Includes mmctl into the mono-repo (#23091)

* Includes mmctl into the mono-repo

* Update to use the new public module paths

* Adds docs check to the mmctl CI

* Fix public utils import path

* Tidy up modules

* Fix linter

* Update CI tasks to use the new file structure

* Update CI references

server/cmd/mmctl/commands/integrity_test.go

@@ -0,0 +1,114 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package commands
+
+import (
+	"errors"
+
+	"github.com/hashicorp/go-multierror"
+
+	"github.com/mattermost/mattermost-server/server/v8/cmd/mmctl/printer"
+
+	"github.com/mattermost/mattermost-server/server/public/model"
+	"github.com/spf13/cobra"
+)
+
+func (s *MmctlUnitTestSuite) TestIntegrityCmd() {
+	s.Run("Integrity check succeeds", func() {
+		printer.Clean()
+		cmd := &cobra.Command{}
+		cmd.Flags().Bool("confirm", true, "")
+
+		mockData := model.RelationalIntegrityCheckData{
+			ParentName:   "parent",
+			ChildName:    "child",
+			ParentIdAttr: "parentIdAttr",
+			ChildIdAttr:  "childIdAttr",
+			Records: []model.OrphanedRecord{
+				{
+					ParentId: model.NewString("parentId"),
+					ChildId:  model.NewString("childId"),
+				},
+			},
+		}
+		mockResults := []model.IntegrityCheckResult{
+			{
+				Data: mockData,
+				Err:  nil,
+			},
+		}
+		s.client.
+			EXPECT().
+			CheckIntegrity().
+			Return(mockResults, &model.Response{}, nil).
+			Times(1)
+
+		err := integrityCmdF(s.client, cmd, []string{})
+		s.Require().Nil(err)
+		s.Require().Len(printer.GetLines(), 1)
+		s.Require().Len(printer.GetErrorLines(), 0)
+		s.Require().Equal(mockData, printer.GetLines()[0])
+	})
+
+	s.Run("Integrity check fails", func() {
+		printer.Clean()
+		cmd := &cobra.Command{}
+		cmd.Flags().Bool("confirm", true, "")
+
+		s.client.
+			EXPECT().
+			CheckIntegrity().
+			Return(nil, &model.Response{}, errors.New("mock error")).
+			Times(1)
+
+		err := integrityCmdF(s.client, cmd, []string{})
+		s.Require().NotNil(err)
+		s.Require().Len(printer.GetLines(), 0)
+		s.Require().Len(printer.GetErrorLines(), 0)
+		s.Require().Equal("unable to perform integrity check. Error: mock error", err.Error())
+	})
+
+	s.Run("Integrity check with errors", func() {
+		printer.Clean()
+		cmd := &cobra.Command{}
+		cmd.Flags().Bool("confirm", true, "")
+
+		mockData := model.RelationalIntegrityCheckData{
+			ParentName:   "parent",
+			ChildName:    "child",
+			ParentIdAttr: "parentIdAttr",
+			ChildIdAttr:  "childIdAttr",
+			Records: []model.OrphanedRecord{
+				{
+					ParentId: model.NewString("parentId"),
+					ChildId:  model.NewString("childId"),
+				},
+			},
+		}
+		mockResults := []model.IntegrityCheckResult{
+			{
+				Data: nil,
+				Err:  errors.New("test error"),
+			},
+			{
+				Data: mockData,
+				Err:  nil,
+			},
+		}
+		s.client.
+			EXPECT().
+			CheckIntegrity().
+			Return(mockResults, &model.Response{}, nil).
+			Times(1)
+		var expected error
+		expected = multierror.Append(expected, errors.New("test error"))
+
+		err := integrityCmdF(s.client, cmd, []string{})
+		s.Require().EqualError(err, expected.Error())
+		s.Require().Len(printer.GetLines(), 1)
+		s.Require().Len(printer.GetErrorLines(), 1)
+		s.Require().Equal(mockData, printer.GetLines()[0])
+		s.Require().Equal("test error", printer.GetErrorLines()[0])
+	})
+}