Run pre-commit: black, whitespaces, rst

testing/conftest.py

@@ -20,6 +20,7 @@ pytest_plugins = "pytester"
 @pytest.fixture(autouse=True)
 def _divert_atexit(request, monkeypatch):
     import atexit
+
     finalizers = []
 
     def finish():
@@ -31,10 +32,12 @@ def _divert_atexit(request, monkeypatch):
 
 
 def pytest_addoption(parser):
-    parser.addoption('--gx',
-                     action="append",
-                     dest="gspecs",
-                     help="add a global test environment, XSpec-syntax. ")
+    parser.addoption(
+        "--gx",
+        action="append",
+        dest="gspecs",
+        help="add a global test environment, XSpec-syntax. ",
+    )
 
 
 @pytest.fixture

testing/test_dsession.py

@@ -1,9 +1,6 @@
 from xdist.dsession import DSession
 from xdist.report import report_collection_diff
-from xdist.scheduler import (
-    EachScheduling,
-    LoadScheduling,
-)
+from xdist.scheduler import EachScheduling, LoadScheduling
 
 import py
 import pytest
@@ -60,7 +57,7 @@ class TestEachScheduling:
         sched = EachScheduling(config)
         sched.add_node(node1)
         sched.add_node(node2)
-        collection = ["a.py::test_1", ]
+        collection = ["a.py::test_1"]
         assert not sched.collection_is_completed
         sched.add_node_collection(node1, collection)
         assert not sched.collection_is_completed
@@ -70,8 +67,8 @@ class TestEachScheduling:
         assert sched.node2collection[node2] == collection
         sched.schedule()
         assert sched.tests_finished
-        assert node1.sent == ['ALL']
-        assert node2.sent == ['ALL']
+        assert node1.sent == ["ALL"]
+        assert node2.sent == ["ALL"]
         sched.mark_test_complete(node1, 0)
         assert sched.tests_finished
         sched.mark_test_complete(node2, 0)
@@ -82,7 +79,7 @@ class TestEachScheduling:
         config = testdir.parseconfig("--tx=popen")
         sched = EachScheduling(config)
         sched.add_node(node1)
-        collection = ["a.py::test_1", ]
+        collection = ["a.py::test_1"]
         assert not sched.collection_is_completed
         sched.add_node_collection(node1, collection)
         assert sched.collection_is_completed
@@ -230,7 +227,7 @@ class TestLoadScheduling:
         sched.schedule()
         assert len(collect_hook.reports) == 1
         rep = collect_hook.reports[0]
-        assert 'Different tests were collected between' in rep.longrepr
+        assert "Different tests were collected between" in rep.longrepr
 
 
 class TestDistReporter:
@@ -238,6 +235,7 @@ class TestDistReporter:
     def test_rsync_printing(self, testdir, linecomp):
         config = testdir.parseconfig()
         from _pytest.pytest_terminal import TerminalReporter
+
         rep = TerminalReporter(config, file=linecomp.stringio)
         config.pluginmanager.register(rep, "terminalreporter")
         dsession = DSession(config)
@@ -249,6 +247,7 @@ class TestDistReporter:
         class gw2:
             id = "X2"
             spec = execnet.XSpec("popen")
+
         # class rinfo:
         #    version_info = (2, 5, 1, 'final', 0)
         #    executable = "hello"
@@ -260,47 +259,50 @@ class TestDistReporter:
         #     "*X1*popen*xyz*2.5*"
         # ])
         dsession.pytest_xdist_rsyncstart(source="hello", gateways=[gw1, gw2])
-        linecomp.assert_contains_lines(["[X1,X2] rsyncing: hello", ])
+        linecomp.assert_contains_lines(["[X1,X2] rsyncing: hello"])
 
 
 def test_report_collection_diff_equal():
     """Test reporting of equal collections."""
-    from_collection = to_collection = ['aaa', 'bbb', 'ccc']
+    from_collection = to_collection = ["aaa", "bbb", "ccc"]
     assert report_collection_diff(from_collection, to_collection, 1, 2) is None
 
 
 def test_report_collection_diff_different():
     """Test reporting of different collections."""
-    from_collection = ['aaa', 'bbb', 'ccc', 'YYY']
-    to_collection = ['aZa', 'bbb', 'XXX', 'ccc']
+    from_collection = ["aaa", "bbb", "ccc", "YYY"]
+    to_collection = ["aZa", "bbb", "XXX", "ccc"]
     error_message = (
-        'Different tests were collected between 1 and 2. The difference is:\n'
-        '--- 1\n'
-        '\n'
-        '+++ 2\n'
-        '\n'
-        '@@ -1,4 +1,4 @@\n'
-        '\n'
-        '-aaa\n'
-        '+aZa\n'
-        ' bbb\n'
-        '+XXX\n'
-        ' ccc\n'
-        '-YYY')
+        "Different tests were collected between 1 and 2. The difference is:\n"
+        "--- 1\n"
+        "\n"
+        "+++ 2\n"
+        "\n"
+        "@@ -1,4 +1,4 @@\n"
+        "\n"
+        "-aaa\n"
+        "+aZa\n"
+        " bbb\n"
+        "+XXX\n"
+        " ccc\n"
+        "-YYY"
+    )
 
