debian-mirror-gitlab/spec/frontend/lib/utils/text_utility_spec.js
2020-08-09 17:44:08 +05:30

307 lines
11 KiB
JavaScript

import * as textUtils from '~/lib/utils/text_utility';
describe('text_utility', () => {
describe('addDelimiter', () => {
it('should add a delimiter to the given string', () => {
expect(textUtils.addDelimiter('1234')).toEqual('1,234');
expect(textUtils.addDelimiter('222222')).toEqual('222,222');
});
it('should not add a delimiter if string contains no numbers', () => {
expect(textUtils.addDelimiter('aaaa')).toEqual('aaaa');
});
});
describe('highCountTrim', () => {
it('returns 99+ for count >= 100', () => {
expect(textUtils.highCountTrim(105)).toBe('99+');
expect(textUtils.highCountTrim(100)).toBe('99+');
});
it('returns exact number for count < 100', () => {
expect(textUtils.highCountTrim(45)).toBe(45);
});
});
describe('humanize', () => {
it('should remove underscores and uppercase the first letter', () => {
expect(textUtils.humanize('foo_bar')).toEqual('Foo bar');
});
it('should remove underscores and dashes and uppercase the first letter', () => {
expect(textUtils.humanize('foo_bar-foo', '[_-]')).toEqual('Foo bar foo');
});
});
describe('dasherize', () => {
it('should replace underscores with dashes', () => {
expect(textUtils.dasherize('foo_bar_foo')).toEqual('foo-bar-foo');
});
});
describe('capitalizeFirstCharacter', () => {
it('returns string with first letter capitalized', () => {
expect(textUtils.capitalizeFirstCharacter('gitlab')).toEqual('Gitlab');
});
});
describe('slugify', () => {
it('should remove accents and convert to lower case', () => {
expect(textUtils.slugify('João')).toEqual('jo-o');
});
it('should replaces whitespaces with hyphens and convert to lower case', () => {
expect(textUtils.slugify('My Input String')).toEqual('my-input-string');
});
it('should remove trailing whitespace and replace whitespaces within string with a hyphen', () => {
expect(textUtils.slugify(' a new project ')).toEqual('a-new-project');
});
it('should only remove non-allowed special characters', () => {
expect(textUtils.slugify('test!_pro-ject~')).toEqual('test-_pro-ject');
});
it('should squash multiple hypens', () => {
expect(textUtils.slugify('test!!!!_pro-ject~')).toEqual('test-_pro-ject');
});
it('should return empty string if only non-allowed characters', () => {
expect(textUtils.slugify('здрасти')).toEqual('');
});
it('should squash multiple separators', () => {
expect(textUtils.slugify('Test:-)')).toEqual('test');
});
it('should trim any separators from the beginning and end of the slug', () => {
expect(textUtils.slugify('-Test:-)-')).toEqual('test');
});
});
describe('stripHtml', () => {
it('replaces html tag with the default replacement', () => {
expect(textUtils.stripHtml('This is a text with <p>html</p>.')).toEqual(
'This is a text with html.',
);
});
it('replaces html tags with the provided replacement', () => {
expect(textUtils.stripHtml('This is a text with <p>html</p>.', ' ')).toEqual(
'This is a text with html .',
);
});
it('passes through with null string input', () => {
expect(textUtils.stripHtml(null, ' ')).toEqual(null);
});
it('passes through with undefined string input', () => {
expect(textUtils.stripHtml(undefined, ' ')).toEqual(undefined);
});
});
describe('convertToCamelCase', () => {
it.each`
txt | result
${'a_snake_cased_string'} | ${'aSnakeCasedString'}
${'_leading_underscore'} | ${'_leadingUnderscore'}
${'__leading_underscores'} | ${'__leadingUnderscores'}
${'trailing_underscore_'} | ${'trailingUnderscore_'}
${'trailing_underscores__'} | ${'trailingUnderscores__'}
`('converts string "$txt" to "$result"', ({ txt, result }) => {
expect(textUtils.convertToCamelCase(txt)).toBe(result);
});
it.each`
txt
${'__withoutMiddleUnderscores__'}
${''}
${'with spaces'}
${'with\nnew\r\nlines'}
${'_'}
${'___'}
`('does not modify string "$txt"', ({ txt }) => {
expect(textUtils.convertToCamelCase(txt)).toBe(txt);
});
});
describe('convertToSnakeCase', () => {
it.each`
txt | result
${'snakeCase'} | ${'snake_case'}
${'snake Case'} | ${'snake_case'}
${'snake case'} | ${'snake_case'}
${'snake_case'} | ${'snake_case'}
${'snakeCasesnake Case'} | ${'snake_casesnake_case'}
${'123'} | ${'123'}
${'123 456'} | ${'123_456'}
`('converts string $txt to $result string', ({ txt, result }) => {
expect(textUtils.convertToSnakeCase(txt)).toEqual(result);
});
});
describe('convertToSentenceCase', () => {
it('converts Sentence Case to Sentence case', () => {
expect(textUtils.convertToSentenceCase('Hello World')).toBe('Hello world');
});
});
describe('convertToTitleCase', () => {
it('converts sentence case to Sentence Case', () => {
expect(textUtils.convertToTitleCase('hello world')).toBe('Hello World');
});
});
describe('truncate', () => {
it('returns the original string when str length is less than maxLength', () => {
const str = 'less than 20 chars';
expect(textUtils.truncate(str, 20)).toEqual(str);
});
it('returns truncated string when str length is more than maxLength', () => {
