sphinx/tests/test_config.py
Paul Melnikow e792279791 Improve error message when config fails type check
The old message printed wrapped brackets around the type name, which would make you think it required an array.
2018-10-02 14:20:36 -04:00

305 lines
11 KiB
Python

# -*- coding: utf-8 -*-
"""
test_config
~~~~~~~~~~~
Test the sphinx.config.Config class and its handling in the
Application class.
:copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import mock
import pytest
import sphinx
from sphinx.config import Config, ENUM, string_classes, check_confval_types
from sphinx.errors import ExtensionError, ConfigError, VersionRequirementError
from sphinx.testing.path import path
@pytest.mark.sphinx(testroot='config', confoverrides={
'master_doc': 'master',
'nonexisting_value': 'True',
'latex_elements.maketitle': 'blah blah blah',
'modindex_common_prefix': 'path1,path2'})
def test_core_config(app, status, warning):
cfg = app.config
# simple values
assert 'project' in cfg.__dict__
assert cfg.project == 'Sphinx <Tests>'
assert cfg.templates_path == ['_templates']
# overrides
assert cfg.master_doc == 'master'
assert cfg.latex_elements['maketitle'] == 'blah blah blah'
assert cfg.modindex_common_prefix == ['path1', 'path2']
# simple default values
assert 'locale_dirs' not in cfg.__dict__
assert cfg.locale_dirs == ['locales']
assert cfg.trim_footnote_reference_space is False
# complex default values
assert 'html_title' not in cfg.__dict__
assert cfg.html_title == 'Sphinx <Tests> 0.6alpha1 documentation'
# complex default values mustn't raise
for valuename in cfg.config_values:
getattr(cfg, valuename)
# "contains" gives True both for set and unset values
assert 'project' in cfg
assert 'html_title' in cfg
assert 'nonexisting_value' not in cfg
# invalid values
with pytest.raises(AttributeError):
getattr(cfg, '_value')
with pytest.raises(AttributeError):
getattr(cfg, 'nonexisting_value')
# non-value attributes are deleted from the namespace
with pytest.raises(AttributeError):
getattr(cfg, 'sys')
# setting attributes
cfg.project = 'Foo'
assert cfg.project == 'Foo'
# alternative access via item interface
cfg['project'] = 'Sphinx Tests'
assert cfg['project'] == cfg.project == 'Sphinx Tests'
def test_extension_values():
config = Config()
# check standard settings
assert config.master_doc == 'index'
# can't override it by add_config_value()
with pytest.raises(ExtensionError) as excinfo:
config.add('master_doc', 'index', 'env', None)
assert 'already present' in str(excinfo.value)
# add a new config value
config.add('value_from_ext', [], 'env', None)
assert config.value_from_ext == []
# can't override it by add_config_value()
with pytest.raises(ExtensionError) as excinfo:
config.add('value_from_ext', [], 'env', None)
assert 'already present' in str(excinfo.value)
def test_overrides():
config = Config({'value1': '1', 'value2': 2, 'value6': {'default': 6}},
{'value2': 999, 'value3': '999', 'value5.attr1': 999, 'value6.attr1': 999,
'value7': 'abc,def,ghi', 'value8': 'abc,def,ghi'})
config.add('value1', None, 'env', ())
config.add('value2', None, 'env', ())
config.add('value3', 0, 'env', ())
config.add('value4', 0, 'env', ())
config.add('value5', {'default': 0}, 'env', ())
config.add('value6', {'default': 0}, 'env', ())
config.add('value7', None, 'env', ())
config.add('value8', [], 'env', ())
config.init_values()
assert config.value1 == '1'
assert config.value2 == 999
assert config.value3 == 999
assert config.value4 == 0
assert config.value5 == {'attr1': 999}
assert config.value6 == {'default': 6, 'attr1': 999}
assert config.value7 == 'abc,def,ghi'
assert config.value8 == ['abc', 'def', 'ghi']
@mock.patch("sphinx.config.logger")
def test_errors_warnings(logger, tempdir):
# test the error for syntax errors in the config file
(tempdir / 'conf.py').write_text(u'project = \n', encoding='ascii')
with pytest.raises(ConfigError) as excinfo:
Config.read(tempdir, {}, None)
assert 'conf.py' in str(excinfo.value)
# test the automatic conversion of 2.x only code in configs
(tempdir / 'conf.py').write_text(
u'# -*- coding: utf-8\n\nproject = u"Jägermeister"\n',
encoding='utf-8')
cfg = Config.read(tempdir, {}, None)
cfg.init_values()
assert cfg.project == u'Jägermeister'
assert logger.called is False
def test_errors_if_setup_is_not_callable(tempdir, make_app):
# test the error to call setup() in the config file
(tempdir / 'conf.py').write_text(u'setup = 1')
with pytest.raises(ConfigError) as excinfo:
make_app(srcdir=tempdir)
assert 'callable' in str(excinfo.value)
@pytest.fixture
def make_app_with_empty_project(make_app, tempdir):
(tempdir / 'conf.py').write_text('')
def _make_app(*args, **kw):
kw.setdefault('srcdir', path(tempdir))
return make_app(*args, **kw)
return _make_app
@mock.patch.object(sphinx, '__display_version__', '1.3.4')
def test_needs_sphinx(make_app_with_empty_project):
make_app = make_app_with_empty_project
# micro version
make_app(confoverrides={'needs_sphinx': '1.3.3'}) # OK: less
