transformers/tests/test_versions_utils.py
Stas Bekman 82d443a7fd
[core] implement support for run-time dependency version checking (#8645)
* implement support for run-time dependency version checking

* try not escaping !

* use findall that works on py36

* small tweaks

* autoformatter worship

* simplify

* shorter names

* add support for non-versioned checks

* add deps

* revert

* tokenizers not required, check version only if installed

* make a proper distutils cmd and add make target

* tqdm must be checked before tokenizers

* workaround the DistributionNotFound peculiar setup

* handle the rest of packages in setup.py

* fully sync setup.py's install_requires - to check them all

* nit

* make install_requires more readable

* typo

* Update setup.py

Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>

* restyle

* add types

* simplify

* simplify2

Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>
2020-11-24 13:22:25 -05:00

92 lines
3.1 KiB
Python

import sys
import numpy
import pkg_resources
from transformers.testing_utils import TestCasePlus
from transformers.utils.versions import require_version, require_version_core, require_version_examples
numpy_ver = numpy.__version__
python_ver = ".".join([str(x) for x in sys.version_info[:3]])
class DependencyVersionCheckTest(TestCasePlus):
def test_core(self):
# lt + different version strings
require_version_core("numpy<1000.4.5")
require_version_core("numpy<1000.4")
require_version_core("numpy<1000")
# le
require_version_core("numpy<=1000.4.5")
require_version_core(f"numpy<={numpy_ver}")
# eq
require_version_core(f"numpy=={numpy_ver}")
# ne
require_version_core("numpy!=1000.4.5")
# ge
require_version_core("numpy>=1.0")
require_version_core("numpy>=1.0.0")
require_version_core(f"numpy>={numpy_ver}")
# gt
require_version_core("numpy>1.0.0")
# requirement w/o version
require_version_core("numpy")
# unmet requirements due to version conflict
for req in ["numpy==1.0.0", "numpy>=1000.0.0", f"numpy<{numpy_ver}"]:
try:
require_version_core(req)
except pkg_resources.VersionConflict as e:
self.assertIn(f"{req} is required", str(e))
self.assertIn("but found", str(e))
# unmet requirements due to missing module
for req in ["numpipypie>1", "numpipypie2"]:
try:
require_version_core(req)
except pkg_resources.DistributionNotFound as e:
self.assertIn(f"The '{req}' distribution was not found and is required by this application", str(e))
self.assertIn("Try: pip install transformers -U", str(e))
# bogus requirements formats:
# 1. whole thing
for req in ["numpy??1.0.0", "numpy1.0.0"]:
try:
require_version_core(req)
except ValueError as e:
self.assertIn("requirement needs to be in the pip package format", str(e))
# 2. only operators
for req in ["numpy=1.0.0", "numpy == 1.00", "numpy<>1.0.0", "numpy><1.00", "numpy>>1.0.0"]:
try:
require_version_core(req)
except ValueError as e:
self.assertIn("need one of ", str(e))
def test_examples(self):
# the main functionality is tested in `test_core`, this is just the hint check
try:
require_version_examples("numpy>1000.4.5")
except pkg_resources.VersionConflict as e:
self.assertIn("is required", str(e))
self.assertIn("pip install -r examples/requirements.txt", str(e))
def test_python(self):
# matching requirement
require_version("python>=3.6.0")
# not matching requirements
for req in ["python>9.9.9", "python<3.0.0"]:
try:
require_version_core(req)
except pkg_resources.VersionConflict as e:
self.assertIn(f"{req} is required", str(e))
self.assertIn(f"but found python=={python_ver}", str(e))