Updated English guide articles for all QA and Testing with Chai challenges (#35080)
* Updated guide articles for all Quality Assurance and Testing with Chai challenges to include hints and solutions * fix: 2 space indentation and code formattingpull/36364/head
orangegrove1955
Tom
parent
e05e17ce31
commit
27ae86f0ef
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@ -3,8 +3,24 @@ title: Assert Deep Equality with .deepEqual and .notDeepEqual
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---
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## Assert Deep Equality with .deepEqual and .notDeepEqual
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This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/assert-deep-equality-with-.deepequal-and-.notdeepequal/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
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To begin, locate the file "tests/1_unit_tests.js" and scroll to the suite of tests for 'Equality'
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<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
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This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ` /** 7 */` pass.
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<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
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## Hint 1
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Deep equality checks if two objects, and their child objects, are equal to one another using the `==` operator.
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## Hint 2
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The lines in the test should be changed from `assert.fail()` to either `assert.deepEqual()` or `assert.notDeepEqual()`
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## Solution
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```js
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/** 7 - .deepEqual(), .notDeepEqual() **/
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// .deepEqual() asserts that two object are deep equal
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test('#deepEqual, #notDeepEqual', function() {
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assert.deepEqual( { a: '1', b: 5 } , { b: 5, a: '1' }, "keys order doesn't matter" );
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assert.notDeepEqual( { a: [5, 6] }, { a: [6, 5] }, "array elements position does matter !!" );
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});
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```
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@ -3,8 +3,26 @@ title: Compare the Properties of Two Elements
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---
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## Compare the Properties of Two Elements
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This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/compare-the-properties-of-two-elements/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
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To begin, locate the file "tests/1_unit_tests.js" and scroll to the suite of tests for 'Comparisons'.
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<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
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This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ` /** 8 */` pass.
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<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
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## Hint 1
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`isAbove()` compares if the first parameter is greater than the second `(a > b)`
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`isAtMost()` compares if the first parameter is equal to or less than the second `(a <= b)`
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## Hint 2
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The lines in the test should be changed from `assert.fail()` to either `assert.isAbove()` or `assert.isAtMost()`.
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## Solution
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```js
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/** 8 - .isAbove() => a > b , .isAtMost() => a <= b **/
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test('#isAbove, #isAtMost', function() {
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assert.isAtMost('hello'.length , 5);
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assert.isAbove(1, 0);
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assert.isAbove(Math.PI, 3);
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assert.isAtMost(1 - Math.random(), 1);
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});
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```
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@ -3,8 +3,20 @@ title: Learn How JavaScript Assertions Work
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---
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## Learn How JavaScript Assertions Work
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This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/learn-how-javascript-assertions-work/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
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To begin, locate the file "tests/1_unit_tests.js".
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<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
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This file contains multiple suites of tests for the project, and this first challenge requires you to make the tests in ` /** 1 */` to pass.
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<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
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## Hint 1
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The two lines in the test should be changed from `assert.fail()` to either `assert.isNull()` or `assert.isNotNull()`.
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## Solution
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```js
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/** 1 - Use assert.isNull() or assert.isNotNull() to make the tests pass. **/
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test('#isNull, #isNotNull', function() {
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assert.isNull(null, 'this is an optional error description - e.g. null is null');
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assert.isNotNull( 1, '1 is not null');
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});
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```
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@ -3,8 +3,40 @@ title: Run Functional Tests on an API Response using Chai-HTTP III - PUT method
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---
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## Run Functional Tests on an API Response using Chai-HTTP III - PUT method
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This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-an-api-response-using-chai-http-iii---put-method/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
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To begin, open the file "tests/2_functional_tests.js" and locate the test 'send {surname: "Colombo"}'
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<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
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## Hint 1
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<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
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Using the example above, look at the assertions and how they are making comparisons between the expected and actual values of the response
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## Hint 2
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You need to use .send() to attach the payload `{surname: 'Colombo'}` to the request
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## Hint 3
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Replace the `assert.fail()` statement with your own tests checking for status, type, body.name, and body.surname in that order. Remember, all of these values are contained in the response (`res`), and you should expect the response to be of type `'application/json'`.
