def test_pth_files_are_read_from__PYTHONSITE(arch_in_path, tmp_path, monkeypatch, capsys):
sitearch = tmp_path / 'lib64'
sitearch.mkdir()
sitelib = tmp_path / 'lib'
sitelib.mkdir()
for where, word in (sitearch, "ARCH"), (sitelib, "LIB"), (sitelib, "MOD"):
module = where / f'print{word}.py'
module.write_text(f'print("{word}")')
pth_sitearch = sitearch / 'ARCH.pth'
pth_sitearch.write_text('import printARCH\n')
pth_sitelib = sitelib / 'LIB.pth'
pth_sitelib.write_text('import printLIB\n')
if arch_in_path:
sys.path.append(str(sitearch))
sys.path.append(str(sitelib))
# we always add sitearch to _PYTHONSITE
# but when not in sys.path, it should not be processed for .pth files
monkeypatch.setenv('_PYTHONSITE', f'{sitearch}:{sitelib}')
modules_main(['printMOD'])
out, err = capsys.readouterr()
if arch_in_path:
assert out == 'ARCH\nLIB\nMOD\n'
else:
assert out == 'LIB\nMOD\n'
def test_only_toplevel_included_modules_found(tmp_path):
# Nested structure that is supposed to be importable
nested_path_1 = tmp_path / 'nested'
nested_path_2 = nested_path_1 / 'more_nested'
for path in (nested_path_1, nested_path_2):
Path.mkdir(path)
test_module_1 = tmp_path / 'this_is_a_module_in_level_0.py'
test_module_4 = tmp_path / 'this_is_another_module_in_level_0.py'
test_module_2 = nested_path_1 / 'this_is_a_module_in_level_1.py'
test_module_3 = nested_path_2 / 'this_is_a_module_in_level_2.py'
for module in (test_module_1, test_module_2, test_module_3, test_module_4):
module.write_text('')
sys.path.append(str(tmp_path))
modules_main([
'this_is_a_module_in_level_0',
'this_is_another_module_in_level_0',
'nested.this_is_a_module_in_level_1',
'nested.more_nested.this_is_a_module_in_level_2',
'-t',
'-e', '*another*'
])
assert 'nested.this_is_a_module_in_level_1' not in sys.modules
assert 'nested.more_nested.this_is_a_module_in_level_2' not in sys.modules
assert 'this_is_another_module_in_level_0' not in sys.modules
assert 'this_is_a_module_in_level_0' in sys.modules
def test_modules_both_from_files_and_cli_are_imported(tmp_path):
test_file_1 = tmp_path / 'this_is_a_file_in_tmp_path_1.txt'
test_file_1.write_text('this_is_a_module_in_tmp_path_1')
test_file_2 = tmp_path / 'this_is_a_file_in_tmp_path_2.txt'
test_file_2.write_text('this_is_a_module_in_tmp_path_2')
test_module_1 = tmp_path / 'this_is_a_module_in_tmp_path_1.py'
test_module_2 = tmp_path / 'this_is_a_module_in_tmp_path_2.py'
test_module_3 = tmp_path / 'this_is_a_module_in_tmp_path_3.py'
for module in (test_module_1, test_module_2, test_module_3):
module.write_text('')
sys.path.append(str(tmp_path))
modules_main([
'-f', str(test_file_1),
'this_is_a_module_in_tmp_path_3',
'-f', str(test_file_2),
])
expected = (
'this_is_a_module_in_tmp_path_1',
'this_is_a_module_in_tmp_path_2',
'this_is_a_module_in_tmp_path_3',
)
for module in expected:
assert module in sys.modules
def test_import_all_modules_does_not_import():
'''Ensure the files from /usr/lib/rpm/redhat cannot be imported and
checked for import'''
# We already imported it in this file once, make sure it's not imported
# from the cache
sys.modules.pop('import_all_modules')
with pytest.raises(ModuleNotFoundError):
modules_main(['import_all_modules'])
def test_module_with_error_propagates_exception(tmp_path):
test_module_1 = tmp_path / 'this_is_a_module_in_tmp_path_1.py'
test_module_1.write_text('0/0')
sys.path.append(str(tmp_path))
# The correct exception must be raised
with pytest.raises(ZeroDivisionError):
modules_main([
'this_is_a_module_in_tmp_path_1',
])
def test_non_existing_module_raises_exception(tmp_path):
test_module_1 = tmp_path / 'this_is_a_module_in_tmp_path_1.py'
test_module_1.write_text('')
sys.path.append(str(tmp_path))
with pytest.raises(ModuleNotFoundError):
modules_main([
'this_is_a_module_in_tmp_path_1',
'this_is_a_module_in_tmp_path_2',
])
def test_module_list_from_relative_path(tmp_path, monkeypatch):
monkeypatch.chdir(tmp_path)
test_file_1 = Path('this_is_a_file_in_cwd.txt')
test_file_1.write_text('wave')
sys.modules.pop('wave', None)
modules_main([
'-f', 'this_is_a_file_in_cwd.txt'
])
assert 'wave' in sys.modules
def test_modules_from_file_are_found(tmp_path):
test_file = tmp_path / 'this_is_a_file_in_tmp_path.txt'
test_file.write_text('math\nwave\nsunau\n')
# Make sure the tested modules are not already in sys.modules
for m in ('math', 'wave', 'sunau'):