-    msg = report_collection_diff(from_collection, to_collection, '1', '2')
+    msg = report_collection_diff(from_collection, to_collection, "1", "2")
     assert msg == error_message
 
 
 @pytest.mark.xfail(reason="duplicate test ids not supported yet")
 def test_pytest_issue419(testdir):
-    testdir.makepyfile("""
+    testdir.makepyfile(
+        """
         import pytest
 
         @pytest.mark.parametrize('birth_year', [1988, 1988, ])
         def test_2011_table(birth_year):
             pass
-    """)
+    """
+    )
     reprec = testdir.inline_run("-n1")
     reprec.assertoutcome(passed=2)
     assert 0

testing/test_looponfail.py

@@ -60,7 +60,7 @@ class TestStatRecorder:
         p.remove()
         # make check()'s visit() call return our just removed
         # path as if we were in a race condition
-        monkeypatch.setattr(tmp, 'visit', lambda *args: [p])
+        monkeypatch.setattr(tmp, "visit", lambda *args: [p])
 
         changed = sd.check()
         assert changed
@@ -84,7 +84,7 @@ class TestStatRecorder:
         sd = StatRecorder([tmp])
 
         ret_values = [True, False]
-        monkeypatch.setattr(StatRecorder, 'check', lambda self: ret_values.pop())
+        monkeypatch.setattr(StatRecorder, "check", lambda self: ret_values.pop())
         sd.waitonchange(checkinterval=0.2)
         assert not ret_values
 
@@ -110,19 +110,25 @@ class TestRemoteControl:
         assert not failures
 
     def test_failure_change(self, testdir):
-        modcol = testdir.getitem("""
+        modcol = testdir.getitem(
+            """
             def test_func():
                 assert 0
-        """)
+        """
+        )
         control = RemoteControl(modcol.config)
         control.loop_once()
         assert control.failures
-        modcol.fspath.write(py.code.Source("""
+        modcol.fspath.write(
+            py.code.Source(
+                """
             def test_func():
                 assert 1
             def test_new():
                 assert 0
-        """))
+        """
+            )
+        )
         removepyc(modcol.fspath)
         control.loop_once()
         assert not control.failures
@@ -131,14 +137,17 @@ class TestRemoteControl:
         assert str(control.failures).find("test_new") != -1
 
     def test_failure_subdir_no_init(self, testdir):
-        modcol = testdir.getitem("""
+        modcol = testdir.getitem(
+            """
             def test_func():
                 assert 0
-        """)
+        """
+        )
         parent = modcol.fspath.dirpath().dirpath()
         parent.chdir()
-        modcol.config.args = [py.path.local(x).relto(parent)
-                              for x in modcol.config.args]
+        modcol.config.args = [
+            py.path.local(x).relto(parent) for x in modcol.config.args
+        ]
         control = RemoteControl(modcol.config)
         control.loop_once()
         assert control.failures
@@ -148,70 +157,87 @@ class TestRemoteControl:
 
 class TestLooponFailing:
     def test_looponfail_from_fail_to_ok(self, testdir):
-        modcol = testdir.getmodulecol("""
+        modcol = testdir.getmodulecol(
+            """
             def test_one():
                 x = 0
                 assert x == 1
             def test_two():
                 assert 1
-        """)
+        """
+        )
         remotecontrol = RemoteControl(modcol.config)
         remotecontrol.loop_once()
         assert len(remotecontrol.failures) == 1
 
-        modcol.fspath.write(py.code.Source("""
+        modcol.fspath.write(
+            py.code.Source(
+                """
             def test_one():
                 assert 1
             def test_two():
                 assert 1
-        """))
+        """
+            )
+        )
         removepyc(modcol.fspath)
         remotecontrol.loop_once()
         assert not remotecontrol.failures
 
     def test_looponfail_from_one_to_two_tests(self, testdir):
-        modcol = testdir.getmodulecol("""
+        modcol = testdir.getmodulecol(
+            """
             def test_one():
                 assert 0
-        """)
+        """
+        )
         remotecontrol = RemoteControl(modcol.config)
         remotecontrol.loop_once()
         assert len(remotecontrol.failures) == 1
-        assert 'test_one' in remotecontrol.failures[0]
+        assert "test_one" in remotecontrol.failures[0]
 
