323 lines
11 KiB
Python
323 lines
11 KiB
Python
import os
|
|
import sys
|
|
from test.support import (run_unittest, TESTFN, rmtree, unlink,
|
|
captured_stdout)
|
|
import unittest
|
|
|
|
import trace
|
|
from trace import CoverageResults, Trace
|
|
|
|
from test.tracedmodules import testmod
|
|
|
|
|
|
#------------------------------- Utilities -----------------------------------#
|
|
|
|
def fix_ext_py(filename):
|
|
"""Given a .pyc/.pyo filename converts it to the appropriate .py"""
|
|
if filename.endswith(('.pyc', '.pyo')):
|
|
filename = filename[:-1]
|
|
return filename
|
|
|
|
def my_file_and_modname():
|
|
"""The .py file and module name of this file (__file__)"""
|
|
modname = os.path.splitext(os.path.basename(__file__))[0]
|
|
return fix_ext_py(__file__), modname
|
|
|
|
def get_firstlineno(func):
|
|
return func.__code__.co_firstlineno
|
|
|
|
#-------------------- Target functions for tracing ---------------------------#
|
|
#
|
|
# The relative line numbers of lines in these functions matter for verifying
|
|
# tracing. Please modify the appropriate tests if you change one of the
|
|
# functions. Absolute line numbers don't matter.
|
|
#
|
|
|
|
def traced_func_linear(x, y):
|
|
a = x
|
|
b = y
|
|
c = a + b
|
|
return c
|
|
|
|
def traced_func_loop(x, y):
|
|
c = x
|
|
for i in range(5):
|
|
c += y
|
|
return c
|
|
|
|
def traced_func_importing(x, y):
|
|
return x + y + testmod.func(1)
|
|
|
|
def traced_func_simple_caller(x):
|
|
c = traced_func_linear(x, x)
|
|
return c + x
|
|
|
|
def traced_func_importing_caller(x):
|
|
k = traced_func_simple_caller(x)
|
|
k += traced_func_importing(k, x)
|
|
return k
|
|
|
|
def traced_func_generator(num):
|
|
c = 5 # executed once
|
|
for i in range(num):
|
|
yield i + c
|
|
|
|
def traced_func_calling_generator():
|
|
k = 0
|
|
for i in traced_func_generator(10):
|
|
k += i
|
|
|
|
def traced_doubler(num):
|
|
return num * 2
|
|
|
|
def traced_caller_list_comprehension():
|
|
k = 10
|
|
mylist = [traced_doubler(i) for i in range(k)]
|
|
return mylist
|
|
|
|
|
|
class TracedClass(object):
|
|
def __init__(self, x):
|
|
self.a = x
|
|
|
|
def inst_method_linear(self, y):
|
|
return self.a + y
|
|
|
|
def inst_method_calling(self, x):
|
|
c = self.inst_method_linear(x)
|
|
return c + traced_func_linear(x, c)
|
|
|
|
@classmethod
|
|
def class_method_linear(cls, y):
|
|
return y * 2
|
|
|
|
@staticmethod
|
|
def static_method_linear(y):
|
|
return y * 2
|
|
|
|
|
|
#------------------------------ Test cases -----------------------------------#
|
|
|
|
|
|
class TestLineCounts(unittest.TestCase):
|
|
"""White-box testing of line-counting, via runfunc"""
|
|
def setUp(self):
|
|
self.tracer = Trace(count=1, trace=0, countfuncs=0, countcallers=0)
|
|
self.my_py_filename = fix_ext_py(__file__)
|
|
|
|
def test_traced_func_linear(self):
|
|
result = self.tracer.runfunc(traced_func_linear, 2, 5)
|
|
self.assertEqual(result, 7)
|
|
|
|
# all lines are executed once
|
|
expected = {}
|
|
firstlineno = get_firstlineno(traced_func_linear)
|
|
for i in range(1, 5):
|
|
expected[(self.my_py_filename, firstlineno + i)] = 1
|
|
|
|
self.assertEqual(self.tracer.results().counts, expected)