sys.modules.pop(m, None)
modules_main(['-f', str(test_file)])
assert 'sunau' in sys.modules
assert 'math' in sys.modules
assert 'wave' in sys.modules
def test_modules_from_files_are_found(tmp_path):
test_file_1 = tmp_path / 'this_is_a_file_in_tmp_path_1.txt'
test_file_2 = tmp_path / 'this_is_a_file_in_tmp_path_2.txt'
test_file_3 = tmp_path / 'this_is_a_file_in_tmp_path_3.txt'
test_file_1.write_text('math\nwave\n')
test_file_2.write_text('sunau\npathlib\n')
test_file_3.write_text('logging\nsunau\n')
# Make sure the tested modules are not already in sys.modules
for m in ('math', 'wave', 'sunau', 'pathlib', 'logging'):
sys.modules.pop(m, None)
modules_main(['-f', str(test_file_1), '-f', str(test_file_2), '-f', str(test_file_3), ])
for module in ('sunau', 'math', 'wave', 'pathlib', 'logging'):
assert module in sys.modules
def test_excluding_all_modules_raises_error(tmp_path):
test_module_1 = tmp_path / 'module_in_tmp_path_1.py'
test_module_2 = tmp_path / 'module_in_tmp_path_2.py'
test_module_3 = tmp_path / 'module_in_tmp_path_3.py'
for module in (test_module_1, test_module_2, test_module_3):
module.write_text('')
sys.path.append(str(tmp_path))
test_file_1 = tmp_path / 'a_file_in_tmp_path_1.txt'
test_file_1.write_text('module_in_tmp_path_1\nmodule_in_tmp_path_2\nmodule_in_tmp_path_3\n')
with pytest.raises(ValueError):
modules_main([
'-e', 'module_in_tmp_path*',
'-f', str(test_file_1),
])
def test_correct_modules_are_excluded(tmp_path):
test_module_1 = tmp_path / 'module_in_tmp_path_1.py'
test_module_2 = tmp_path / 'module_in_tmp_path_2.py'
test_module_3 = tmp_path / 'module_in_tmp_path_3.py'
for module in (test_module_1, test_module_2, test_module_3):
module.write_text('')
sys.path.append(str(tmp_path))
test_file_1 = tmp_path / 'a_file_in_tmp_path_1.txt'
test_file_1.write_text('module_in_tmp_path_1\nmodule_in_tmp_path_2\nmodule_in_tmp_path_3\n')
modules_main([
'-e', 'module_in_tmp_path_2',
'-f', str(test_file_1),
'-e', 'module_in_tmp_path_3',
])
assert 'module_in_tmp_path_1' in sys.modules
assert 'module_in_tmp_path_2' not in sys.modules
assert 'module_in_tmp_path_3' not in sys.modules
def test_nested_modules_found_when_expected(tmp_path, monkeypatch, capsys):
# This one is supposed to raise an error
cwd_path = tmp_path / 'test_cwd'
Path.mkdir(cwd_path)
test_module_1 = cwd_path / 'this_is_a_module_in_cwd.py'
# Nested structure that is supposed to be importable
nested_path_1 = tmp_path / 'nested'
nested_path_2 = nested_path_1 / 'more_nested'
for path in (nested_path_1, nested_path_2):
Path.mkdir(path)
test_module_2 = tmp_path / 'this_is_a_module_in_level_0.py'
test_module_3 = nested_path_1 / 'this_is_a_module_in_level_1.py'
test_module_4 = nested_path_2 / 'this_is_a_module_in_level_2.py'
for module in (test_module_1, test_module_2, test_module_3, test_module_4):
module.write_text('')
sys.path.append(str(tmp_path))
monkeypatch.chdir(cwd_path)
with pytest.raises(ModuleNotFoundError):
modules_main([
'this_is_a_module_in_level_0',
'nested.this_is_a_module_in_level_1',
'nested.more_nested.this_is_a_module_in_level_2',
'this_is_a_module_in_cwd'])
_, err = capsys.readouterr()
assert 'Check import: this_is_a_module_in_level_0' in err
assert 'Check import: nested.this_is_a_module_in_level_1' in err
assert 'Check import: nested.more_nested.this_is_a_module_in_level_2' in err
assert 'Check import: this_is_a_module_in_cwd' in err
def test_nonexisting_modules_raise_exception_on_import(tmp_path):
test_file = tmp_path / 'this_is_a_file_in_tmp_path.txt'
test_file.write_text('nonexisting_module\nanother\n')
with pytest.raises(ModuleNotFoundError):
modules_main(['-f', str(test_file)])
def test_modules_from_sys_path_found(tmp_path):
test_module = tmp_path / 'this_is_a_module_in_sys_path.py'
test_module.write_text('')
sys.path.append(str(tmp_path))
modules_main(['this_is_a_module_in_sys_path'])
assert 'this_is_a_module_in_sys_path' in sys.modules
def test_modules_from_cwd_not_found(tmp_path, monkeypatch):
test_module = tmp_path / 'this_is_a_module_in_cwd.py'
test_module.write_text('')
monkeypatch.chdir(tmp_path)
with pytest.raises(ModuleNotFoundError):
modules_main(['this_is_a_module_in_cwd'])
def test_main_raises_error_when_no_modules_provided():
'''If no filename nor modules were provided, ValueError is raised.'''
with pytest.raises(ValueError):
modules_main([])
