def test_hash_not_there():
"Make sure an exception is thrown when a module is not hashed."
try:
Nimporter.get_hash(Path('tests/lib4/lib4.nim'))
assert False, 'Exception should have been thrown.'
except NimporterException:
"Expected case"
def test_hash():
"Make sure when a module is modified it's hash is also."
module = Path('tests/pkg1/mod2.nim')
Nimporter.update_hash(module)
original_hash = Nimporter.get_hash(module)
original_text = module.read_text()
module.write_text(original_text.replace('World', 'Pebaz'))
assert Nimporter.hash_file(module) != original_hash
module.write_text(original_text.replace('Pebaz', 'World'))
assert Nimporter.hash_file(module) == original_hash