703 lines
21 KiB
Python
703 lines
21 KiB
Python
from __future__ import absolute_import, division, print_function
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import sys
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import platform
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import os
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import _pytest._code
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from _pytest.debugging import SUPPORTS_BREAKPOINT_BUILTIN
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import pytest
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_ENVIRON_PYTHONBREAKPOINT = os.environ.get("PYTHONBREAKPOINT", "")
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def runpdb_and_get_report(testdir, source):
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p = testdir.makepyfile(source)
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result = testdir.runpytest_inprocess("--pdb", p)
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reports = result.reprec.getreports("pytest_runtest_logreport")
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assert len(reports) == 3, reports # setup/call/teardown
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return reports[1]
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@pytest.fixture
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def custom_pdb_calls():
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called = []
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# install dummy debugger class and track which methods were called on it
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class _CustomPdb(object):
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def __init__(self, *args, **kwargs):
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called.append("init")
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def reset(self):
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called.append("reset")
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def interaction(self, *args):
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called.append("interaction")
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_pytest._CustomPdb = _CustomPdb
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return called
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@pytest.fixture
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def custom_debugger_hook():
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called = []
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# install dummy debugger class and track which methods were called on it
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class _CustomDebugger(object):
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def __init__(self, *args, **kwargs):
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called.append("init")
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def reset(self):
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called.append("reset")
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def interaction(self, *args):
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called.append("interaction")
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def set_trace(self, frame):
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print("**CustomDebugger**")
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called.append("set_trace")
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_pytest._CustomDebugger = _CustomDebugger
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yield called
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del _pytest._CustomDebugger
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class TestPDB(object):
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@pytest.fixture
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def pdblist(self, request):
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monkeypatch = request.getfixturevalue("monkeypatch")
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pdblist = []
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def mypdb(*args):
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pdblist.append(args)
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plugin = request.config.pluginmanager.getplugin("debugging")
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monkeypatch.setattr(plugin, "post_mortem", mypdb)
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return pdblist
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def test_pdb_on_fail(self, testdir, pdblist):
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rep = runpdb_and_get_report(
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testdir,
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"""
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def test_func():
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assert 0
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""",
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)
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assert rep.failed
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assert len(pdblist) == 1
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tb = _pytest._code.Traceback(pdblist[0][0])
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assert tb[-1].name == "test_func"
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def test_pdb_on_xfail(self, testdir, pdblist):
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rep = runpdb_and_get_report(
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testdir,
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"""
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import pytest
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@pytest.mark.xfail
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def test_func():
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assert 0
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""",
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)
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assert "xfail" in rep.keywords
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assert not pdblist
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def test_pdb_on_skip(self, testdir, pdblist):
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rep = runpdb_and_get_report(
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testdir,
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"""
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import pytest
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def test_func():
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pytest.skip("hello")
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""",
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)
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assert rep.skipped
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assert len(pdblist) == 0
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def test_pdb_on_BdbQuit(self, testdir, pdblist):
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rep = runpdb_and_get_report(
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testdir,
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"""
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import bdb
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def test_func():
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raise bdb.BdbQuit
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""",
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)
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assert rep.failed
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assert len(pdblist) == 0
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def test_pdb_on_KeyboardInterrupt(self, testdir, pdblist):
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rep = runpdb_and_get_report(
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testdir,
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"""
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def test_func():
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raise KeyboardInterrupt
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""",
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)
