diff --git a/pkg/apis/serving/v1alpha1/domainmapping_lifecycle_test.go b/pkg/apis/serving/v1alpha1/domainmapping_lifecycle_test.go
new file mode 100644
index 000000000000..bd3def6c91a1
--- /dev/null
+++ b/pkg/apis/serving/v1alpha1/domainmapping_lifecycle_test.go
@@ -0,0 +1,65 @@
+/*
+Copyright 2020 The Knative Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1alpha1
+
+import (
+	"testing"
+
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"knative.dev/pkg/apis"
+	"knative.dev/pkg/apis/duck"
+	duckv1 "knative.dev/pkg/apis/duck/v1"
+)
+
+func TestDomainMappingDuckTypes(t *testing.T) {
+	tests := []struct {
+		name string
+		t    duck.Implementable
+	}{{
+		name: "conditions",
+		t:    &duckv1.Conditions{},
+	}}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			err := duck.VerifyType(&DomainMapping{}, test.t)
+			if err != nil {
+				t.Errorf("VerifyType(DomainMapping, %T) = %v", test.t, err)
+			}
+		})
+	}
+}
+
+func TestDomainMappingGetConditionSet(t *testing.T) {
+	r := &DomainMapping{}
+
+	if got, want := r.GetConditionSet().GetTopLevelConditionType(), apis.ConditionReady; got != want {
+		t.Errorf("GetTopLevelCondition=%v, want=%v", got, want)
+	}
+}
+
+func TestDomainMappingGetGroupVersionKind(t *testing.T) {
+	r := &DomainMapping{}
+	want := schema.GroupVersionKind{
+		Group:   "serving.knative.dev",
+		Version: "v1alpha1",
+		Kind:    "DomainMapping",
+	}
+	if got := r.GetGroupVersionKind(); got != want {
+		t.Errorf("got: %v, want: %v", got, want)
+	}
+}
diff --git a/pkg/apis/serving/v1alpha1/domainmapping_types_test.go b/pkg/apis/serving/v1alpha1/domainmapping_types_test.go
new file mode 100644
index 000000000000..8e75105e1c23
--- /dev/null
+++ b/pkg/apis/serving/v1alpha1/domainmapping_types_test.go
@@ -0,0 +1,37 @@
+/*
+Copyright 2020 The Knative Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1alpha1
+
+import (
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	duckv1 "knative.dev/pkg/apis/duck/v1"
+)
+
+func TestDomainMappingGetStatus(t *testing.T) {
+	status := &duckv1.Status{}
+	config := DomainMapping{
+		Status: DomainMappingStatus{
+			Status: *status,
+		},
+	}
+
+	if !cmp.Equal(config.GetStatus(), status) {
+		t.Errorf("GetStatus did not retrieve status. Got=%v Want=%v", config.GetStatus(), status)
+	}
+}