Print & Return errors using multierror if an error happens (#26625)

* Print & Return errors using multierror if an error happens

* Group up errors assertion in test

* Remove trailing newspace

* Remove WrappedErrors loop

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

server/cmd/mmctl/commands/channel.go

@@ -368,18 +368,24 @@ func unarchiveChannelsCmdF(c client.Client, cmd *cobra.Command, args []string) e
 		return errors.New("enter at least one channel")
 	}
 
+	var errs *multierror.Error
+
 	channels := getChannelsFromChannelArgs(c, args)
 	for i, channel := range channels {
 		if channel == nil {
-			printer.PrintError("Unable to find channel '" + args[i] + "'")
+			msg := "Unable to find channel '" + args[i] + "'"
+			printer.PrintError(msg)
+			errs = multierror.Append(errs, errors.New(msg))
 			continue
 		}
 		if _, _, err := c.RestoreChannel(context.TODO(), channel.Id); err != nil {
-			printer.PrintError("Unable to unarchive channel '" + args[i] + "'. Error: " + err.Error())
+			msg := "Unable to unarchive channel '" + args[i] + "'. Error: " + err.Error()
+			printer.PrintError(msg)
+			errs = multierror.Append(errs, errors.New(msg))
 		}
 	}
 
-	return nil
+	return errs.ErrorOrNil()
 }
 
 func makeChannelPrivateCmdF(c client.Client, cmd *cobra.Command, args []string) error {

server/cmd/mmctl/commands/channel_e2e_test.go

@@ -291,8 +291,9 @@ func (s *MmctlE2ETestSuite) TestUnarchiveChannelsCmdF() {
 		printer.Clean()
 
 		err := unarchiveChannelsCmdF(s.th.Client, &cobra.Command{}, []string{fmt.Sprintf("%s:%s", s.th.BasicTeam.Id, s.th.BasicDeletedChannel.Name)})
-		s.Require().Nil(err)
-		s.Require().Contains(printer.GetErrorLines()[0], fmt.Sprintf("Unable to unarchive channel '%s:%s'", s.th.BasicTeam.Id, s.th.BasicDeletedChannel.Name))
+		expectedError := fmt.Sprintf("Unable to unarchive channel '%s:%s'", s.th.BasicTeam.Id, s.th.BasicDeletedChannel.Name)
+		s.Require().ErrorContains(err, expectedError)
+		s.Require().Contains(printer.GetErrorLines()[0], expectedError)
 		s.Require().Contains(printer.GetErrorLines()[0], "You do not have the appropriate permissions.")
 	})
 
@@ -300,16 +301,18 @@ func (s *MmctlE2ETestSuite) TestUnarchiveChannelsCmdF() {
 		printer.Clean()
 
 		err := unarchiveChannelsCmdF(c, &cobra.Command{}, []string{fmt.Sprintf("%s:%s", s.th.BasicTeam.Id, "nonexistent-channel")})
-		s.Require().Nil(err)
-		s.Require().Contains(printer.GetErrorLines()[0], fmt.Sprintf("Unable to find channel '%s:%s'", s.th.BasicTeam.Id, "nonexistent-channel"))
+		expectedError := fmt.Sprintf("Unable to find channel '%s:%s'", s.th.BasicTeam.Id, "nonexistent-channel")
+		s.Require().ErrorContains(err, expectedError)
+		s.Require().Contains(printer.GetErrorLines()[0], expectedError)
 	})
 
 	s.Run("Unarchive open channel", func() {
 		printer.Clean()
 
 		err := unarchiveChannelsCmdF(s.th.SystemAdminClient, &cobra.Command{}, []string{fmt.Sprintf("%s:%s", s.th.BasicTeam.Id, s.th.BasicChannel.Name)})
-		s.Require().Nil(err)
-		s.Require().Contains(printer.GetErrorLines()[0], fmt.Sprintf("Unable to unarchive channel '%s:%s'", s.th.BasicTeam.Id, s.th.BasicChannel.Name))
+		expectedError := fmt.Sprintf("Unable to unarchive channel '%s:%s'", s.th.BasicTeam.Id, s.th.BasicChannel.Name)
+		s.Require().ErrorContains(err, expectedError)
+		s.Require().Contains(printer.GetErrorLines()[0], expectedError)
 		s.Require().Contains(printer.GetErrorLines()[0], "Unable to unarchive channel. The channel is not archived.")
 	})
 }