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## Solution
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```js
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test('send {surname: "Colombo"}', function(done){
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// we setup the request for you...
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chai.request(server)
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.put('/travellers')
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/** send {surname: 'Colombo'} here **/
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.send({surname: 'Colombo'})
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// .send({...})
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.end(function(err, res){
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/** your tests here **/
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assert.equal(res.status, 200, 'response status should be 200');
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assert.equal(res.type, 'application/json', "Response should be json");
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assert.equal(res.body.name, 'Cristoforo', 'res.body.name should be "Christoforo"');
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assert.equal(res.body.surname, 'Colombo', 'res.body.surname should be "Colombo"');
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done(); // Never forget the 'done()' callback...
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});
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});
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```
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@ -3,8 +3,49 @@ title: Run Functional Tests on an API Response using Chai-HTTP IV - PUT method
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---
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## Run Functional Tests on an API Response using Chai-HTTP IV - PUT method
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This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-an-api-response-using-chai-http-iv---put-method/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
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To begin, open the file "tests/2_functional_tests.js" and locate the test 'send {surname: "da Verrazzano"}'.
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<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
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## Hint 1
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<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
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Using the example above, look how the request is being sent, and how the assertions are making comparisons between the expected and actual values of the response.
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## Hint 2
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Make sure you are placing a request through `chai.request(server)`.
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## Hint 3
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You need to use make a .put() request to `/travellers` and use .send() to attach the payload `{surname: 'da Verrazzano'}` to the request.
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## Hint 4
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Replace the assert.fail() statement with your own tests checking for status, type, body.name, and body.surname in that order. Remember, all of these values are contained in the response `(res`), and you should expect the response to be of type `'application/json'`.
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## Hint 5
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Check the tests on the challenge page to determine the expected values for `body.name` and `body.surname`.
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## Hint 6
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Ensure your call to `done()` is inside your callback function for the tests.
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## Solution
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```js
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test('send {surname: "da Verrazzano"}', function(done) {
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/** place the chai-http request code here... **/
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chai.request(server)
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.put('/travellers')
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.send({surname: 'da Verrazzano'})
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/** place your tests inside the callback **/
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.end(function(err, res){
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assert.equal(res.status, 200, 'response status should be 200');
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assert.equal(res.type, 'application/json', "Response should be json");
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assert.equal(res.body.name, 'Giovanni');
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assert.equal(res.body.surname, 'da Verrazzano');
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done();
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});
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});
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```
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@ -3,8 +3,34 @@ title: Run Functional Tests on API Endpoints using Chai-HTTP II
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---
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## Run Functional Tests on API Endpoints using Chai-HTTP II
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This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-api-endpoints-using-chai-http-ii/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
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To begin, open the file "tests/2_functional_tests.js" and locate 'Test GET /hello with your name'.
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<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
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## Hint 1
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<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
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Using the example above, look at the assertions and how they are making comparisons between the expected and actual values of the response.
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## Hint 2
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Make sure you have entered your own name (or whichever name you are inputting) into both the query (line 67)and the assertion for `res.text` (line 74) in order for the test to pass.
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## Hint 3
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The lines in the test should be changed from `assert.fail()` to an assertion that checks if the two values are equal.
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## Solution
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```js
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test('Test GET /hello with your name', function(done){ // Don't forget the callback...
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chai.request(server) // 'server' is the Express App
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.get('/hello?name=John') /** <=== Put your name in the query **/
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.end(function(err, res){ // res is the response object
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// Your tests here.
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// Replace assert.fail(). Make the test pass.
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// Test the status and the text response. Follow the test order like above.
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assert.equal(res.status, 200);
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assert.equal(res.text, 'hello John'/** <== Put your name here **/);
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done(); // Always call the 'done()' callback when finished.
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});
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});
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```
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@ -3,8 +3,30 @@ title: Run Functional Tests on API Endpoints using Chai-HTTP
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---
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## Run Functional Tests on API Endpoints using Chai-HTTP
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This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-api-endpoints-using-chai-http/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
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To begin, open the file "tests/2_functional_tests.js" and locate 'Test GET /hello with no name'.
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<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
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## Hint 1
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<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
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Using the example above, look at the assertions and how they are making comparisons between the expected and actual values of the response.
