Added initial chat delete tests

test/api/v3/integration/chat/DELETE-chat_id.test.js

@@ -0,0 +1,81 @@
+import {
+  createAndPopulateGroup,
+  generateUser,
+  translate as t,
+} from '../../../../helpers/api-v3-integration.helper';
+import { v4 as generateUUID } from 'uuid';
+
+describe('DELETE /groups/:groupId/chat/:chatId', () => {
+  let groupWithChat, message, user, userThatDidNotCreateChat, admin;
+
+  before(async () => {
+    let { group, groupLeader } = await createAndPopulateGroup({
+      groupDetails: {
+        type: 'guild',
+        privacy: 'public',
+      },
+    });
+
+    groupWithChat = group;
+    user = groupLeader;
+    message = await user.post(`/groups/${groupWithChat._id}/chat`, { message: 'Some message' });
+    message = message.message;
+    userThatDidNotCreateChat = await generateUser();
+    admin = await generateUser({'contributor.admin': true});
+  });
+
+  context('Chat errors', () => {
+    it('returns an error is message does not exist', async () => {
+      let fakeChatId = generateUUID();
+      await expect(user.del(`/groups/${groupWithChat._id}/chat/${fakeChatId}`)).to.eventually.be.rejected.and.eql({
+        code: 404,
+        error: 'NotFound',
+        message: t('messageGroupChatNotFound'),
+      });
+    });
+
+    it('returns an error when user does not have permission to delete', async () => {
+      await expect(userThatDidNotCreateChat.del(`/groups/${groupWithChat._id}/chat/${message.id}`)).to.eventually.be.rejected.and.eql({
+        code: 401,
+        error: 'NotAuthorized',
+        message: t('onlyCreatorOrAdminCanDeleteChat'),
+      });
+    });
+  });
+
+  context('Chat success', () => {
+    let nextMessage;
+
+    beforeEach(async () => {
+      nextMessage = await user.post(`/groups/${groupWithChat._id}/chat`, { message: 'Some new message' });
+      nextMessage = nextMessage.message;
+    });
+
+    it('allows creator to delete a their message', async () => {
+      await user.del(`/groups/${groupWithChat._id}/chat/${nextMessage.id}`);
+      let messages = await user.get(`/groups/${groupWithChat._id}/chat/`);
+      expect(messages).is.an('array');
+      expect(messages).to.not.include(nextMessage);
+    });
+
+    it('allows admin to delete another user\'s message', async () => {
+      await admin.del(`/groups/${groupWithChat._id}/chat/${nextMessage.id}`);
+      let messages = await user.get(`/groups/${groupWithChat._id}/chat/`);
+      expect(messages).is.an('array');
+      expect(messages).to.not.include(nextMessage);
+    });
+
+    it('returns empty when previous message parameter is passed and the last message was deleted', async () => {
+      await expect(user.del(`/groups/${groupWithChat._id}/chat/${nextMessage.id}?previousMsg=${nextMessage.id}`))
+        .to.eventually.be.empty;
+    });
+
+    it('returns the update chat when previous message parameter is passed and the chat is updated', async () => {
+      await expect(user.del(`/groups/${groupWithChat._id}/chat/${nextMessage.id}?previousMsg=${message.id}`))
+        .eventually
+        .is.an('array')
+        .to.include(message)
+        .to.be.lengthOf(1);
+    });
+  });
+});