server/cmd/mmctl/commands/channel_test.go

@@ -1783,13 +1783,13 @@ func (s *MmctlUnitTestSuite) TestUnarchiveChannelCmdF() {
 			Times(1)
 
 		err := unarchiveChannelsCmdF(s.client, cmd, args)
-		s.Require().Nil(err)
+		expectedError := fmt.Sprintf("Unable to find channel '%s'", args[0])
+
+		s.Require().ErrorContains(err, expectedError)
+		s.Require().Equal(expectedError, printer.GetErrorLines()[0])
+
 		s.Require().Len(printer.GetLines(), 0)
 		s.Require().Len(printer.GetErrorLines(), 1)
-
-		actual := printer.GetErrorLines()[0]
-		expected := fmt.Sprintf("Unable to find channel '%s'", args[0])
-		s.Require().Equal(expected, actual)
 	})
 
 	s.Run("Fail to unarchive a non-existing channel on an existent team", func() {
@@ -1821,13 +1821,13 @@ func (s *MmctlUnitTestSuite) TestUnarchiveChannelCmdF() {
 			Times(1)
 
 		err := unarchiveChannelsCmdF(s.client, cmd, args)
-		s.Require().Nil(err)
+		expectedError := fmt.Sprintf("Unable to find channel '%s'", args[0])
+
+		s.Require().ErrorContains(err, expectedError)
+		s.Require().Equal(expectedError, printer.GetErrorLines()[0])
+
 		s.Require().Len(printer.GetLines(), 0)
 		s.Require().Len(printer.GetErrorLines(), 1)
-
-		actual := printer.GetErrorLines()[0]
-		expected := fmt.Sprintf("Unable to find channel '%s'", args[0])
-		s.Require().Equal(expected, actual)
 	})
 
 	s.Run("Fail to unarchive a non-existing channel", func() {
@@ -1844,13 +1844,13 @@ func (s *MmctlUnitTestSuite) TestUnarchiveChannelCmdF() {
 			Times(1)
 
 		err := unarchiveChannelsCmdF(s.client, cmd, args)
-		s.Require().Nil(err)
+		expectedError := fmt.Sprintf("Unable to find channel '%s'", args[0])
+
+		s.Require().ErrorContains(err, expectedError)
+		s.Require().Equal(expectedError, printer.GetErrorLines()[0])
+
 		s.Require().Len(printer.GetLines(), 0)
 		s.Require().Len(printer.GetErrorLines(), 1)
-
-		actual := printer.GetErrorLines()[0]
-		expected := fmt.Sprintf("Unable to find channel '%s'", args[0])
-		s.Require().Equal(expected, actual)
 	})
 
 	s.Run("Fail to unarchive an existing channel when client throws error", func() {
@@ -1875,13 +1875,13 @@ func (s *MmctlUnitTestSuite) TestUnarchiveChannelCmdF() {
 			Times(1)
 
 		err := unarchiveChannelsCmdF(s.client, cmd, args)
-		s.Require().Nil(err)
+		expectedError := fmt.Sprintf("Unable to unarchive channel '%s'. Error: %s", channelName, mockErr.Error())
+
+		s.Require().ErrorContains(err, expectedError)
+		s.Require().Equal(expectedError, printer.GetErrorLines()[0])
+
 		s.Require().Len(printer.GetLines(), 0)
 		s.Require().Len(printer.GetErrorLines(), 1)
-
-		actual := printer.GetErrorLines()[0]
-		expected := fmt.Sprintf("Unable to unarchive channel '%s'. Error: %s", channelName, mockErr.Error())
-		s.Require().Equal(expected, actual)
 	})
 
 	s.Run("Fail to unarchive when team and channel not provided", func() {
@@ -1891,13 +1891,13 @@ func (s *MmctlUnitTestSuite) TestUnarchiveChannelCmdF() {
 		args := []string{":"}
 
 		err := unarchiveChannelsCmdF(s.client, cmd, args)
-		s.Require().Nil(err)
+		expectedError := fmt.Sprintf("Unable to find channel '%s'", args[0])
+
+		s.Require().ErrorContains(err, expectedError)
+		s.Require().Equal(expectedError, printer.GetErrorLines()[0])
+
 		s.Require().Len(printer.GetLines(), 0)
 		s.Require().Len(printer.GetErrorLines(), 1)
-
-		actual := printer.GetErrorLines()[0]
-		expected := fmt.Sprintf("Unable to find channel '%s'", args[0])
-		s.Require().Equal(expected, actual)
 	})
 }