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## Hint 2
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The lines in the test should be changed from `assert.fail()` to an assertion that checks if the two values are equal.
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## Solution
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```js
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test('Test GET /hello with no name', function(done){ // Don't forget the callback...
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chai.request(server) // 'server' is the Express App
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.get('/hello') // http_method(url). NO NAME in the query !
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.end(function(err, res){ // res is the response object
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// Test the status and the text response (see the example above).
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// Please follow the order -status, -text. We rely on that in our tests.
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// It should respond 'Hello Guest'
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assert.equal(res.status, 200);
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assert.equal(res.text, 'hello Guest');
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done(); // Always call the 'done()' callback when finished.
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});
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});
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```
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@ -3,8 +3,55 @@ title: Run Functional Tests using a Headless Browser II
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---
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## Run Functional Tests using a Headless Browser II
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This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-using-a-headless-browser-ii/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
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To begin, open the file "tests/2_functional_tests.js" and locate the browser based tests.
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<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
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Change the Browser.site link to the current URL of your project if you are completing this challenge online. If you are using a local development environment, replace the line with ```Browser.localhost('example.com', (process.env.PORT || 3000));```.
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<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
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Find test 'submit "surname" : "Vespucci" - write your e2e test...' and check the challenge page for the expected values in order to pass this challenge.
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## Hint 1
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Using the example above, look at how the form is being submitted, and how the assertions are making comparisons between the expected and actual values of the response.
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## Hint 2
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Fill the broswer with a surname of Vespucci, then use pressButton to submit.
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## Hint 3
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In the callback for pressButton, all assertions should be browser.assert in order to correctly pass.
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## Hint 4
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Replace the `assert.fail()` statement with your own tests based on the instructions in the comments. Check the example above for syntax if you get stuck.
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## Hint 4
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Check the tests on the challenge page or the instructions in the comments for expected values.
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## Hint 5
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Make sure your `done()` call is within the pressButton callback.
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## Solution
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```js
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test('submit "surname" : "Vespucci" - write your e2e test...', function(done) {
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// fill the form, and submit.
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browser
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.fill('surname', 'Vespucci')
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.pressButton('submit', function(){
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// assert that status is OK 200
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browser.assert.success();
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// assert that the text inside the element 'span#name' is 'Amerigo'
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browser.assert.text('span#name', 'Amerigo');
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// assert that the text inside the element 'span#surname' is 'Vespucci'
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browser.assert.text('span#surname', 'Vespucci');
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// assert that the element(s) 'span#dates' exist and their count is 1
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browser.assert.element('span#dates', 1);
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done();
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});
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});
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```
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@ -3,8 +3,59 @@ title: Run Functional Tests using a Headless Browser
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---
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## Run Functional Tests using a Headless Browser
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This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-using-a-headless-browser/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
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To begin, open the file "tests/2_functional_tests.js" and locate the browser based tests.
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<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
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Change the Browser.site link to the current URL of your project if you are completing this challenge online. If you are using a local development environment, replace the line with ```Browser.localhost('example.com', (process.env.PORT || 3000));```.
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<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
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Find test 'submit "surname" : "Colombo" - write your e2e test...' and read the instructions to determine how to pass this challenge.
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## Hint 1
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Using the example above, look at how the assertions are making comparisons between the expected and actual values of the response.
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## Hint 2
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All assertions should be browser.assert in order to correctly pass.
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## Hint 3
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Replace the `assert.fail()` statement with your own tests based on the instructions in the comments. Check the example above for syntax if you get stuck.
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## Hint 4
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Check the tests on the challenge page for expected values.
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## Solution
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```js
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test('submit "surname" : "Colombo" - write your e2e test...', function(done) {
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// fill the form...
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// then submit it pressing 'submit' button.
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//
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// in the callback...
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// assert that status is OK 200
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// assert that the text inside the element 'span#name' is 'Cristoforo'
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// assert that the text inside the element 'span#surname' is 'Colombo'
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// assert that the element(s) 'span#dates' exist and their count is 1
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browser
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.fill('surname', 'Colombo')
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.pressButton('submit', function(){
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/** YOUR TESTS HERE, Don't forget to remove assert.fail() **/
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// pressButton is Async. Waits for the ajax call to complete...
