def test_overrides(self):
# pylint: disable=missing-docstring
class SomeBase(object):
def method1(self):
pass
def method2(self):
pass
class Derived1(SomeBase):
def method1(self):
pass
self.assertTrue(overrides(Derived1(), "method1", SomeBase))
self.assertFalse(overrides(Derived1(), "method2", SomeBase))
class FurtherDerived1(Derived1):
"""Derive again from Derived1, inherit its method1."""
pass
self.assertTrue(overrides(FurtherDerived1(), "method1", SomeBase))
self.assertFalse(overrides(FurtherDerived1(), "method2", SomeBase))
class FurtherDerived2(Derived1):
"""Override the overridden method."""
def method1(self):
pass
self.assertTrue(overrides(FurtherDerived2(), "method1", SomeBase))
self.assertFalse(overrides(FurtherDerived2(), "method2", SomeBase))
class Mixin(object):
"""A mixin that overrides method1."""
def method1(self):
pass
class Derived2(Mixin, SomeBase):
"""A class that gets the method from the mixin."""
pass
self.assertTrue(overrides(Derived2(), "method1", SomeBase))
self.assertFalse(overrides(Derived2(), "method2", SomeBase))
def test_overrides(self):
# pylint: disable=missing-docstring
class SomeBase(object):
def method1(self):
pass
def method2(self):
pass
class Derived1(SomeBase):
def method1(self):
pass
self.assertTrue(overrides(Derived1(), "method1", SomeBase))
self.assertFalse(overrides(Derived1(), "method2", SomeBase))
class FurtherDerived1(Derived1):
"""Derive again from Derived1, inherit its method1."""
pass
self.assertTrue(overrides(FurtherDerived1(), "method1", SomeBase))
self.assertFalse(overrides(FurtherDerived1(), "method2", SomeBase))
class FurtherDerived2(Derived1):
"""Override the overridden method."""
def method1(self):
pass
self.assertTrue(overrides(FurtherDerived2(), "method1", SomeBase))
self.assertFalse(overrides(FurtherDerived2(), "method2", SomeBase))
class Mixin(object):
"""A mixin that overrides method1."""
def method1(self):
pass
class Derived2(Mixin, SomeBase):
"""A class that gets the method from the mixin."""
pass
self.assertTrue(overrides(Derived2(), "method1", SomeBase))
self.assertFalse(overrides(Derived2(), "method2", SomeBase))
def _init(self):
"""Set all the initial state.
This is called by the public methods to initialize state. This lets us
construct a Coverage object, then tweak its state before this function
is called.
"""
from coverage import __version__
if self._inited:
return
# Create and configure the debugging controller.
if self._debug_file is None:
self._debug_file = sys.stderr
self.debug = DebugControl(self.config.debug, self._debug_file)
# Load plugins
self.plugins = Plugins.load_plugins(self.config.plugins, self.config)
self.file_tracing_plugins = []
for plugin in self.plugins:
if overrides(plugin, "file_tracer", CoveragePlugin):
self.file_tracing_plugins.append(plugin)
# _exclude_re is a dict that maps exclusion list names to compiled
# regexes.
self._exclude_re = {}
self._exclude_regex_stale()
self.file_locator = FileLocator()
# The source argument can be directories or package names.
self.source = []
self.source_pkgs = []
for src in self.config.source or []:
if os.path.exists(src):
self.source.append(self.file_locator.canonical_filename(src))
else:
self.source_pkgs.append(src)
self.omit = prep_patterns(self.config.omit)
self.include = prep_patterns(self.config.include)
concurrency = self.config.concurrency
if concurrency == "multiprocessing":
patch_multiprocessing()
concurrency = None
self.collector = Collector(
should_trace=self._should_trace,
check_include=self._check_include_omit_etc,
timid=self.config.timid,
branch=self.config.branch,
warn=self._warn,
concurrency=concurrency,
)
