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bpo-36763: InitConfigTests tests all core config (GH-13331) 

Remove UNTESTED_CORE_CONFIG from test_embed.InitConfigTests: all core
config fields are now tested!

Changes:

* Test also dll_path on Windows
* Add run_main_config unit test: test config using _Py_RunMain().
This commit is contained in:
Victor Stinner 2019-05-15 02:12:48 +02:00 committed by GitHub
parent 54b74fe9df
commit 5eb8b07f87
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 48 additions and 19 deletions
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45
Lib/test/test_embed.py
View File

@ -269,12 +269,6 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
maxDiff = 4096
UTF8_MODE_ERRORS = ('surrogatepass' if MS_WINDOWS else 'surrogateescape')
# core config
UNTESTED_CORE_CONFIG = (
# FIXME: untested core configuration variables
'dll_path',
'module_search_paths',
)
# Mark config which should be get by get_default_config()
GET_DEFAULT_CONFIG = object()
DEFAULT_PRE_CONFIG = {
@ -324,6 +318,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'base_prefix': GET_DEFAULT_CONFIG,
'exec_prefix': GET_DEFAULT_CONFIG,
'base_exec_prefix': GET_DEFAULT_CONFIG,
'module_search_paths': GET_DEFAULT_CONFIG,
'site_import': 1,
'bytes_warning': 0,
@ -354,6 +349,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'legacy_windows_fs_encoding': 0,
})
DEFAULT_CORE_CONFIG.update({
'dll_path': GET_DEFAULT_CONFIG,
'legacy_windows_stdio': 0,
})
@ -410,7 +406,10 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
code = textwrap.dedent('''
import json
import sys
import _testinternalcapi
configs = _testinternalcapi.get_configs()
core_config = configs['core_config']
data = {
'stdio_encoding': sys.stdout.encoding,
'stdio_errors': sys.stdout.errors,
@ -420,8 +419,10 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'base_exec_prefix': sys.base_exec_prefix,
'filesystem_encoding': sys.getfilesystemencoding(),
'filesystem_errors': sys.getfilesystemencodeerrors(),
'module_search_paths': sys.path,
'module_search_paths': core_config['module_search_paths'],
}
if sys.platform == 'win32':
data['dll_path'] = core_config['dll_path']
data = json.dumps(data)
data = data.encode('utf-8')
@ -431,7 +432,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
# Use -S to not import the site module: get the proper configuration
# when test_embed is run from a venv (bpo-35313)
args = (sys.executable, '-S', '-c', code)
args = [sys.executable, '-S', '-c', code]
env = dict(env)
if not expected['isolated']:
env['PYTHONCOERCECLOCALE'] = '0'
@ -462,7 +463,9 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
for key, value in expected.items():
if value is self.GET_DEFAULT_CONFIG:
expected[key] = config[key]
expected['module_search_paths'] = config['module_search_paths']
if add_path is not None:
expected['module_search_paths'].append(add_path)
return expected
def check_pre_config(self, config, expected):
@ -470,16 +473,8 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
core_config = dict(config['core_config'])
self.assertEqual(pre_config, expected)
def check_core_config(self, config, expected, add_path=None):
def check_core_config(self, config, expected):
core_config = dict(config['core_config'])
if add_path is not None:
paths = [*expected['module_search_paths'], add_path]
if not paths[0]:
del paths[0]
self.assertEqual(core_config['module_search_paths'], paths)
for key in self.UNTESTED_CORE_CONFIG:
core_config.pop(key, None)
expected.pop(key, None)
self.assertEqual(core_config, expected)
def check_global_config(self, config):
@ -529,7 +524,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
expected_preconfig[key] = expected_config[key]
self.check_pre_config(config, expected_preconfig)
self.check_core_config(config, expected_config, add_path)
self.check_core_config(config, expected_config)
self.check_global_config(config)
def test_init_default_config(self):
@ -693,6 +688,18 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
self.check_config("init_read_set", core_config, preconfig,
add_path="init_read_set_path")
def test_run_main_config(self):
preconfig = {}
code = ('import _testinternalcapi, json; '
'print(json.dumps(_testinternalcapi.get_configs()))')
core_config = {
'argv': ['-c', 'arg2'],
'program': 'python3',
'program_name': './python3',
'run_command': code + '\n',
}
self.check_config("run_main_config", core_config, preconfig)
if __name__ == "__main__":
unittest.main()

22
Programs/_testembed.c
View File

@ -747,6 +747,27 @@ static int test_run_main(void)
}
static int test_run_main_config(void)
{
_PyCoreConfig config = _PyCoreConfig_INIT;
wchar_t *argv[] = {L"python3", L"-c",
(L"import _testinternalcapi, json; "
L"print(json.dumps(_testinternalcapi.get_configs()))"),
L"arg2"};
config.argv.length = Py_ARRAY_LENGTH(argv);
config.argv.items = argv;
config.program_name = L"./python3";
_PyInitError err = _Py_InitializeFromConfig(&config);
if (_Py_INIT_FAILED(err)) {
_Py_ExitInitError(err);
}
return _Py_RunMain();
}
/* *********************************************************
* List of test cases and the function that implements it.
*
@ -785,6 +806,7 @@ static struct TestCase TestCases[] = {
{ "preinit_isolated2", test_preinit_isolated2 },
{ "init_read_set", test_init_read_set },
{ "run_main", test_run_main },
{ "run_main_config", test_run_main_config },
{ NULL, NULL }
};