contour envoy: Verify if hostPort does not exist

Check if the converted config does not contain the hostPort.

Signed-off-by: Suraj Deshmukh <suraj@kinvolk.io>

Author: surajssd

pkg/components/contour/component_test.go

@@ -15,6 +15,7 @@
 package contour
 
 import (
+	"strings"
 	"testing"
 
 	"github.com/kinvolk/lokomotive/pkg/components/internal/testutil"
@@ -129,3 +130,18 @@ func TestConversion(t *testing.T) {
 		})
 	}
 }
+
+func TestEnvoyHostPort(t *testing.T) {
+	t.Parallel()
+
+	componentCfg := `component "contour" {}`
+	expectedManifestName := testutil.ObjectMetadata{Version: "apps/v1", Kind: "DaemonSet", Name: "envoy"}
+
+	component := NewConfig()
+	m := testutil.RenderManifests(t, component, Name, componentCfg)
+	gotConfig := testutil.ConfigFromMap(t, m, expectedManifestName)
+
+	if strings.Contains(gotConfig, "hostPort") {
+		t.Fatalf("Did not expect to have hostPort, but the envoy Daemonset contains hostPort.")
+	}
+}