def test_get_module_raises_on_inner_import(known_dirs):
"""get_module should not hide failing import statements in imported mod."""
p = Path.cwd().joinpath('tests')
moduleloader.set_working_directory(p)
with pytest.raises(PyModuleNotFoundError) as err:
moduleloader.get_module('arbpack.arbinvalidimportmod')
assert str(err.value) == (
'error importing module blahblah in arbpack.arbinvalidimportmod')
assert sys.path == ['arb', str(p)]
def test_get_module_raises():
"""On get_module ModuleNotFoundError on module not found."""
with pytest.raises(PyModuleNotFoundError) as err:
moduleloader.get_module('unlikelyblahmodulenameherexxssz')
assert str(err.value) == (
"unlikelyblahmodulenameherexxssz.py should be in your working "
"dir or it should be installed to the python path."
"\nIf you have 'package.sub.mod' your current working "
"dir should contain ./package/sub/mod.py\n"
"If you specified 'mymodulename', your current "
"working dir should contain ./mymodulename.py\n"
"If the module is not in your current working dir, it "
"must exist in your current python path - so you "
"should have run pip install or setup.py")
def test_get_module_in_package_pass(known_dirs):
"""See get_module find a module in a package in cwd using dot notation."""
p = Path.cwd().joinpath('tests')
moduleloader.set_working_directory(p)
arb_module = moduleloader.get_module('arbpack.arbmod')
assert arb_module
assert arb_module.__name__ == 'arbpack.arbmod'
assert hasattr(arb_module, 'arbmod_attribute')
assert sys.path == ['arb', str(p)]
def test_get_module_raises_friendly_on_package_import(known_dirs):
"""get_module should not obscure missing module in existing package."""
p = Path.cwd().joinpath('tests')
moduleloader.set_working_directory(p)
with pytest.raises(PyModuleNotFoundError) as err:
moduleloader.get_module('arbpack.idontexist')
assert str(
err.value) == ("arbpack.idontexist.py should be in your working "
"dir or it should be installed to the python path."
"\nIf you have 'package.sub.mod' your current working "
"dir should contain ./package/sub/mod.py\n"
"If you specified 'mymodulename', your current "
"working dir should contain ./mymodulename.py\n"
"If the module is not in your current working dir, it "
"must exist in your current python path - so you "
"should have run pip install or setup.py")
assert sys.path == ['arb', str(p)]
def test_get_module_pass(known_dirs):
"""Pass when get_module finds a module in cwd."""
p = Path.cwd().joinpath('tests', 'testfiles')
moduleloader.set_working_directory(p)
arb_module = moduleloader.get_module('arb')
assert arb_module
assert arb_module.__name__ == 'arb'
assert hasattr(arb_module, 'arb_attribute')
assert sys.path == ['arb', str(p)]
def test_get_module_raises_compatible_error():
"""get_module should raise error compatible with ModuleNotFoundError."""
with pytest.raises(ModuleNotFoundError):
moduleloader.get_module('unlikelyblahmodulenameherexxssz')