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// assert that status is OK 200
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browser.assert.success();
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// assert that the text inside the element 'span#name' is 'Cristoforo'
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browser.assert.text('span#name', 'Cristoforo');
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// assert that the text inside the element 'span#surname' is 'Colombo'
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browser.assert.text('span#surname', 'Colombo');
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// assert that the element(s) 'span#dates' exist and their count is 1
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browser.assert.element('span#dates', 1);
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done(); // It's an async test, so we have to call 'done()''
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});
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});
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```
|
||||
|
|
@ -3,8 +3,22 @@ title: Test for Truthiness
|
|||
---
|
||||
## Test for Truthiness
|
||||
|
||||
This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-for-truthiness/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
|
||||
To begin, locate the file "tests/1_unit_tests.js".
|
||||
|
||||
<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
|
||||
This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ``` /** 4 */``` pass.
|
||||
|
||||
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
|
||||
## Hint 1
|
||||
|
||||
The lines in the test should be changed from `assert.fail()` to either `assert.isTrue()` or `assert.isNotTrue()`.
|
||||
|
||||
## Solution
|
||||
```js
|
||||
/** 4 - Use assert.isTrue() or assert.isNotTrue() to make the tests pass. **/
|
||||
// .isTrue(true) and .isNotTrue(everything else) will pass.
|
||||
// .isFalse() and .isNotFalse() also exist.
|
||||
test('#isTrue, #isNotTrue', function(){
|
||||
assert.isTrue( true, 'true is true');
|
||||
assert.isTrue( !!'double negation', 'double negation of a truthy is true');
|
||||
assert.isNotTrue({ value: 'truthy' }, 'A truthy object is NOT TRUE (neither is false...)' );
|
||||
});
|
||||
```
|
||||
|
|
@ -3,8 +3,28 @@ title: Test if a String Contains a Substring
|
|||
---
|
||||
## Test if a String Contains a Substring
|
||||
|
||||
This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-string-contains-a-substring/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
|
||||
To begin, locate the file "tests/1_unit_tests.js" and scroll to the suite of tests for 'Strings'.
|
||||
|
||||
<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
|
||||
This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ``` /** 14 */``` pass.
|
||||
|
||||
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
|
||||
## Hint 1
|
||||
|
||||
Check the responses of the error messages if your tests fail, and make sure you understand the values of the parameters being checked by the assertion.
|
||||
|
||||
## Hint 2
|
||||
|
||||
The lines in the test should be changed from `assert.fail()` to either `assert.include()` or `assert.notInclude()`.
|
||||
|
||||
## Hint 3
|
||||
|
||||
`assert.include()` and `assert.notInclude()` parameters take the form (haystack, needle, message) where the needle is what you are searching for in the haystack. The message provides feedback where there is an error.
|
||||
|
||||
## Solution
|
||||
|
||||
```js
|
||||
/** 14 - #include (on #notInclude ) works for strings too !! **/
|
||||
// It asserts that the actual string contains the expected substring
|
||||
test('String #include, #notInclude', function() {
|
||||
assert.include('Arrow', 'row', "Arrow contains row...");
|
||||
assert.notInclude('dart', 'queue', "But a dart doesn't contain a queue");
|
||||
});
|
||||
|
|
@ -3,8 +3,27 @@ title: Test if a Value Falls within a Specific Range
|
|||
---
|
||||
## Test if a Value Falls within a Specific Range
|
||||
|
||||
This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-falls-within-a-specific-range/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
|
||||
To begin, locate the file "tests/1_unit_tests.js" and scroll to the suite of tests for 'Comparisons'.
|
||||
|
||||
<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
|
||||
This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ``` /** 10 */``` pass.
|
||||
|
||||
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
|
||||
## Hint 1
|
||||
|
||||
`approximately()` requires a range to make the tests pass. The expected value for both tests is currently 1, so you need to find a range that allows for all values to be accounted for.
|
||||
|
||||
## Hint 2
|
||||
|
||||
Check the error outputs, and try to understand what the +/- values in the errors mean with respect to a possible range of values.
