resource asyaml test:

api/resource/resource_test.go

@@ -43,18 +43,54 @@ var testDeployment = factory.FromMap(
 
 const deploymentAsString = `{"apiVersion":"apps/v1","kind":"Deployment","metadata":{"name":"pooh"}}`
 
+var testConfigMapNumericNs = factory.FromMap(
+	map[string]interface{}{
+		"apiVersion": "v1",
+		"kind":       "ConfigMap",
+		"metadata": map[string]interface{}{
+			"name":      "winnie",
+			"namespace": "01234",
+		},
+	})
+
+//nolint:gosec
+const configMapNumericNsAsString = `{"apiVersion":"v1","kind":"ConfigMap","metadata":{"name":"winnie","namespace":"01234"}}`
+
 func TestAsYAML(t *testing.T) {
-	expected := `apiVersion: apps/v1
+	expectedDeployment := `apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: pooh
 `
-	yaml, err := testDeployment.AsYAML()
-	if err != nil {
-		t.Fatal(err)
+	expectedConfigMapNumericNs := `apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: winnie
+  namespace: "01234"
+`
+
+	tests := []struct {
+		in *Resource
+		s  string
+	}{
+		{
+			in: testDeployment,
+			s:  expectedDeployment,
+		},
+		{
+			in: testConfigMapNumericNs,
+			s:  expectedConfigMapNumericNs,
+		},
 	}
-	if string(yaml) != expected {
-		t.Fatalf("--- expected\n%s\n--- got\n%s\n", expected, string(yaml))
+
+	for _, test := range tests {
+		yaml, err := test.in.AsYAML()
+		if err != nil {
+			t.Fatal(err)
+		}
+		if string(yaml) != test.s {
+			t.Fatalf("--- expected\n%s\n--- got\n%s\n", test.s, string(yaml))
+		}
 	}
 }
 
@@ -71,6 +107,10 @@ func TestResourceString(t *testing.T) {
 			in: testDeployment,
 			s:  deploymentAsString,
 		},
+		{
+			in: testConfigMapNumericNs,
+			s:  configMapNumericNsAsString,
+		},
 	}
 	for _, test := range tests {
 		assert.Equal(t, test.in.String(), test.s)