def assert_equal_sets(collection1, collection2):
"""Assert that both collections have the same number and set of elements.
"""
# Checking length of both collections first, so we catch duplicates that
# appear in one collection and not the other.
assert_length(collection2, len(collection1))
assert_equal(set(collection1), set(collection2))
def get_reconstructor_with_imports(obj):
"""
>>> reconstructor, imports = ImmutableObject.get_reconstructor_with_imports(re.compile('abcd'))
>>> reconstructor
"re.compile('abcd')"
>>> imports == set(['re'])
True
>>> reconstructor, imports = ImmutableObject.get_reconstructor_with_imports(re.compile('abcd', re.I | re.M))
>>> reconstructor
"re.compile('abcd', re.IGNORECASE | re.MULTILINE)"
>>> imports == set(['re'])
True
"""
if isinstance(obj, (int, long, float, str, unicode, types.NoneType)):
# Bultin types has very convienient representation.
return repr(obj), set()
elif isinstance(obj, RePatternType):
flags = regexp_flags_as_string(obj.flags)
if flags:
return ('re.compile(%r, %s)' % (obj.pattern, flags), set(['re']))
else:
return ('re.compile(%r)' % obj.pattern, set(['re']))
elif isinstance(obj, types.FunctionType):
function = obj.func_name
module = obj.__module__
return (function, set([(module, function)]))
else:
raise TypeError("Unknown type of an ImmutableObject: %r." % obj)
def get_reconstructor_with_imports(obj):
"""
>>> reconstructor, imports = ImmutableObject.get_reconstructor_with_imports(re.compile('abcd'))
>>> reconstructor
"re.compile('abcd')"
>>> imports == set(['re'])
True
>>> reconstructor, imports = ImmutableObject.get_reconstructor_with_imports(re.compile('abcd', re.I | re.M))
>>> reconstructor
"re.compile('abcd', re.IGNORECASE | re.MULTILINE)"
>>> imports == set(['re'])
True
"""
if isinstance(obj, (int, long, float, str, unicode, types.NoneType)):
# Bultin types has very convienient representation.
return repr(obj), set()
elif isinstance(obj, RePatternType):
flags = regexp_flags_as_string(obj.flags)
if flags:
return ('re.compile(%r, %s)' % (obj.pattern, flags),
set(['re']))
else:
return ('re.compile(%r)' % obj.pattern, set(['re']))
elif isinstance(obj, types.FunctionType):
function = obj.func_name
module = obj.__module__
return (function, set([(module, function)]))
else:
raise TypeError("Unknown type of an ImmutableObject: %r." % obj)
def union(*sets):
"""Return a union of all the given sets.
"""
if len(sets) == 0:
return set()
# Since 2.6 set.union accepts multiple input iterables.
if sys.version_info >= (2, 6):
return set.union(*sets)
else:
return reduce(operator.or_, sets, set())
def union(*sets):
"""Return a union of all the given sets.
"""
if len(sets) == 0:
return set()
# Since 2.6 set.union accepts multiple input iterables.
if sys.version_info >= (2, 6):
return set.union(*sets)
else:
return reduce(operator.or_, sets, set())
def explicit_calls(event):
events_so_far = set()
def ec(event):
if isinstance(event, list):
return flatten(map(ec, event))
# Avoid infinite recursion.
if event in events_so_far:
return []
else:
events_so_far.add(event)
if isinstance(event, Call):
return [event] + ec(event.subcalls) + ec(event.input.values())
elif isinstance(event, Callable):
return ec(event.calls)
elif isinstance(event, EqualAssertionLine) and isinstance(event.actual, (Call, MethodCallContext)):
return ec(event.actual)
elif isinstance(event, GeneratorAssertionLine):
return ec(event.generator_call)
elif isinstance(event, RaisesAssertionLine):
return ec(event.call)
elif isinstance(event, MethodCallContext):
return ec(event.call)
return []
return ec(event)
def explicit_calls(event):
events_so_far = set()
def ec(event):
if isinstance(event, list):
return flatten(map(ec, event))
