add team exists endpoint for APIv4 (#5517)

api4/team_test.go

@@ -126,7 +126,7 @@ func TestGetAllTeams(t *testing.T) {
 	rrteams, resp := Client.GetAllTeams("", 1, 1)
 	CheckNoError(t, resp)
 
-	if (len(rrteams) != 1) {
+	if len(rrteams) != 1 {
 		t.Fatal("wrong number of teams - should be 1")
 	}
 
@@ -139,21 +139,21 @@ func TestGetAllTeams(t *testing.T) {
 	rrteams1, resp := Client.GetAllTeams("", 1, 0)
 	CheckNoError(t, resp)
 
-	if (len(rrteams1) != 0) {
+	if len(rrteams1) != 0 {
 		t.Fatal("wrong number of teams - should be 0")
 	}
 
 	rrteams2, resp := th.SystemAdminClient.GetAllTeams("", 1, 1)
 	CheckNoError(t, resp)
 
-	if (len(rrteams2) != 1) {
+	if len(rrteams2) != 1 {
 		t.Fatal("wrong number of teams - should be 1")
 	}
 
 	rrteams2, resp = Client.GetAllTeams("", 1, 0)
 	CheckNoError(t, resp)
 
-	if (len(rrteams2) != 0) {
+	if len(rrteams2) != 0 {
 		t.Fatal("wrong number of teams - should be 0")
 	}
 
@@ -493,4 +493,29 @@ func TestGetMyTeamsUnread(t *testing.T) {
 	Client.Logout()
 	_, resp = Client.GetTeamsUnreadForUser(user.Id, "")
 	CheckUnauthorizedStatus(t, resp)
-}
+}
+
+func TestTeamExists(t *testing.T) {
+	th := Setup().InitBasic().InitSystemAdmin()
+	defer TearDown()
+	Client := th.Client
+	team := th.BasicTeam
+
+	th.LoginBasic()
+
+	exists, resp := Client.TeamExists(team.Name, "")
+	CheckNoError(t, resp)
+	if exists != true {
+		t.Fatal("team should exist")
+	}
+
+	exists, resp = Client.TeamExists("testingteam", "")
+	CheckNoError(t, resp)
+	if exists != false {
+		t.Fatal("team should not exist")
+	}
+
+	Client.Logout()
+	_, resp = Client.TeamExists(team.Name, "")
+	CheckUnauthorizedStatus(t, resp)
+}