Files
30-seconds-of-code/test/toSnakeCase/toSnakeCase.test.js
Angelos Chalaris a78f5db260 Test migration to jest by hand
Apparently using regular expressions is way easier.
2018-06-18 15:15:56 +03:00

25 lines
1.7 KiB
JavaScript

const expect = require('expect');
const toSnakeCase = require('./toSnakeCase.js');
test('toSnakeCase is a Function', () => {
expect(toSnakeCase).toBeInstanceOf(Function);
});
t.equal(toSnakeCase('camelCase'), 'camel_case', "toSnakeCase('camelCase') returns camel_case");
t.equal(toSnakeCase('some text'), 'some_text', "toSnakeCase('some text') returns some_text");
t.equal(toSnakeCase('some-mixed_string With spaces_underscores-and-hyphens'), 'some_mixed_string_with_spaces_underscores_and_hyphens', "toSnakeCase('some-mixed_string With spaces_underscores-and-hyphens') returns some_mixed_string_with_spaces_underscores_and_hyphens");
t.equal(toSnakeCase('IAmListeningToFMWhileLoadingDifferentURLOnMyBrowserAndAlsoEditingSomeXMLAndHTML'), 'i_am_listening_to_fm_while_loading_different_url_on_my_browser_and_also_editing_some_xml_and_html', "toSnakeCase('IAmListeningToFMWhileLoadingDifferentURLOnMyBrowserAndAlsoEditingSomeXMLAndHTML') returns i_am_listening_to_fm_while_loading_different_url_on_my_browser_and_also_editing_some_xml_and_html");
t.equal(toSnakeCase(), undefined, 'toSnakeCase() returns undefined');
t.throws(() => toSnakeCase([]), 'toSnakeCase([]) throws an error');
t.throws(() => toSnakeCase({}), 'toSnakeCase({}) throws an error');
t.throws(() => toSnakeCase(123), 'toSnakeCase(123) throws an error');
let start = new Date().getTime();
toSnakeCase('IAmListeningToFMWhileLoadingDifferentURLOnMyBrowserAndAlsoEditingSomeXMLAndHTML');
let end = new Date().getTime();
test('toSnakeCase(IAmListeningToFMWhileLoadingDifferentURLOnMyBrowserAndAlsoEditingSomeXMLAndHTML) takes less than 2s to run', () => {
expect((end - start) < 2000).toBeTruthy();
});