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285 lines
12 KiB
Python
285 lines
12 KiB
Python
#
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# (c) 2017 Michael De La Rue
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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# Make coding more python3-ish
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from __future__ import (absolute_import, division, print_function)
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import copy
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import pytest
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from units.compat.mock import MagicMock, Mock, patch
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from ansible.module_utils import basic
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from units.modules.utils import set_module_args
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boto3 = pytest.importorskip("boto3")
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# lambda is a keyword so we have to hack this.
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_temp = __import__("ansible.modules.cloud.amazon.lambda")
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lda = getattr(_temp.modules.cloud.amazon, "lambda")
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base_lambda_config = {
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'FunctionName': 'lambda_name',
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'Role': 'arn:aws:iam::987654321012:role/lambda_basic_execution',
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'Handler': 'lambda_python.my_handler',
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'Description': 'this that the other',
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'Timeout': 3,
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'MemorySize': 128,
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'Runtime': 'python2.7',
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'CodeSha256': 'AqMZ+xptM7aC9VXu+5jyp1sqO+Nj4WFMNzQxtPMP2n8=',
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}
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one_change_lambda_config = copy.copy(base_lambda_config)
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one_change_lambda_config['Timeout'] = 4
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two_change_lambda_config = copy.copy(one_change_lambda_config)
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two_change_lambda_config['Role'] = 'arn:aws:iam::987654321012:role/lambda_advanced_execution'
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code_change_lambda_config = copy.copy(base_lambda_config)
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code_change_lambda_config['CodeSha256'] = 'P+Zy8U4T4RiiHWElhL10VBKj9jw4rSJ5bm/TiW+4Rts='
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base_module_args = {
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"region": "us-west-1",
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"name": "lambda_name",
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"state": "present",
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"zip_file": "test/units/modules/cloud/amazon/fixtures/thezip.zip",
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"runtime": 'python2.7',
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"role": 'arn:aws:iam::987654321012:role/lambda_basic_execution',
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"memory_size": 128,
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"timeout": 3,
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"handler": 'lambda_python.my_handler'
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}
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module_args_with_environment = dict(base_module_args, environment_variables={
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"variable_name": "variable_value"
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})
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def make_mock_no_connection_connection(config):
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"""return a mock of ansible's boto3_conn ready to return a mock AWS API client"""
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lambda_client_double = MagicMock()
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lambda_client_double.get_function.configure_mock(
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return_value=False
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)
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lambda_client_double.update_function_configuration.configure_mock(
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return_value={
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'Version': 1
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}
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)
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fake_boto3_conn = Mock(return_value=lambda_client_double)
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return (fake_boto3_conn, lambda_client_double)
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def make_mock_connection(config):
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"""return a mock of ansible's boto3_conn ready to return a mock AWS API client"""
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lambda_client_double = MagicMock()
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lambda_client_double.get_function.configure_mock(
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return_value={
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'Configuration': config
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}
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)
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lambda_client_double.update_function_configuration.configure_mock(
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return_value={
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'Version': 1
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}
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)
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fake_boto3_conn = Mock(return_value=lambda_client_double)
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return (fake_boto3_conn, lambda_client_double)
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class AnsibleFailJson(Exception):
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pass
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def fail_json_double(*args, **kwargs):
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"""works like fail_json but returns module results inside exception instead of stdout"""
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kwargs['failed'] = True
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raise AnsibleFailJson(kwargs)
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# TODO: def test_handle_different_types_in_config_params():
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def test_create_lambda_if_not_exist():
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set_module_args(base_module_args)
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(boto3_conn_double, lambda_client_double) = make_mock_no_connection_connection(code_change_lambda_config)
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with patch.object(lda, 'boto3_conn', boto3_conn_double):
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try:
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lda.main()
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except SystemExit:
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pass
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# guard against calling other than for a lambda connection (e.g. IAM)
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assert(len(boto3_conn_double.mock_calls) > 0), "boto connections never used"
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assert(len(boto3_conn_double.mock_calls) < 2), "multiple boto connections used unexpectedly"
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assert(len(lambda_client_double.update_function_configuration.mock_calls) == 0), \
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"unexpectedly updated lambda configuration when should have only created"
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assert(len(lambda_client_double.update_function_code.mock_calls) == 0), \
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"update lambda function code when function should have been created only"
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assert(len(lambda_client_double.create_function.mock_calls) > 0), \
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"failed to call create_function "
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(create_args, create_kwargs) = lambda_client_double.create_function.call_args
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assert (len(create_kwargs) > 0), "expected create called with keyword args, none found"
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try:
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# For now I assume that we should NOT send an empty environment. It might
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# be okay / better to explicitly send an empty environment. However `None'
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# is not acceptable - mikedlr
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create_kwargs["Environment"]
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raise(Exception("Environment sent to boto when none expected"))
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except KeyError:
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pass # We are happy, no environment is fine
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def test_update_lambda_if_code_changed():
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set_module_args(base_module_args)
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(boto3_conn_double, lambda_client_double) = make_mock_connection(code_change_lambda_config)
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with patch.object(lda, 'boto3_conn', boto3_conn_double):
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try:
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lda.main()
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except SystemExit:
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pass
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# guard against calling other than for a lambda connection (e.g. IAM)
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assert(len(boto3_conn_double.mock_calls) > 0), "boto connections never used"
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assert(len(boto3_conn_double.mock_calls) < 2), "multiple boto connections used unexpectedly"
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assert(len(lambda_client_double.update_function_configuration.mock_calls) == 0), \
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"unexpectedly updatede lambda configuration when only code changed"
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assert(len(lambda_client_double.update_function_configuration.mock_calls) < 2), \
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"lambda function update called multiple times when only one time should be needed"
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assert(len(lambda_client_double.update_function_code.mock_calls) > 1), \
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"failed to update lambda function when code changed"
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# 3 because after uploading we call into the return from mock to try to find what function version
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# was returned so the MagicMock actually sees two calls for one update.
