test: check for sdk

Author: durran

test/integration/auth/mongodb_aws.test.ts

@@ -61,23 +61,32 @@ describe('MONGODB-AWS', function () {
     expect(result).to.be.a('number');
   });
 
-  it('authenticates with a user provided credentials provider', async function () {
-    // @ts-expect-error We intentionally access a protected variable.
-    const credentialProvider = AWSTemporaryCredentialProvider.awsSDK;
-    client = this.configuration.newClient(process.env.MONGODB_URI, {
-      authMechanismProperties: {
-        AWS_CREDENTIAL_PROVIDER: credentialProvider.fromNodeProviderChain()
+  context('when user supplies a credentials provider', function () {
+    beforeEach(function () {
+      if (!awsSdkPresent) {
+        this.skipReason = 'only relevant to AssumeRoleWithWebIdentity with SDK installed';
+        return this.skip();
       }
     });
 
-    const result = await client
-      .db('aws')
-      .collection('aws_test')
-      .estimatedDocumentCount()
-      .catch(error => error);
+    it('authenticates with a user provided credentials provider', async function () {
+      // @ts-expect-error We intentionally access a protected variable.
+      const credentialProvider = AWSTemporaryCredentialProvider.awsSDK;
+      client = this.configuration.newClient(process.env.MONGODB_URI, {
+        authMechanismProperties: {
+          AWS_CREDENTIAL_PROVIDER: credentialProvider.fromNodeProviderChain()
+        }
+      });
 
-    expect(result).to.not.be.instanceOf(MongoServerError);
-    expect(result).to.be.a('number');
+      const result = await client
+        .db('aws')
+        .collection('aws_test')
+        .estimatedDocumentCount()
+        .catch(error => error);
+
+      expect(result).to.not.be.instanceOf(MongoServerError);
+      expect(result).to.be.a('number');
+    });
   });
 
   it('should allow empty string in authMechanismProperties.AWS_SESSION_TOKEN to override AWS_SESSION_TOKEN environment variable', function () {