36 lines
1 KiB
JavaScript
36 lines
1 KiB
JavaScript
export const toHaveSpriteIcon = (element, iconName) => {
|
|
if (!iconName) {
|
|
throw new Error('toHaveSpriteIcon is missing iconName argument!');
|
|
}
|
|
|
|
if (!(element instanceof HTMLElement)) {
|
|
throw new Error(`${element} is not a DOM element!`);
|
|
}
|
|
|
|
const iconReferences = [].slice.apply(element.querySelectorAll('svg use'));
|
|
const matchingIcon = iconReferences.find(
|
|
(reference) => reference.parentNode.dataset.testid === `${iconName}-icon`,
|
|
);
|
|
|
|
const pass = Boolean(matchingIcon);
|
|
|
|
let message;
|
|
if (pass) {
|
|
message = `${element.outerHTML} contains the sprite icon "${iconName}"!`;
|
|
} else {
|
|
message = `${element.outerHTML} does not contain the sprite icon "${iconName}"!`;
|
|
|
|
const existingIcons = iconReferences.map((reference) => {
|
|
const iconUrl = reference.getAttribute('href');
|
|
return `"${iconUrl.replace(/^.+#/, '')}"`;
|
|
});
|
|
if (existingIcons.length > 0) {
|
|
message += ` (only found ${existingIcons.join(',')})`;
|
|
}
|
|
}
|
|
|
|
return {
|
|
pass,
|
|
message: () => message,
|
|
};
|
|
};
|