[feat] add test

Author: mikatong

.gitignore

@@ -16,4 +16,5 @@ terraform.tfstate
 terraform.tfstate.backup
 terraform.tfstate.lock.info
 dist/
-gendoc/gendoc
+gendoc/gendoc
+.vscode/

tencentcloud/resource_tc_clb_instance_topic_test.go

@@ -0,0 +1,63 @@
+package tencentcloud
+
+import (
+	"context"
+	"fmt"
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
+	"github.com/hashicorp/terraform-plugin-sdk/terraform"
+)
+
+func TestAccTencentCloudClbInstanceTopic(t *testing.T) {
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckClbListenerRuleDestroy,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccClbInstanceTopic,
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckClbInstanceTopicExists("tencentcloud_clb_instances_topic.topic"),
+					resource.TestCheckResourceAttr("tencentcloud_clb_instances_topic.topic", "topic_name", "clb-topic-test"),
+					resource.TestCheckResourceAttr("tencentcloud_clb_instances_topic.topic", "partition_count", "3"),
+				),
+			},
+		},
+	})
+}
+
+func testAccCheckClbInstanceTopicExists(n string) resource.TestCheckFunc {
+	return func(s *terraform.State) error {
+		logId := getLogId(contextNil)
+		ctx := context.WithValue(context.TODO(), logIdKey, logId)
+
+		rs, ok := s.RootModule().Resources[n]
+		if !ok {
+			return fmt.Errorf("[CHECK][CLB topic][Exists] check: CLB topic %s is not found", n)
+		}
+		if rs.Primary.ID == "" {
+			return fmt.Errorf("[CHECK][CLB topic][Exists] check: CLB topic id is not set")
+		}
+		clsService := ClsService{
+			client: testAccProvider.Meta().(*TencentCloudClient).apiV3Conn,
+		}
+		topicName := rs.Primary.Attributes["topic_name"]
+		instance, err := clsService.DeleteTopicsByTopicName(ctx, topicName)
+		if err != nil {
+			return err
+		}
+		if instance == nil {
+			return fmt.Errorf("[CHECK][CLB topic][Exists] id %s is not exist", rs.Primary.ID)
+		}
+		return nil
+	}
+}
+
+const testAccClbInstanceTopic = `
+resource "tencentcloud_clb_instances_topic" "topic" {
+    topic_name="clb-topic-test"
+    partition_count=3
+}
+`