|
|
|
|
def test_traced_func_loop(self):
|
|
self.tracer.runfunc(traced_func_loop, 2, 3)
|
|
|
|
firstlineno = get_firstlineno(traced_func_loop)
|
|
expected = {
|
|
(self.my_py_filename, firstlineno + 1): 1,
|
|
(self.my_py_filename, firstlineno + 2): 6,
|
|
(self.my_py_filename, firstlineno + 3): 5,
|
|
(self.my_py_filename, firstlineno + 4): 1,
|
|
}
|
|
self.assertEqual(self.tracer.results().counts, expected)
|
|
|
|
def test_traced_func_importing(self):
|
|
self.tracer.runfunc(traced_func_importing, 2, 5)
|
|
|
|
firstlineno = get_firstlineno(traced_func_importing)
|
|
expected = {
|
|
(self.my_py_filename, firstlineno + 1): 1,
|
|
(fix_ext_py(testmod.__file__), 2): 1,
|
|
(fix_ext_py(testmod.__file__), 3): 1,
|
|
}
|
|
|
|
self.assertEqual(self.tracer.results().counts, expected)
|
|
|
|
def test_trace_func_generator(self):
|
|
self.tracer.runfunc(traced_func_calling_generator)
|
|
|
|
firstlineno_calling = get_firstlineno(traced_func_calling_generator)
|
|
firstlineno_gen = get_firstlineno(traced_func_generator)
|
|
expected = {
|
|
(self.my_py_filename, firstlineno_calling + 1): 1,
|
|
(self.my_py_filename, firstlineno_calling + 2): 11,
|
|
(self.my_py_filename, firstlineno_calling + 3): 10,
|
|
(self.my_py_filename, firstlineno_gen + 1): 1,
|
|
(self.my_py_filename, firstlineno_gen + 2): 11,
|
|
(self.my_py_filename, firstlineno_gen + 3): 10,
|
|
}
|
|
self.assertEqual(self.tracer.results().counts, expected)
|
|
|
|
def test_trace_list_comprehension(self):
|
|
self.tracer.runfunc(traced_caller_list_comprehension)
|
|
|
|
firstlineno_calling = get_firstlineno(traced_caller_list_comprehension)
|
|
firstlineno_called = get_firstlineno(traced_doubler)
|
|
expected = {
|
|
(self.my_py_filename, firstlineno_calling + 1): 1,
|
|
# List compehentions work differently in 3.x, so the count
|
|
# below changed compared to 2.x.
|
|
(self.my_py_filename, firstlineno_calling + 2): 12,
|
|
(self.my_py_filename, firstlineno_calling + 3): 1,
|
|
(self.my_py_filename, firstlineno_called + 1): 10,
|
|
}
|
|
self.assertEqual(self.tracer.results().counts, expected)
|
|
|
|
|
|
def test_linear_methods(self):
|
|
# XXX todo: later add 'static_method_linear' and 'class_method_linear'
|
|
# here, once issue1764286 is resolved
|
|
#
|
|
for methname in ['inst_method_linear',]:
|
|
tracer = Trace(count=1, trace=0, countfuncs=0, countcallers=0)
|
|
traced_obj = TracedClass(25)
|
|
method = getattr(traced_obj, methname)
|
|
tracer.runfunc(method, 20)
|
|
|
|
firstlineno = get_firstlineno(method)
|
|
expected = {
|
|
(self.my_py_filename, firstlineno + 1): 1,
|
|
}
|
|
self.assertEqual(tracer.results().counts, expected)
|
|
|
|
|
|
class TestRunExecCounts(unittest.TestCase):
|
|
"""A simple sanity test of line-counting, via runctx (exec)"""
|
|
def setUp(self):
|
|
self.my_py_filename = fix_ext_py(__file__)
|
|
|
|
def test_exec_counts(self):
|
|
self.tracer = Trace(count=1, trace=0, countfuncs=0, countcallers=0)
|
|
code = r'''traced_func_loop(2, 5)'''
|
|
code = compile(code, __file__, 'exec')
|
|
self.tracer.runctx(code, globals(), vars())
|
|
|
|
firstlineno = get_firstlineno(traced_func_loop)