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assert(len(lambda_client_double.update_function_code.mock_calls) < 3), \
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"lambda function code update called multiple times when only one time should be needed"
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def test_update_lambda_if_config_changed():
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set_module_args(base_module_args)
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(boto3_conn_double, lambda_client_double) = make_mock_connection(two_change_lambda_config)
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with patch.object(lda, 'boto3_conn', boto3_conn_double):
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try:
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lda.main()
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except SystemExit:
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pass
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# guard against calling other than for a lambda connection (e.g. IAM)
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assert(len(boto3_conn_double.mock_calls) > 0), "boto connections never used"
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assert(len(boto3_conn_double.mock_calls) < 2), "multiple boto connections used unexpectedly"
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assert(len(lambda_client_double.update_function_configuration.mock_calls) > 0), \
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"failed to update lambda function when configuration changed"
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assert(len(lambda_client_double.update_function_configuration.mock_calls) < 2), \
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"lambda function update called multiple times when only one time should be needed"
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assert(len(lambda_client_double.update_function_code.mock_calls) == 0), \
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"updated lambda code when no change should have happened"
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def test_update_lambda_if_only_one_config_item_changed():
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set_module_args(base_module_args)
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(boto3_conn_double, lambda_client_double) = make_mock_connection(one_change_lambda_config)
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with patch.object(lda, 'boto3_conn', boto3_conn_double):
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try:
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lda.main()
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except SystemExit:
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pass
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# guard against calling other than for a lambda connection (e.g. IAM)
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assert(len(boto3_conn_double.mock_calls) > 0), "boto connections never used"
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assert(len(boto3_conn_double.mock_calls) < 2), "multiple boto connections used unexpectedly"
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assert(len(lambda_client_double.update_function_configuration.mock_calls) > 0), \
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"failed to update lambda function when configuration changed"
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assert(len(lambda_client_double.update_function_configuration.mock_calls) < 2), \
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"lambda function update called multiple times when only one time should be needed"
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assert(len(lambda_client_double.update_function_code.mock_calls) == 0), \
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"updated lambda code when no change should have happened"
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def test_update_lambda_if_added_environment_variable():
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set_module_args(module_args_with_environment)
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(boto3_conn_double, lambda_client_double) = make_mock_connection(base_lambda_config)
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with patch.object(lda, 'boto3_conn', boto3_conn_double):
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try:
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lda.main()
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except SystemExit:
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pass
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# guard against calling other than for a lambda connection (e.g. IAM)
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assert(len(boto3_conn_double.mock_calls) > 0), "boto connections never used"
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assert(len(boto3_conn_double.mock_calls) < 2), "multiple boto connections used unexpectedly"
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assert(len(lambda_client_double.update_function_configuration.mock_calls) > 0), \
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"failed to update lambda function when configuration changed"
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assert(len(lambda_client_double.update_function_configuration.mock_calls) < 2), \
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"lambda function update called multiple times when only one time should be needed"
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assert(len(lambda_client_double.update_function_code.mock_calls) == 0), \
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"updated lambda code when no change should have happened"
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(update_args, update_kwargs) = lambda_client_double.update_function_configuration.call_args
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assert (len(update_kwargs) > 0), "expected update configuration called with keyword args, none found"
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assert update_kwargs['Environment']['Variables'] == module_args_with_environment['environment_variables']
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def test_dont_update_lambda_if_nothing_changed():
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set_module_args(base_module_args)
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(boto3_conn_double, lambda_client_double) = make_mock_connection(base_lambda_config)
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with patch.object(lda, 'boto3_conn', boto3_conn_double):
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try:
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lda.main()
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except SystemExit:
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pass
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# guard against calling other than for a lambda connection (e.g. IAM)
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assert(len(boto3_conn_double.mock_calls) > 0), "boto connections never used"
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assert(len(boto3_conn_double.mock_calls) < 2), "multiple boto connections used unexpectedly"
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assert(len(lambda_client_double.update_function_configuration.mock_calls) == 0), \
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"updated lambda function when no configuration changed"
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assert(len(lambda_client_double.update_function_code.mock_calls) == 0), \
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"updated lambda code when no change should have happened"
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def test_warn_region_not_specified():
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set_module_args({
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"name": "lambda_name",
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"state": "present",
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# Module is called without a region causing error
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# "region": "us-east-1",
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"zip_file": "test/units/modules/cloud/amazon/fixtures/thezip.zip",
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"runtime": 'python2.7',
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"role": 'arn:aws:iam::987654321012:role/lambda_basic_execution',
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"handler": 'lambda_python.my_handler'})
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get_aws_connection_info_double = Mock(return_value=(None, None, None))
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with patch.object(lda, 'get_aws_connection_info', get_aws_connection_info_double):
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with patch.object(basic.AnsibleModule, 'fail_json', fail_json_double):
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try:
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lda.main()
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except AnsibleFailJson as e:
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result = e.args[0]
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assert("region must be specified" in result['msg'])
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