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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.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License 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 unittest import mock
import pytest
try:
import pyarrow # type: ignore
except ImportError:
pyarrow = None
try:
from google.cloud import bigquery_storage # type: ignore
except ImportError:
bigquery_storage = None
try:
import pandas # type: ignore
except ImportError:
pandas = None
from google.cloud.bigquery import _versions_helpers
from google.cloud.bigquery import exceptions
@pytest.mark.skipif(pyarrow is None, reason="pyarrow is not installed")
def test_try_import_raises_no_error_w_recent_pyarrow():
versions = _versions_helpers.PyarrowVersions()
with mock.patch("pyarrow.__version__", new="5.0.0"):
pyarrow = versions.try_import(raise_if_error=True)
assert pyarrow is not None
@pytest.mark.skipif(pyarrow is None, reason="pyarrow is not installed")
def test_try_import_returns_none_w_legacy_pyarrow():
versions = _versions_helpers.PyarrowVersions()
with mock.patch("pyarrow.__version__", new="2.0.0"):
pyarrow = versions.try_import()
assert pyarrow is None
@pytest.mark.skipif(pyarrow is None, reason="pyarrow is not installed")
def test_try_import_raises_error_w_legacy_pyarrow():
versions = _versions_helpers.PyarrowVersions()
with mock.patch("pyarrow.__version__", new="2.0.0"):
with pytest.raises(exceptions.LegacyPyarrowError):
versions.try_import(raise_if_error=True)
@pytest.mark.skipif(
pyarrow is not None,
reason="pyarrow is installed, but this test needs it not to be",
)
def test_try_import_raises_error_w_no_pyarrow():
versions = _versions_helpers.PyarrowVersions()
with pytest.raises(exceptions.LegacyPyarrowError):
versions.try_import(raise_if_error=True)
@pytest.mark.skipif(pyarrow is None, reason="pyarrow is not installed")
def test_installed_pyarrow_version_returns_cached():
versions = _versions_helpers.PyarrowVersions()
versions._installed_version = object()
assert versions.installed_version is versions._installed_version
@pytest.mark.skipif(pyarrow is None, reason="pyarrow is not installed")
def test_installed_pyarrow_version_returns_parsed_version():
versions = _versions_helpers.PyarrowVersions()
with mock.patch("pyarrow.__version__", new="1.2.3"):
version = versions.installed_version
assert version.major == 1
assert version.minor == 2
assert version.micro == 3
@pytest.mark.skipif(
bigquery_storage is None, reason="Requires `google-cloud-bigquery-storage`"
)
def test_raises_no_error_w_recent_bqstorage():
with mock.patch("google.cloud.bigquery_storage.__version__", new="2.0.0"):
try:
bqstorage_versions = _versions_helpers.BQStorageVersions()
bqstorage_versions.try_import(raise_if_error=True)
except exceptions.LegacyBigQueryStorageError: # pragma: NO COVER
raise ("Legacy error raised with a non-legacy dependency version.")
@pytest.mark.skipif(
bigquery_storage is None, reason="Requires `google-cloud-bigquery-storage`"
)
def test_raises_error_w_legacy_bqstorage():
with mock.patch("google.cloud.bigquery_storage.__version__", new="1.9.9"):
with pytest.raises(exceptions.LegacyBigQueryStorageError):
bqstorage_versions = _versions_helpers.BQStorageVersions()
bqstorage_versions.try_import(raise_if_error=True)
@pytest.mark.skipif(
bigquery_storage is None, reason="Requires `google-cloud-bigquery-storage`"
)
def test_returns_none_with_legacy_bqstorage():
with mock.patch("google.cloud.bigquery_storage.__version__", new="1.9.9"):
try:
bqstorage_versions = _versions_helpers.BQStorageVersions()
bq_storage = bqstorage_versions.try_import()
except exceptions.LegacyBigQueryStorageError: # pragma: NO COVER
raise ("Legacy error raised when raise_if_error == False.")
assert bq_storage is None
@pytest.mark.skipif(
bigquery_storage is not None,
reason="Tests behavior when `google-cloud-bigquery-storage` isn't installed",
)
def test_returns_none_with_bqstorage_uninstalled():
try:
bqstorage_versions = _versions_helpers.BQStorageVersions()
bq_storage = bqstorage_versions.try_import()
except exceptions.LegacyBigQueryStorageError: # pragma: NO COVER
raise ("NotFound error raised when raise_if_error == False.")
