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e1d8f4be3a
* rename js files to ts * start migrating ajax * finish migrating ajax * migrate algolia-locale-setup * migrate format * migrate format.test * migrate get-words * install axios for types in handled-error * migrate handled-error * migrate handled-error.test * migrate report-error * migrate script-loaders * migrate to-learn-path * correct renamed imports * remove unnecessary type assertions in searchBar * remove unnecessary global comment * remove unnecessary max-len enable/disable * change axios imports to type imports * revert to .then() from await * use UserType from redux/prop-types * replace assertion with generic type * revert format to JS * remove unused getArticleById() * update putUpdateUserFlag() to use Record * remove unnecessary envData cast * update algolia-locale-setup types * remove invalid key property
54 lines
1.5 KiB
TypeScript
54 lines
1.5 KiB
TypeScript
import { format } from './format';
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function simpleFun() {
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// eslint-disable-next-line no-var, @typescript-eslint/no-unused-vars
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var x = 'y';
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}
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/* format uses util.inspect to do almost everything, the tests are just there
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to warn us if util.inspect ever changes */
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describe('format', () => {
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it('returns a string', () => {
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expect(typeof format('')).toBe('string');
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expect(typeof format({})).toBe('string');
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expect(typeof format([])).toBe('string');
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});
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it('does not modify strings', () => {
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expect(format('')).toBe('');
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expect(format('abcde')).toBe('abcde');
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expect(format('Case Sensitive')).toBe('Case Sensitive');
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});
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it('formats shallow objects nicely', () => {
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expect(format({})).toBe('{}');
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expect(format({ a: 'one', b: 'two' })).toBe(`{ a: 'one', b: 'two' }`);
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});
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it('formats functions the same way as console.log', () => {
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expect(format(simpleFun)).toBe('[Function: simpleFun]');
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});
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it('recurses into arrays', () => {
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const objsInArr = [{ a: 'one' }, 'b', simpleFun];
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expect(format(objsInArr)).toBe(
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`[ { a: 'one' }, 'b', [Function: simpleFun] ]`
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);
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});
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it('handles all primitive values', () => {
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const primitives = [
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'str',
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57,
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BigInt(10),
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true,
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false,
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null,
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// eslint-disable-next-line no-undefined
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undefined,
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Symbol('Sym')
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];
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expect(format(primitives)).toBe(
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`[ 'str', 57, 10n, true, false, null, undefined, Symbol(Sym) ]`
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);
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});
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it(`outputs NaN as 'NaN'`, () => {
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expect(format(NaN)).toBe('NaN');
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});
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});
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