Add list command to teams command in CLI (#8612)

* Add list command to teams command in CLI

* Using App instead of Store to get the teams

cmd/commands/team.go

@@ -52,6 +52,14 @@ Permanently deletes a team along with all related information including posts fr
 	RunE:    deleteTeamsCmdF,
 }
 
+var ListTeamsCmd = &cobra.Command{
+	Use:     "list",
+	Short:   "List all teams.",
+	Long:    `List all teams on the server.`,
+	Example: "  team list",
+	RunE:    listTeamsCmdF,
+}
+
 func init() {
 	TeamCreateCmd.Flags().String("name", "", "Team Name")
 	TeamCreateCmd.Flags().String("display_name", "", "Team Display Name")
@@ -65,6 +73,7 @@ func init() {
 		RemoveUsersCmd,
 		AddUsersCmd,
 		DeleteTeamsCmd,
+		ListTeamsCmd,
 	)
 	cmd.RootCmd.AddCommand(TeamCmd)
 }
@@ -216,3 +225,21 @@ func deleteTeamsCmdF(command *cobra.Command, args []string) error {
 func deleteTeam(a *app.App, team *model.Team) *model.AppError {
 	return a.PermanentDeleteTeam(team)
 }
+
+func listTeamsCmdF(command *cobra.Command, args []string) error {
+	a, err := cmd.InitDBCommandContextCobra(command)
+	if err != nil {
+		return err
+	}
+
+	teams, err2 := a.GetAllTeams()
+	if err2 != nil {
+		return err2
+	}
+
+	for _, team := range teams {
+		cmd.CommandPrettyPrintln(team.Name)
+	}
+
+	return nil
+}

cmd/commands/team_test.go

@@ -4,6 +4,7 @@
 package commands
 
 import (
+	"strings"
 	"testing"
 
 	"github.com/mattermost/mattermost-server/api"
@@ -78,3 +79,20 @@ func TestLeaveTeam(t *testing.T) {
 		}
 	}
 }
+
+func TestListTeams(t *testing.T) {
+	th := api.Setup().InitBasic()
+	defer th.TearDown()
+
+	id := model.NewId()
+	name := "name" + id
+	displayName := "Name " + id
+
+	cmd.CheckCommand(t, "team", "create", "--name", name, "--display_name", displayName)
+
+	output := cmd.CheckCommand(t, "team", "list", th.BasicTeam.Name, th.BasicUser.Email)
+
+	if !strings.Contains(string(output), name) {
+		t.Fatal("should have the created team")
+	}
+}