Lint and add a true test case.

Author: onurtemizkan

plugins/node/opentelemetry-instrumentation-mongodb/src/instrumentation.ts

@@ -449,7 +449,8 @@ export class MongoDBInstrumentation extends InstrumentationBase<MongoDBInstrumen
 
         const hasNoParentSpan = currentSpan === undefined;
         const requireParentSpan = instrumentation.getConfig().requireParentSpan;
-        const skipInstrumentation = requireParentSpan === true && hasNoParentSpan;
+        const skipInstrumentation =
+          requireParentSpan === true && hasNoParentSpan;
 
         const resultHandler =
           typeof options === 'function' ? options : callback;
@@ -506,7 +507,8 @@ export class MongoDBInstrumentation extends InstrumentationBase<MongoDBInstrumen
 
         const hasNoParentSpan = currentSpan === undefined;
         const requireParentSpan = instrumentation.getConfig().requireParentSpan;
-        const skipInstrumentation = requireParentSpan === true && hasNoParentSpan;
+        const skipInstrumentation =
+          requireParentSpan === true && hasNoParentSpan;
 
         const resultHandler =
           typeof options === 'function' ? options : callback;
@@ -655,7 +657,8 @@ export class MongoDBInstrumentation extends InstrumentationBase<MongoDBInstrumen
 
         const hasNoParentSpan = currentSpan === undefined;
         const requireParentSpan = instrumentation.getConfig().requireParentSpan;
-        const skipInstrumentation = requireParentSpan === true && hasNoParentSpan;
+        const skipInstrumentation =
+          requireParentSpan === true && hasNoParentSpan;
 
         const resultHandler =
           typeof options === 'function' ? options : callback;
@@ -725,7 +728,8 @@ export class MongoDBInstrumentation extends InstrumentationBase<MongoDBInstrumen
 
         const hasNoParentSpan = currentSpan === undefined;
         const requireParentSpan = instrumentation.getConfig().requireParentSpan;
-        const skipInstrumentation = requireParentSpan === true && hasNoParentSpan;
+        const skipInstrumentation =
+          requireParentSpan === true && hasNoParentSpan;
 
         const resultHandler =
           typeof options === 'function' ? options : callback;

plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v5-v6.test.ts

@@ -653,6 +653,22 @@ describe('MongoDBInstrumentation-Tracing-v5', () => {
   });
 
   describe('requireParentSpan', () => {
+    it('should not create spans without parent span when requireParentSpan is explicitly set to true', done => {
+      create({
+        requireParentSpan: true,
+      });
+
+      collection
+        .insertOne({ a: 1 })
+        .then(() => {
+          assert.strictEqual(getTestSpans().length, 0);
+          done();
+        })
+        .catch(err => {
+          done(err);
+        });
+    });
+
     it('should create spans without parent span when requireParentSpan is false', done => {
       create({
         requireParentSpan: false,
@@ -669,7 +685,7 @@ describe('MongoDBInstrumentation-Tracing-v5', () => {
         });
     });
 
-    it('should not create spans without parent span when requireParentSpan is set to false by setConfig', done => {
+    it('should create spans without parent span when requireParentSpan is set to false by setConfig', done => {
       create();
 
       instrumentation.setConfig({
@@ -686,7 +702,7 @@ describe('MongoDBInstrumentation-Tracing-v5', () => {
           done(err);
         });
     });
-  })
+  });
 
   /** Should intercept command */
   describe('Removing Instrumentation', () => {