test_ok1/doc/en/example/assertion/failure_demo.py

214 lines
4.5 KiB
Python

from py.test import raises
import py
def otherfunc(a,b):
assert a==b
def somefunc(x,y):
otherfunc(x,y)
def otherfunc_multi(a,b):
assert (a ==
b)
def test_generative(param1, param2):
assert param1 * 2 < param2
def pytest_generate_tests(metafunc):
if 'param1' in metafunc.fixturenames:
metafunc.addcall(funcargs=dict(param1=3, param2=6))
class TestFailing(object):
def test_simple(self):
def f():
return 42
def g():
return 43
assert f() == g()
def test_simple_multiline(self):
otherfunc_multi(
42,
6*9)
def test_not(self):
def f():
return 42
assert not f()
class TestSpecialisedExplanations(object):
def test_eq_text(self):
assert 'spam' == 'eggs'
def test_eq_similar_text(self):
assert 'foo 1 bar' == 'foo 2 bar'
def test_eq_multiline_text(self):
assert 'foo\nspam\nbar' == 'foo\neggs\nbar'
def test_eq_long_text(self):
a = '1'*100 + 'a' + '2'*100
b = '1'*100 + 'b' + '2'*100
assert a == b
def test_eq_long_text_multiline(self):
a = '1\n'*100 + 'a' + '2\n'*100
b = '1\n'*100 + 'b' + '2\n'*100
assert a == b
def test_eq_list(self):
assert [0, 1, 2] == [0, 1, 3]
def test_eq_list_long(self):
a = [0]*100 + [1] + [3]*100
b = [0]*100 + [2] + [3]*100
assert a == b
def test_eq_dict(self):
assert {'a': 0, 'b': 1, 'c': 0} == {'a': 0, 'b': 2, 'd': 0}
def test_eq_set(self):
assert set([0, 10, 11, 12]) == set([0, 20, 21])
def test_eq_longer_list(self):
assert [1,2] == [1,2,3]
def test_in_list(self):
assert 1 in [0, 2, 3, 4, 5]
def test_not_in_text_multiline(self):
text = 'some multiline\ntext\nwhich\nincludes foo\nand a\ntail'
assert 'foo' not in text
def test_not_in_text_single(self):
text = 'single foo line'
assert 'foo' not in text
def test_not_in_text_single_long(self):
text = 'head ' * 50 + 'foo ' + 'tail ' * 20
assert 'foo' not in text
def test_not_in_text_single_long_term(self):
text = 'head ' * 50 + 'f'*70 + 'tail ' * 20
assert 'f'*70 not in text
def test_attribute():
class Foo(object):
b = 1
i = Foo()
assert i.b == 2
def test_attribute_instance():
class Foo(object):
b = 1
assert Foo().b == 2
def test_attribute_failure():
class Foo(object):
def _get_b(self):
raise Exception('Failed to get attrib')
b = property(_get_b)
i = Foo()
assert i.b == 2
def test_attribute_multiple():
class Foo(object):
b = 1
class Bar(object):
b = 2
assert Foo().b == Bar().b
def globf(x):
return x+1
class TestRaises:
def test_raises(self):
s = 'qwe'
raises(TypeError, "int(s)")
def test_raises_doesnt(self):
raises(IOError, "int('3')")
def test_raise(self):
raise ValueError("demo error")
def test_tupleerror(self):
a,b = [1]
def test_reinterpret_fails_with_print_for_the_fun_of_it(self):
l = [1,2,3]
print ("l is %r" % l)
a,b = l.pop()
def test_some_error(self):
if namenotexi:
pass
def func1(self):
assert 41 == 42
# thanks to Matthew Scott for this test
def test_dynamic_compile_shows_nicely():
src = 'def foo():\n assert 1 == 0\n'
name = 'abc-123'
module = py.std.imp.new_module(name)
code = py.code.compile(src, name, 'exec')
py.builtin.exec_(code, module.__dict__)
py.std.sys.modules[name] = module
module.foo()
class TestMoreErrors:
def test_complex_error(self):
def f():
return 44
def g():
return 43
somefunc(f(), g())
def test_z1_unpack_error(self):
l = []
a,b = l
def test_z2_type_error(self):
l = 3
a,b = l
def test_startswith(self):
s = "123"
g = "456"
assert s.startswith(g)
def test_startswith_nested(self):
def f():
return "123"
def g():
return "456"
assert f().startswith(g())
def test_global_func(self):
assert isinstance(globf(42), float)
def test_instance(self):
self.x = 6*7
assert self.x != 42
def test_compare(self):
assert globf(10) < 5
def test_try_finally(self):
x = 1
try:
assert x == 0
finally:
x = 0