mobilizon/js/tests/unit/specs/components/Comment/CommentTree.spec.ts

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import { config, createLocalVue, shallowMount, Wrapper } from "@vue/test-utils";
import CommentTree from "@/components/Comment/CommentTree.vue";
import Buefy from "buefy";
import {
createMockClient,
MockApolloClient,
RequestHandler,
} from "mock-apollo-client";
import VueApollo from "@vue/apollo-option";
import {
COMMENTS_THREADS_WITH_REPLIES,
CREATE_COMMENT_FROM_EVENT,
} from "@/graphql/comment";
import { CommentModeration } from "@/types/enums";
import { IEvent } from "@/types/event.model";
import {
eventCommentThreadsMock,
eventNoCommentThreadsMock,
newCommentForEventMock,
newCommentForEventResponse,
} from "../../mocks/event";
import flushPromises from "flush-promises";
import { defaultResolvers } from "../../common";
const localVue = createLocalVue();
localVue.use(Buefy);
localVue.use(VueApollo);
config.mocks.$t = (key: string): string => key;
const eventData = {
id: "1",
uuid: "e37910ea-fd5a-4756-7634-00971f3f4107",
options: {
commentModeration: CommentModeration.ALLOW_ALL,
},
};
describe("CommentTree", () => {
let wrapper: Wrapper<Vue>;
let mockClient: MockApolloClient | null;
let apolloProvider;
let requestHandlers: Record<string, RequestHandler>;
const generateWrapper = (handlers = {}, baseData = {}) => {
mockClient = createMockClient({
resolvers: defaultResolvers,
});
requestHandlers = {
eventCommentThreadsQueryHandler: jest
.fn()
.mockResolvedValue(eventCommentThreadsMock),
createCommentForEventMutationHandler: jest
.fn()
.mockResolvedValue(newCommentForEventResponse),
...handlers,
};
mockClient.setRequestHandler(
COMMENTS_THREADS_WITH_REPLIES,
requestHandlers.eventCommentThreadsQueryHandler
);
mockClient.setRequestHandler(
CREATE_COMMENT_FROM_EVENT,
requestHandlers.createCommentForEventMutationHandler
);
apolloProvider = new VueApollo({
defaultClient: mockClient,
});
wrapper = shallowMount(CommentTree, {
localVue,
apolloProvider,
propsData: {
event: { ...eventData },
},
stubs: ["editor"],
data() {
return {
...baseData,
};
},
});
};
afterEach(() => {
mockClient = null;
requestHandlers = {};
apolloProvider = null;
wrapper.destroy();
});
it("renders a loading comment tree", async () => {
generateWrapper();
expect(wrapper.find(".loading").text()).toBe("Loading comments…");
expect(wrapper.html()).toMatchSnapshot();
});
it("renders a comment tree with comments", async () => {
generateWrapper();
await flushPromises();
expect(wrapper.exists()).toBe(true);
expect(
requestHandlers.eventCommentThreadsQueryHandler
).toHaveBeenCalledWith({ eventUUID: eventData.uuid });
expect(wrapper.vm.$apollo.queries.comments).toBeTruthy();
expect(wrapper.find(".loading").exists()).toBe(false);
expect(wrapper.findAll(".comment-list .root-comment").length).toBe(2);
expect(wrapper.html()).toMatchSnapshot();
});
it("renders the form if we can comment", async () => {
generateWrapper(
{},
{
newComment: {
text: newCommentForEventMock.text,
},
}
);
await flushPromises();
expect(wrapper.find("form.new-comment").isVisible()).toBe(true);
expect(wrapper.findAll(".comment-list .root-comment").length).toBe(2);
wrapper.find("form.new-comment").trigger("submit");
await wrapper.vm.$nextTick();
expect(
requestHandlers.createCommentForEventMutationHandler
).toHaveBeenCalledWith({
...newCommentForEventMock,
});
if (mockClient) {
const cachedData = mockClient.cache.readQuery<{ event: IEvent }>({
query: COMMENTS_THREADS_WITH_REPLIES,
variables: {
eventUUID: eventData.uuid,
},
});
if (cachedData) {
const { event } = cachedData;
expect(event.comments).toHaveLength(3);
}
}
});
it("renders an empty comment tree", async () => {
generateWrapper({
eventCommentThreadsQueryHandler: jest
.fn()
.mockResolvedValue(eventNoCommentThreadsMock),
});
await flushPromises();
expect(
requestHandlers.eventCommentThreadsQueryHandler
).toHaveBeenCalledWith({ eventUUID: eventData.uuid });
expect(wrapper.find(".no-comments").text()).toBe("No comments yet");
expect(wrapper.html()).toMatchSnapshot();
});
});