|
||||
|
||||
## Solution
|
||||
```js
|
||||
/** 10 - .approximately **/
|
||||
// .approximately(actual, expected, range, [message])
|
||||
// actual = expected +/- range
|
||||
// Choose the minimum range (3rd parameter) to make the test always pass
|
||||
// it should be less than 1
|
||||
test('#approximately', function() {
|
||||
assert.approximately(weirdNumbers(0.5) , 1, /*edit this*/ 0.5 );
|
||||
assert.approximately(weirdNumbers(0.2) , 1, /*edit this*/ 0.8 );
|
||||
});
|
||||
```
|
||||
|
|
@ -3,8 +3,25 @@ title: Test if a Value is a String
|
|||
---
|
||||
## Test if a Value is a String
|
||||
|
||||
This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-a-string/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
|
||||
To begin, locate the file "tests/1_unit_tests.js" and scroll to the suite of tests for 'Strings'.
|
||||
|
||||
<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
|
||||
This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ``` /** 13 */``` pass.
|
||||
|
||||
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
|
||||
## Hint 1
|
||||
|
||||
Check the responses of the error messages if your tests fail, and make sure you understand the types of the parameters being checked by the assertion.
|
||||
|
||||
## Hint 2
|
||||
|
||||
The lines in the test should be changed from `assert.fail()` to either `assert.isString()` or `assert.isNotString()`.
|
||||
|
||||
## Solution
|
||||
|
||||
```js
|
||||
/** 13 - #isString asserts that the actual value is a string. **/
|
||||
test('#isString, #isNotString', function() {
|
||||
assert.isNotString(Math.sin(Math.PI/4), 'a float is not a string');
|
||||
assert.isString(process.env.PATH, 'env vars are strings (or undefined)');
|
||||
assert.isString(JSON.stringify({type: 'object'}), 'a JSON is a string');
|
||||
});
|
||||
```
|
||||
|
|
@ -3,8 +3,20 @@ title: Test if a Value is an Array
|
|||
---
|
||||
## Test if a Value is an Array
|
||||
|
||||
This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-an-array/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
|
||||
To begin, locate the file "tests/1_unit_tests.js" and scroll to the suite of tests for 'Arrays'.
|
||||
|
||||
<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
|
||||
This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ``` /** 11 */``` pass.
|
||||
|
||||
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
|
||||
## Hint 1
|
||||
|
||||
The lines in the test should be changed from `assert.fail()` to either `assert.isArray()` or `assert.isNotArray()`.
|
||||
|
||||
## Solution
|
||||
|
||||
```js
|
||||
/** 11 - #isArray vs #isNotArray **/
|
||||
test('#isArray, #isNotArray', function() {
|
||||
assert.isArray('isThisAnArray?'.split(''), 'String.prototype.split() returns an Array');
|
||||
assert.isNotArray([1,2,3].indexOf(2), 'indexOf returns a number.');
|
||||
});
|
||||
```
|
||||
|
|
@ -3,8 +3,33 @@ title: Test if a Value is of a Specific Data Structure Type
|
|||
---
|
||||
## Test if a Value is of a Specific Data Structure Type
|
||||
|
||||
This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-of-a-specific-data-structure-type/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
|
||||
To begin, locate the file "tests/1_unit_tests.js" and scroll to the suite of tests for 'Objects'.
|
||||
|
||||
<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
|
||||
This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ``` /** 17 */``` pass.
|
||||
|
||||
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
|
||||
## Hint 1
|
||||
|
||||
The challenge uses objects defined above the tests. Look closely at both, and determine whether the object or its properties will have the type being compared against in the assertion.
|
||||
|
||||
## Hint 2
|
||||
|
||||
Check the error messages to determine if your understanding of the object or property's type was correct.
|
||||
|
||||
## Hint 3
|
||||
|
||||
The lines in the test should be changed from `assert.fail()` to either `assert.typeOf()` or `assert.notTypeOf()`.
|
||||
|
||||
## Solution
|
||||
|
||||
```js
|
||||
test('#typeof, #notTypeOf', function() {
|
||||
/** 17 #typeOf asserts that value’s type is the given string, **/
|
||||
// as determined by Object.prototype.toString.
