Fix for spulec/moto#1698 - ECR list_images missing RepositoryNotFoundException

moto/ecr/models.py

@@ -200,15 +200,20 @@ class ECRBackend(BaseBackend):
         """
         maxResults and filtering not implemented
         """
-        images = []
+        repository = None
-        for repository in self.repositories.values():
+        found = False
-            if repository_name:
+        if repository_name in self.repositories:
-                if repository.name != repository_name:
+            repository = self.repositories[repository_name]
-                    continue
             if registry_id:
-                if repository.registry_id != registry_id:
+                if repository.registry_id == registry_id:
-                    continue
+                    found = True
+            else:
+                found = True
 
+        if not found:
+            raise RepositoryNotFoundException(repository_name, registry_id or DEFAULT_REGISTRY_ID)
+
+        images = []
         for image in repository.images:
             images.append(image)
         return images

tests/test_ecr/test_ecr_boto3.py

@@ -247,9 +247,31 @@ def test_list_images():
     len(response['imageIds']).should.be(1)
     response['imageIds'][0]['imageTag'].should.equal('oldest')
 
-    response = client.list_images(repositoryName='test_repository_2', registryId='109876543210')
+
-    type(response['imageIds']).should.be(list)
+@mock_ecr
-    len(response['imageIds']).should.be(0)
+def test_list_images_from_repository_that_doesnt_exist():
+    client = boto3.client('ecr', region_name='us-east-1')
+    _ = client.create_repository(
+        repositoryName='test_repository_1'
+    )
+
+    # non existing repo
+    error_msg = re.compile(
+        r".*The repository with name 'repo-that-doesnt-exist' does not exist in the registry with id '123'.*",
+        re.MULTILINE)
+    client.list_images.when.called_with(
+        repositoryName='repo-that-doesnt-exist',
+        registryId='123',
+    ).should.throw(Exception, error_msg)
+
+    # repo does not exist in specified registry
+    error_msg = re.compile(
+        r".*The repository with name 'test_repository_1' does not exist in the registry with id '222'.*",
+        re.MULTILINE)
+    client.list_images.when.called_with(
+        repositoryName='test_repository_1',
+        registryId='222',
+    ).should.throw(Exception, error_msg)
 
 
 @mock_ecr