def test_valid_interpolations(self):
self.assertEqual(interpolate('$foo', bddict(foo='hi')), 'hi')
self.assertEqual(interpolate('${foo}', bddict(foo='hi')), 'hi')
self.assertEqual(interpolate('${subject} love you', bddict(subject='i')), 'i love you')
self.assertEqual(interpolate('i ${verb} you', bddict(verb='love')), 'i love you')
self.assertEqual(interpolate('i love ${object}', bddict(object='you')), 'i love you')
def test_invalid_strings(self):
self.assertRaises(InvalidInterpolation, lambda: interpolate('${', bddict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('$}', bddict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('${}', bddict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('${ }', bddict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('${ foo}', bddict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('${foo }', bddict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('${foo!}', bddict()))
def get_version_info(self,
original_fnc,
no_cache=False,
pull=False,
force_rm=False):
tmp_docker_file_name_with_path = None
if 'build' in self.options:
environment = merge_two_dicts(self.options.get('environment', {}),
dict(Environment.from_env_file('.')))
build_path = self.options['build']['context']
if 'dockerfile' in self.options['build']:
docker_file_name = self.options['build']['dockerfile']
else:
docker_file_name = 'Dockerfile'
docker_file_name_with_path = os.path.join(build_path, docker_file_name)
tmp_docker_file_name_with_path = os.path.join(
build_path, '.tmp_' + docker_file_name)
with open(docker_file_name_with_path, 'r') as docker_file,\
open(tmp_docker_file_name_with_path, 'w') as tmp_docker_file:
for line in docker_file:
line_to_write = None
for command in docker_build_interpolatable_commands:
if line.strip().startswith(command):
line_to_write = interpolate(line, environment)
if line_to_write is None:
line_to_write = line
tmp_docker_file.write(line_to_write)
self.options['build']['dockerfile'] = tmp_docker_file_name_with_path
try:
return_value = original_fnc(self, no_cache, pull, force_rm)
if tmp_docker_file_name_with_path is not None:
os.remove(tmp_docker_file_name_with_path)
return return_value
except BuildError as e:
if tmp_docker_file_name_with_path is not None:
os.remove(tmp_docker_file_name_with_path)
raise e
def test_escaped_interpolation(self):
self.assertEqual(interpolate('$${foo}', bddict(foo='hi')), '${foo}')
def test_unset_value(self):
self.assertEqual(interpolate('${foo}', bddict()), '')
def test_empty_value(self):
self.assertEqual(interpolate('${foo}', bddict(foo='')), '')