-        modcol.fspath.write(py.code.Source("""
+        modcol.fspath.write(
+            py.code.Source(
+                """
             def test_one():
                 assert 1 # passes now
             def test_two():
                 assert 0 # new and fails
-        """))
+        """
+            )
+        )
         removepyc(modcol.fspath)
         remotecontrol.loop_once()
         assert len(remotecontrol.failures) == 0
         remotecontrol.loop_once()
         assert len(remotecontrol.failures) == 1
-        assert 'test_one' not in remotecontrol.failures[0]
-        assert 'test_two' in remotecontrol.failures[0]
+        assert "test_one" not in remotecontrol.failures[0]
+        assert "test_two" in remotecontrol.failures[0]
 
-    @py.test.mark.xfail(py.test.__version__ >= "3.1",
-                        reason="broken by pytest 3.1+")
+    @py.test.mark.xfail(py.test.__version__ >= "3.1", reason="broken by pytest 3.1+")
     def test_looponfail_removed_test(self, testdir):
-        modcol = testdir.getmodulecol("""
+        modcol = testdir.getmodulecol(
+            """
             def test_one():
                 assert 0
             def test_two():
                 assert 0
-        """)
+        """
+        )
         remotecontrol = RemoteControl(modcol.config)
         remotecontrol.loop_once()
         assert len(remotecontrol.failures) == 2
 
-        modcol.fspath.write(py.code.Source("""
+        modcol.fspath.write(
+            py.code.Source(
+                """
             def test_xxx(): # renamed test
                 assert 0
             def test_two():
                 assert 1 # pass now
-        """))
+        """
+            )
+        )
         removepyc(modcol.fspath)
         remotecontrol.loop_once()
         assert len(remotecontrol.failures) == 0
@@ -220,10 +246,12 @@ class TestLooponFailing:
         assert len(remotecontrol.failures) == 1
 
     def test_looponfail_multiple_errors(self, testdir, monkeypatch):
-        modcol = testdir.getmodulecol("""
+        modcol = testdir.getmodulecol(
+            """
             def test_one():
                 assert 0
-        """)
+        """
+        )
         remotecontrol = RemoteControl(modcol.config)
         orig_runsession = remotecontrol.runsession
 
@@ -233,18 +261,20 @@ class TestLooponFailing:
             print(failures)
             return failures * 2, reports, collection_failed
 
-        monkeypatch.setattr(remotecontrol, 'runsession', runsession_dups)
+        monkeypatch.setattr(remotecontrol, "runsession", runsession_dups)
         remotecontrol.loop_once()
         assert len(remotecontrol.failures) == 1
 
 
 class TestFunctional:
     def test_fail_to_ok(self, testdir):
-        p = testdir.makepyfile("""
+        p = testdir.makepyfile(
+            """
             def test_one():
                 x = 0
                 assert x == 1
-        """)
+        """
+        )
         # p = testdir.mkdir("sub").join(p1.basename)
         # p1.move(p)
         child = testdir.spawn_pytest("-f %s --traceconfig" % p)
@@ -253,21 +283,27 @@ class TestFunctional:
         child.expect("1 failed")
         child.expect("### LOOPONFAILING ####")
         child.expect("waiting for changes")
-        p.write(py.code.Source("""
+        p.write(
+            py.code.Source(
+                """
             def test_one():
                 x = 1
                 assert x == 1
-        """))
+        """
+            )
+        )
         child.expect(".*1 passed.*")
         child.kill(15)
 
     def test_xfail_passes(self, testdir):
-        p = testdir.makepyfile("""
+        p = testdir.makepyfile(
+            """
             import py
             @py.test.mark.xfail
             def test_one():
                 pass
-        """)
+        """
+        )
         child = testdir.spawn_pytest("-f %s" % p)
         child.expect("1 xpass")
         # child.expect("### LOOPONFAILING ####")

testing/test_newhooks.py

@@ -2,21 +2,23 @@ import pytest
 
 
 class TestHooks:
-
     @pytest.fixture(autouse=True)
     def create_test_file(self, testdir):
-        testdir.makepyfile("""
+        testdir.makepyfile(
+            """
             import os
             def test_a(): pass
             def test_b(): pass
             def test_c(): pass
-        """)
+        """
+        )
 
     def test_runtest_logreport(self, testdir):
         """Test that log reports from pytest_runtest_logreport when running
         with xdist contain "node", "nodeid" and "worker_id" attributes. (#8)
         """
-        testdir.makeconftest("""
+        testdir.makeconftest(
+            """
             def pytest_runtest_logreport(report):
                 if hasattr(report, 'node'):
                     if report.when == "call":
@@ -27,29 +29,31 @@ class TestHooks:
                         else:
                             print("HOOK: %s %s"
                                    % (report.nodeid, report.worker_id))
-        """)
-        res = testdir.runpytest('-n1', '-s')
-        res.stdout.fnmatch_lines([
-            '*HOOK: test_runtest_logreport.py::test_a gw0*',
-            '*HOOK: test_runtest_logreport.py::test_b gw0*',
-            '*HOOK: test_runtest_logreport.py::test_c gw0*',
-            '*3 passed*',
-        ])
+        """
+        )
+        res = testdir.runpytest("-n1", "-s")
+        res.stdout.fnmatch_lines(
+            [
+                "*HOOK: test_runtest_logreport.py::test_a gw0*",
+                "*HOOK: test_runtest_logreport.py::test_b gw0*",
+                "*HOOK: test_runtest_logreport.py::test_c gw0*",
+                "*3 passed*",
+            ]
+        )
 
