gitlab-org--gitlab-foss/spec/frontend/helpers/vue_test_utils_helper.js
2019-08-02 13:11:37 +00:00

35 lines
1.4 KiB
JavaScript

const vNodeContainsText = (vnode, text) =>
(vnode.text && vnode.text.includes(text)) ||
(vnode.children && vnode.children.filter(child => vNodeContainsText(child, text)).length);
/**
* Determines whether a `shallowMount` Wrapper contains text
* within one of it's slots. This will also work on Wrappers
* acquired with `find()`, but only if it's parent Wrapper
* was shallowMounted.
* NOTE: Prefer checking the rendered output of a component
* wherever possible using something like `text()` instead.
* @param {Wrapper} shallowWrapper - Vue test utils wrapper (shallowMounted)
* @param {String} slotName
* @param {String} text
*/
export const shallowWrapperContainsSlotText = (shallowWrapper, slotName, text) =>
Boolean(
shallowWrapper.vm.$slots[slotName].filter(vnode => vNodeContainsText(vnode, text)).length,
);
/**
* Returns a promise that waits for a mutation to be fired before resolving
* NOTE: There's no reject action here so it will hang if it waits for a mutation that won't happen.
* @param {Object} store - The Vue store that contains the mutations
* @param {String} expectedMutationType - The Mutation to wait for
*/
export const waitForMutation = (store, expectedMutationType) =>
new Promise(resolve => {
const unsubscribe = store.subscribe(mutation => {
if (mutation.type === expectedMutationType) {
unsubscribe();
resolve();
}
});
});