|
||||
// Use #typeOf or #notTypeOf where appropriate
|
||||
assert.typeOf(myCar, 'object');
|
||||
assert.typeOf(myCar.model, 'string');
|
||||
assert.notTypeOf(airlinePlane.wings, 'string');
|
||||
assert.typeOf(airlinePlane.engines, 'array');
|
||||
assert.typeOf(myCar.wheels, 'number');
|
||||
});
|
||||
```
|
||||
|
|
@ -3,8 +3,20 @@ title: Test if a Variable or Function is Defined
|
|||
---
|
||||
## Test if a Variable or Function is Defined
|
||||
|
||||
This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-variable-or-function-is-defined/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
|
||||
To begin, locate the file "tests/1_unit_tests.js".
|
||||
|
||||
<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
|
||||
This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ``` /** 2 */``` pass.
|
||||
|
||||
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
|
||||
## Hint 1
|
||||
|
||||
The lines in the test should be changed from `assert.fail()` to either `assert.isDefined()` or `assert.isUndefined()`.
|
||||
|
||||
## Solution
|
||||
```js
|
||||
/** 2 - Use assert.isDefined() or assert.isUndefined() to make the tests pass. **/
|
||||
test('#isDefined, #isUndefined', function(){
|
||||
assert.isDefined( null, 'null is not undefined');
|
||||
assert.isUndefined( undefined, 'undefined IS undefined');
|
||||
assert.isDefined( 'hello', 'a string is not undefined' );
|
||||
});
|
||||
```
|
||||
|
|
@ -3,8 +3,28 @@ title: Test if an Array Contains an Item
|
|||
---
|
||||
## Test if an Array Contains an Item
|
||||
|
||||
This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-array-contains-an-item/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
|
||||
To begin, locate the file "tests/1_unit_tests.js" and scroll to the suite of tests for 'Arrays'.
|
||||
|
||||
<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
|
||||
This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ``` /** 12 */``` pass.
|
||||
|
||||
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
|
||||
## Hint 1
|
||||
|
||||
The assertions are checking against variables defined before the 'Arrays' suite of tests, check carefully whether the array includes the value being asserted.
|
||||
|
||||
## Hint 2
|
||||
|
||||
The lines in the test should be changed from `assert.fail()` to either `assert.include()` or `assert.notInclude()`.
|
||||
|
||||
## Hint 3
|
||||
|
||||
`assert.include()` and `assert.notInclude()` parameters take the form (haystack, needle, message) where the needle is what you are searching for in the haystack. The message provides feedback where there is an error.
|
||||
|
||||
## Solution
|
||||
|
||||
```js
|
||||
/** 12 - #include vs #notInclude **/
|
||||
test('Array #include, #notInclude', function() {
|
||||
assert.notInclude(winterMonths, 'jul', "It's summer in july...");
|
||||
assert.include(backendLanguages, 'javascript', 'JS is a backend language !!');
|
||||
});
|
||||
```
|
||||
|
|
@ -3,8 +3,30 @@ title: Test if an Object has a Property
|
|||
---
|
||||
## Test if an Object has a Property
|
||||
|
||||
This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-object-has-a-property/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
|
||||
To begin, locate the file "tests/1_unit_tests.js" and scroll to the suite of tests for 'Objects'.
|
||||
|
||||
<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
|
||||
This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ``` /** 16 */``` pass.
|
||||
|
||||
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
|
||||
## Hint 1
|
||||
|
||||
The challenge uses objects defined above the tests. Look closely at both, and determine whether the object will have a property or not.
|
||||
|
||||
## Hint 2
|
||||
|
||||
Check the error messages to determine if your understanding of the object's properties was correct.
|
||||
|
||||
## Hint 3
|
||||
|
||||
The lines in the test should be changed from `assert.fail()` to either `assert.property()` or `assert.notProperty()`.
