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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| import json | ||
| import os | ||
| import sys | ||
| import sysconfig | ||
| import string | ||
| import unittest | ||
|
|
||
| from test.support import is_android, is_apple_mobile, is_emscripten, is_wasi | ||
|
|
||
|
|
||
| class FormatTestsBase: | ||
| @property | ||
| def contents(self): | ||
| """Install details file contents. Should be overriden by subclasses.""" | ||
| raise NotImplementedError | ||
|
|
||
| @property | ||
| def data(self): | ||
| """Parsed install details file data, as a Python object.""" | ||
| return json.loads(self.contents) | ||
|
|
||
| def key(self, name): | ||
| """Helper to fetch subsection entries. | ||
| It takes the entry name, allowing the usage of a dot to separate the | ||
| different subsection names (eg. specifying 'a.b.c' as the key will | ||
| return the value of self.data['a']['b']['c']). | ||
| """ | ||
| value = self.data | ||
| for part in name.split('.'): | ||
| value = value[part] | ||
| return value | ||
|
|
||
| def test_parse(self): | ||
| self.data | ||
|
|
||
| def test_top_level_container(self): | ||
| self.assertIsInstance(self.data, dict) | ||
| for key, value in self.data.items(): | ||
| with self.subTest(key=key): | ||
| if key in ('schema_version', 'base_prefix', 'base_interpreter', 'platform'): | ||
| self.assertIsInstance(value, str) | ||
| elif key in ('language', 'implementation', 'abi', 'suffixes', 'libpython', 'c_api', 'arbitrary_data'): | ||
| self.assertIsInstance(value, dict) | ||
|
|
||
| def test_base_prefix(self): | ||
| self.assertIsInstance(self.key('base_prefix'), str) | ||
|
|
||
| def test_base_interpreter(self): | ||
| """Test the base_interpreter entry. | ||
| The generic test wants the key to be missing. If your implementation | ||
| provides a value for it, you should override this test. | ||
| """ | ||
| with self.assertRaises(KeyError): | ||
| self.key('base_interpreter') | ||
|
|
||
| def test_platform(self): | ||
| self.assertEqual(self.key('platform'), sysconfig.get_platform()) | ||
|
|
||
| def test_language_version(self): | ||
| allowed_characters = string.digits + string.ascii_letters + '.' | ||
| value = self.key('language.version') | ||
|
|
||
| self.assertLessEqual(set(value), set(allowed_characters)) | ||
| self.assertTrue(sys.version.startswith(value)) | ||
|
|
||
| def test_language_version_info(self): | ||
| value = self.key('language.version_info') | ||
|
|
||
| self.assertEqual(len(value), sys.version_info.n_fields) | ||
| for part_name, part_value in value.items(): | ||
| with self.subTest(part=part_name): | ||
| self.assertEqual(part_value, getattr(sys.version_info, part_name)) | ||
|
|
||
| def test_implementation(self): | ||
| for key, value in self.key('implementation').items(): | ||
| with self.subTest(part=key): | ||
| if key == 'version': | ||
| self.assertEqual(len(value), len(sys.implementation.version)) | ||
| for part_name, part_value in value.items(): | ||
| self.assertEqual(getattr(sys.implementation.version, part_name), part_value) | ||
| else: | ||
| self.assertEqual(getattr(sys.implementation, key), value) | ||
|
|
||
|
|
||
| needs_installed_python = unittest.skipIf( | ||
| sysconfig.is_python_build(), | ||
| 'This test can only run in an installed Python', | ||
| ) | ||
|
|
||
|
|
||
| @unittest.skipIf(os.name != 'posix', 'Feature only implemented on POSIX right now') | ||
| @unittest.skipIf(is_wasi or is_emscripten, 'Feature not available on WebAssembly builds') | ||
| class CPythonBuildDetailsTests(unittest.TestCase, FormatTestsBase): | ||
| """Test CPython's install details file implementation.""" | ||
|
|
||
| @property | ||
| def location(self): | ||
| if sysconfig.is_python_build(): | ||
| projectdir = sysconfig.get_config_var('projectbase') | ||
| with open(os.path.join(projectdir, 'pybuilddir.txt')) as f: | ||
| dirname = os.path.join(projectdir, f.read()) | ||
| else: | ||
| dirname = sysconfig.get_path('stdlib') | ||
| return os.path.join(dirname, 'build-details.json') | ||
|
|
||
| @property | ||
| def contents(self): | ||
| with open(self.location, 'r') as f: | ||
| return f.read() | ||
|
|
||
| @needs_installed_python | ||
| def test_location(self): | ||
| self.assertTrue(os.path.isfile(self.location)) | ||
|
|
||
| # Override generic format tests with tests for our specific implemenation. | ||
|
|
||
| @needs_installed_python | ||
| @unittest.skipIf(is_android or is_apple_mobile, 'Android and iOS run tests via a custom testbed method that changes sys.executable') | ||
| def test_base_interpreter(self): | ||
| value = self.key('base_interpreter') | ||
|
|
||
| self.assertEqual(os.path.realpath(value), os.path.realpath(sys.executable)) | ||
|
|
||
|
|
||
| if __name__ == '__main__': | ||
| unittest.main() |
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