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#
# 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 print_function, absolute_import
import os
import pytest
from mock import Mock, patch
from botocore.exceptions import ClientError
from sagemaker import lambda_helper
BUCKET_NAME = "mybucket"
REGION = "us-west-2"
LAMBDA_ARN = "arn:aws:lambda:us-west-2:123456789012:function:test_function"
FUNCTION_NAME = "test_function"
EXECUTION_ROLE = "arn:aws:iam::123456789012:role/execution_role"
SCRIPT = "test_function.py"
HANDLER = "test_function.lambda_handler"
ZIPPED_CODE_DIR = "code.zip"
S3_BUCKET = "sagemaker-us-west-2-123456789012"
ZIPPED_CODE = "Zipped code"
S3_KEY = "{}/{}/{}".format("lambda", FUNCTION_NAME, "code")
DATA_DIR = os.path.join(os.path.dirname(__file__), "..", "data")
@pytest.fixture()
def sagemaker_session():
boto_mock = Mock(name="boto_session", region_name=REGION)
session_mock = Mock(
name="sagemaker_session",
boto_session=boto_mock,
boto_region_name=REGION,
config=None,
local_mode=False,
)
return session_mock
@pytest.fixture()
def s3_client(sagemaker_session):
return sagemaker_session.boto_session.client(
"s3", region_name=sagemaker_session.boto_region_name
)
def test_lambda_object_with_arn_happycase():
lambda_obj = lambda_helper.Lambda(function_arn=LAMBDA_ARN, session=sagemaker_session)
assert lambda_obj.function_arn == LAMBDA_ARN
def test_lambda_object_with_name_happycase1():
lambda_obj = lambda_helper.Lambda(
function_name=FUNCTION_NAME,
execution_role_arn=EXECUTION_ROLE,
script=SCRIPT,
handler=HANDLER,
session=sagemaker_session,
)
assert lambda_obj.function_name == FUNCTION_NAME
assert lambda_obj.execution_role_arn == EXECUTION_ROLE
assert lambda_obj.script == SCRIPT
assert lambda_obj.handler == HANDLER
assert lambda_obj.timeout == 120
assert lambda_obj.memory_size == 128
assert lambda_obj.runtime == "python3.8"
def test_lambda_object_with_name_happycase2():
lambda_obj = lambda_helper.Lambda(
function_name=FUNCTION_NAME,
execution_role_arn=EXECUTION_ROLE,
zipped_code_dir=ZIPPED_CODE_DIR,
s3_bucket=S3_BUCKET,
handler=HANDLER,
session=sagemaker_session,
)
assert lambda_obj.function_name == FUNCTION_NAME
assert lambda_obj.execution_role_arn == EXECUTION_ROLE
assert lambda_obj.zipped_code_dir == ZIPPED_CODE_DIR
assert lambda_obj.s3_bucket == S3_BUCKET
assert lambda_obj.handler == HANDLER
assert lambda_obj.timeout == 120
assert lambda_obj.memory_size == 128
assert lambda_obj.runtime == "python3.8"
def test_lambda_object_with_no_name_and_arn_error():
with pytest.raises(ValueError) as error:
lambda_helper.Lambda(
execution_role_arn=EXECUTION_ROLE,
script=SCRIPT,
handler=HANDLER,
session=sagemaker_session,
)
assert "Either function_arn or function_name must be provided" in str(error)
def test_lambda_object_no_code_error():
with pytest.raises(ValueError) as error:
lambda_helper.Lambda(
function_name=FUNCTION_NAME,
execution_role_arn=EXECUTION_ROLE,
handler=HANDLER,
session=sagemaker_session,
)
assert "Either zipped_code_dir or script must be provided" in str(error)
def test_lambda_object_both_script_and_code_dir_error():
with pytest.raises(ValueError) as error:
lambda_helper.Lambda(
function_name=FUNCTION_NAME,
execution_role_arn=EXECUTION_ROLE,
script=SCRIPT,
zipped_code_dir=ZIPPED_CODE_DIR,
handler=HANDLER,
session=sagemaker_session,
)
assert "Provide either script or zipped_code_dir, not both." in str(error)
def test_lambda_object_no_handler_error():
with pytest.raises(ValueError) as error:
lambda_helper.Lambda(
function_name=FUNCTION_NAME,
execution_role_arn=EXECUTION_ROLE,
zipped_code_dir=ZIPPED_CODE_DIR,
s3_bucket=S3_BUCKET,
session=sagemaker_session,
)
assert "Lambda handler must be provided." in str(error)
def test_lambda_object_no_execution_role_error():