# Avoid infinite recursion.
if event in events_so_far:
return []
else:
events_so_far.add(event)
if isinstance(event, Call):
return [event] + ec(event.subcalls) + ec(event.input.values())
elif isinstance(event, Callable):
return ec(event.calls)
elif isinstance(event, EqualAssertionLine) and isinstance(
event.actual, (Call, MethodCallContext)):
return ec(event.actual)
elif isinstance(event, GeneratorAssertionLine):
return ec(event.generator_call)
elif isinstance(event, RaisesAssertionLine):
return ec(event.call)
elif isinstance(event, MethodCallContext):
return ec(event.call)
return []
return ec(event)
def __new__(cls, string, uncomplete=False, imports=None):
if imports is None:
imports = set()
code_string = str.__new__(cls, string)
code_string.uncomplete = uncomplete
code_string.imports = imports
return code_string
def python_modules_below(path):
VCS_PATHS = set([".bzr", "CVS", "_darcs", ".git", ".hg", ".svn"])
def is_python_module(path):
return path.endswith(".py")
def not_vcs_file(path):
return not set(path.split(os.path.sep)).intersection(VCS_PATHS)
return filter(not_vcs_file, filter(is_python_module, rlistdir(path)))
def enumerate_events(objs):
"""Return a list of all events needed for testing by the objects passed.
Avoids infinite recursion by keeping a list of events already traversed.
"""
events_so_far = set()
def get_those_and_contained_events(objs):
"""Return a list containing given objects and all objects contained within
them.
"""
return objs + get_contained_events(objs)
def get_contained_events(obj):
"""Return a list of Events this object requires during testing.
This function will descend recursively if objects contained within given
object are composite themselves.
"""
if isinstance(obj, list):
return flatten(map(get_contained_events, obj))
# Lists are unhashable anyway, so we don't remember them.
if obj in events_so_far:
return []
else:
events_so_far.add(obj)
if isinstance(obj, ImmutableObject):
# ImmutableObjects are self-sufficient.
return []
elif isinstance(obj, UnknownObject):
return []
elif isinstance(obj, SequenceObject):
return get_those_and_contained_events(obj.contained_objects)
elif isinstance(obj, MapObject):
return get_those_and_contained_events(flatten(obj.mapping))
elif isinstance(obj, LibraryObject):
return get_those_and_contained_events(obj.arguments)
elif isinstance(obj, BuiltinException):
return get_those_and_contained_events(obj.args)
elif isinstance(obj, UserObject):
return get_contained_events(obj.get_init_and_external_calls())
elif isinstance(obj, (FunctionCall, MethodCall, GeneratorObjectInvocation)):
ret = get_those_and_contained_events(obj.input.values() + list(obj.side_effects))
if obj.caller:
ret += side_effects_before_and_affected_objects(obj)
return ret
elif isinstance(obj, GeneratorObject):
if obj.is_activated():
return get_those_and_contained_events(obj.args.values()) + get_contained_events(obj.calls)
else:
return []
elif isinstance(obj, SideEffect):
return [obj] + get_those_and_contained_events(list(obj.affected_objects))
elif isinstance(obj, CallToC):
return side_effects_before_and_affected_objects(obj)
else:
raise TypeError("Wrong argument to get_contained_events: %s." % repr(obj))
return get_those_and_contained_events(objs)
def __init__(self, obj, serialize):
# Serialize the parts first and only after that call super, so that
# the parts get a lower timestamp than the whole object.
self.mapping = [(serialize(k), serialize(v)) for k, v in obj.items()]
CompositeObject.__init__(self, obj)
self.constructor_format = "{%s}"
self.imports = set()
def __init__(self, obj, serialize):
# Serialize the parts first and only after that call super, so that
# the parts get a lower timestamp than the whole object.
self.contained_objects = map(serialize, obj)
CompositeObject.__init__(self, obj)
# Arrays constructor needs to include a typecode.
if isinstance(obj, array.array):
self.constructor_format = "array.array('%s', [%%s])" % obj.typecode
self.imports = set(["array"])
# Special case for tuples with a single element.
elif isinstance(obj, tuple) and len(obj) == 1:
self.constructor_format = "(%s,)"
self.imports = set()
else:
self.constructor_format = self.type_formats_with_imports[type(obj)][0]
self.imports = self.type_formats_with_imports[type(obj)][1]
def __init__(self, obj, serialize):
