fix: Add uri as return statement for upload_string_as_file_body

src/sagemaker/session.py

@@ -224,10 +224,8 @@ def upload_string_as_file_body(self, body, bucket, key, kms_key=None):
             kms_key (str): The KMS key to use for encrypting the file.
 
         Returns:
-            str: The S3 URI of the uploaded file(s). If a file is specified in the path argument,
-                the URI format is: ``s3://{bucket name}/{key_prefix}/{original_file_name}``.
-                If a directory is specified in the path argument, the URI format is
-                ``s3://{bucket name}/{key_prefix}``.
+            str: The S3 URI of the uploaded file.
+                The URI format is: ``s3://{bucket name}/{key}``.
         """
         s3 = self.boto_session.resource("s3")
         s3_object = s3.Object(bucket_name=bucket, key=key)
@@ -237,6 +235,9 @@ def upload_string_as_file_body(self, body, bucket, key, kms_key=None):
         else:
             s3_object.put(Body=body)
 
+        s3_uri = "s3://{}/{}".format(bucket, key)
+        return s3_uri
+
     def download_data(self, path, bucket, key_prefix="", extra_args=None):
         """Download file or directory from S3.
 

tests/unit/test_upload_string_as_file_body.py

@@ -0,0 +1,80 @@
+# Copyright 2017-2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"). You
+# may not use this file except in compliance with the License. A copy of
+# the License is located at
+#
+#     http://aws.amazon.com/apache2.0/
+#
+# or in the "license" file accompanying this file. This file is
+# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+# ANY KIND, either express or implied. See the License for the specific
+# language governing permissions and limitations under the License.
+from __future__ import absolute_import
+
+import os
+
+from mock import Mock
+import pytest
+
+import sagemaker
+
+UPLOAD_DATA_TESTS_FILE_DIR = "upload_data_tests"
+SINGLE_FILE_NAME = "file1.py"
+BODY = 'print("test")'
+DESTINATION_DATA_TESTS_FILE = os.path.join(UPLOAD_DATA_TESTS_FILE_DIR, SINGLE_FILE_NAME)
+BUCKET_NAME = "mybucket"
+AES_ENCRYPTION_ENABLED = {"ServerSideEncryption": "AES256"}
+
+
+@pytest.fixture()
+def sagemaker_session():
+    boto_mock = Mock(name="boto_session")
+    client_mock = Mock()
+    client_mock.get_caller_identity.return_value = {
+        "UserId": "mock_user_id",
+        "Account": "012345678910",
+        "Arn": "arn:aws:iam::012345678910:user/mock-user",
+    }
+    boto_mock.client.return_value = client_mock
+    ims = sagemaker.Session(boto_session=boto_mock)
+    ims.default_bucket = Mock(name="default_bucket", return_value=BUCKET_NAME)
+    return ims
+
+
+def test_upload_string_file(sagemaker_session):
+    result_s3_uri = sagemaker_session.upload_string_as_file_body(
+        body=BODY, bucket=BUCKET_NAME, key=DESTINATION_DATA_TESTS_FILE
+    )
+
+    uploaded_files_with_args = [
+        kwargs
+        for name, args, kwargs in sagemaker_session.boto_session.mock_calls
+        if name == "resource().Object().put"
+    ]
+
+    assert result_s3_uri == "s3://{}/{}".format(BUCKET_NAME, DESTINATION_DATA_TESTS_FILE)
+    assert len(uploaded_files_with_args) == 1
+    kwargs = uploaded_files_with_args[0]
+    assert kwargs["Body"] == BODY
+
+
+def test_upload_aes_encrypted_string_file(sagemaker_session):
+    result_s3_uri = sagemaker_session.upload_string_as_file_body(
+        body=BODY,
+        bucket=BUCKET_NAME,
+        key=DESTINATION_DATA_TESTS_FILE,
+        kms_key=AES_ENCRYPTION_ENABLED,
+    )
+
+    uploaded_files_with_args = [
+        kwargs
+        for name, args, kwargs in sagemaker_session.boto_session.mock_calls
+        if name == "resource().Object().put"
+    ]
+
+    assert result_s3_uri == "s3://{}/{}".format(BUCKET_NAME, DESTINATION_DATA_TESTS_FILE)
+    assert len(uploaded_files_with_args) == 1
+    kwargs = uploaded_files_with_args[0]
+    assert kwargs["Body"] == BODY
+    assert kwargs["SSEKMSKeyId"] == AES_ENCRYPTION_ENABLED