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require('~/lib/utils/text_utility');
(() => {
describe('text_utility', () => {
describe('gl.text.getTextWidth', () => {
it('returns zero width when no text is passed', () => {
expect(gl.text.getTextWidth('')).toBe(0);
});
it('returns zero width when no text is passed and font is passed', () => {
expect(gl.text.getTextWidth('', '100px sans-serif')).toBe(0);
});
it('returns width when text is passed', () => {
expect(gl.text.getTextWidth('foo') > 0).toBe(true);
});
it('returns bigger width when font is larger', () => {
const largeFont = gl.text.getTextWidth('foo', '100px sans-serif');
const regular = gl.text.getTextWidth('foo', '10px sans-serif');
expect(largeFont > regular).toBe(true);
});
});
describe('gl.text.pluralize', () => {
it('returns pluralized', () => {
expect(gl.text.pluralize('test', 2)).toBe('tests');
});
it('returns pluralized when count is 0', () => {
expect(gl.text.pluralize('test', 0)).toBe('tests');
});
it('does not return pluralized', () => {
expect(gl.text.pluralize('test', 1)).toBe('test');
});
});
describe('gl.text.highCountTrim', () => {
it('returns 99+ for count >= 100', () => {
expect(gl.text.highCountTrim(105)).toBe('99+');
expect(gl.text.highCountTrim(100)).toBe('99+');
});
it('returns exact number for count < 100', () => {
expect(gl.text.highCountTrim(45)).toBe(45);
});
});
describe('gl.text.insertText', () => {
let textArea;
beforeAll(() => {
textArea = document.createElement('textarea');
document.querySelector('body').appendChild(textArea);
});
afterAll(() => {
textArea.parentNode.removeChild(textArea);
});
describe('without selection', () => {
it('inserts the tag on an empty line', () => {
const initialValue = '';
textArea.value = initialValue;
textArea.selectionStart = 0;
textArea.selectionEnd = 0;
gl.text.insertText(textArea, textArea.value, '*', null, '', false);
expect(textArea.value).toEqual(`${initialValue}* `);
});
it('inserts the tag on a new line if the current one is not empty', () => {
const initialValue = 'some text';
textArea.value = initialValue;
textArea.setSelectionRange(initialValue.length, initialValue.length);
gl.text.insertText(textArea, textArea.value, '*', null, '', false);
expect(textArea.value).toEqual(`${initialValue}\n* `);
});
it('inserts the tag on the same line if the current line only contains spaces', () => {
const initialValue = ' ';
textArea.value = initialValue;
textArea.setSelectionRange(initialValue.length, initialValue.length);
gl.text.insertText(textArea, textArea.value, '*', null, '', false);
expect(textArea.value).toEqual(`${initialValue}* `);
});
it('inserts the tag on the same line if the current line only contains tabs', () => {
const initialValue = '\t\t\t';
textArea.value = initialValue;
textArea.setSelectionRange(initialValue.length, initialValue.length);
gl.text.insertText(textArea, textArea.value, '*', null, '', false);
expect(textArea.value).toEqual(`${initialValue}* `);
});
});
describe('gl.text.formatRelevantDigits', () => {
it('returns 0 when the number is NaN', () => {
expect(gl.text.formatRelevantDigits('fail')).toBe(0);
});
it('returns 4 decimals when there is 4 plus digits to the left', () => {
const formattedNumber = gl.text.formatRelevantDigits('1000.1234567').split('.')[1];
expect(formattedNumber.length).toBe(4);
});
it('returns 3 decimals when there is 1 digit to the left', () => {
const formattedNumber = gl.text.formatRelevantDigits('0.1234567').split('.')[1];
expect(formattedNumber.length).toBe(3);
});
it('returns 2 decimals when there is 2 digits to the left', () => {
const formattedNumber = gl.text.formatRelevantDigits('10.1234567').split('.')[1];
expect(formattedNumber.length).toBe(2);
});
it('returns 1 decimal when there is 3 digits to the left', () => {
const formattedNumber = gl.text.formatRelevantDigits('100.1234567').split('.')[1];
expect(formattedNumber.length).toBe(1);
});
});
});
});
})();
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