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compose
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Make config validation error messages more consistent. 

Signed-off-by: Daniel Nephin <dnephin@docker.com>
This commit is contained in:
Daniel Nephin 2016-02-19 12:35:05 -05:00
parent 4b2a666231
commit 0d218c34c7
4 changed files with 30 additions and 28 deletions
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33
compose/config/validation.py
View File

@ -111,30 +111,29 @@ def validate_config_section(filename, config, section):
"""
if not isinstance(config, dict):
raise ConfigurationError(
"In file '{filename}' {section} must be a mapping, not "
"'{type}'.".format(
"In file '{filename}', {section} must be a mapping, not "
"{type}.".format(
filename=filename,
section=section,
type=python_type_to_yaml_type(config)))
type=anglicize_json_type(python_type_to_yaml_type(config))))
for key, value in config.items():
if not isinstance(key, six.string_types):
raise ConfigurationError(
"In file '{filename}' {section} name {name} needs to be a "
"string, eg '{name}'".format(
"In file '{filename}', the {section} name {name} must be a "
"quoted string, i.e. '{name}'.".format(
filename=filename,
section=section,
name=key))
if not isinstance(value, (dict, type(None))):
raise ConfigurationError(
"In file '{filename}' {section} '{name}' is the wrong type. "
"It should be a mapping of configuration options, it is a "
"'{type}'.".format(
"In file '{filename}', {section} '{name}' must be a mapping not "
"{type}.".format(
filename=filename,
section=section,
name=key,
type=python_type_to_yaml_type(value)))
type=anglicize_json_type(python_type_to_yaml_type(value))))
def validate_top_level_object(config_file):
@ -203,10 +202,10 @@ def get_unsupported_config_msg(path, error_key):
return msg
def anglicize_validator(validator):
if validator in ["array", "object"]:
return 'an ' + validator
return 'a ' + validator
def anglicize_json_type(json_type):
if json_type.startswith(('a', 'e', 'i', 'o', 'u')):
return 'an ' + json_type
return 'a ' + json_type
def is_service_dict_schema(schema_id):
@ -314,14 +313,14 @@ def _parse_valid_types_from_validator(validator):
a valid type. Parse the valid types and prefix with the correct article.
"""
if not isinstance(validator, list):
return anglicize_validator(validator)
return anglicize_json_type(validator)
if len(validator) == 1:
return anglicize_validator(validator[0])
return anglicize_json_type(validator[0])
return "{}, or {}".format(
", ".join([anglicize_validator(validator[0])] + validator[1:-1]),
anglicize_validator(validator[-1]))
", ".join([anglicize_json_type(validator[0])] + validator[1:-1]),
anglicize_json_type(validator[-1]))
def _parse_oneof_validator(error):

2
docs/compose-file.md
View File

@ -477,7 +477,7 @@ Networks to join, referencing entries under the
#### aliases
Aliases (alternative hostnames) for this service on the network. Other containers on the same network can use either the service name or this alias to connect to one of the service's containers.
Aliases (alternative hostnames) for this service on the network. Other containers on the same network can use either the service name or this alias to connect to one of the service's containers.
Since `aliases` is network-scoped, the same service can have different aliases on different networks.

2
tests/acceptance/cli_test.py
View File

@ -159,7 +159,7 @@ class CLITestCase(DockerClientTestCase):
'-f', 'tests/fixtures/invalid-composefile/invalid.yml',
'config', '-q'
], returncode=1)
assert "'notaservice' is the wrong type" in result.stderr
assert "'notaservice' must be a mapping" in result.stderr
# TODO: this shouldn't be v2-dependent
@v2_only()

21
tests/unit/config/config_test.py
View File

@ -268,7 +268,7 @@ class ConfigTest(unittest.TestCase):
})
with pytest.raises(ConfigurationError) as exc:
config.load(config_details)
assert "volume must be a mapping, not 'array'" in exc.exconly()
assert "volume must be a mapping, not an array" in exc.exconly()
def test_networks_invalid_type_list(self):
config_details = build_config_details({
@ -280,7 +280,7 @@ class ConfigTest(unittest.TestCase):
})
with pytest.raises(ConfigurationError) as exc:
config.load(config_details)
assert "network must be a mapping, not 'array'" in exc.exconly()
assert "network must be a mapping, not an array" in exc.exconly()
def test_load_service_with_name_version(self):
with mock.patch('compose.config.config.log') as mock_logging:
@ -392,8 +392,7 @@ class ConfigTest(unittest.TestCase):
'filename.yml')
with pytest.raises(ConfigurationError) as exc:
config.load(config_details)
error_msg = "service 'web' is the wrong type"
assert error_msg in exc.exconly()
assert "service 'web' must be a mapping not a string." in exc.exconly()
def test_config_integer_service_name_raise_validation_error(self):
with pytest.raises(ConfigurationError) as excinfo:
@ -405,8 +404,10 @@ class ConfigTest(unittest.TestCase):
)
)
assert "In file 'filename.yml' service name 1 needs to be a string, eg '1'" \
in excinfo.exconly()
assert (
"In file 'filename.yml', the service name 1 must be a quoted string, i.e. '1'" in
excinfo.exconly()
)
def test_config_integer_service_name_raise_validation_error_v2(self):
with pytest.raises(ConfigurationError) as excinfo:
@ -421,8 +422,10 @@ class ConfigTest(unittest.TestCase):
)
)
assert "In file 'filename.yml' service name 1 needs to be a string, eg '1'" \
in excinfo.exconly()
assert (
"In file 'filename.yml', the service name 1 must be a quoted string, i.e. '1'." in
excinfo.exconly()
)
def test_load_with_multiple_files_v1(self):
base_file = config.ConfigFile(
@ -556,7 +559,7 @@ class ConfigTest(unittest.TestCase):
with pytest.raises(ConfigurationError) as exc:
config.load(details)
assert "service 'bogus' is the wrong type" in exc.exconly()
assert "service 'bogus' must be a mapping not a string." in exc.exconly()
assert "In file 'override.yaml'" in exc.exconly()
def test_load_sorts_in_dependency_order(self):