ok
Mini Shell
from pyflakes import messages as m
from pyflakes.checker import (FunctionScope, ClassScope, ModuleScope,
Argument, FunctionDefinition, Assignment)
from pyflakes.test.harness import TestCase
class TestCodeSegments(TestCase):
"""
Tests for segments of a module
"""
def test_function_segment(self):
self.flakes('''
def foo():
def bar():
pass
''', is_segment=True)
self.flakes('''
def foo():
def bar():
x = 0
''', m.UnusedVariable, is_segment=True)
def test_class_segment(self):
self.flakes('''
class Foo:
class Bar:
pass
''', is_segment=True)
self.flakes('''
class Foo:
def bar():
x = 0
''', m.UnusedVariable, is_segment=True)
def test_scope_class(self):
checker = self.flakes('''
class Foo:
x = 0
def bar(a, b=1, *d, **e):
pass
''', is_segment=True)
scopes = checker.deadScopes
module_scopes = [
scope for scope in scopes if scope.__class__ is ModuleScope]
class_scopes = [
scope for scope in scopes if scope.__class__ is ClassScope]
function_scopes = [
scope for scope in scopes if scope.__class__ is FunctionScope]
# Ensure module scope is not present because we are analysing
# the inner contents of Foo
self.assertEqual(len(module_scopes), 0)
self.assertEqual(len(class_scopes), 1)
self.assertEqual(len(function_scopes), 1)
class_scope = class_scopes[0]
function_scope = function_scopes[0]
self.assertIsInstance(class_scope, ClassScope)
self.assertIsInstance(function_scope, FunctionScope)
self.assertIn('x', class_scope)
self.assertIn('bar', class_scope)
self.assertIn('a', function_scope)
self.assertIn('b', function_scope)
self.assertIn('d', function_scope)
self.assertIn('e', function_scope)
self.assertIsInstance(class_scope['bar'], FunctionDefinition)
self.assertIsInstance(class_scope['x'], Assignment)
self.assertIsInstance(function_scope['a'], Argument)
self.assertIsInstance(function_scope['b'], Argument)
self.assertIsInstance(function_scope['d'], Argument)
self.assertIsInstance(function_scope['e'], Argument)
def test_scope_function(self):
checker = self.flakes('''
def foo(a, b=1, *d, **e):
def bar(f, g=1, *h, **i):
pass
''', is_segment=True)
scopes = checker.deadScopes
module_scopes = [
scope for scope in scopes if scope.__class__ is ModuleScope]
function_scopes = [
scope for scope in scopes if scope.__class__ is FunctionScope]
# Ensure module scope is not present because we are analysing
# the inner contents of foo
self.assertEqual(len(module_scopes), 0)
self.assertEqual(len(function_scopes), 2)
function_scope_foo = function_scopes[1]
function_scope_bar = function_scopes[0]
self.assertIsInstance(function_scope_foo, FunctionScope)
self.assertIsInstance(function_scope_bar, FunctionScope)
self.assertIn('a', function_scope_foo)
self.assertIn('b', function_scope_foo)
self.assertIn('d', function_scope_foo)
self.assertIn('e', function_scope_foo)
self.assertIn('bar', function_scope_foo)
self.assertIn('f', function_scope_bar)
self.assertIn('g', function_scope_bar)
self.assertIn('h', function_scope_bar)
self.assertIn('i', function_scope_bar)
self.assertIsInstance(function_scope_foo['bar'], FunctionDefinition)
self.assertIsInstance(function_scope_foo['a'], Argument)
self.assertIsInstance(function_scope_foo['b'], Argument)
self.assertIsInstance(function_scope_foo['d'], Argument)
self.assertIsInstance(function_scope_foo['e'], Argument)
self.assertIsInstance(function_scope_bar['f'], Argument)
self.assertIsInstance(function_scope_bar['g'], Argument)
self.assertIsInstance(function_scope_bar['h'], Argument)
self.assertIsInstance(function_scope_bar['i'], Argument)
def test_scope_async_function(self):
self.flakes('async def foo(): pass', is_segment=True)
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