|
||||
|
||||
## Solution
|
||||
|
||||
```js
|
||||
/** 16 - #property asserts that the actual object has a given property. **/
|
||||
// Use #property or #notProperty where appropriate
|
||||
test('#property, #notProperty', function() {
|
||||
assert.notProperty(myCar, 'wings', 'A car has not wings');
|
||||
assert.property(airlinePlane, 'engines', 'planes have engines');
|
||||
assert.property(myCar, 'wheels', 'Cars have wheels');
|
||||
});
|
||||
```
|
||||
|
|
@ -3,8 +3,32 @@ title: Test if an Object is an Instance of a Constructor
|
|||
---
|
||||
## Test if an Object is an Instance of a Constructor
|
||||
|
||||
This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-object-is-an-instance-of-a-constructor/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
|
||||
To begin, locate the file "tests/1_unit_tests.js" and scroll to the suite of tests for 'Objects'.
|
||||
|
||||
<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
|
||||
This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ``` /** 18 */``` pass.
|
||||
|
||||
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
|
||||
## Hint 1
|
||||
|
||||
The challenge uses objects defined above the tests. Look closely at both, and determine whether the object is an instance of the type being compared against in the assertion.
|
||||
|
||||
## Hint 2
|
||||
|
||||
Check the error messages to determine if your understanding of the object's instance was correct.
|
||||
|
||||
## Hint 3
|
||||
|
||||
The lines in the test should be changed from `assert.fail()` to either `assert.instanceOf()` or `assert.notInstanceOf()`.
|
||||
|
||||
## Solution
|
||||
|
||||
```js
|
||||
test('#instanceOf, #notInstanceOf', function() {
|
||||
|
||||
/** 18 #instanceOf asserts that an object is an instance of a constructor **/
|
||||
// Use #instanceOf or #notInstanceOf where appropriate
|
||||
assert.notInstanceOf(myCar, Plane);
|
||||
assert.instanceOf(airlinePlane, Plane);
|
||||
assert.instanceOf(airlinePlane, Object, 'everything is an Object');
|
||||
assert.notInstanceOf(myCar.wheels, String );
|
||||
});
|
||||
```
|
||||
|
|
@ -3,8 +3,26 @@ title: Test if One Value is Below or At Least as Large as Another
|
|||
---
|
||||
## Test if One Value is Below or At Least as Large as Another
|
||||
|
||||
This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-one-value-is-below-or-at-least-as-large-as-another/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
|
||||
To begin, locate the file "tests/1_unit_tests.js" and scroll to the suite of tests for 'Comparisons'.
|
||||
|
||||
<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
|
||||
This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ``` /** 9 */``` pass.
|
||||
|
||||
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
|
||||
## Hint 1
|
||||
|
||||
`isBelow()` compares if the first parameter is less than the second ```(a < b)```.
|
||||
`isAtLeast()` compares if the first parameter is equal to or less than the second ```(a >= b)```.
|
||||
|
||||
## Hint 2
|
||||
|
||||
The lines in the test should be changed from `assert.fail()` to either `assert.isBelow()` or `assert.isAtLeast()`.
|
||||
|
||||
## Solution
|
||||
```js
|
||||
/** 9 - .isBelow() => a < b , .isAtLeast => a >= b **/
|
||||
test('#isBelow, #isAtLeast', function() {
|
||||
assert.isAtLeast('world'.length , 5);
|
||||
assert.isAtLeast(2*Math.random(), 0);
|
||||
assert.isBelow(5 % 2, 2);
|
||||
assert.isBelow(2/3, 1);
|
||||
});
|
||||
```
|
||||
|
|
@ -3,8 +3,21 @@ title: Use Assert.isOK and Assert.isNotOK
|
|||
---
|
||||
## Use Assert.isOK and Assert.isNotOK
|
||||
|
||||
This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/use-assert.isok-and-assert.isnotok/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
|
||||
To begin, locate the file "tests/1_unit_tests.js".
|
||||
|
||||
<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
|
||||
This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ``` /** 3 */``` pass.
|
||||
|
||||
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
|
||||
## Hint 1
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The lines in the test should be changed from `assert.fail()` to either `assert.isOk()` or `assert.isNotOk()`.