     def test_node_collection_finished(self, testdir):
         """Test pytest_xdist_node_collection_finished hook (#8).
         """
-        testdir.makeconftest("""
+        testdir.makeconftest(
+            """
             def pytest_xdist_node_collection_finished(node, ids):
                 workerid = node.workerinput['workerid']
                 stripped_ids = [x.split('::')[1] for x in ids]
                 print("HOOK: %s %s" % (workerid, ', '.join(stripped_ids)))
-        """)
-        res = testdir.runpytest('-n2', '-s')
-        res.stdout.fnmatch_lines_random([
-            '*HOOK: gw0 test_a, test_b, test_c',
-            '*HOOK: gw1 test_a, test_b, test_c',
-        ])
-        res.stdout.fnmatch_lines([
-            '*3 passed*',
-        ])
+        """
+        )
+        res = testdir.runpytest("-n2", "-s")
+        res.stdout.fnmatch_lines_random(
+            ["*HOOK: gw0 test_a, test_b, test_c", "*HOOK: gw1 test_a, test_b, test_c"]
+        )
+        res.stdout.fnmatch_lines(["*3 passed*"])

testing/test_plugin.py

@@ -16,14 +16,15 @@ def test_dist_incompatibility_messages(testdir):
 
 def test_dist_options(testdir):
     from xdist.plugin import pytest_cmdline_main as check_options
+
     config = testdir.parseconfigure("-n 2")
     check_options(config)
     assert config.option.dist == "load"
-    assert config.option.tx == ['popen'] * 2
+    assert config.option.tx == ["popen"] * 2
     config = testdir.parseconfigure("--numprocesses", "2")
     check_options(config)
     assert config.option.dist == "load"
-    assert config.option.tx == ['popen'] * 2
+    assert config.option.tx == ["popen"] * 2
     config = testdir.parseconfigure("-d")
     check_options(config)
     assert config.option.dist == "load"
@@ -31,28 +32,31 @@ def test_dist_options(testdir):
 
 def test_auto_detect_cpus(testdir, monkeypatch):
     import os
-    if hasattr(os, 'sched_getaffinity'):
-        monkeypatch.setattr(os, 'sched_getaffinity', lambda _pid: set(range(99)))
-    elif hasattr(os, 'cpu_count'):
-        monkeypatch.setattr(os, 'cpu_count', lambda: 99)
+
+    if hasattr(os, "sched_getaffinity"):
+        monkeypatch.setattr(os, "sched_getaffinity", lambda _pid: set(range(99)))
+    elif hasattr(os, "cpu_count"):
+        monkeypatch.setattr(os, "cpu_count", lambda: 99)
     else:
         import multiprocessing
-        monkeypatch.setattr(multiprocessing, 'cpu_count', lambda: 99)
+
+        monkeypatch.setattr(multiprocessing, "cpu_count", lambda: 99)
 
     config = testdir.parseconfigure("-n2")
-    assert config.getoption('numprocesses') == 2
+    assert config.getoption("numprocesses") == 2
 
     config = testdir.parseconfigure("-nauto")
-    assert config.getoption('numprocesses') == 99
+    assert config.getoption("numprocesses") == 99
 
-    monkeypatch.delattr(os, 'sched_getaffinity', raising=False)
-    monkeypatch.setenv('TRAVIS', 'true')
+    monkeypatch.delattr(os, "sched_getaffinity", raising=False)
+    monkeypatch.setenv("TRAVIS", "true")
     config = testdir.parseconfigure("-nauto")
-    assert config.getoption('numprocesses') == 2
+    assert config.getoption("numprocesses") == 2
 
 
 def test_boxed_with_collect_only(testdir):
     from xdist.plugin import pytest_cmdline_main as check_options
+
     config = testdir.parseconfigure("-n1", "--boxed")
     check_options(config)
     assert config.option.forked
@@ -92,13 +96,13 @@ class TestDistOptions:
         assert xspecs[1].ssh == "xyz"
 
     def test_xspecs_multiplied(self, testdir):
-        config = testdir.parseconfigure("--tx=3*popen", )
+        config = testdir.parseconfigure("--tx=3*popen")
         xspecs = NodeManager(config)._getxspecs()
         assert len(xspecs) == 3
         assert xspecs[1].popen
 
