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Migrate "test/unit/test_providers_base_master_key.py" from unittest to pytest #119

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Merged
merged 4 commits into from
Dec 17, 2018
Merged

Migrate "test/unit/test_providers_base_master_key.py" from unittest to pytest #119

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9eef35e
Migrate unit/test_defaults.py from unittest to pytest
Dec 12, 2018
32cdf5b
Migrate unit/test_providers_base_master_key.py from unittest to pytest
Dec 12, 2018
b5808b7
Removed one test from previous commit
Dec 13, 2018
88b1d82
Removed unused import and added yield and tearDown to apply_fixtures …
Dec 17, 2018
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35 changes: 19 additions & 16 deletions test/unit/test_providers_base_master_key.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,11 +11,8 @@
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
"""Test suite for aws_encryption_sdk.key_providers.base.MasterKey"""
import unittest

import attr
import pytest
import six
from mock import MagicMock, patch, sentinel

from aws_encryption_sdk.exceptions import ConfigMismatchError, IncorrectMasterKeyError, InvalidKeyIdError
Expand Down Expand Up @@ -63,12 +60,13 @@ class FakeMasterKey(MockMasterKey):
excinfo.match(r'MasterKey config classes must have a "provider_id" attribute defined.')


class TestMasterKey(unittest.TestCase):
def setUp(self):
class TestMasterKey(object):
@pytest.fixture(autouse=True)
def apply_fixture(self):
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Same as #127 : need to run teardown actions.

self.mock_data_key_len_check_patcher = patch("aws_encryption_sdk.internal.utils.source_data_key_length_check")
self.mock_data_key_len_check = self.mock_data_key_len_check_patcher.start()

def tearDown(self):
yield
# Run tearDown
self.mock_data_key_len_check_patcher.stop()

def test_parent(self):
Expand All @@ -85,8 +83,9 @@ def _encrypt_data_key(self, data_key, algorithm, encryption_context):
def _decrypt_data_key(self, encrypted_data_key, algorithm, encryption_context):
pass

with six.assertRaisesRegex(self, TypeError, "Can't instantiate abstract class TestMasterKey *"):
with pytest.raises(TypeError) as excinfo:
TestMasterKey()
excinfo.match("Can't instantiate abstract class TestMasterKey *")

def test_generate_data_key_enforcement(self):
class TestMasterKey(MasterKey):
Expand All @@ -98,8 +97,9 @@ def _encrypt_data_key(self, data_key, algorithm, encryption_context):
def _decrypt_data_key(self, encrypted_data_key, algorithm, encryption_context):
pass

with six.assertRaisesRegex(self, TypeError, "Can't instantiate abstract class TestMasterKey *"):
with pytest.raises(TypeError) as excinfo:
TestMasterKey()
excinfo.match("Can't instantiate abstract class TestMasterKey *")

def test_encrypt_data_key_enforcement(self):
class TestMasterKey(MasterKey):
Expand All @@ -111,8 +111,9 @@ def _generate_data_key(self, algorithm, encryption_context):
def _decrypt_data_key(self, encrypted_data_key, algorithm, encryption_context):
pass

with six.assertRaisesRegex(self, TypeError, "Can't instantiate abstract class TestMasterKey *"):
with pytest.raises(TypeError) as excinfo:
TestMasterKey()
excinfo.match("Can't instantiate abstract class TestMasterKey *")

def test_decrypt_data_key_enforcement(self):
class TestMasterKey(MasterKey):
Expand All @@ -124,8 +125,9 @@ def _generate_data_key(self, algorithm, encryption_context):
def _encrypt_data_key(self, data_key, algorithm, encryption_context):
pass

with six.assertRaisesRegex(self, TypeError, "Can't instantiate abstract class TestMasterKey *"):
with pytest.raises(TypeError) as excinfo:
TestMasterKey()
excinfo.match("Can't instantiate abstract class TestMasterKey *")

def test_new(self):
mock_master_key = MockMasterKey(
Expand All @@ -142,10 +144,9 @@ def test_new_conf_mismatch(self):
mock_config = MagicMock()
mock_config.__class__ = MockMasterKeyConfig
mock_config.provider_id = sentinel.mismatched_provider_id
with six.assertRaisesRegex(
self, ConfigMismatchError, "Config provider_id does not match MasterKey provider_id: *"
):
with pytest.raises(ConfigMismatchError) as excinfo:
MockMasterKey(config=mock_config)
excinfo.match("Config provider_id does not match MasterKey provider_id: *")

def test_owns_data_key_owned(self):
mock_master_key = MockMasterKey(
Expand Down Expand Up @@ -220,8 +221,9 @@ def test_new_master_key_invalid(self):
mock_encrypted_data_key=sentinel.encrypted_data_key,
mock_decrypted_data_key=sentinel.decrypted_data_key,
)
with six.assertRaisesRegex(self, InvalidKeyIdError, "MasterKeys can only provide themselves. *"):
with pytest.raises(InvalidKeyIdError) as excinfo:
mock_master_key._new_master_key(sentinel.another_key_id)
excinfo.match("MasterKeys can only provide themselves. *")

def test_key_check_valid(self):
mock_master_key = MockMasterKey(
Expand All @@ -243,8 +245,9 @@ def test_key_check_invalid(self):
)
mock_data_key = MagicMock()
mock_data_key.key_provider = sentinel.another_key_provider
with six.assertRaisesRegex(self, IncorrectMasterKeyError, "Provided data key provider *"):
with pytest.raises(IncorrectMasterKeyError) as excinfo:
mock_master_key._key_check(mock_data_key)
excinfo.match("Provided data key provider *")

def test_generate_data_key(self):
mock_master_key = MockMasterKey(
Expand Down