mobilizon/js/tests/unit/specs/components/User/login.spec.ts

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import { config, createLocalVue, mount, Wrapper } from "@vue/test-utils";
import Login from "@/views/User/Login.vue";
import Buefy from "buefy";
import {
createMockClient,
MockApolloClient,
RequestHandler,
} from "mock-apollo-client";
import VueApollo from "vue-apollo";
import buildCurrentUserResolver from "@/apollo/user";
import { configMock } from "../../mocks/config";
import { i18n } from "@/utils/i18n";
import { CONFIG } from "@/graphql/config";
import { loginMock, loginResponseMock } from "../../mocks/auth";
import { LOGIN } from "@/graphql/auth";
import { CURRENT_USER_CLIENT } from "@/graphql/user";
import { ICurrentUser } from "@/types/current-user.model";
import flushPromises from "flush-promises";
import RouteName from "@/router/name";
import { InMemoryCache } from "@apollo/client/cache";
const localVue = createLocalVue();
localVue.use(Buefy);
config.mocks.$t = (key: string): string => key;
const $router = { push: jest.fn() };
describe("Render login form", () => {
let wrapper: Wrapper<Vue>;
let mockClient: MockApolloClient | null;
let apolloProvider;
let requestHandlers: Record<string, RequestHandler>;
const generateWrapper = (
handlers: Record<string, unknown> = {},
customProps: Record<string, unknown> = {},
baseData: Record<string, unknown> = {},
customMocks: Record<string, unknown> = {}
) => {
const cache = new InMemoryCache({ addTypename: true });
mockClient = createMockClient({
cache,
resolvers: buildCurrentUserResolver(cache),
});
requestHandlers = {
configQueryHandler: jest.fn().mockResolvedValue(configMock),
loginMutationHandler: jest.fn().mockResolvedValue(loginResponseMock),
...handlers,
};
mockClient.setRequestHandler(CONFIG, requestHandlers.configQueryHandler);
mockClient.setRequestHandler(LOGIN, requestHandlers.loginMutationHandler);
apolloProvider = new VueApollo({
defaultClient: mockClient,
});
wrapper = mount(Login, {
localVue,
i18n,
apolloProvider,
propsData: {
...customProps,
},
mocks: {
$route: { query: {} },
$router,
...customMocks,
},
stubs: ["router-link", "router-view"],
data() {
return {
...baseData,
};
},
});
};
afterEach(() => {
wrapper.destroy();
mockClient = null;
apolloProvider = null;
$router.push.mockReset();
});
it("requires email and password to be filled", async () => {
generateWrapper();
await wrapper.vm.$nextTick();
await wrapper.vm.$nextTick();
expect(wrapper.exists()).toBe(true);
expect(requestHandlers.configQueryHandler).toHaveBeenCalled();
expect(wrapper.vm.$apollo.queries.config).toBeTruthy();
wrapper.find('form input[type="email"]').setValue("");
wrapper.find('form input[type="password"]').setValue("");
wrapper.find("form button.button").trigger("click");
const form = wrapper.find("form");
expect(form.exists()).toBe(true);
const formElement = form.element as HTMLFormElement;
expect(formElement.checkValidity()).toBe(false);
});
it("renders and submits the login form", async () => {
generateWrapper();
await wrapper.vm.$nextTick();
await wrapper.vm.$nextTick();
expect(wrapper.exists()).toBe(true);
expect(requestHandlers.configQueryHandler).toHaveBeenCalled();
expect(wrapper.vm.$apollo.queries.config).toBeTruthy();
wrapper.find('form input[type="email"]').setValue("some@email.tld");
wrapper.find('form input[type="password"]').setValue("somepassword");
wrapper.find("form").trigger("submit");
await wrapper.vm.$nextTick();
expect(requestHandlers.loginMutationHandler).toHaveBeenCalledWith({
...loginMock,
});
await wrapper.vm.$nextTick();
await wrapper.vm.$nextTick();
const currentUser = mockClient?.cache.readQuery<{
currentUser: ICurrentUser;
}>({
query: CURRENT_USER_CLIENT,
})?.currentUser;
expect(currentUser?.email).toBe("some@email.tld");
expect(currentUser?.id).toBe("1");
expect(jest.isMockFunction(wrapper.vm.$router.push)).toBe(true);
await flushPromises();
expect($router.push).toHaveBeenCalledWith({ name: RouteName.HOME });
});
it("handles a login error", async () => {
generateWrapper({
loginMutationHandler: jest.fn().mockResolvedValue({
errors: [
{
message:
'"Impossible to authenticate, either your email or password are invalid."',
},
],
}),
});
await wrapper.vm.$nextTick();
await wrapper.vm.$nextTick();
expect(wrapper.exists()).toBe(true);
expect(requestHandlers.configQueryHandler).toHaveBeenCalled();
expect(wrapper.vm.$apollo.queries.config).toBeTruthy();
wrapper.find('form input[type="email"]').setValue("some@email.tld");
wrapper.find('form input[type="password"]').setValue("somepassword");
wrapper.find("form").trigger("submit");
await wrapper.vm.$nextTick();
expect(requestHandlers.loginMutationHandler).toHaveBeenCalledWith({
...loginMock,
});
await flushPromises();
expect(wrapper.find("article.message.is-danger").text()).toContain(
"Impossible to authenticate, either your email or password are invalid."
);
expect($router.push).not.toHaveBeenCalled();
});
it("handles redirection after login", async () => {
generateWrapper(
{},
{},
{},
{
$route: { query: { redirect: "/about/instance" } },
}
);
await wrapper.vm.$nextTick();
await wrapper.vm.$nextTick();
wrapper.find('form input[type="email"]').setValue("some@email.tld");
wrapper.find('form input[type="password"]').setValue("somepassword");
wrapper.find("form").trigger("submit");
await flushPromises();
expect($router.push).toHaveBeenCalledWith("/about/instance");
});
});