# Serialize the parts first and only after that call super, so that
# the parts get a lower timestamp than the whole object.
self.mapping = [(serialize(k), serialize(v)) for k,v in obj.items()]
CompositeObject.__init__(self, obj)
self.constructor_format = "{%s}"
self.imports = set()
def __init__(self, obj, serialize):
CompositeObject.__init__(self, obj)
self.args = map(serialize, obj.args)
self.constructor_format = "%s(%%s)" % class_name(obj)
self.imports = set()
if class_of(obj) in BUILTIN_ENVIRONMENT_ERROR_TYPES and obj.filename is not None:
self.args.append(serialize(obj.filename))
def __init__(self, obj, serialize):
# Serialize the parts first and only after that call super, so that
# the parts get a lower timestamp than the whole object.
self.contained_objects = map(serialize, obj)
CompositeObject.__init__(self, obj)
# Arrays constructor needs to include a typecode.
if isinstance(obj, array.array):
self.constructor_format = "array.array('%s', [%%s])" % obj.typecode
self.imports = set(["array"])
# Special case for tuples with a single element.
elif isinstance(obj, tuple) and len(obj) == 1:
self.constructor_format = "(%s,)"
self.imports = set()
else:
self.constructor_format = self.type_formats_with_imports[type(
obj)][0]
self.imports = self.type_formats_with_imports[type(obj)][1]
def python_modules_below(path):
VCS_PATHS = set([".bzr", "CVS", "_darcs", ".git", ".hg", ".svn"])
def is_python_module(path):
return path.endswith(".py")
def not_vcs_file(path):
return not set(path.split(os.path.sep)).intersection(VCS_PATHS)
return filter(not_vcs_file, filter(is_python_module, rlistdir(path)))
def __init__(self, obj, serialize):
CompositeObject.__init__(self, obj)
self.args = map(serialize, obj.args)
self.constructor_format = "%s(%%s)" % class_name(obj)
self.imports = set()
if class_of(
obj
) in BUILTIN_ENVIRONMENT_ERROR_TYPES and obj.filename is not None:
self.args.append(serialize(obj.filename))
class LibraryObject(SerializedObject):
type_formats_with_imports = {
('xml.dom.minidom', 'Element'):
("Element(%s)", ["tagName", "namespaceURI",
"prefix"], set([("xml.dom.minidom", "Element")])),
('datetime', 'datetime'): ("datetime.datetime(%s)", [
"year", "month", "day", "hour", "minute", "second", "microsecond",
"tzinfo"
], set(["datetime"])),
}
def __init__(self, obj, serialize):
con, argnames, imp = self.type_formats_with_imports[id_of_class_of(
obj)]
self.constructor_format = con
self.arguments = map(serialize,
[getattr(obj, a, None) for a in argnames])
self.imports = imp
# Arguments were serialized first, before a call to super, so that they
# get a lower timestamp than the whole object.
SerializedObject.__init__(self, obj)
def add_test_events_for_side_effects(events, side_effects):
globals_already_setup = set()
step = 0
first_timestamp = events[0].timestamp
last_timestamp = events[-1].timestamp
for side_effect in side_effects:
if isinstance(side_effect, GlobalRead) and \
not isinstance(side_effect.value, UnknownObject) and \
side_effect.get_full_name() not in globals_already_setup:
tmp_name = "old_%s_%s" % (side_effect.module.replace(
".", "_"), side_effect.name)
ref = ModuleVariableReference(side_effect.module, side_effect.name,
first_timestamp - 4.2 - step)
# SETUP: old_module_variable = module.variable
events.insert(0, Assign(tmp_name, ref,
first_timestamp - 3.2 - step))
# SETUP: module.variable = value
events.insert(
1,
Assign(side_effect.get_full_name(), side_effect.value,
first_timestamp - 2.2 - step))
