test(test-v4-v5): create test for ATTR_DB_OPERATION_BATCH_SIZE

Author: adbista

packages/instrumentation-redis/test/v4-v5/redis.test.ts

@@ -52,6 +52,7 @@ import {
   ATTR_SERVER_ADDRESS,
   ATTR_SERVER_PORT,
   ATTR_EXCEPTION_MESSAGE,
+  ATTR_DB_OPERATION_BATCH_SIZE,
 } from '@opentelemetry/semantic-conventions';
 import { RedisResponseCustomAttributeFunction } from '../../src/types';
 import { hrTimeToMilliseconds, suppressTracing } from '@opentelemetry/core';
@@ -622,6 +623,28 @@ describe('redis v4-v5', () => {
     });
   });
 
+  describe('extra coverage batch size and URL sanitization', () => {
+    const stableCfg = { semconvStability: SemconvStability.STABLE };
+
+    afterEach(() => {
+      instrumentation.setConfig({});
+    });
+
+    it('should set ATTR_DB_OPERATION_BATCH_SIZE when multi has 3 commands', async () => {
+      instrumentation.setConfig(stableCfg);
+      const multi = client.multi();
+      multi.set('covKey1', 'v1');
+      multi.get('covKey1');
+      multi.set('covKey2', 'v2');
+      await multi.exec();
+
+      const spanWithBatch = getTestSpans().find(
+        s => s.attributes[ATTR_DB_OPERATION_BATCH_SIZE] === 3
+      );
+      assert.ok(spanWithBatch, 'No span had batch size 3');
+    });
+  });
+
   describe('config', () => {
     describe('dbStatementSerializer', () => {
       it('custom dbStatementSerializer', async () => {