|
|
expected = {
|
|
(self.my_py_filename, firstlineno + 1): 1,
|
|
(self.my_py_filename, firstlineno + 2): 6,
|
|
(self.my_py_filename, firstlineno + 3): 5,
|
|
(self.my_py_filename, firstlineno + 4): 1,
|
|
}
|
|
|
|
# When used through 'run', some other spurios counts are produced, like
|
|
# the settrace of threading, which we ignore, just making sure that the
|
|
# counts fo traced_func_loop were right.
|
|
#
|
|
for k in expected.keys():
|
|
self.assertEqual(self.tracer.results().counts[k], expected[k])
|
|
|
|
|
|
class TestFuncs(unittest.TestCase):
|
|
"""White-box testing of funcs tracing"""
|
|
def setUp(self):
|
|
self.tracer = Trace(count=0, trace=0, countfuncs=1)
|
|
self.filemod = my_file_and_modname()
|
|
|
|
def test_simple_caller(self):
|
|
self.tracer.runfunc(traced_func_simple_caller, 1)
|
|
|
|
expected = {
|
|
self.filemod + ('traced_func_simple_caller',): 1,
|
|
self.filemod + ('traced_func_linear',): 1,
|
|
}
|
|
self.assertEqual(self.tracer.results().calledfuncs, expected)
|
|
|
|
def test_loop_caller_importing(self):
|
|
self.tracer.runfunc(traced_func_importing_caller, 1)
|
|
|
|
expected = {
|
|
self.filemod + ('traced_func_simple_caller',): 1,
|
|
self.filemod + ('traced_func_linear',): 1,
|
|
self.filemod + ('traced_func_importing_caller',): 1,
|
|
self.filemod + ('traced_func_importing',): 1,
|
|
(fix_ext_py(testmod.__file__), 'testmod', 'func'): 1,
|
|
}
|
|
self.assertEqual(self.tracer.results().calledfuncs, expected)
|
|
|
|
def test_inst_method_calling(self):
|
|
obj = TracedClass(20)
|
|
self.tracer.runfunc(obj.inst_method_calling, 1)
|
|
|
|
expected = {
|
|
self.filemod + ('TracedClass.inst_method_calling',): 1,
|
|
self.filemod + ('TracedClass.inst_method_linear',): 1,
|
|
self.filemod + ('traced_func_linear',): 1,
|
|
}
|
|
self.assertEqual(self.tracer.results().calledfuncs, expected)
|
|
|
|
|
|
class TestCallers(unittest.TestCase):
|
|
"""White-box testing of callers tracing"""
|
|
def setUp(self):
|
|
self.tracer = Trace(count=0, trace=0, countcallers=1)
|
|
self.filemod = my_file_and_modname()
|
|
|
|
def test_loop_caller_importing(self):
|
|
self.tracer.runfunc(traced_func_importing_caller, 1)
|
|
|
|
expected = {
|
|
((os.path.splitext(trace.__file__)[0] + '.py', 'trace', 'Trace.runfunc'),
|
|
(self.filemod + ('traced_func_importing_caller',))): 1,
|
|
((self.filemod + ('traced_func_simple_caller',)),
|
|
(self.filemod + ('traced_func_linear',))): 1,
|
|
((self.filemod + ('traced_func_importing_caller',)),
|
|
(self.filemod + ('traced_func_simple_caller',))): 1,
|
|
((self.filemod + ('traced_func_importing_caller',)),
|
|
(self.filemod + ('traced_func_importing',))): 1,
|
|
((self.filemod + ('traced_func_importing',)),
|
|
(fix_ext_py(testmod.__file__), 'testmod', 'func')): 1,
|
|
}
|
|
self.assertEqual(self.tracer.results().callers, expected)
|
|
|
|
|
|
# Created separately for issue #3821
|
|
class TestCoverage(unittest.TestCase):
|
|
def tearDown(self):
|
|
rmtree(TESTFN)
|
|
unlink(TESTFN)
|
|
|
|
def _coverage(self, tracer):
|
|
tracer.run('from test import test_pprint; test_pprint.test_main()')
|
|
r = tracer.results()
|
|
r.write_results(show_missing=True, summary=True, coverdir=TESTFN)
|
|
|
|
def test_coverage(self):
|
|
tracer = trace.Trace(trace=0, count=1)
|
|
with captured_stdout() as stdout:
|
|
self._coverage(tracer)
|
|
stdout = stdout.getvalue()
|
|
self.assertTrue("pprint.py" in stdout)
|
|
self.assertTrue("case.py" in stdout) # from unittest
|
|
files = os.listdir(TESTFN)
|
|
self.assertTrue("pprint.cover" in files)
|
|
self.assertTrue("unittest.case.cover" in files)
|
|
|
|
def test_coverage_ignore(self):
|
|
# Ignore all files, nothing should be traced nor printed
|
|
libpath = os.path.normpath(os.path.dirname(os.__file__))
|
|
# sys.prefix does not work when running from a checkout
|
|
tracer = trace.Trace(ignoredirs=[sys.prefix, sys.exec_prefix, libpath],
|
|
trace=0, count=1)
|
|
with captured_stdout() as stdout:
|
|
self._coverage(tracer)
|
|
if os.path.exists(TESTFN):
|
|
files = os.listdir(TESTFN)
|
|
self.assertEquals(files, [])
|
|
|
|
|
|
def test_main():
|
|
run_unittest(__name__)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
test_main()
|