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import { mount } from '@vue/test-utils';
import Vue, { nextTick } from 'vue';
import { compileToFunctions } from 'vue-template-compiler';
import { GREEN_BOX_IMAGE_URL, RED_BOX_IMAGE_URL } from 'spec/test_constants';
import imageDiffViewer from '~/vue_shared/components/diff_viewer/viewers/image_diff_viewer.vue';
describe('ImageDiffViewer', () => {
const requiredProps = {
diffMode: 'replaced',
newPath: GREEN_BOX_IMAGE_URL,
oldPath: RED_BOX_IMAGE_URL,
};
const allProps = {
...requiredProps,
oldSize: 2048,
newSize: 1024,
};
let wrapper;
let vm;
function createComponent(props) {
const ImageDiffViewer = Vue.extend(imageDiffViewer);
wrapper = mount(ImageDiffViewer, { propsData: props });
vm = wrapper.vm;
}
const triggerEvent = (eventName, el = vm.$el, clientX = 0) => {
const event = new MouseEvent(eventName, {
bubbles: true,
cancelable: true,
view: window,
detail: 1,
screenX: clientX,
clientX,
});
// JSDOM does not implement experimental APIs
event.pageX = clientX;
el.dispatchEvent(event);
};
const dragSlider = (sliderElement, doc, dragPixel) => {
triggerEvent('mousedown', sliderElement);
triggerEvent('mousemove', doc.body, dragPixel);
triggerEvent('mouseup', doc.body);
};
afterEach(() => {
wrapper.destroy();
});
it('renders image diff for replaced', async () => {
createComponent({ ...allProps });
await nextTick();
const metaInfoElements = vm.$el.querySelectorAll('.image-info');
expect(vm.$el.querySelector('.added img').getAttribute('src')).toBe(GREEN_BOX_IMAGE_URL);
expect(vm.$el.querySelector('.deleted img').getAttribute('src')).toBe(RED_BOX_IMAGE_URL);
expect(vm.$el.querySelector('.view-modes-menu li.active').textContent.trim()).toBe('2-up');
expect(vm.$el.querySelector('.view-modes-menu li:nth-child(2)').textContent.trim()).toBe(
'Swipe',
);
expect(vm.$el.querySelector('.view-modes-menu li:nth-child(3)').textContent.trim()).toBe(
'Onion skin',
);
expect(metaInfoElements.length).toBe(2);
expect(metaInfoElements[0]).toHaveText('2.00 KiB');
expect(metaInfoElements[1]).toHaveText('1.00 KiB');
});
it('renders image diff for new', async () => {
createComponent({ ...allProps, diffMode: 'new', oldPath: '' });
await nextTick();
const metaInfoElement = vm.$el.querySelector('.image-info');
expect(vm.$el.querySelector('.added img').getAttribute('src')).toBe(GREEN_BOX_IMAGE_URL);
expect(metaInfoElement).toHaveText('1.00 KiB');
});
it('renders image diff for deleted', async () => {
createComponent({ ...allProps, diffMode: 'deleted', newPath: '' });
await nextTick();
const metaInfoElement = vm.$el.querySelector('.image-info');
expect(vm.$el.querySelector('.deleted img').getAttribute('src')).toBe(RED_BOX_IMAGE_URL);
expect(metaInfoElement).toHaveText('2.00 KiB');
});
it('renders image diff for renamed', async () => {
vm = new Vue({
components: {
imageDiffViewer,
},
data() {
return {
...allProps,
diffMode: 'renamed',
};
},
...compileToFunctions(`
<image-diff-viewer
:diff-mode="diffMode"
:new-path="newPath"
:old-path="oldPath"
:new-size="newSize"
:old-size="oldSize"
>
<template #image-overlay>
<span class="overlay">test</span>
</template>
</image-diff-viewer>
`),
}).$mount();
await nextTick();
const metaInfoElement = vm.$el.querySelector('.image-info');
expect(vm.$el.querySelector('img').getAttribute('src')).toBe(GREEN_BOX_IMAGE_URL);
expect(vm.$el.querySelector('.overlay')).not.toBe(null);
expect(metaInfoElement).toHaveText('2.00 KiB');
});
describe('swipeMode', () => {
beforeEach(() => {
createComponent({ ...requiredProps });
return nextTick();
});
it('switches to Swipe Mode', async () => {
vm.$el.querySelector('.view-modes-menu li:nth-child(2)').click();
await nextTick();
expect(vm.$el.querySelector('.view-modes-menu li.active').textContent.trim()).toBe('Swipe');
});
});
describe('onionSkin', () => {
beforeEach(() => {
createComponent({ ...requiredProps });
return nextTick();
});
it('switches to Onion Skin Mode', async () => {
vm.$el.querySelector('.view-modes-menu li:nth-child(3)').click();
await nextTick();
expect(vm.$el.querySelector('.view-modes-menu li.active').textContent.trim()).toBe(
'Onion skin',
);
});
it('has working drag handler', async () => {
vm.$el.querySelector('.view-modes-menu li:nth-child(3)').click();
await nextTick();
dragSlider(vm.$el.querySelector('.dragger'), document, 20);
await nextTick();
expect(vm.$el.querySelector('.dragger').style.left).toBe('20px');
expect(vm.$el.querySelector('.added.frame').style.opacity).toBe('0.2');
});
});
});
|