# Early warning if we aren't going to be able to support plugins.
if self.file_tracing_plugins and not self.collector.supports_plugins:
self._warn(
"Plugin file tracers (%s) aren't supported with %s" % (
", ".join(
plugin._coverage_plugin_name
for plugin in self.file_tracing_plugins
),
self.collector.tracer_name(),
)
)
for plugin in self.file_tracing_plugins:
plugin._coverage_enabled = False
# Suffixes are a bit tricky. We want to use the data suffix only when
# collecting data, not when combining data. So we save it as
# `self.run_suffix` now, and promote it to `self.data_suffix` if we
# find that we are collecting data later.
if self._data_suffix or self.config.parallel:
if not isinstance(self._data_suffix, string_class):
# if data_suffix=True, use .machinename.pid.random
self._data_suffix = True
else:
self._data_suffix = None
self.data_suffix = None
self.run_suffix = self._data_suffix
# Create the data file. We do this at construction time so that the
# data file will be written into the directory where the process
# started rather than wherever the process eventually chdir'd to.
self.data = CoverageData(
basename=self.config.data_file,
collector="coverage v%s" % __version__,
debug=self.debug,
)
# The dirs for files considered "installed with the interpreter".
self.pylib_dirs = set()
if not self.config.cover_pylib:
# Look at where some standard modules are located. That's the
# indication for "installed with the interpreter". In some
# environments (virtualenv, for example), these modules may be
# spread across a few locations. Look at all the candidate modules
# we've imported, and take all the different ones.
for m in (atexit, os, platform, random, socket, _structseq):
if m is not None and hasattr(m, "__file__"):
self.pylib_dirs.add(self._canonical_dir(m))
if _structseq and not hasattr(_structseq, '__file__'):
# PyPy 2.4 has no __file__ in the builtin modules, but the code
# objects still have the filenames. So dig into one to find
# the path to exclude.
structseq_new = _structseq.structseq_new
try:
structseq_file = structseq_new.func_code.co_filename
except AttributeError:
structseq_file = structseq_new.__code__.co_filename
self.pylib_dirs.add(self._canonical_dir(structseq_file))
# To avoid tracing the coverage code itself, we skip anything located
# where we are.
self.cover_dir = self._canonical_dir(__file__)
# Set the reporting precision.
Numbers.set_precision(self.config.precision)
atexit.register(self._atexit)
self._inited = True
# Create the matchers we need for _should_trace
if self.source or self.source_pkgs:
self.source_match = TreeMatcher(self.source)
self.source_pkgs_match = ModuleMatcher(self.source_pkgs)
else:
if self.cover_dir:
self.cover_match = TreeMatcher([self.cover_dir])
if self.pylib_dirs:
self.pylib_match = TreeMatcher(self.pylib_dirs)
if self.include:
self.include_match = FnmatchMatcher(self.include)
if self.omit:
self.omit_match = FnmatchMatcher(self.omit)
# The user may want to debug things, show info if desired.
wrote_any = False
if self.debug.should('config'):
config_info = sorted(self.config.__dict__.items())
self.debug.write_formatted_info("config", config_info)
wrote_any = True
if self.debug.should('sys'):
self.debug.write_formatted_info("sys", self.sys_info())
for plugin in self.plugins:
header = "sys: " + plugin._coverage_plugin_name
info = plugin.sys_info()
self.debug.write_formatted_info(header, info)
wrote_any = True
if wrote_any:
self.debug.write_formatted_info("end", ())
def _init(self):
"""Set all the initial state.
This is called by the public methods to initialize state. This lets us
construct a Coverage object, then tweak its state before this function
is called.
"""
from coverage import __version__
if self._inited:
return
# Create and configure the debugging controller.
if self._debug_file is None:
self._debug_file = sys.stderr
self.debug = DebugControl(self.config.debug, self._debug_file)
# Load plugins
self.plugins = Plugins.load_plugins(self.config.plugins, self.config)
self.file_tracers = []
for plugin in self.plugins:
if overrides(plugin, "file_tracer", CoveragePlugin):
self.file_tracers.append(plugin)
