chore(test): add unit test (#753)

* feat(test): add unit test

* feat(test): add unit test

* feat(test): add unit test

* chore(test): fix code review

* chore(test): fix code review

* chore(test): fix code review

* chore(test): fix code review

* feat(test): add unit test

* chore(test): add header

pkg/util/env/env_test.go

@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 env
+
+import (
+	"os"
+	"testing"
+)
+
+import (
+	"github.com/stretchr/testify/assert"
+)
+
+import (
+	"github.com/arana-db/arana/pkg/constants"
+)
+
+func TestIsDevelopEnvironment(t *testing.T) {
+	// Test case 1: Environment variable is set to "1"
+	os.Setenv(constants.EnvDevelopEnvironment, "1")
+	isDev := IsDevelopEnvironment()
+	assert.True(t, isDev)
+	os.Unsetenv(constants.EnvDevelopEnvironment)
+
+	// Test case 2: Environment variable is set to "yes"
+	os.Setenv(constants.EnvDevelopEnvironment, "yes")
+	isDev = IsDevelopEnvironment()
+	assert.True(t, isDev)
+	os.Unsetenv(constants.EnvDevelopEnvironment)
+
+	// Test case 3: Environment variable is set to "on"
+	os.Setenv(constants.EnvDevelopEnvironment, "on")
+	isDev = IsDevelopEnvironment()
+	assert.True(t, isDev)
+	os.Unsetenv(constants.EnvDevelopEnvironment)
+
+	// Test case 4: Environment variable is set to "true"
+	os.Setenv(constants.EnvDevelopEnvironment, "true")
+	isDev = IsDevelopEnvironment()
+	assert.True(t, isDev)
+	os.Unsetenv(constants.EnvDevelopEnvironment)
+
+	// Test case 5: Environment variable is set to any other value
+	//os.Setenv(constants.EnvDevelopEnvironment, "false")
+	//isDev = IsDevelopEnvironment()
+	//if isDev {
+	//	t.Errorf("Expected IsDevelopEnvironment() to return false, but got true")
+	//}
+}

pkg/util/file/file_test.go

@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 file
+
+import (
+	"testing"
+)
+
+import (
+	"github.com/stretchr/testify/assert"
+)
+
+func TestIsYaml(t *testing.T) {
+	// Test with a valid YAML file
+	path := "example.yaml"
+	result := IsYaml(path)
+	assert.True(t, result)
+
+	// Test with a valid YML file
+	path = "example.yml"
+	result = IsYaml(path)
+	assert.True(t, result)
+
+	// Test with an invalid file extension
+	path = "example.txt"
+	result = IsYaml(path)
+	assert.False(t, result)
+}

pkg/util/identity/identity_test.go

@@ -0,0 +1,57 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 identity
+
+import (
+	"os"
+	"testing"
+)
+
+import (
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetNodeIdentity(t *testing.T) {
+	// Test case 1: Testing when AranaNodeId is set
+	expectedNodeId := "some-node-id"
+	os.Setenv("ARANA_NODE_ID", expectedNodeId)
+	assert.Equal(t, expectedNodeId, GetNodeIdentity())
+	os.Unsetenv("ARANA_NODE_ID")
+
+	// Test case 2: Testing when PodName is set
+	expectedPodName := "some-pod-name"
+	os.Setenv("POD_NAME", expectedPodName)
+	assert.Equal(t, expectedPodName, GetNodeIdentity())
+	os.Unsetenv("POD_NAME")
+
+	// Test case 3: Testing when neither AranaNodeId nor PodName is set
+	//expectedIP := "some-ip"
+	//net.FindSelfIP = func() (string, error) {
+	//	return expectedIP, nil
+	//}
+	//assert.Equal(t, expectedIP, GetNodeIdentity())
+	//net.FindSelfIP = nil
+
+	// Test case 4: Testing when all values are empty
+	//expectedUUID := "some-uuid"
+	//uuid.NewString = func() string {
+	//	return expectedUUID
+	//}
+	//assert.Equal(t, expectedUUID, GetNodeIdentity())
+	//uuid.NewString = nil
+}