Add unittest for env

Signed-off-by: mehabhalodiya <mehabhalodiya@gmail.com>

controllers/argocd/util_test.go

@@ -30,6 +30,12 @@ const (
 	redisHAProxyTestImage = "testing/redis-ha-haproxy:latest-ha"
 )
 
+func setEnv(e []v1.EnvVar) argoCDOpt {
+	return func(a *argoproj.ArgoCD) {
+		a.Spec.Controller.Env = e
+	}
+}
+
 var imageTests = []struct {
 	name      string
 	pre       func(t *testing.T)
@@ -542,6 +548,33 @@ func TestGetArgoApplicationControllerCommand(t *testing.T) {
 	}
 }
 
+func TestGetArgoApplicationEnv(t *testing.T) {
+
+	validEnv := []v1.EnvVar{
+		v1.EnvVar{Name: "HOME", Value: "/home/argocd", ValueFrom: (*v1.EnvVarSource)(nil)}}
+
+	cmdTests := []struct {
+		name string
+		opts []argoCDOpt
+		want []v1.EnvVar
+	}{
+		{
+			"configured setenv to test",
+			[]argoCDOpt{setEnv(validEnv)},
+			validEnv,
+		},
+	}
+
+	for _, tt := range cmdTests {
+		cr := makeTestArgoCD(tt.opts...)
+		env := getArgoControllerContainerEnv(cr)
+
+		if !reflect.DeepEqual(env, tt.want) {
+			t.Fatalf("got %#v, want %#v", env, tt.want)
+		}
+	}
+}
+
 func TestDeleteRBACsForNamespace(t *testing.T) {
 	a := makeTestArgoCD()
 	testClient := testclient.NewSimpleClientset()