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assert rep.failed
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assert len(pdblist) == 1
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def test_pdb_interaction(self, testdir):
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p1 = testdir.makepyfile(
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"""
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def test_1():
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i = 0
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assert i == 1
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"""
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)
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child = testdir.spawn_pytest("--pdb %s" % p1)
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child.expect(".*def test_1")
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child.expect(".*i = 0")
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child.expect("(Pdb)")
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child.sendeof()
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rest = child.read().decode("utf8")
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assert "1 failed" in rest
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assert "def test_1" not in rest
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self.flush(child)
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@staticmethod
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def flush(child):
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if platform.system() == "Darwin":
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return
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if child.isalive():
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child.wait()
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def test_pdb_unittest_postmortem(self, testdir):
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p1 = testdir.makepyfile(
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"""
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import unittest
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class Blub(unittest.TestCase):
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def tearDown(self):
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self.filename = None
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def test_false(self):
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self.filename = 'debug' + '.me'
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assert 0
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"""
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)
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child = testdir.spawn_pytest("--pdb %s" % p1)
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child.expect("(Pdb)")
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child.sendline("p self.filename")
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child.sendeof()
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rest = child.read().decode("utf8")
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assert "debug.me" in rest
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self.flush(child)
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def test_pdb_unittest_skip(self, testdir):
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"""Test for issue #2137"""
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p1 = testdir.makepyfile(
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"""
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import unittest
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@unittest.skipIf(True, 'Skipping also with pdb active')
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class MyTestCase(unittest.TestCase):
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def test_one(self):
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assert 0
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"""
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)
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child = testdir.spawn_pytest("-rs --pdb %s" % p1)
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child.expect("Skipping also with pdb active")
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child.expect("1 skipped in")
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child.sendeof()
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self.flush(child)
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def test_pdb_print_captured_stdout(self, testdir):
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p1 = testdir.makepyfile(
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"""
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def test_1():
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print("get\\x20rekt")
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assert False
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"""
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)
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child = testdir.spawn_pytest("--pdb %s" % p1)
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child.expect("captured stdout")
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child.expect("get rekt")
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child.expect("(Pdb)")
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child.sendeof()
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rest = child.read().decode("utf8")
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assert "1 failed" in rest
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assert "get rekt" not in rest
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self.flush(child)
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def test_pdb_print_captured_stderr(self, testdir):
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p1 = testdir.makepyfile(
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"""
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def test_1():
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import sys
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sys.stderr.write("get\\x20rekt")
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assert False
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"""
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)
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child = testdir.spawn_pytest("--pdb %s" % p1)
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child.expect("captured stderr")
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child.expect("get rekt")
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child.expect("(Pdb)")
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child.sendeof()
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rest = child.read().decode("utf8")
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assert "1 failed" in rest
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assert "get rekt" not in rest
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self.flush(child)
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def test_pdb_dont_print_empty_captured_stdout_and_stderr(self, testdir):
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p1 = testdir.makepyfile(
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"""
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def test_1():
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assert False
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"""
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)
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child = testdir.spawn_pytest("--pdb %s" % p1)
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child.expect("(Pdb)")
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output = child.before.decode("utf8")
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child.sendeof()
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assert "captured stdout" not in output
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assert "captured stderr" not in output
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self.flush(child)
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@pytest.mark.parametrize("showcapture", ["all", "no", "log"])