     def test_getrsyncdirs(self, testdir):
-        config = testdir.parseconfigure('--rsyncdir=' + str(testdir.tmpdir))
+        config = testdir.parseconfigure("--rsyncdir=" + str(testdir.tmpdir))
         nm = NodeManager(config, specs=[execnet.XSpec("popen")])
         assert not nm._getrsyncdirs()
         nm = NodeManager(config, specs=[execnet.XSpec("popen//chdir=qwe")])
@@ -106,23 +110,24 @@ class TestDistOptions:
         assert testdir.tmpdir in nm.roots
 
     def test_getrsyncignore(self, testdir):
-        config = testdir.parseconfigure('--rsyncignore=fo*')
+        config = testdir.parseconfigure("--rsyncignore=fo*")
         nm = NodeManager(config, specs=[execnet.XSpec("popen//chdir=qwe")])
-        assert 'fo*' in nm.rsyncoptions['ignores']
+        assert "fo*" in nm.rsyncoptions["ignores"]
 
     def test_getrsyncdirs_with_conftest(self, testdir):
         p = py.path.local()
-        for bn in 'x y z'.split():
+        for bn in "x y z".split():
             p.mkdir(bn)
-        testdir.makeini("""
+        testdir.makeini(
+            """
             [pytest]
             rsyncdirs= x
-        """)
-        config = testdir.parseconfigure(
-            testdir.tmpdir, '--rsyncdir=y', '--rsyncdir=z')
+        """
+        )
+        config = testdir.parseconfigure(testdir.tmpdir, "--rsyncdir=y", "--rsyncdir=z")
         nm = NodeManager(config, specs=[execnet.XSpec("popen//chdir=xyz")])
         roots = nm._getrsyncdirs()
         # assert len(roots) == 3 + 1 # pylib
-        assert py.path.local('y') in roots
-        assert py.path.local('z') in roots
-        assert testdir.tmpdir.join('x') in roots
+        assert py.path.local("y") in roots
+        assert py.path.local("z") in roots
+        assert testdir.tmpdir.join("x") in roots

testing/test_remote.py

@@ -35,7 +35,7 @@ class WorkerSetup:
         self.testdir = testdir
         self.events = Queue()
 
-    def setup(self, ):
+    def setup(self,):
         self.testdir.chdir()
         # import os ; os.environ['EXECNET_DEBUG'] = "2"
         self.gateway = execnet.makegateway()
@@ -45,8 +45,7 @@ class WorkerSetup:
         class DummyMananger:
             specs = [0, 1]
 
-        self.slp = WorkerController(DummyMananger, self.gateway, config,
-                                    putevent)
+        self.slp = WorkerController(DummyMananger, self.gateway, config, putevent)
         self.request.addfinalizer(self.slp.ensure_teardown)
         self.slp.setup()
 
@@ -59,7 +58,7 @@ class WorkerSetup:
             ev = EventCall(data)
             if name is None or ev.name == name:
                 return ev
-            print("skipping %s" % (ev, ))
+            print("skipping %s" % (ev,))
 
     def sendcommand(self, name, **kwargs):
         self.slp.sendcommand(name, **kwargs)
@@ -70,9 +69,10 @@ def worker(request, testdir):
     return WorkerSetup(request, testdir)
 
 
-@pytest.mark.xfail(reason='#59')
+@pytest.mark.xfail(reason="#59")
 def test_remoteinitconfig(testdir):
     from xdist.remote import remote_initconfig
+
     config1 = testdir.parseconfig()
     config2 = remote_initconfig(config1.option.__dict__, config1.args)
     assert config2.option.__dict__ == config1.option.__dict__
@@ -81,29 +81,33 @@ def test_remoteinitconfig(testdir):
 
 class TestReportSerialization:
     def test_xdist_longrepr_to_str_issue_241(self, testdir):
-        testdir.makepyfile("""
+        testdir.makepyfile(
+            """
             import os
             def test_a(): assert False
             def test_b(): pass
-        """)
-        testdir.makeconftest("""
+        """
+        )
+        testdir.makeconftest(
+            """
             def pytest_runtest_logreport(report):
                 print(report.longrepr)
-        """)
-        res = testdir.runpytest('-n1', '-s')
-        res.stdout.fnmatch_lines([
-            '*1 failed, 1 passed *'
-        ])
+        """
+        )
+        res = testdir.runpytest("-n1", "-s")
+        res.stdout.fnmatch_lines(["*1 failed, 1 passed *"])
 