with pytest.raises(ValueError) as error:
lambda_helper.Lambda(
function_name=FUNCTION_NAME,
zipped_code_dir=ZIPPED_CODE_DIR,
s3_bucket=S3_BUCKET,
handler=HANDLER,
session=sagemaker_session,
)
assert "execution_role_arn must be provided." in str(error)
@patch("sagemaker.lambda_helper._zip_lambda_code", return_value=ZIPPED_CODE)
def test_create_lambda_happycase1(sagemaker_session):
lambda_obj = lambda_helper.Lambda(
function_name=FUNCTION_NAME,
execution_role_arn=EXECUTION_ROLE,
script=SCRIPT,
handler=HANDLER,
session=sagemaker_session,
)
lambda_obj.create()
code = {"ZipFile": ZIPPED_CODE}
sagemaker_session.lambda_client.create_function.assert_called_with(
FunctionName=FUNCTION_NAME,
Runtime="python3.8",
Handler=HANDLER,
Role=EXECUTION_ROLE,
Code=code,
Timeout=120,
MemorySize=128,
)
@patch("sagemaker.lambda_helper._upload_to_s3", return_value=S3_KEY)
def test_create_lambda_happycase2(sagemaker_session):
lambda_obj = lambda_helper.Lambda(
function_name=FUNCTION_NAME,
execution_role_arn=EXECUTION_ROLE,
zipped_code_dir=ZIPPED_CODE_DIR,
s3_bucket=S3_BUCKET,
handler=HANDLER,
session=sagemaker_session,
)
lambda_obj.create()
code = {"S3Bucket": lambda_obj.s3_bucket, "S3Key": S3_KEY}
sagemaker_session.lambda_client.create_function.assert_called_with(
FunctionName=FUNCTION_NAME,
Runtime="python3.8",
Handler=HANDLER,
Role=EXECUTION_ROLE,
Code=code,
Timeout=120,
MemorySize=128,
)
def test_create_lambda_no_function_name_error(sagemaker_session):
lambda_obj = lambda_helper.Lambda(
function_arn=LAMBDA_ARN,
execution_role_arn=EXECUTION_ROLE,
zipped_code_dir=ZIPPED_CODE_DIR,
s3_bucket=S3_BUCKET,
handler=HANDLER,
session=sagemaker_session,
)
with pytest.raises(ValueError) as error:
lambda_obj.create()
assert "FunctionName must be provided to create a Lambda function" in str(error)
@patch("sagemaker.lambda_helper._upload_to_s3", return_value=S3_KEY)
def test_create_lambda_client_error(sagemaker_session):
lambda_obj = lambda_helper.Lambda(
function_name=FUNCTION_NAME,
execution_role_arn=EXECUTION_ROLE,
zipped_code_dir=ZIPPED_CODE_DIR,
s3_bucket=S3_BUCKET,
handler=HANDLER,
session=sagemaker_session,
)
sagemaker_session.lambda_client.create_function.side_effect = ClientError(
{"Error": {"Code": "ResourceConflictException", "Message": "Function already exists"}},
"CreateFunction",
)
with pytest.raises(ValueError) as error:
lambda_obj.create()
assert "Function already exists" in str(error)
@patch("sagemaker.lambda_helper._zip_lambda_code", return_value=ZIPPED_CODE)
def test_update_lambda_happycase1(sagemaker_session):
lambda_obj = lambda_helper.Lambda(
function_name=FUNCTION_NAME,
execution_role_arn=EXECUTION_ROLE,
script=SCRIPT,
handler=HANDLER,
session=sagemaker_session,
)
lambda_obj.update()
sagemaker_session.lambda_client.update_function_code.assert_called_with(
FunctionName=FUNCTION_NAME, ZipFile=ZIPPED_CODE
)
@patch("sagemaker.lambda_helper._upload_to_s3", return_value=S3_KEY)
def test_update_lambda_happycase2(sagemaker_session):
lambda_obj = lambda_helper.Lambda(
function_arn=LAMBDA_ARN,
execution_role_arn=EXECUTION_ROLE,
zipped_code_dir=ZIPPED_CODE_DIR,
s3_bucket=S3_BUCKET,
handler=HANDLER,
session=sagemaker_session,
)
lambda_obj.update()
sagemaker_session.lambda_client.update_function_code.assert_called_with(
FunctionName=LAMBDA_ARN, S3Bucket=S3_BUCKET, S3Key=S3_KEY
)
@patch("sagemaker.lambda_helper._zip_lambda_code", return_value=ZIPPED_CODE)
def test_update_lambda_client_error(sagemaker_session):
lambda_obj = lambda_helper.Lambda(
function_name=FUNCTION_NAME,
execution_role_arn=EXECUTION_ROLE,
script=SCRIPT,
handler=HANDLER,
session=sagemaker_session,
)
sagemaker_session.lambda_client.update_function_code.side_effect = ClientError(
{"Error": {"Code": "InvalidCodeException", "Message": "Cannot update code"}},
