add api tests for deleting a user

packages/api/test/resolvers/user_delete_account.test.ts

@@ -0,0 +1,69 @@
+import { createTestUser } from '../db'
+import { graphqlRequest, request } from '../util'
+import * as chai from 'chai'
+import { expect } from 'chai'
+import 'mocha'
+import { User } from '../../src/entity/user'
+import chaiString from 'chai-string'
+import { DeleteAccountErrorCode } from '../../src/generated/graphql'
+
+chai.use(chaiString)
+
+const deleteAccountRequest = async (authToken: string, userId: string) => {
+  const mutation = `
+  mutation {
+    deleteAccount(
+      input: {
+        userId: "${userId}",
+      }
+    ) {
+      ... on DeleteAccountSuccess {
+        userId
+      }
+      ... on DeleteAccountError {
+        errorCodes
+      }
+    }
+  }
+  `
+  return graphqlRequest(mutation, authToken).expect(200)
+}
+
+describe('the deleteAccount API', () => {
+  const username = 'fakeUser'
+  let authToken: string
+  let user: User
+
+  before(async () => {
+    // create test user and login
+    user = await createTestUser(username)
+    const res = await request
+      .post('/local/debug/fake-user-login')
+      .send({ fakeEmail: user.email })
+
+    authToken = res.body.authToken
+  })
+
+  context('deleting a user that exists', () => {
+    it('should return a unauthorized error if authToken is invalid', async () => {
+      const res = await deleteAccountRequest('invalid-auth-token', user.id)
+      expect(res.body.data.deleteAccount.errorCodes).to.contain(
+        DeleteAccountErrorCode.Unauthorized
+      )
+    })
+
+    it('should return the user id after a successful user deletion', async () => {
+      const res = await deleteAccountRequest(authToken, user.id)
+      expect(res.body.data.deleteAccount.userId).to.eql(user.id)
+    })
+  })
+
+  context('deleting a user that does not exist', () => {
+    it('should return a user not found error if user id is invalid', async () => {
+      const res = await deleteAccountRequest(authToken, 'invalid-user-id')
+      expect(res.body.data.deleteAccount.errorCodes).to.contain(
+        DeleteAccountErrorCode.UserNotFound
+      )
+    })
+  })
+})