36 lines
1.1 KiB
JavaScript
36 lines
1.1 KiB
JavaScript
/* global describe expect it */
|
|
|
|
const { getLines } = require('./get-lines');
|
|
|
|
const content = 'one\ntwo\nthree';
|
|
|
|
describe('dasherize', () => {
|
|
it('returns a string', () => {
|
|
expect(getLines('')).toBe('');
|
|
});
|
|
it("returns '' when the second arg is empty", () => {
|
|
expect(getLines(content)).toBe('');
|
|
});
|
|
it("returns '' when the range is negative", () => {
|
|
expect(getLines(content, [1, -1])).toBe('');
|
|
});
|
|
it("returns '' when the range is [n,n]", () => {
|
|
expect(getLines(content, [0, 0])).toBe('');
|
|
expect(getLines(content, [1, 1])).toBe('');
|
|
expect(getLines(content, [2, 2])).toBe('');
|
|
});
|
|
|
|
it('returns the first line when the range is [0,2]', () => {
|
|
expect(getLines(content, [0, 2])).toBe('one');
|
|
});
|
|
it('returns the second line when the range is [1,3]', () => {
|
|
expect(getLines(content, [1, 3])).toBe('two');
|
|
});
|
|
it('returns the first and second lines when the range is [0,3]', () => {
|
|
expect(getLines(content, [0, 3])).toBe('one\ntwo');
|
|
});
|
|
it('returns the second and third lines when the range is [1,4]', () => {
|
|
expect(getLines(content, [1, 4])).toBe('two\nthree');
|
|
});
|
|
});
|