# TEARDOWN: module.variable = old_module_variable
# TODO: Crazy hack, teardowns should always be at the end, I'll fix
# that someday.
events.append(
Assign(side_effect.get_full_name(), tmp_name,
last_timestamp + 300.2 + step))
globals_already_setup.add((side_effect.get_full_name()))
elif isinstance(side_effect, GlobalRebind):
events.append(
EqualAssertionLine(
side_effect.value,
ModuleVariableReference(side_effect.module,
side_effect.name,
last_timestamp + 1.1 + step),
last_timestamp + 2.1 + step))
elif isinstance(side_effect, AttributeRebind):
events.append(
EqualAssertionLine(
side_effect.value,
ObjectAttributeReference(side_effect.obj, side_effect.name,
last_timestamp + 1.3 + step),
last_timestamp + 2.3 + step))
step += 5
def add_test_events_for_side_effects(events, side_effects):
globals_already_setup = set()
step = 0
first_timestamp = events[0].timestamp
last_timestamp = events[-1].timestamp
for side_effect in side_effects:
if (
isinstance(side_effect, GlobalRead)
and not isinstance(side_effect.value, UnknownObject)
and side_effect.get_full_name() not in globals_already_setup
):
tmp_name = "old_%s_%s" % (side_effect.module.replace(".", "_"), side_effect.name)
ref = ModuleVariableReference(side_effect.module, side_effect.name, first_timestamp - 4.2 - step)
# SETUP: old_module_variable = module.variable
events.insert(0, Assign(tmp_name, ref, first_timestamp - 3.2 - step))
# SETUP: module.variable = value
events.insert(1, Assign(side_effect.get_full_name(), side_effect.value, first_timestamp - 2.2 - step))
# TEARDOWN: module.variable = old_module_variable
# TODO: Crazy hack, teardowns should always be at the end, I'll fix
# that someday.
events.append(Assign(side_effect.get_full_name(), tmp_name, last_timestamp + 300.2 + step))
globals_already_setup.add((side_effect.get_full_name()))
elif isinstance(side_effect, GlobalRebind):
events.append(
EqualAssertionLine(
side_effect.value,
ModuleVariableReference(side_effect.module, side_effect.name, last_timestamp + 1.1 + step),
last_timestamp + 2.1 + step,
)
)
elif isinstance(side_effect, AttributeRebind):
events.append(
EqualAssertionLine(
side_effect.value,
ObjectAttributeReference(side_effect.obj, side_effect.name, last_timestamp + 1.3 + step),
last_timestamp + 2.3 + step,
)
)
step += 5
class SequenceObject(CompositeObject):
"""A builtin object that contains an ordered sequence of other objects
inside it.
Tuples and other immutable builtin types are still serialized into
a SequenceObject, because they may contain a mutable element inside them.
"""
type_formats_with_imports = {
list: ("[%s]", set()),
frozenset: ("frozenset([%s])", set()),
set: ("set([%s])", set()),
sets.ImmutableSet:
("ImmutableSet([%s])", set([("sets", "ImmutableSet")])),
sets.Set: ("Set([%s])", set([("sets", "Set")])),
tuple: ("(%s)", set()),
}
def __init__(self, obj, serialize):
# Serialize the parts first and only after that call super, so that
# the parts get a lower timestamp than the whole object.
self.contained_objects = map(serialize, obj)
CompositeObject.__init__(self, obj)
# Arrays constructor needs to include a typecode.
if isinstance(obj, array.array):
self.constructor_format = "array.array('%s', [%%s])" % obj.typecode
self.imports = set(["array"])
# Special case for tuples with a single element.
elif isinstance(obj, tuple) and len(obj) == 1:
self.constructor_format = "(%s,)"
self.imports = set()
else:
self.constructor_format = self.type_formats_with_imports[type(
obj)][0]
self.imports = self.type_formats_with_imports[type(obj)][1]
def putinto(cs, template, imports=set()):
"""Put the CodeString into a template, adding additional imports.
"""
return CodeString(template % cs, cs.uncomplete, union(cs.imports, imports))
import array
import exceptions
import re
import types
from pythoscope.compat import frozenset, set, sets
from pythoscope.event import Event
from pythoscope.util import RePatternType, class_name, class_of, \
module_name, regexp_flags_as_string, string2id, underscore
# Filter out private attributes, like __doc__, __name__ and __package__.
BUILTIN_EXCEPTION_TYPES = set([v for k,v in exceptions.__dict__.items() if not k.startswith('_')])
