96 lines
2.8 KiB
JavaScript
96 lines
2.8 KiB
JavaScript
import pixelmatch from 'pixelmatch';
|
|
|
|
export default {
|
|
toContainText: () => ({
|
|
compare(vm, text) {
|
|
if (!(vm.$el instanceof HTMLElement)) {
|
|
throw new Error('vm.$el is not a DOM element!');
|
|
}
|
|
|
|
const result = {
|
|
pass: vm.$el.innerText.includes(text),
|
|
};
|
|
return result;
|
|
},
|
|
}),
|
|
toHaveSpriteIcon: () => ({
|
|
compare(element, iconName) {
|
|
if (!iconName) {
|
|
throw new Error('toHaveSpriteIcon is missing iconName argument!');
|
|
}
|
|
|
|
if (!(element instanceof HTMLElement)) {
|
|
throw new Error(`${element} is not a DOM element!`);
|
|
}
|
|
|
|
const iconReferences = [].slice.apply(element.querySelectorAll('svg use'));
|
|
const matchingIcon = iconReferences.find(reference =>
|
|
reference.getAttribute('xlink:href').endsWith(`#${iconName}`),
|
|
);
|
|
const result = {
|
|
pass: Boolean(matchingIcon),
|
|
};
|
|
|
|
if (result.pass) {
|
|
result.message = `${element.outerHTML} contains the sprite icon "${iconName}"!`;
|
|
} else {
|
|
result.message = `${element.outerHTML} does not contain the sprite icon "${iconName}"!`;
|
|
|
|
const existingIcons = iconReferences.map(reference => {
|
|
const iconUrl = reference.getAttribute('xlink:href');
|
|
return `"${iconUrl.replace(/^.+#/, '')}"`;
|
|
});
|
|
if (existingIcons.length > 0) {
|
|
result.message += ` (only found ${existingIcons.join(',')})`;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
},
|
|
}),
|
|
toRender: () => ({
|
|
compare(vm) {
|
|
const result = {
|
|
pass: vm.$el.nodeType !== Node.COMMENT_NODE,
|
|
};
|
|
return result;
|
|
},
|
|
}),
|
|
toImageDiffEqual: () => {
|
|
const getImageData = img => {
|
|
const canvas = document.createElement('canvas');
|
|
canvas.width = img.width;
|
|
canvas.height = img.height;
|
|
canvas.getContext('2d').drawImage(img, 0, 0);
|
|
return canvas.getContext('2d').getImageData(0, 0, img.width, img.height).data;
|
|
};
|
|
|
|
return {
|
|
compare(actual, expected, threshold = 0.1) {
|
|
if (actual.height !== expected.height || actual.width !== expected.width) {
|
|
return {
|
|
pass: false,
|
|
message: `Expected image dimensions (h x w) of ${expected.height}x${expected.width}.
|
|
Received an image with ${actual.height}x${actual.width}`,
|
|
};
|
|
}
|
|
|
|
const { width, height } = actual;
|
|
const differentPixels = pixelmatch(
|
|
getImageData(actual),
|
|
getImageData(expected),
|
|
null,
|
|
width,
|
|
height,
|
|
{ threshold },
|
|
);
|
|
|
|
return {
|
|
pass: differentPixels < 20,
|
|
message: `${differentPixels} pixels differ more than ${threshold *
|
|
100} percent between input and output.`,
|
|
};
|
|
},
|
|
};
|
|
},
|
|
};
|