assert bq_storage is None
@pytest.mark.skipif(
bigquery_storage is None, reason="Requires `google-cloud-bigquery-storage`"
)
def test_raises_error_w_unknown_bqstorage_version():
with mock.patch("google.cloud.bigquery_storage", autospec=True) as fake_module:
del fake_module.__version__
error_pattern = r"version found: 0.0.0"
with pytest.raises(exceptions.LegacyBigQueryStorageError, match=error_pattern):
bqstorage_versions = _versions_helpers.BQStorageVersions()
bqstorage_versions.try_import(raise_if_error=True)
@pytest.mark.skipif(
bigquery_storage is None, reason="Requires `google-cloud-bigquery-storage`"
)
def test_installed_bqstorage_version_returns_cached():
bqstorage_versions = _versions_helpers.BQStorageVersions()
bqstorage_versions._installed_version = object()
assert bqstorage_versions.installed_version is bqstorage_versions._installed_version
@pytest.mark.skipif(
bigquery_storage is None, reason="Requires `google-cloud-bigquery-storage`"
)
def test_installed_bqstorage_version_returns_parsed_version():
bqstorage_versions = _versions_helpers.BQStorageVersions()
with mock.patch("google.cloud.bigquery_storage.__version__", new="1.2.3"):
bqstorage_versions = bqstorage_versions.installed_version
assert bqstorage_versions.major == 1
assert bqstorage_versions.minor == 2
assert bqstorage_versions.micro == 3
@pytest.mark.skipif(
bigquery_storage is None, reason="Requires `google-cloud-bigquery-storage`"
)
def test_bqstorage_is_read_session_optional_true():
bqstorage_versions = _versions_helpers.BQStorageVersions()
with mock.patch("google.cloud.bigquery_storage.__version__", new="2.6.0"):
assert bqstorage_versions.is_read_session_optional
@pytest.mark.skipif(
bigquery_storage is None, reason="Requires `google-cloud-bigquery-storage`"
)
def test_bqstorage_is_read_session_optional_false():
bqstorage_versions = _versions_helpers.BQStorageVersions()
with mock.patch("google.cloud.bigquery_storage.__version__", new="2.5.0"):
assert not bqstorage_versions.is_read_session_optional
@pytest.mark.skipif(pandas is None, reason="pandas is not installed")
@pytest.mark.parametrize("version", ["1.5.0", "2.0.0", "2.1.0"])
def test_try_import_raises_no_error_w_recent_pandas(version):
versions = _versions_helpers.PandasVersions()
with mock.patch("pandas.__version__", new=version):
try:
pandas = versions.try_import(raise_if_error=True)
assert pandas is not None
except exceptions.LegacyPandasError: # pragma: NO COVER
raise ("Legacy error raised with a non-legacy dependency version.")
@pytest.mark.skipif(pandas is None, reason="pandas is not installed")
def test_try_import_returns_none_w_legacy_pandas():
versions = _versions_helpers.PandasVersions()
with mock.patch("pandas.__version__", new="1.0.0"):
pandas = versions.try_import()
assert pandas is None
@pytest.mark.skipif(pandas is None, reason="pandas is not installed")
def test_try_import_raises_error_w_legacy_pandas():
versions = _versions_helpers.PandasVersions()
with mock.patch("pandas.__version__", new="1.0.0"):
with pytest.raises(exceptions.LegacyPandasError):
versions.try_import(raise_if_error=True)
@pytest.mark.skipif(
pandas is not None,
reason="pandas is installed, but this test needs it not to be",
)
def test_try_import_raises_error_w_no_pandas():
versions = _versions_helpers.PandasVersions()
with pytest.raises(exceptions.LegacyPandasError):
versions.try_import(raise_if_error=True)
@pytest.mark.skipif(pandas is None, reason="pandas is not installed")
def test_installed_pandas_version_returns_cached():
versions = _versions_helpers.PandasVersions()
versions._installed_version = object()
assert versions.installed_version is versions._installed_version
@pytest.mark.skipif(pandas is None, reason="pandas is not installed")
def test_installed_pandas_version_returns_parsed_version():
versions = _versions_helpers.PandasVersions()
with mock.patch("pandas.__version__", new="1.1.0"):
version = versions.installed_version
assert version.major == 1
assert version.minor == 1
assert version.micro == 0
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