test: Increase test coverage (#39)

* test: Increase test coverage

* Assert console.error on failed client.login test

* Remove redundant removeMember test

tests/bot.test.js

@@ -293,6 +293,21 @@ describe('bot', () => {
         expect(client.login).toHaveBeenCalledWith(process.env.FLUXER_BOT_TOKEN)
     })
 
+    test('login exits with code 1 if client.login fails', async () => {
+        // Arrange
+        let message = "client.login failed";
+        client.login = jest.fn().mockImplementation(() => { throw new Error(message) });
+        jest.spyOn(global.console, 'error').mockImplementation(() => {});
+        jest.spyOn(process, 'exit').mockImplementation(() => {});
+        // Act
+        await login();
+        // Assert
+        expect(console.error).toHaveBeenCalledTimes(1);
+        expect(console.error).toHaveBeenCalledWith('Login failed:', new Error(message));
+        expect(process.exit).toHaveBeenCalledTimes(1);
+        expect(process.exit).toHaveBeenCalledWith(1);
+    })
+
     afterEach(() => {
         // restore the spy created with spyOn
         jest.restoreAllMocks();

tests/helpers/memberHelper.test.js

@@ -67,6 +67,7 @@ describe('MemberHelper', () => {
         });
 
         test.each([
+            [[mockMember.name], null, null, undefined, false, mockMember.name],
             [[mockMember.name, '--help'], null, null, undefined, true, undefined],
             [['new', '--help'], null, null, 'new', true, '--help'],
             [['remove', '--help'], null, null, 'remove', true, '--help'],
@@ -474,6 +475,30 @@ describe('MemberHelper', () => {
         })
     })
 
+    describe('removeMember', () => {
+        test('if removeMember returns a positive number, return a success message', async () => {
+            // Arrange
+            memberRepo.removeMember.mockResolvedValue(1);
+            const expectedReturn = `Member "${mockMember.name}" has been deleted.`;
+            // Act
+            const res = await memberHelper.removeMember(authorId, mockMember.name);
+            // Assert
+            expect(memberRepo.removeMember).toHaveBeenCalledTimes(1);
+            expect(memberRepo.removeMember).toHaveBeenCalledWith(authorId, mockMember.name);
+            expect(res).toEqual(expectedReturn);
+        })
+
+        test('if removeMember returns a negative number, throw error', async () => {
+            // Arrange
+            memberRepo.removeMember.mockResolvedValue(-1);
+            // Act
+            expect(memberHelper.removeMember(authorId, mockMember.name)).rejects.toThrow(new Error(`${enums.err.NO_MEMBER}`));
+            // Assert
+            expect(memberRepo.removeMember).toHaveBeenCalledTimes(1);
+            expect(memberRepo.removeMember).toHaveBeenCalledWith(authorId, mockMember.name);
+        })
+    })
+
     describe('addFullMember', () => {
         test('calls getMemberByName', async () => {
             // Arrange
@@ -504,6 +529,29 @@ describe('MemberHelper', () => {
             expect(memberRepo.createMember).not.toHaveBeenCalled();
         })
 
+        test('if displayName is not filled out, call memberRepo.createMember with null value', async () => {
+            // Arrange
+            memberRepo.getMemberByName.mockResolvedValue();
+            const expectedMemberArgs = {
+                name: mockMember.name,
+                userid: authorId,
+                displayname: null,
+                proxy: null,
+                propic: null
+            }
+            memberRepo.createMember = jest.fn().mockResolvedValue(expectedMemberArgs);
+            const expectedReturn = {
+                member: expectedMemberArgs,
+                errors: [`Display name ${enums.err.NO_VALUE}. ${enums.err.SET_TO_NULL}`]
+            }
+            // Act
+            const res = await memberHelper.addFullMember(authorId, mockMember.name, "     ");
+            // Assert
+            expect(res).toEqual(expectedReturn);
+            expect(memberRepo.createMember).toHaveBeenCalledWith(expectedMemberArgs);
+            expect(memberRepo.createMember).toHaveBeenCalledTimes(1);
+        })
+
         test('if displayname is over 32 characters, call memberRepo.createMember with null value', async () => {
             // Arrange
             memberRepo.getMemberByName.mockResolvedValue();