Add unit test for record.go

pkg/record/record_test.go

@@ -0,0 +1,188 @@
+/*
+Copyright 2023 The Kubernetes 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 record
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	cgrecord "k8s.io/client-go/tools/record"
+)
+
+type fakeObject struct {
+}
+
+func (f *fakeObject) GetObjectKind() schema.ObjectKind {
+	return schema.EmptyObjectKind
+}
+
+func (f *fakeObject) DeepCopyObject() runtime.Object {
+	return f
+}
+
+func TestEvent(t *testing.T) {
+	testCases := []struct {
+		name          string
+		object        runtime.Object
+		reason        string
+		message       string
+		expectedEvent string
+	}{
+		{
+			name:          "format reason",
+			object:        &fakeObject{},
+			reason:        "reason",
+			message:       "message",
+			expectedEvent: "Normal Reason message",
+		},
+		{
+			name:          "format long reason",
+			object:        &fakeObject{},
+			reason:        "this is a very long reason",
+			message:       "message",
+			expectedEvent: "Normal This Is A Very Long Reason message",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			recorder := defaultRecorder.(*cgrecord.FakeRecorder)
+			recorder.Events = make(chan string, 1)
+
+			Event(tc.object, tc.reason, tc.message)
+
+			require.Equal(t, tc.expectedEvent, <-recorder.Events)
+		})
+	}
+}
+
+func TestEventf(t *testing.T) {
+	testCases := []struct {
+		name          string
+		object        runtime.Object
+		reason        string
+		message       string
+		args          []interface{}
+		expectedEvent string
+	}{
+		{
+			name:          "format reason",
+			object:        &fakeObject{},
+			reason:        "reason",
+			message:       "message %s",
+			args:          []interface{}{"arg1"},
+			expectedEvent: "Normal Reason message arg1",
+		},
+		{
+			name:          "format long reason",
+			object:        &fakeObject{},
+			reason:        "this is a very long reason",
+			message:       "message %s",
+			args:          []interface{}{"arg1"},
+			expectedEvent: "Normal This Is A Very Long Reason message arg1",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			recorder := defaultRecorder.(*cgrecord.FakeRecorder)
+			recorder.Events = make(chan string, 1)
+
+			Eventf(tc.object, tc.reason, tc.message, tc.args...)
+
+			require.Equal(t, tc.expectedEvent, <-recorder.Events)
+		})
+	}
+}
+
+func TestWarn(t *testing.T) {
+	testCases := []struct {
+		name          string
+		object        runtime.Object
+		reason        string
+		message       string
+		expectedEvent string
+	}{
+		{
+			name:          "format reason",
+			object:        &fakeObject{},
+			reason:        "reason",
+			message:       "message",
+			expectedEvent: "Warning Reason message",
+		},
+		{
+			name:          "format long reason",
+			object:        &fakeObject{},
+			reason:        "this is a very long reason",
+			message:       "message",
+			expectedEvent: "Warning This Is A Very Long Reason message",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			recorder := defaultRecorder.(*cgrecord.FakeRecorder)
+			recorder.Events = make(chan string, 1)
+
+			Warn(tc.object, tc.reason, tc.message)
+
+			require.Equal(t, tc.expectedEvent, <-recorder.Events)
+		})
+	}
+}
+
+func TestWarnf(t *testing.T) {
+	testCases := []struct {
+		name          string
+		object        runtime.Object
+		reason        string
+		message       string
+		args          []interface{}
+		expectedEvent string
+	}{
+		{
+			name:          "format reason",
+			object:        &fakeObject{},
+			reason:        "reason",
+			message:       "message %s",
+			args:          []interface{}{"arg1"},
+			expectedEvent: "Warning Reason message arg1",
+		},
+		{
+			name:          "format long reason",
+			object:        &fakeObject{},
+			reason:        "this is a very long reason",
+			message:       "message %s",
+			args:          []interface{}{"arg1"},
+			expectedEvent: "Warning This Is A Very Long Reason message arg1",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			recorder := defaultRecorder.(*cgrecord.FakeRecorder)
+			recorder.Events = make(chan string, 1)
+
+			Warnf(tc.object, tc.reason, tc.message, tc.args...)
+
+			require.Equal(t, tc.expectedEvent, <-recorder.Events)
+		})
+	}
+}