409 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			409 lines
		
	
	
		
			12 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 _pytest._code
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import pytest
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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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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(testdir, """
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            def test_func():
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                assert 0
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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(testdir, """
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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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        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(testdir, """
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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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        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(testdir, """
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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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        assert rep.failed
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        assert len(pdblist) == 0
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    def test_pdb_interaction(self, testdir):
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        p1 = testdir.makepyfile("""
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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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        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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            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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        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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            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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        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_interaction_capture(self, testdir):
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        p1 = testdir.makepyfile("""
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            def test_1():
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                print("getrekt")
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                assert False
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        """)
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        child = testdir.spawn_pytest("--pdb %s" % p1)
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        child.expect("getrekt")
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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 "getrekt" not 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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            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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        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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            import pytest
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            xxx
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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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            def pytest_runtest_protocol():
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                0/0
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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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            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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        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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            import pdb
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            def test_1():
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                pdb.set_trace()
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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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            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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        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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            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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        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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            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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        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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            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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        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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            import pytest
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            pytest.set_trace()
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            x = 5
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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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            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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        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([
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            "*NameError*xxx*",
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            "*1 error*",
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        ])
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    def test_enter_pdb_hook_is_called(self, testdir):
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        testdir.makeconftest("""
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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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        p1 = testdir.makepyfile("""
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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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        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(
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            "--pdb", "--pdbcls=_pytest:_CustomPdb", p1)
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        result.stdout.fnmatch_lines([
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            "*NameError*xxx*",
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            "*1 error*",
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        ])
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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(
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            "--pdbcls=_pytest:_CustomPdb", p1)
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        result.stdout.fnmatch_lines([
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            "*NameError*xxx*",
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            "*1 error*",
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        ])
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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(custom_pdb="""
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            class CustomPdb(object):
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                def set_trace(*args, **kwargs):
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                    print 'custom set_trace>'
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         """)
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        p1 = testdir.makepyfile("""
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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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        monkeypatch.setenv('PYTHONPATH', str(testdir.tmpdir))
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        child = testdir.spawn_pytest("--pdbcls=custom_pdb:CustomPdb %s" % str(p1))
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        child.expect('custom set_trace>')
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        if child.isalive():
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            child.wait()
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