# _exclude_re is a dict that maps exclusion list names to compiled
# regexes.
self._exclude_re = {}
self._exclude_regex_stale()
self.file_locator = FileLocator()
# The source argument can be directories or package names.
self.source = []
self.source_pkgs = []
for src in self.config.source or []:
if os.path.exists(src):
self.source.append(self.file_locator.canonical_filename(src))
else:
self.source_pkgs.append(src)
self.omit = prep_patterns(self.config.omit)
self.include = prep_patterns(self.config.include)
concurrency = self.config.concurrency
if concurrency == "multiprocessing":
patch_multiprocessing()
concurrency = None
self.collector = Collector(
should_trace=self._should_trace,
check_include=self._check_include_omit_etc,
timid=self.config.timid,
branch=self.config.branch,
warn=self._warn,
concurrency=concurrency,
)
# Early warning if we aren't going to be able to support plugins.
if self.file_tracers and not self.collector.supports_plugins:
raise CoverageException(
"Plugin file tracers (%s) aren't supported with %s" % (
", ".join(ft._coverage_plugin_name
for ft in self.file_tracers),
self.collector.tracer_name(),
))
# Suffixes are a bit tricky. We want to use the data suffix only when
# collecting data, not when combining data. So we save it as
# `self.run_suffix` now, and promote it to `self.data_suffix` if we
# find that we are collecting data later.
if self._data_suffix or self.config.parallel:
if not isinstance(self._data_suffix, string_class):
# if data_suffix=True, use .machinename.pid.random
self._data_suffix = True
else:
self._data_suffix = None
self.data_suffix = None
self.run_suffix = self._data_suffix
# Create the data file. We do this at construction time so that the
# data file will be written into the directory where the process
# started rather than wherever the process eventually chdir'd to.
self.data = CoverageData(
basename=self.config.data_file,
collector="coverage v%s" % __version__,
debug=self.debug,
)
# The dirs for files considered "installed with the interpreter".
self.pylib_dirs = set()
if not self.config.cover_pylib:
# Look at where some standard modules are located. That's the
# indication for "installed with the interpreter". In some
# environments (virtualenv, for example), these modules may be
# spread across a few locations. Look at all the candidate modules
# we've imported, and take all the different ones.
for m in (atexit, os, platform, random, socket, _structseq):
if m is not None and hasattr(m, "__file__"):
self.pylib_dirs.add(self._canonical_dir(m))
if _structseq and not hasattr(_structseq, '__file__'):
# PyPy 2.4 has no __file__ in the builtin modules, but the code
# objects still have the filenames. So dig into one to find
# the path to exclude.
structseq_new = _structseq.structseq_new
try:
structseq_file = structseq_new.func_code.co_filename
except AttributeError:
structseq_file = structseq_new.__code__.co_filename
self.pylib_dirs.add(self._canonical_dir(structseq_file))
# To avoid tracing the coverage code itself, we skip anything located
# where we are.
self.cover_dir = self._canonical_dir(__file__)
# Set the reporting precision.
Numbers.set_precision(self.config.precision)
atexit.register(self._atexit)
self._inited = True
# Create the matchers we need for _should_trace
if self.source or self.source_pkgs:
self.source_match = TreeMatcher(self.source)
self.source_pkgs_match = ModuleMatcher(self.source_pkgs)
else:
if self.cover_dir:
self.cover_match = TreeMatcher([self.cover_dir])
if self.pylib_dirs:
self.pylib_match = TreeMatcher(self.pylib_dirs)
if self.include:
self.include_match = FnmatchMatcher(self.include)
if self.omit:
self.omit_match = FnmatchMatcher(self.omit)
# The user may want to debug things, show info if desired.
wrote_any = False
if self.debug.should('config'):
config_info = sorted(self.config.__dict__.items())
self.debug.write_formatted_info("config", config_info)
wrote_any = True
if self.debug.should('sys'):
self.debug.write_formatted_info("sys", self.sys_info())
for plugin in self.plugins:
header = "sys: " + plugin._coverage_plugin_name
info = plugin.sys_info()
self.debug.write_formatted_info(header, info)
wrote_any = True
if wrote_any:
self.debug.write_formatted_info("end", ())