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def test_pdb_print_captured_logs(self, testdir, showcapture):
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p1 = testdir.makepyfile(
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"""
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def test_1():
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import logging
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logging.warn("get " + "rekt")
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assert False
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"""
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)
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child = testdir.spawn_pytest("--show-capture=%s --pdb %s" % (showcapture, p1))
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if showcapture in ("all", "log"):
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child.expect("captured log")
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child.expect("get rekt")
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child.expect("(Pdb)")
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child.sendeof()
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rest = child.read().decode("utf8")
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assert "1 failed" in rest
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self.flush(child)
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def test_pdb_print_captured_logs_nologging(self, testdir):
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p1 = testdir.makepyfile(
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"""
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def test_1():
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import logging
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logging.warn("get " + "rekt")
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assert False
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"""
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)
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child = testdir.spawn_pytest(
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"--show-capture=all --pdb " "-p no:logging %s" % p1
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)
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child.expect("get rekt")
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output = child.before.decode("utf8")
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assert "captured log" not in output
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child.expect("(Pdb)")
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child.sendeof()
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rest = child.read().decode("utf8")
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assert "1 failed" in rest
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self.flush(child)
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def test_pdb_interaction_exception(self, testdir):
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p1 = testdir.makepyfile(
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"""
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import pytest
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def globalfunc():
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pass
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def test_1():
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pytest.raises(ValueError, globalfunc)
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"""
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)
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child = testdir.spawn_pytest("--pdb %s" % p1)
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child.expect(".*def test_1")
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child.expect(".*pytest.raises.*globalfunc")
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child.expect("(Pdb)")
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child.sendline("globalfunc")
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child.expect(".*function")
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child.sendeof()
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child.expect("1 failed")
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self.flush(child)
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def test_pdb_interaction_on_collection_issue181(self, testdir):
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p1 = testdir.makepyfile(
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"""
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import pytest
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xxx
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"""
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)
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child = testdir.spawn_pytest("--pdb %s" % p1)
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# child.expect(".*import pytest.*")
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child.expect("(Pdb)")
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child.sendeof()
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child.expect("1 error")
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self.flush(child)
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def test_pdb_interaction_on_internal_error(self, testdir):
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testdir.makeconftest(
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"""
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def pytest_runtest_protocol():
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0/0
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"""
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)
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p1 = testdir.makepyfile("def test_func(): pass")
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child = testdir.spawn_pytest("--pdb %s" % p1)
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# child.expect(".*import pytest.*")
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child.expect("(Pdb)")
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child.sendeof()
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self.flush(child)
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def test_pdb_interaction_capturing_simple(self, testdir):
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p1 = testdir.makepyfile(
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"""
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import pytest
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def test_1():
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i = 0
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print ("hello17")
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pytest.set_trace()
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x = 3
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"""
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)
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child = testdir.spawn_pytest(str(p1))
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child.expect("test_1")
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child.expect("x = 3")
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child.expect("(Pdb)")
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child.sendeof()
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rest = child.read().decode("utf-8")
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assert "1 failed" in rest
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assert "def test_1" in rest
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assert "hello17" in rest # out is captured
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self.flush(child)
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def test_pdb_set_trace_interception(self, testdir):
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p1 = testdir.makepyfile(
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"""
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import pdb
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def test_1():
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pdb.set_trace()