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## Solution
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```js
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/** 3 - Use assert.isOk() or assert.isNotOk() to make the tests pass. **/
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// .isOk(truthy) and .isNotOk(falsey) will pass
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test('#isOk, #isNotOk', function(){
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assert.isNotOk( null, 'null is falsey');
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assert.isOk( "I'm truthy", 'a string is truthy');
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assert.isOk( true, 'true is truthy' );
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});
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```
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|
|
@ -3,8 +3,30 @@ title: Use Regular Expressions to Test a String
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|||
---
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||||
## Use Regular Expressions to Test a String
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|
||||
This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/use-regular-expressions-to-test-a-string/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
|
||||
To begin, locate the file "tests/1_unit_tests.js" and scroll to the suite of tests for 'Strings'.
|
||||
|
||||
<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
|
||||
This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ``` /** 15 */``` pass.
|
||||
|
||||
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
|
||||
## Hint 1
|
||||
|
||||
The challenge uses function `formatPeople()` to produce a string, and then compares this to a regex. Look closely at both, and determine whether the regex will match the returned string or not.
|
||||
|
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## Hint 2
|
||||
|
||||
Check the error messages to determine if your understanding of the regex match was correct.
|
||||
|
||||
## Hint 3
|
||||
|
||||
The lines in the test should be changed from `assert.fail()` to either `assert.match()` or `assert.notMatch()` based on the regex from the line above.
|
||||
|
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## Solution
|
||||
|
||||
```js
|
||||
/** 15 - #match Asserts that th actual value **/
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||||
// matches the second argument regular expression.
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test('#match, #notMatch', function() {
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||||
var regex = /^#\sname\:\s[\w\s]+,\sage\:\s\d+\s?$/;
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||||
assert.match(formatPeople('John Doe', 35), regex);
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||||
assert.notMatch(formatPeople('Paul Smith III', 'twenty-four'), regex);
|
||||
});
|
||||
```
|
||||
|
|
@ -3,8 +3,22 @@ title: Use the Double Equals to Assert Equality
|
|||
---
|
||||
## Use the Double Equals to Assert Equality
|
||||
|
||||
This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/use-the-double-equals-to-assert-equality/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
|
||||
To begin, locate the file "tests/1_unit_tests.js" and scroll to the suite of tests for 'Equality'.
|
||||
|
||||
<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
|
||||
This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ``` /** 5 */``` pass.
|
||||
|
||||
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
|
||||
## Hint 1
|
||||
|
||||
The lines in the test should be changed from `assert.fail()` to either `assert.equal()` or `assert.notEqual()`.
|
||||
|
||||
## Solution
|
||||
```js
|
||||
/** 5 - .equal(), .notEqual() **/
|
||||
// .equal() compares objects using '=='
|
||||
test('#equal, #notEqual', function(){
|
||||
assert.equal( 12, '12', 'numbers are coerced into strings with == ');
|
||||
assert.notEqual( {value: 1}, {value:1}, '== compares object references');
|
||||
assert.equal( 6 * '2', '12', 'no more hints...');
|
||||
assert.notEqual( 6 + '2', '12', 'type your error message if you want' );
|
||||
});
|
||||
```
|
||||
|
|
@ -3,8 +3,22 @@ title: Use the Triple Equals to Assert Strict Equality
|
|||
---
|
||||
## Use the Triple Equals to Assert Strict Equality
|
||||
|
||||
This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/use-the-triple-equals-to-assert-strict-equality/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
|
||||
To begin, locate the file "tests/1_unit_tests.js" and scroll to the suite of tests for 'Equality'.
|
||||
|
||||
<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
|
||||
This file contains multiple suites of tests for the project, and this challenge requires you to make the tests in ``` /** 6 */``` pass.
|
||||
|
||||
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
|
||||
## Hint 1
|
||||
|
||||
The lines in the test should be changed from `assert.fail()` to either `assert.strictEqual()` or `assert.notStrictEqual()`.
|
||||
|
||||
## Solution
|
||||
```js
|
||||
/** 6 - .strictEqual(), .notStrictEqual() **/
|
||||
// .strictEqual() compares objects using '==='
|
||||
test('#strictEqual, #notStrictEqual', function(){
|
||||
assert.notStrictEqual( 6, '6' );
|
||||
assert.strictEqual( 6, 3*2 );
|
||||
assert.strictEqual( 6 * '2', 12 );
|
||||
assert.notStrictEqual( [1, 'a', {} ], [1, 'a', {}] );
|
||||
});
|
||||
```
|
||||
Loading…
Reference in New Issue