make_app(confoverrides={'needs_sphinx': '1.3.4'}) # OK: equals
with pytest.raises(VersionRequirementError):
make_app(confoverrides={'needs_sphinx': '1.3.5'}) # NG: greater
# minor version
make_app(confoverrides={'needs_sphinx': '1.2'}) # OK: less
make_app(confoverrides={'needs_sphinx': '1.3'}) # OK: equals
with pytest.raises(VersionRequirementError):
make_app(confoverrides={'needs_sphinx': '1.4'}) # NG: greater
# major version
make_app(confoverrides={'needs_sphinx': '0'}) # OK: less
make_app(confoverrides={'needs_sphinx': '1'}) # OK: equals
with pytest.raises(VersionRequirementError):
make_app(confoverrides={'needs_sphinx': '2'}) # NG: greater
@mock.patch("sphinx.config.logger")
def test_config_eol(logger, tempdir):
# test config file's eol patterns: LF, CRLF
configfile = tempdir / 'conf.py'
for eol in (b'\n', b'\r\n'):
configfile.write_bytes(b'project = "spam"' + eol)
cfg = Config.read(tempdir, {}, None)
cfg.init_values()
assert cfg.project == u'spam'
assert logger.called is False
@pytest.mark.sphinx(confoverrides={'master_doc': 123,
'language': 'foo',
'primary_domain': None})
def test_builtin_conf(app, status, warning):
warnings = warning.getvalue()
assert 'master_doc' in warnings, (
'override on builtin "master_doc" should raise a type warning')
assert 'language' not in warnings, (
'explicitly permitted override on builtin "language" should NOT raise '
'a type warning')
assert 'primary_domain' not in warnings, (
'override to None on builtin "primary_domain" should NOT raise a type '
'warning')
# example classes for type checking
class A:
pass
class B(A):
pass
class C(A):
pass
# name, default, annotation, actual, warned
TYPECHECK_WARNINGS = [
('value1', 'string', None, 123, True), # wrong type
('value2', lambda _: [], None, 123, True), # lambda with wrong type
('value3', lambda _: [], None, [], False), # lambda with correct type
('value4', 100, None, True, True), # child type
('value5', False, None, True, False), # parent type
('value6', [], None, (), True), # other sequence type
('value7', 'string', [list], ['foo'], False), # explicit type annotation
('value8', B(), None, C(), False), # sibling type
('value9', None, None, 'foo', False), # no default or no annotations
('value10', None, None, 123, False), # no default or no annotations
('value11', None, [str], u'bar', False), # str vs unicode
('value12', 'string', None, u'bar', False), # str vs unicode
('value13', None, string_classes, 'bar', False), # string_classes
('value14', None, string_classes, u'bar', False), # string_classes
('value15', u'unicode', None, 'bar', False), # str vs unicode
('value16', u'unicode', None, u'bar', False), # str vs unicode
]
@mock.patch("sphinx.config.logger")
@pytest.mark.parametrize("name,default,annotation,actual,warned", TYPECHECK_WARNINGS)
def test_check_types(logger, name, default, annotation, actual, warned):
config = Config({name: actual})
config.add(name, default, 'env', annotation or ())
config.init_values()
check_confval_types(None, config)
assert logger.warning.called == warned
TYPECHECK_WARNING_MESSAGES = [
('value1', 'string', [str], ['foo', 'bar'],
"The config value `value1' has type `list'; expected `str'."),
('value1', 'string', [str, int], ['foo', 'bar'],
"The config value `value1' has type `list'; expected `str' or `int'."),
('value1', 'string', [str, int, tuple], ['foo', 'bar'],
"The config value `value1' has type `list'; expected `str', `int', or `tuple'."),
]
@mock.patch("sphinx.config.logger")
@pytest.mark.parametrize("name,default,annotation,actual,message", TYPECHECK_WARNING_MESSAGES)
def test_conf_warning_message(logger, name, default, annotation, actual, message):
config = Config({name: actual})
config.add(name, default, False, annotation or ())
config.init_values()
check_confval_types(None, config)
logger.warning.assert_called()
assert logger.warning.call_args[0][0] == message
@mock.patch("sphinx.config.logger")
def test_check_enum(logger):
config = Config()
config.add('value', 'default', False, ENUM('default', 'one', 'two'))
config.init_values()
check_confval_types(None, config)
logger.warning.assert_not_called() # not warned
@mock.patch("sphinx.config.logger")
def test_check_enum_failed(logger):
config = Config({'value': 'invalid'})
config.add('value', 'default', False, ENUM('default', 'one', 'two'))
config.init_values()
check_confval_types(None, config)
logger.warning.assert_called()
@mock.patch("sphinx.config.logger")
def test_check_enum_for_list(logger):
config = Config({'value': ['one', 'two']})
config.add('value', 'default', False, ENUM('default', 'one', 'two'))
config.init_values()
check_confval_types(None, config)
logger.warning.assert_not_called() # not warned
@mock.patch("sphinx.config.logger")
def test_check_enum_for_list_failed(logger):
config = Config({'value': ['one', 'two', 'invalid']})
config.add('value', 'default', False, ENUM('default', 'one', 'two'))
config.init_values()
check_confval_types(None, config)
logger.warning.assert_called()