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"""
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)
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child = testdir.spawn_pytest(str(p1))
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child.expect("test_1")
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child.expect("(Pdb)")
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child.sendeof()
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rest = child.read().decode("utf8")
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assert "1 failed" in rest
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assert "reading from stdin while output" not in rest
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self.flush(child)
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def test_pdb_and_capsys(self, testdir):
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p1 = testdir.makepyfile(
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"""
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import pytest
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def test_1(capsys):
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print ("hello1")
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pytest.set_trace()
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"""
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)
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child = testdir.spawn_pytest(str(p1))
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child.expect("test_1")
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child.send("capsys.readouterr()\n")
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child.expect("hello1")
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child.sendeof()
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child.read()
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self.flush(child)
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def test_set_trace_capturing_afterwards(self, testdir):
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p1 = testdir.makepyfile(
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"""
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import pdb
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def test_1():
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pdb.set_trace()
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def test_2():
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print ("hello")
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assert 0
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"""
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)
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child = testdir.spawn_pytest(str(p1))
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child.expect("test_1")
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child.send("c\n")
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child.expect("test_2")
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child.expect("Captured")
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child.expect("hello")
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child.sendeof()
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child.read()
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self.flush(child)
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def test_pdb_interaction_doctest(self, testdir):
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p1 = testdir.makepyfile(
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"""
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import pytest
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def function_1():
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'''
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>>> i = 0
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>>> assert i == 1
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'''
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"""
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)
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child = testdir.spawn_pytest("--doctest-modules --pdb %s" % p1)
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child.expect("(Pdb)")
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child.sendline("i")
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child.expect("0")
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child.expect("(Pdb)")
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child.sendeof()
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rest = child.read().decode("utf8")
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assert "1 failed" in rest
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self.flush(child)
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def test_pdb_interaction_capturing_twice(self, testdir):
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p1 = testdir.makepyfile(
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"""
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import pytest
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def test_1():
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i = 0
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print ("hello17")
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pytest.set_trace()
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x = 3
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print ("hello18")
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pytest.set_trace()
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x = 4
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"""
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)
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child = testdir.spawn_pytest(str(p1))
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child.expect("test_1")
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child.expect("x = 3")
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child.expect("(Pdb)")
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child.sendline("c")
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child.expect("x = 4")
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child.sendeof()
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rest = child.read().decode("utf8")
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assert "1 failed" in rest
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assert "def test_1" in rest
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assert "hello17" in rest # out is captured
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assert "hello18" in rest # out is captured
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self.flush(child)
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def test_pdb_used_outside_test(self, testdir):
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p1 = testdir.makepyfile(
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"""
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import pytest
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pytest.set_trace()
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x = 5
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"""
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)
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child = testdir.spawn("%s %s" % (sys.executable, p1))
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child.expect("x = 5")
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child.sendeof()
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self.flush(child)
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def test_pdb_used_in_generate_tests(self, testdir):
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p1 = testdir.makepyfile(
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"""
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import pytest
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def pytest_generate_tests(metafunc):
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pytest.set_trace()
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x = 5
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def test_foo(a):
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pass
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"""
