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text.spec.js
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text.spec.js
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/**
* @author NHN Ent. FE Development Team <[email protected]>
* @fileoverview Test cases of "src/js/component/text.js"
*/
import {fabric} from 'fabric';
import $ from 'jquery';
import Graphics from '../src/js/graphics';
import Text from '../src/js/component/text';
describe('Text', () => {
let canvas, graphics, mockImage, text;
beforeAll(() => {
graphics = new Graphics($('<canvas>')[0]);
canvas = graphics.getCanvas();
text = new Text(graphics);
});
beforeEach(() => {
mockImage = new fabric.Image();
graphics.setCanvasImage('mockImage', mockImage);
});
afterEach(() => {
canvas.forEachObject(obj => {
canvas.remove(obj);
});
});
describe('add()', () => {
let activeObj;
beforeEach(() => {
text.add('', {});
activeObj = canvas.getActiveObject();
});
it('should make the blank text object when text parameter is empty string.', () => {
const newText = activeObj.getText();
expect(newText).toEqual('');
});
it('should make the text object set default option when parameter has not "styles" property.', () => {
const newTextStyle = activeObj.fontWeight;
expect(newTextStyle).toEqual('normal');
});
it('should create the text object on center of canvas when parameter has not "position" property.', () => {
const mockImagePos = mockImage.getCenterPoint();
expect(activeObj.left).toEqual(mockImagePos.x);
expect(activeObj.top).toEqual(mockImagePos.y);
});
});
it('change() should change contents in the text object as input.', () => {
text.add('text123', {});
const activeObj = canvas.getActiveObject();
text.change(activeObj, 'abc');
expect(activeObj.getText()).toEqual('abc');
text.change(activeObj, 'def');
expect(activeObj.getText()).toEqual('def');
});
describe('setStyle()', () => {
beforeEach(() => {
text.add('new text', {
styles: {
fontWeight: 'bold'
}
});
});
it('should unlock style when a selected style already apply on the activated text object.', () => {
const activeObj = canvas.getActiveObject();
text.setStyle(activeObj, {
fontWeight: 'bold'
});
expect(activeObj.fontWeight).not.toEqual('bold');
});
it('should apply style when the activated text object has not a selected style.', () => {
const activeObj = canvas.getActiveObject();
text.setStyle(activeObj, {
fontStyle: 'italic'
});
expect(activeObj.fontStyle).toEqual('italic');
});
});
describe('_createTextarea()', () => {
let $textarea;
beforeEach(() => {
text._createTextarea();
$textarea = $(text.getCanvasElement().parentNode).find('textarea');
});
afterEach(() => {
text._removeTextarea();
});
it('should attach the created "textarea" element on canvas container.', () => {
expect($textarea.length).toEqual(1);
});
it('should have class name.', () => {
const expected = 'tui-image-eidtor-textarea';
expect($textarea.attr('class')).toEqual(expected);
});
it('should add inline style on "textarea" element.', () => {
expect($textarea.attr('style')).not.toEqual(null);
});
});
it('_removeTextarea() should remove "textarea" element on canvas container.', () => {
text._createTextarea();
text._removeTextarea();
const $textarea = $(text.getCanvasElement().parentNode).find('textarea');
expect($textarea.length).toEqual(0);
});
it('_onBlur() should hide the "textarea" element.', () => {
const obj = new fabric.Text('test');
text._createTextarea();
const $textarea = $(text.getCanvasElement().parentNode).find('textarea');
text._editingObj = obj;
canvas.add(obj);
text._onBlur();
expect($textarea.css('display')).toEqual('none');
});
it('_onFabricScaling() should change size of selected text object.', () => {
const obj = new fabric.Text('test');
const mock = {
target: obj
};
const scale = 10;
const originSize = obj.getFontSize();
text.start({});
canvas.add(obj);
obj.setScaleY(scale);
canvas.fire('object:scaling', mock);
expect(obj.getFontSize()).toEqual(originSize * scale);
});
describe('_changeToEditingMode()', () => {
let textarea;
const ratio = 10;
const expected = {
fontSize: 12,
fontFamily: 'Comic Sans',
fontStyle: 'italic',
fontWeight: '700',
textAlign: 'right',
lineHeight: '3'
};
const obj = new fabric.Text('test', expected);
beforeEach(() => {
text._createTextarea();
textarea = text._textarea;
canvas.add(obj);
spyOn(text, 'getCanvasRatio').and.returnValue(ratio);
text._changeToEditingMode(obj);
});
afterEach(() => {
text._removeTextarea();
});
it('should change selected text object into textarea.', () => {
expect(textarea.style.display).not.toEqual('none');
});
it('should set style of textarea by selected text object.', () => {
const textareaStyles = textarea.style;
expect(textareaStyles['font-size']).toEqual(`${expected.fontSize / ratio}px`);
expect(textareaStyles['font-family'].replace(/'|"|\\/g, '')).toEqual(expected.fontFamily);
expect(textareaStyles['font-weight']).toEqual(expected.fontWeight);
expect(textareaStyles['font-align']).toEqual(expected.fontAlign);
expect(textareaStyles['line-height']).toEqual(obj.getLineHeight() + 0.1);
});
});
});