     def test_xdist_report_longrepr_reprcrash_130(self, testdir):
-        reprec = testdir.inline_runsource("""
+        reprec = testdir.inline_runsource(
+            """
                     import py
                     def test_fail(): assert False, 'Expected Message'
-                """)
+                """
+        )
         reports = reprec.getreports("pytest_runtest_logreport")
         assert len(reports) == 3
         rep = reports[1]
-        added_section = ('Failure Metadata', str("metadata metadata"), "*")
+        added_section = ("Failure Metadata", str("metadata metadata"), "*")
         rep.longrepr.sections.append(added_section)
         d = serialize_report(rep)
         check_marshallable(d)
@@ -111,28 +115,31 @@ class TestReportSerialization:
         # Check assembled == rep
         assert a.__dict__.keys() == rep.__dict__.keys()
         for key in rep.__dict__.keys():
-            if key != 'longrepr':
+            if key != "longrepr":
                 assert getattr(a, key) == getattr(rep, key)
         assert rep.longrepr.reprcrash.lineno == a.longrepr.reprcrash.lineno
         assert rep.longrepr.reprcrash.message == a.longrepr.reprcrash.message
         assert rep.longrepr.reprcrash.path == a.longrepr.reprcrash.path
-        assert rep.longrepr.reprtraceback.entrysep \
-            == a.longrepr.reprtraceback.entrysep
-        assert rep.longrepr.reprtraceback.extraline \
-            == a.longrepr.reprtraceback.extraline
-        assert rep.longrepr.reprtraceback.style \
-            == a.longrepr.reprtraceback.style
+        assert rep.longrepr.reprtraceback.entrysep == a.longrepr.reprtraceback.entrysep
+        assert (
+            rep.longrepr.reprtraceback.extraline == a.longrepr.reprtraceback.extraline
+        )
+        assert rep.longrepr.reprtraceback.style == a.longrepr.reprtraceback.style
         assert rep.longrepr.sections == a.longrepr.sections
         # Missing section attribute PR171
         assert added_section in a.longrepr.sections
 
     def test_reprentries_serialization_170(self, testdir):
         from _pytest._code.code import ReprEntry
-        reprec = testdir.inline_runsource("""
+
+        reprec = testdir.inline_runsource(
+            """
                             def test_repr_entry():
                                 x = 0
                                 assert x
-                        """, '--showlocals')
+                        """,
+            "--showlocals",
+        )
         reports = reprec.getreports("pytest_runtest_logreport")
         assert len(reports) == 3
         rep = reports[1]
@@ -146,7 +153,9 @@ class TestReportSerialization:
             assert rep_entries[i].lines == a_entries[i].lines
             assert rep_entries[i].localssep == a_entries[i].localssep
             assert rep_entries[i].reprfileloc.lineno == a_entries[i].reprfileloc.lineno
-            assert rep_entries[i].reprfileloc.message == a_entries[i].reprfileloc.message
+            assert (
+                rep_entries[i].reprfileloc.message == a_entries[i].reprfileloc.message
+            )
             assert rep_entries[i].reprfileloc.path == a_entries[i].reprfileloc.path
             assert rep_entries[i].reprfuncargs.args == a_entries[i].reprfuncargs.args
             assert rep_entries[i].reprlocals.lines == a_entries[i].reprlocals.lines
@@ -154,11 +163,15 @@ class TestReportSerialization:
 
     def test_reprentries_serialization_196(self, testdir):
         from _pytest._code.code import ReprEntryNative
-        reprec = testdir.inline_runsource("""
+
+        reprec = testdir.inline_runsource(
+            """
                             def test_repr_entry_native():
                                 x = 0
                                 assert x
-                        """, '--tb=native')
+                        """,
+            "--tb=native",
+        )
         reports = reprec.getreports("pytest_runtest_logreport")
         assert len(reports) == 3
         rep = reports[1]
@@ -172,7 +185,8 @@ class TestReportSerialization:
             assert rep_entries[i].lines == a_entries[i].lines
 
     def test_itemreport_outcomes(self, testdir):
-        reprec = testdir.inline_runsource("""
+        reprec = testdir.inline_runsource(
+            """
             import py
             def test_pass(): pass
             def test_fail(): 0/0
@@ -184,7 +198,8 @@ class TestReportSerialization:
             def test_xfail(): 0/0
             def test_xfail_imperative():
                 py.test.xfail("hello")
-        """)
+        """
+        )
         reports = reprec.getreports("pytest_runtest_logreport")
         assert len(reports) == 17  # with setup/teardown "passed" reports
         for rep in reports:
@@ -246,10 +261,12 @@ class TestReportSerialization:
 
 class TestWorkerInteractor:
     def test_basic_collect_and_runtests(self, worker):
-        worker.testdir.makepyfile("""
+        worker.testdir.makepyfile(
+            """
             def test_func():
                 pass
-        """)
+        """
+        )
         worker.setup()
         ev = worker.popevent()
         assert ev.name == "workerready"
@@ -257,8 +274,8 @@ class TestWorkerInteractor:
         assert ev.name == "collectionstart"
         assert not ev.kwargs
         ev = worker.popevent("collectionfinish")
-        assert ev.kwargs['topdir'] == worker.testdir.tmpdir
-        ids = ev.kwargs['ids']
+        assert ev.kwargs["topdir"] == worker.testdir.tmpdir
+        ids = ev.kwargs["ids"]
         assert len(ids) == 1
         worker.sendcommand("runtests", indices=list(range(len(ids))))
         worker.sendcommand("shutdown")
@@ -268,20 +285,23 @@ class TestWorkerInteractor:
         ev = worker.popevent("testreport")  # setup
         ev = worker.popevent("testreport")
         assert ev.name == "testreport"
-        rep = unserialize_report(ev.name, ev.kwargs['data'])
+        rep = unserialize_report(ev.name, ev.kwargs["data"])
         assert rep.nodeid.endswith("::test_func")
         assert rep.passed
         assert rep.when == "call"
         ev = worker.popevent("workerfinished")
-        assert 'workeroutput' in ev.kwargs
+        assert "workeroutput" in ev.kwargs
 