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)
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child = testdir.spawn_pytest(str(p1))
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child.expect("x = 5")
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child.sendeof()
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self.flush(child)
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def test_pdb_collection_failure_is_shown(self, testdir):
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p1 = testdir.makepyfile("xxx")
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result = testdir.runpytest_subprocess("--pdb", p1)
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result.stdout.fnmatch_lines(["*NameError*xxx*", "*1 error*"])
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def test_enter_pdb_hook_is_called(self, testdir):
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testdir.makeconftest(
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"""
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def pytest_enter_pdb(config):
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assert config.testing_verification == 'configured'
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print 'enter_pdb_hook'
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def pytest_configure(config):
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config.testing_verification = 'configured'
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"""
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)
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p1 = testdir.makepyfile(
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"""
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import pytest
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def test_foo():
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pytest.set_trace()
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"""
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)
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child = testdir.spawn_pytest(str(p1))
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child.expect("enter_pdb_hook")
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child.send("c\n")
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child.sendeof()
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self.flush(child)
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def test_pdb_custom_cls(self, testdir, custom_pdb_calls):
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p1 = testdir.makepyfile("""xxx """)
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result = testdir.runpytest_inprocess("--pdb", "--pdbcls=_pytest:_CustomPdb", p1)
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result.stdout.fnmatch_lines(["*NameError*xxx*", "*1 error*"])
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assert custom_pdb_calls == ["init", "reset", "interaction"]
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def test_pdb_custom_cls_without_pdb(self, testdir, custom_pdb_calls):
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p1 = testdir.makepyfile("""xxx """)
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result = testdir.runpytest_inprocess("--pdbcls=_pytest:_CustomPdb", p1)
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result.stdout.fnmatch_lines(["*NameError*xxx*", "*1 error*"])
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assert custom_pdb_calls == []
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def test_pdb_custom_cls_with_settrace(self, testdir, monkeypatch):
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testdir.makepyfile(
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custom_pdb="""
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class CustomPdb(object):
|
|
def set_trace(*args, **kwargs):
|
|
print 'custom set_trace>'
|
|
"""
|
|
)
|
|
p1 = testdir.makepyfile(
|
|
"""
|
|
import pytest
|
|
|
|
def test_foo():
|
|
pytest.set_trace()
|
|
"""
|
|
)
|
|
monkeypatch.setenv("PYTHONPATH", str(testdir.tmpdir))
|
|
child = testdir.spawn_pytest("--pdbcls=custom_pdb:CustomPdb %s" % str(p1))
|
|
|
|
child.expect("custom set_trace>")
|
|
self.flush(child)
|
|
|
|
|
|
class TestDebuggingBreakpoints(object):
|
|
|
|
def test_supports_breakpoint_module_global(self):
|
|
"""
|
|
Test that supports breakpoint global marks on Python 3.7+ and not on
|
|
CPython 3.5, 2.7
|
|
"""
|
|
if sys.version_info.major == 3 and sys.version_info.minor >= 7:
|
|
assert SUPPORTS_BREAKPOINT_BUILTIN is True
|
|
if sys.version_info.major == 3 and sys.version_info.minor == 5:
|
|
assert SUPPORTS_BREAKPOINT_BUILTIN is False
|
|
if sys.version_info.major == 2 and sys.version_info.minor == 7:
|
|
assert SUPPORTS_BREAKPOINT_BUILTIN is False
|
|
|
|
@pytest.mark.skipif(
|
|
not SUPPORTS_BREAKPOINT_BUILTIN, reason="Requires breakpoint() builtin"
|
|
)
|
|
@pytest.mark.parametrize("arg", ["--pdb", ""])
|
|
def test_sys_breakpointhook_configure_and_unconfigure(self, testdir, arg):
|
|
"""
|
|
Test that sys.breakpointhook is set to the custom Pdb class once configured, test that
|
|
hook is reset to system value once pytest has been unconfigured
|
|
"""
|
|
testdir.makeconftest(
|
|
"""
|
|
import sys
|
|
from pytest import hookimpl
|
|
from _pytest.debugging import pytestPDB
|
|
|
|
def pytest_configure(config):
|
|
config._cleanup.append(check_restored)
|
|
|
|
def check_restored():
|
|
assert sys.breakpointhook == sys.__breakpointhook__
|
|
|
|
def test_check():
|
|
assert sys.breakpointhook == pytestPDB.set_trace
|
|
"""
|
|
)
|
|
testdir.makepyfile(
|
|
"""
|
|
def test_nothing(): pass
|
|
"""
|
|
)
|
|
args = (arg,) if arg else ()
|
|
result = testdir.runpytest_subprocess(*args)
|
|
result.stdout.fnmatch_lines(["*1 passed in *"])
|
|
|
|
@pytest.mark.skipif(
|
|
not SUPPORTS_BREAKPOINT_BUILTIN, reason="Requires breakpoint() builtin"
|
|
)
|
|
def test_pdb_custom_cls(self, testdir, custom_debugger_hook):
|
|
p1 = testdir.makepyfile(
|
|
"""
|
|
def test_nothing():
|
|
breakpoint()
|
|
"""
|
|
)
|
|
result = testdir.runpytest_inprocess(
|
|
"--pdb", "--pdbcls=_pytest:_CustomDebugger", p1
|
|
)
|
|
result.stdout.fnmatch_lines(["*CustomDebugger*", "*1 passed*"])
|
|
assert custom_debugger_hook == ["init", "set_trace"]
|
|
|
|
@pytest.mark.parametrize("arg", ["--pdb", ""])
|
|
@pytest.mark.skipif(
|
|
not SUPPORTS_BREAKPOINT_BUILTIN, reason="Requires breakpoint() builtin"
|
|
)
|
|
def test_environ_custom_class(self, testdir, custom_debugger_hook, arg):
|
|
testdir.makeconftest(
|
|
"""
|
|
import os
|
|
import sys
|
|
|
|
os.environ['PYTHONBREAKPOINT'] = '_pytest._CustomDebugger.set_trace'
|
|
|
|
def pytest_configure(config):
|
|
config._cleanup.append(check_restored)
|
|
|
|
def check_restored():
|
|
assert sys.breakpointhook == sys.__breakpointhook__
|
|
|
|
def test_check():
|
|
import _pytest
|
|
assert sys.breakpointhook is _pytest._CustomDebugger.set_trace
|
|
"""
|
|
)
|
|
testdir.makepyfile(
|
|
"""
|
|
def test_nothing(): pass
|
|
"""
|
|
)
|
|
args = (arg,) if arg else ()
|
|
result = testdir.runpytest_subprocess(*args)
|
|
result.stdout.fnmatch_lines(["*1 passed in *"])
|
|
|
|
@pytest.mark.skipif(
|
|
not SUPPORTS_BREAKPOINT_BUILTIN, reason="Requires breakpoint() builtin"
|
|
)
|
|
@pytest.mark.skipif(
|
|
not _ENVIRON_PYTHONBREAKPOINT == "",
|
|
reason="Requires breakpoint() default value",
|
|
)
|
|
def test_sys_breakpoint_interception(self, testdir):
|
|
p1 = testdir.makepyfile(
|
|
"""
|
|
def test_1():
|
|
breakpoint()
|
|
"""
|
|
)
|
|
child = testdir.spawn_pytest(str(p1))
|
|
child.expect("test_1")
|
|
child.expect("(Pdb)")
|
|
child.sendeof()
|
|
rest = child.read().decode("utf8")
|
|
assert "1 failed" in rest
|
|
assert "reading from stdin while output" not in rest
|
|
TestPDB.flush(child)
|
|
|
|
@pytest.mark.skipif(
|
|
not SUPPORTS_BREAKPOINT_BUILTIN, reason="Requires breakpoint() builtin"
|
|
)
|
|
def test_pdb_not_altered(self, testdir):
|
|
p1 = testdir.makepyfile(
|
|
"""
|
|
import pdb
|
|
def test_1():
|
|
pdb.set_trace()
|
|
"""
|
|
)
|
|
child = testdir.spawn_pytest(str(p1))
|
|
child.expect("test_1")
|
|
child.expect("(Pdb)")
|
|
child.sendeof()
|
|
rest = child.read().decode("utf8")
|
|
assert "1 failed" in rest
|
|
assert "reading from stdin while output" not in rest
|
|
TestPDB.flush(child)
|