"UpdateFunction",
)
with pytest.raises(ValueError) as error:
lambda_obj.update()
assert "Cannot update code" in str(error)
@patch("sagemaker.lambda_helper._zip_lambda_code", return_value=ZIPPED_CODE)
def test_upsert_lambda_happycase1(sagemaker_session):
lambda_obj = lambda_helper.Lambda(
function_name=FUNCTION_NAME,
execution_role_arn=EXECUTION_ROLE,
script=SCRIPT,
handler=HANDLER,
session=sagemaker_session,
)
code = {"ZipFile": ZIPPED_CODE}
lambda_obj.upsert()
sagemaker_session.lambda_client.create_function.assert_called_with(
FunctionName=FUNCTION_NAME,
Runtime="python3.8",
Handler=HANDLER,
Role=EXECUTION_ROLE,
Code=code,
Timeout=120,
MemorySize=128,
)
@patch("sagemaker.lambda_helper._zip_lambda_code", return_value=ZIPPED_CODE)
def test_upsert_lambda_happycase2(sagemaker_session):
lambda_obj = lambda_helper.Lambda(
function_name=FUNCTION_NAME,
execution_role_arn=EXECUTION_ROLE,
script=SCRIPT,
handler=HANDLER,
session=sagemaker_session,
)
sagemaker_session.lambda_client.create_function.side_effect = ClientError(
{"Error": {"Code": "ResourceConflictException", "Message": "Lambda already exists"}},
"CreateFunction",
)
lambda_obj.upsert()
sagemaker_session.lambda_client.update_function_code.assert_called_once_with(
FunctionName=FUNCTION_NAME, ZipFile=ZIPPED_CODE
)
@patch("sagemaker.lambda_helper._zip_lambda_code", return_value=ZIPPED_CODE)
def test_upsert_lambda_client_error(sagemaker_session):
lambda_obj = lambda_helper.Lambda(
function_name=FUNCTION_NAME,
execution_role_arn=EXECUTION_ROLE,
script=SCRIPT,
handler=HANDLER,
session=sagemaker_session,
)
sagemaker_session.lambda_client.create_function.side_effect = ClientError(
{"Error": {"Code": "ResourceConflictException", "Message": "Lambda already exists"}},
"CreateFunction",
)
sagemaker_session.lambda_client.update_function_code.side_effect = ClientError(
{"Error": {"Code": "ResourceConflictException", "Message": "Cannot update code"}},
"UpdateFunctionCode",
)
with pytest.raises(ValueError) as error:
lambda_obj.upsert()
assert "Cannot update code" in str(error)
def test_invoke_lambda_happycase(sagemaker_session):
lambda_obj = lambda_helper.Lambda(function_arn=LAMBDA_ARN, session=sagemaker_session)
lambda_obj.invoke()
sagemaker_session.lambda_client.invoke.assert_called_with(
FunctionName=LAMBDA_ARN, InvocationType="RequestResponse"
)
def test_invoke_lambda_client_error(sagemaker_session):
lambda_obj = lambda_helper.Lambda(function_arn=LAMBDA_ARN, session=sagemaker_session)
sagemaker_session.lambda_client.invoke.side_effect = ClientError(
{"Error": {"Code": "InvalidCodeException", "Message": "invoke failed"}}, "Invoke"
)
with pytest.raises(ValueError) as error:
lambda_obj.invoke()
assert "invoke failed" in str(error)
def test_delete_lambda_happycase(sagemaker_session):
lambda_obj = lambda_helper.Lambda(function_arn=LAMBDA_ARN, session=sagemaker_session)
lambda_obj.delete()
sagemaker_session.lambda_client.delete_function.assert_called_with(FunctionName=LAMBDA_ARN)
def test_delete_lambda_client_error(sagemaker_session):
lambda_obj = lambda_helper.Lambda(function_arn=LAMBDA_ARN, session=sagemaker_session)
sagemaker_session.lambda_client.delete_function.side_effect = ClientError(
{"Error": {"Code": "Invalid", "Message": "Delete failed"}}, "Invoke"
)
with pytest.raises(ValueError) as error:
lambda_obj.delete()
assert "Delete failed" in str(error)
def test_upload_to_s3(s3_client):
key = lambda_helper._upload_to_s3(s3_client, FUNCTION_NAME, ZIPPED_CODE_DIR, S3_BUCKET)
s3_client.upload_file.assert_called_with(ZIPPED_CODE_DIR, S3_BUCKET, key)
assert key == S3_KEY
def test_zip_lambda_code():
code = lambda_helper._zip_lambda_code(os.path.join(DATA_DIR, "dummy_script.py"))
assert code is not None
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