-    @pytest.mark.skipif(pytest.__version__ >= '3.0',
-                        reason='skip at module level illegal in pytest 3.0')
+    @pytest.mark.skipif(
+        pytest.__version__ >= "3.0", reason="skip at module level illegal in pytest 3.0"
+    )
     def test_remote_collect_skip(self, worker):
-        worker.testdir.makepyfile("""
+        worker.testdir.makepyfile(
+            """
             import py
             py.test.skip("hello")
-        """)
+        """
+        )
         worker.setup()
         ev = worker.popevent("collectionstart")
         assert not ev.kwargs
@@ -289,10 +309,10 @@ class TestWorkerInteractor:
         assert ev.name == "collectreport"
         ev = worker.popevent()
         assert ev.name == "collectreport"
-        rep = unserialize_report(ev.name, ev.kwargs['data'])
+        rep = unserialize_report(ev.name, ev.kwargs["data"])
         assert rep.skipped
         ev = worker.popevent("collectionfinish")
-        assert not ev.kwargs['ids']
+        assert not ev.kwargs["ids"]
 
     def test_remote_collect_fail(self, worker):
         worker.testdir.makepyfile("""aasd qwe""")
@@ -303,16 +323,18 @@ class TestWorkerInteractor:
         assert ev.name == "collectreport"
         ev = worker.popevent()
         assert ev.name == "collectreport"
-        rep = unserialize_report(ev.name, ev.kwargs['data'])
+        rep = unserialize_report(ev.name, ev.kwargs["data"])
         assert rep.failed
         ev = worker.popevent("collectionfinish")
-        assert not ev.kwargs['ids']
+        assert not ev.kwargs["ids"]
 
     def test_runtests_all(self, worker):
-        worker.testdir.makepyfile("""
+        worker.testdir.makepyfile(
+            """
             def test_func(): pass
             def test_func2(): pass
-        """)
+        """
+        )
         worker.setup()
         ev = worker.popevent()
         assert ev.name == "workerready"
@@ -320,57 +342,63 @@ class TestWorkerInteractor:
         assert ev.name == "collectionstart"
         assert not ev.kwargs
         ev = worker.popevent("collectionfinish")
-        ids = ev.kwargs['ids']
+        ids = ev.kwargs["ids"]
         assert len(ids) == 2
-        worker.sendcommand("runtests_all", )
-        worker.sendcommand("shutdown", )
+        worker.sendcommand("runtests_all")
+        worker.sendcommand("shutdown")
         for func in "::test_func", "::test_func2":
             for i in range(3):  # setup/call/teardown
                 ev = worker.popevent("testreport")
                 assert ev.name == "testreport"
-                rep = unserialize_report(ev.name, ev.kwargs['data'])
+                rep = unserialize_report(ev.name, ev.kwargs["data"])
                 assert rep.nodeid.endswith(func)
         ev = worker.popevent("workerfinished")
-        assert 'workeroutput' in ev.kwargs
+        assert "workeroutput" in ev.kwargs
 
     def test_happy_run_events_converted(self, testdir, worker):
         py.test.xfail("implement a simple test for event production")
         assert not worker.use_callback
-        worker.testdir.makepyfile("""
+        worker.testdir.makepyfile(
+            """
             def test_func():
                 pass
-        """)
+        """
+        )
         worker.setup()
         hookrec = testdir.getreportrecorder(worker.config)
         for data in worker.slp.channel:
             worker.slp.process_from_remote(data)
         worker.slp.process_from_remote(worker.slp.ENDMARK)
         pprint.pprint(hookrec.hookrecorder.calls)
-        hookrec.hookrecorder.contains([
-            ("pytest_collectstart", "collector.fspath == aaa"),
-            ("pytest_pycollect_makeitem", "name == 'test_func'"),
-            ("pytest_collectreport", "report.collector.fspath == aaa"),
-            ("pytest_collectstart", "collector.fspath == bbb"),
-            ("pytest_pycollect_makeitem", "name == 'test_func'"),
-            ("pytest_collectreport", "report.collector.fspath == bbb"),
-        ])
+        hookrec.hookrecorder.contains(
+            [
+                ("pytest_collectstart", "collector.fspath == aaa"),
+                ("pytest_pycollect_makeitem", "name == 'test_func'"),
+                ("pytest_collectreport", "report.collector.fspath == aaa"),
+                ("pytest_collectstart", "collector.fspath == bbb"),
+                ("pytest_pycollect_makeitem", "name == 'test_func'"),
+                ("pytest_collectreport", "report.collector.fspath == bbb"),
+            ]
+        )
 