const str = 'more than 10 chars';
expect(textUtils.truncate(str, 10)).toEqual(`${str.substring(0, 10 - 1)}`);
});
it('returns the original string when rendered width is exactly equal to maxWidth', () => {
const str = 'Exactly 16 chars';
expect(textUtils.truncate(str, 16)).toEqual(str);
});
});
describe('truncateWidth', () => {
const clientWidthDescriptor = Object.getOwnPropertyDescriptor(Element.prototype, 'clientWidth');
beforeAll(() => {
// Mock measured width of ' ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
Object.defineProperty(Element.prototype, 'clientWidth', {
value: 431,
writable: false,
});
});
afterAll(() => {
Object.defineProperty(Element.prototype, 'clientWidth', clientWidthDescriptor);
});
it('returns the original string when rendered width is less than maxWidth', () => {
const str = '< 80px';
expect(textUtils.truncateWidth(str)).toEqual(str);
});
it('returns truncated string when rendered width is more than maxWidth', () => {
const str = 'This is wider than 80px';
expect(textUtils.truncateWidth(str)).toEqual(`${str.substring(0, 10)}`);
});
it('returns the original string when rendered width is exactly equal to maxWidth', () => {
const str = 'Exactly 159.62962962962965px';
expect(textUtils.truncateWidth(str, { maxWidth: 159.62962962962965, fontSize: 10 })).toEqual(
str,
);
});
});
describe('truncateSha', () => {
it('shortens SHAs to 8 characters', () => {
expect(textUtils.truncateSha('verylongsha')).toBe('verylong');
});
it('leaves short SHAs as is', () => {
expect(textUtils.truncateSha('shortsha')).toBe('shortsha');
});
});
describe('splitCamelCase', () => {
it('separates a PascalCase word to two', () => {
expect(textUtils.splitCamelCase('HelloWorld')).toBe('Hello World');
});
});
describe('getFirstCharacterCapitalized', () => {
it('returns the first character capitalized, if first character is alphabetic', () => {
expect(textUtils.getFirstCharacterCapitalized('loremIpsumDolar')).toEqual('L');
expect(textUtils.getFirstCharacterCapitalized('Sit amit !')).toEqual('S');
});
it('returns the first character, if first character is non-alphabetic', () => {
expect(textUtils.getFirstCharacterCapitalized(' lorem')).toEqual(' ');
expect(textUtils.getFirstCharacterCapitalized('%#!')).toEqual('%');
});
it('returns an empty string, if string is falsey', () => {
expect(textUtils.getFirstCharacterCapitalized('')).toEqual('');
expect(textUtils.getFirstCharacterCapitalized(null)).toEqual('');
});
});
describe('truncatePathMiddleToLength', () => {
it('does not truncate text', () => {
expect(textUtils.truncatePathMiddleToLength('app/test', 50)).toEqual('app/test');
});
it('truncates middle of the path', () => {
expect(textUtils.truncatePathMiddleToLength('app/test/diff', 13)).toEqual('app/…/diff');
});
it('truncates multiple times in the middle of the path', () => {
expect(textUtils.truncatePathMiddleToLength('app/test/merge_request/diff', 13)).toEqual(
'app/…/…/diff',
);
});
describe('given a path too long for the maxWidth', () => {
it.each`
path | maxWidth | result
${'aa/bb/cc'} | ${1} | ${'…'}
${'aa/bb/cc'} | ${2} | ${'…'}
${'aa/bb/cc'} | ${3} | ${'…/…'}
${'aa/bb/cc'} | ${4} | ${'…/…'}
${'aa/bb/cc'} | ${5} | ${'…/…/…'}
`('truncates ($path, $maxWidth) to $result', ({ path, maxWidth, result }) => {
expect(result.length).toBeLessThanOrEqual(maxWidth);
expect(textUtils.truncatePathMiddleToLength(path, maxWidth)).toEqual(result);
});
});
});
describe('slugifyWithUnderscore', () => {
it('should replaces whitespaces with underscore and convert to lower case', () => {
expect(textUtils.slugifyWithUnderscore('My Input String')).toEqual('my_input_string');
});
});
describe('truncateNamespace', () => {
it(`should return the root namespace if the namespace only includes one level`, () => {
expect(textUtils.truncateNamespace('a / b')).toBe('a');
});
it(`should return the first 2 namespaces if the namespace includes exactly 2 levels`, () => {
expect(textUtils.truncateNamespace('a / b / c')).toBe('a / b');
});
it(`should return the first and last namespaces, separated by "...", if the namespace includes more than 2 levels`, () => {
expect(textUtils.truncateNamespace('a / b / c / d')).toBe('a / ... / c');
expect(textUtils.truncateNamespace('a / b / c / d / e / f / g / h / i')).toBe('a / ... / h');
});
it(`should return an empty string for invalid inputs`, () => {
[undefined, null, 4, {}, true, new Date()].forEach(input => {
expect(textUtils.truncateNamespace(input)).toBe('');
});
});
it(`should not alter strings that aren't formatted as namespaces`, () => {
['', ' ', '\t', 'a', 'a \\ b'].forEach(input => {
expect(textUtils.truncateNamespace(input)).toBe(input);
});
});
});
describe('hasContent', () => {
it.each`
txt | result
${null} | ${false}
${undefined} | ${false}
${{ an: 'object' }} | ${false}
${''} | ${false}
${' \t\r\n'} | ${false}
${'hello'} | ${true}
`('returns $result for input $txt', ({ result, txt }) => {
expect(textUtils.hasContent(txt)).toEqual(result);
});
});
});