text-transform-functional.test.js

import { assert } from 'chai';

import * as TextTransformation from '../src/text-transform-functional';

describe('test atomic functions', () => {
    it('trim(text) trims spaces',
        () => assert.strictEqual(TextTransformation.trim(' Text '), 'Text'));
    it('trim(text) trims tabs',
        () => assert.strictEqual(TextTransformation.trim('    Text   '), 'Text'));
    it('trim(text) trims new lines',
        () => assert.strictEqual(TextTransformation.trim("\nText\n"), 'Text'));
    it('toLowerCase(text) turns text to lower case',
        () => assert.strictEqual(TextTransformation.toLowerCase("pReSiDeNt"), 'president'));
    it('capitalize(text) turns first character to Capital',
        () => assert.strictEqual(TextTransformation.capitalize("pReSiDeNt"), 'PReSiDeNt'));
    it('addExclamationMark(text) adds !',
        () => assert.strictEqual(TextTransformation.addExclamationMark("text"), 'text!'));
    it('addPunctuation(text) adds .',
        () => assert.strictEqual(TextTransformation.addPunctuation("text"), 'text.'));
});

describe('test composed functions', () => {
    it('makeImportant(text) makes it capitalized, trimmed with ! at the end.',
        () => assert.strictEqual(TextTransformation.makeImportant(' pReSiDeNt  '), 'President!'));
    it('makeUnimportant(text) makes it lowercase, trimmed with . at the end.',
        () => assert.strictEqual(TextTransformation.makeUnimportant(' pReSiDeNt  '), 'president.'));
});