# Exceptions with special semantics for the `args` attribute.
# See <http://docs.python.org/library/exceptions.html#exceptions.EnvironmentError>
# for details.
BUILTIN_ENVIRONMENT_ERROR_TYPES = [EnvironmentError, OSError, IOError]
# Include VMSError or WindowsError if they exist.
try:
BUILTIN_ENVIRONMENT_ERROR_TYPES.append(WindowsError)
except NameError:
try:
BUILTIN_ENVIRONMENT_ERROR_TYPES.append(VMSError)
except NameError:
pass
# :: object -> string
def get_human_readable_id(obj):
# Get human readable id based on object's value,
if obj is True:
def addimport(cs, imp):
return putinto(cs, "%s", set([imp]))
def get_traced_method_names(self):
traced_method_names = set()
for user_object in self.user_objects:
for call in user_object.calls:
traced_method_names.add(call.definition.name)
return traced_method_names
def not_vcs_file(path):
return not set(path.split(os.path.sep)).intersection(VCS_PATHS)
import array
import exceptions
import re
import types
from pythoscope.compat import frozenset, set, sets
from pythoscope.event import Event
from pythoscope.util import RePatternType, class_name, class_of, \
module_name, regexp_flags_as_string, string2id, underscore
# Filter out private attributes, like __doc__, __name__ and __package__.
BUILTIN_EXCEPTION_TYPES = set(
[v for k, v in exceptions.__dict__.items() if not k.startswith('_')])
# Exceptions with special semantics for the `args` attribute.
# See <http://docs.python.org/library/exceptions.html#exceptions.EnvironmentError>
# for details.
BUILTIN_ENVIRONMENT_ERROR_TYPES = [EnvironmentError, OSError, IOError]
# Include VMSError or WindowsError if they exist.
try:
BUILTIN_ENVIRONMENT_ERROR_TYPES.append(WindowsError)
except NameError:
try:
BUILTIN_ENVIRONMENT_ERROR_TYPES.append(VMSError)
except NameError:
pass
# :: object -> string
def get_human_readable_id(obj):
def enumerate_events(objs):
"""Return a list of all events needed for testing by the objects passed.
Avoids infinite recursion by keeping a list of events already traversed.
"""
events_so_far = set()
def get_those_and_contained_events(objs):
"""Return a list containing given objects and all objects contained within
them.
"""
return objs + get_contained_events(objs)
def get_contained_events(obj):
"""Return a list of Events this object requires during testing.
This function will descend recursively if objects contained within given
object are composite themselves.
"""
if isinstance(obj, list):
return flatten(map(get_contained_events, obj))
# Lists are unhashable anyway, so we don't remember them.
if obj in events_so_far:
return []
else:
events_so_far.add(obj)
if isinstance(obj, ImmutableObject):
# ImmutableObjects are self-sufficient.
return []
elif isinstance(obj, UnknownObject):
return []
elif isinstance(obj, SequenceObject):
return get_those_and_contained_events(obj.contained_objects)
elif isinstance(obj, MapObject):
return get_those_and_contained_events(flatten(obj.mapping))
elif isinstance(obj, LibraryObject):
return get_those_and_contained_events(obj.arguments)
elif isinstance(obj, BuiltinException):
return get_those_and_contained_events(obj.args)
elif isinstance(obj, UserObject):
return get_contained_events(obj.get_init_and_external_calls())
elif isinstance(obj,
(FunctionCall, MethodCall, GeneratorObjectInvocation)):
ret = get_those_and_contained_events(obj.input.values() +
list(obj.side_effects))
if obj.caller:
ret += side_effects_before_and_affected_objects(obj)
return ret
elif isinstance(obj, GeneratorObject):
if obj.is_activated():
return get_those_and_contained_events(obj.args.values()) +\
get_contained_events(obj.calls)
else:
return []
elif isinstance(obj, SideEffect):
return [obj] + get_those_and_contained_events(
list(obj.affected_objects))
elif isinstance(obj, CallToC):
return side_effects_before_and_affected_objects(obj)
else:
raise TypeError("Wrong argument to get_contained_events: %s." %
repr(obj))
return get_those_and_contained_events(objs)
def expand_into_timeline(*events):
"""Return a sorted list of all events related to given events in any way.
"""
return sorted_by_timestamp(set(enumerate_events(list(events))))
def get_unique_calls(self):
return set(self.calls)
def expand_into_timeline(*events):
"""Return a sorted list of all events related to given events in any way.
"""
return sorted_by_timestamp(set(enumerate_events(list(events))))
def get_unique_calls(self):
return set(self.calls)
def not_vcs_file(path):
return not set(path.split(os.path.sep)).intersection(VCS_PATHS)
def get_traced_method_names(self):
traced_method_names = set()
for user_object in self.user_objects:
for call in user_object.calls:
traced_method_names.add(call.definition.name)
return traced_method_names
