diff template test

aws · Jan 19, 2024 · 06cc799 · 06cc799
1 parent 9d94391
commit 06cc799
Showing 1 changed file with 36 additions and 0 deletions.
diff --git a/packages/@aws-cdk/cloudformation-diff/test/diff-template.test.ts b/packages/@aws-cdk/cloudformation-diff/test/diff-template.test.ts
@@ -1117,4 +1117,40 @@ describe('changeset', () => {
     });
     expect(differences.resources.differenceCount).toBe(1);
   });
+
+  test('imports are respected', async () => {
+    // GIVEN
+    const currentTemplate = {
+      Resources: {
+        BucketResource: {
+          Type: 'AWS::S3::Bucket',
+          BucketName: 'Foo',
+        },
+      },
+    };
+
+    // WHEN
+    const newTemplate = {
+      Resources: {
+        BucketResource: {
+          Type: 'AWS::S3::Bucket',
+          BucketName: 'Bar',
+        },
+      },
+    };
+
+    let differences = fullDiff(currentTemplate, newTemplate, {
+      Changes: [
+        {
+          Type: 'Resource',
+          ResourceChange: {
+            Action: 'Import',
+            LogicalResourceId: 'BucketResource',
+          },
+        },
+      ],
+    });
+    expect(differences.resources.differenceCount).toBe(1);
+    expect(differences.resources.get('BucketResource').changeImpact === ResourceImpact.WILL_IMPORT);
+  });
 });