dex: Add test for deployment annotation hash

On every render helm template will generate the checksum which will be
different for unique config. Which in turn will regenerate pods for
deployment on config change.

pkg/components/dex/component_test.go

@@ -23,16 +23,14 @@ import (
 
 const name = "dex"
 
-//nolint:funlen
-func TestRenderManifest(t *testing.T) {
-	tests := []struct {
-		desc    string
-		hcl     string
-		wantErr bool
-	}{
-		{
-			desc: "Valid config",
-			hcl: `
+var tests = []struct {
+	desc    string
+	hcl     string
+	wantErr bool
+}{
+	{
+		desc: "first valid config",
+		hcl: `
 component "dex" {
   ingress_host = "foo"
   issuer_host  = "bar"
@@ -47,7 +45,7 @@ component "dex" {
       org {
         name = "kinvolk"
         teams = [
-          "lokomotive-developers",
+          "lokomotive-developers-1",
         ]
       }
     }
@@ -61,18 +59,51 @@ component "dex" {
   }
 }
 			`,
-		},
-		{
-			desc: "invalid config",
-			hcl: `
+	},
+	{
+		desc: "second valid config",
+		hcl: `
+component "dex" {
+  ingress_host = "foo"
+  issuer_host  = "bar"
+  connector "github" {
+    id   = "github"
+    name = "Github"
+    config {
+      client_id       = "clientid"
+      client_secret   = "clientsecret"
+      redirect_uri    = "redirecturi"
+      team_name_field = "slug"
+      org {
+        name = "kinvolk"
+        teams = [
+          "lokomotive-developers-2",
+        ]
+      }
+    }
+  }
+
+  static_client {
+    name          = "gangway"
+    id            = "gangway id"
+    secret        = "gangway secret"
+    redirect_uris = ["redirecturis"]
+  }
+}
+			`,
+	},
+	{
+		desc: "invalid config",
+		hcl: `
 component "dex" {
   ingress_host = "NodePort"
 }
 			`,
-			wantErr: true,
-		},
-	}
+		wantErr: true,
+	},
+}
 
+func TestRenderManifest(t *testing.T) {
 	for _, tc := range tests {
 		b, d := util.GetComponentBody(tc.hcl, name)
 		if d != nil {
@@ -104,3 +135,35 @@ component "dex" {
 		}
 	}
 }
+
+func TestConfigMapRendering(t *testing.T) {
+	deploymentArr := []string{}
+
+	for _, tc := range tests {
+		b, d := util.GetComponentBody(tc.hcl, name)
+		if d != nil {
+			t.Errorf("%s - Error getting component body: %v", tc.desc, d)
+		}
+
+		c, err := components.Get(name)
+		if err != nil {
+			t.Fatalf("failed getting component: %v", err)
+		}
+
+		d = c.LoadConfig(b, nil)
+		if !tc.wantErr && d.HasErrors() {
+			t.Errorf("%s - Valid config should not return error, got: %s", tc.desc, d)
+		}
+
+		m, err := c.RenderManifests()
+		if err != nil {
+			t.Errorf("%s - Rendering manifests with valid config should succeed, got: %s", tc.desc, err)
+		}
+
+		deploymentArr = append(deploymentArr, m["dex/templates/deployment.yaml"])
+	}
+
+	if deploymentArr[0] == deploymentArr[1] {
+		t.Errorf("expected checksum/configmap hash to be different.")
+	}
+}