add snapshot tests for invites endpoint

tests/invite.test.js

@@ -0,0 +1,67 @@
+const test = require('supertest')
+const app = require('../index')
+const { omit } = require('lodash')
+const request = require('superagent')
+const mocker = require('superagent-mocker')
+
+const mock = mocker(request)
+
+function resolveAllPromises() {
+  return new Promise((resolve) => setTimeout(resolve))
+}
+
+describe('invite endpoint', () => {
+  let slackInviteSpy
+  let githubSearchSpy
+  let githubOrgInviteSpy
+  let response
+
+  beforeEach(async () => {
+    slackInviteSpy = jest.fn((req) => ({
+      body: {ok: true}
+    }));
+
+    githubSearchSpy = jest.fn((req) => ({
+      body: {items: [{login: 'rikukissa'}]}
+    }));
+
+    githubOrgInviteSpy = jest.fn((req) => ({
+      body: {user: {login: 'rikukissa'}}
+    }));
+
+    mock.post('https://koodiklinikka.slack.com/api/users.admin.invite', slackInviteSpy);
+    mock.get('https://api.github.com/search/users', githubSearchSpy);
+    mock.put('https://api.github.com/orgs/koodiklinikka/memberships/:login', githubOrgInviteSpy);
+
+    response = await test(app)
+      .post('/invites')
+      .send({email: 'test@example.com'})
+      .expect(200)
+
+    await resolveAllPromises()
+  })
+  afterEach(() => mock.clearRoutes())
+
+  it("responds with 200 status", () => {
+    expect({
+      headers: omit(response.headers, 'date'),
+      body: response.body,
+      status: response.status
+    }).toMatchSnapshot()
+  })
+
+  it("send an invite request to slack's api", () => {
+    expect(slackInviteSpy).toHaveBeenCalled()
+    expect(slackInviteSpy.mock.calls[0][0]).toMatchSnapshot();
+  })
+
+  it('tries searching for the user from github API', () => {
+    expect(githubSearchSpy).toHaveBeenCalled()
+    expect(githubSearchSpy.mock.calls[0][0]).toMatchSnapshot();
+  })
+
+  it('invites user to github org', () => {
+    expect(githubOrgInviteSpy).toHaveBeenCalled()
+    expect(githubOrgInviteSpy.mock.calls[0][0]).toMatchSnapshot();
+  })
+})