     def test_process_from_remote_error_handling(self, worker, capsys):
         worker.use_callback = True
         worker.setup()
-        worker.slp.process_from_remote(('<nonono>', ()))
+        worker.slp.process_from_remote(("<nonono>", ()))
         out, err = capsys.readouterr()
-        assert 'INTERNALERROR> ValueError: unknown event: <nonono>' in out
+        assert "INTERNALERROR> ValueError: unknown event: <nonono>" in out
         ev = worker.popevent()
         assert ev.name == "errordown"
 
 
 def test_remote_env_vars(testdir):
-    testdir.makepyfile('''
+    testdir.makepyfile(
+        """
         import os
         def test():
             assert os.environ['PYTEST_XDIST_WORKER'] in ('gw0', 'gw1')
             assert os.environ['PYTEST_XDIST_WORKER_COUNT'] == '2'
-    ''')
-    result = testdir.runpytest('-n2', '--max-worker-restart=0')
+    """
+    )
+    result = testdir.runpytest("-n2", "--max-worker-restart=0")
     assert result.ret == 0

testing/test_slavemanage.py

@@ -42,7 +42,7 @@ def workercontroller(monkeypatch):
         def setup(self):
             pass
 
-    monkeypatch.setattr(workermanage, 'WorkerController', MockController)
+    monkeypatch.setattr(workermanage, "WorkerController", MockController)
     return MockController
 
 
@@ -58,8 +58,7 @@ class TestNodeManagerPopen:
         for spec in NodeManager(config, specs, defaultchdir="abc").specs:
             assert spec.chdir == "abc"
 
-    def test_popen_makegateway_events(self, config, hookrecorder,
-                                      workercontroller):
+    def test_popen_makegateway_events(self, config, hookrecorder, workercontroller):
         hm = NodeManager(config, ["popen"] * 2)
         hm.setup_nodes(None)
         call = hookrecorder.popcall("pytest_xdist_setupnodes")
@@ -108,15 +107,16 @@ class TestNodeManagerPopen:
         for gw in hm.group:
             hm.rsync(gw, source, notify=lambda *args: notifications.append(args))
         assert len(notifications) == 1
-        assert notifications[0] == ("rsyncrootready", hm.group['gw0'].spec, source)
+        assert notifications[0] == ("rsyncrootready", hm.group["gw0"].spec, source)
         hm.teardown_nodes()
         dest = dest.join(source.basename)
         assert dest.join("dir1").check()
         assert dest.join("dir1", "dir2").check()
-        assert dest.join("dir1", "dir2", 'hello').check()
+        assert dest.join("dir1", "dir2", "hello").check()
 
-    def test_rsync_same_popen_twice(self, config, mysetup, hookrecorder,
-                                    workercontroller):
+    def test_rsync_same_popen_twice(
+        self, config, mysetup, hookrecorder, workercontroller
+    ):
         source, dest = mysetup.source, mysetup.dest
         hm = NodeManager(config, ["popen//chdir=%s" % dest] * 2)
         hm.roots = []
@@ -142,9 +142,9 @@ class TestHRSync:
         files = list(source.visit(rec=syncer.filter, fil=syncer.filter))
         assert len(files) == 3
         basenames = [x.basename for x in files]
-        assert 'dir' in basenames
-        assert 'file.txt' in basenames
-        assert 'somedir' in basenames
+        assert "dir" in basenames
+        assert "file.txt" in basenames
+        assert "somedir" in basenames
 
     def test_hrsync_one_host(self, mysetup):
         source, dest = mysetup.source, mysetup.dest
@@ -169,7 +169,8 @@ class TestNodeManager:
         nodemanager.makegateways()
         nodemanager.rsync_roots()
         p, = nodemanager.gwmanager.multi_exec(
-            "import os ; channel.send(os.getcwd())").receive_each()
+            "import os ; channel.send(os.getcwd())"
+        ).receive_each()
         p = py.path.local(p)
         print("remote curdir", p)
         assert p == mysetup.dest.join(config.topdir.basename)
@@ -183,15 +184,17 @@ class TestNodeManager:
         dir2.ensure("hello")
         for rsyncroot in (dir1, source):
             dest.remove()
-            nodemanager = NodeManager(testdir.parseconfig(
-                "--tx", "popen//chdir=%s" % dest, "--rsyncdir", rsyncroot,
-                source, ))
+            nodemanager = NodeManager(
+                testdir.parseconfig(
+                    "--tx", "popen//chdir=%s" % dest, "--rsyncdir", rsyncroot, source
+                )
+            )
             nodemanager.setup_nodes(None)  # calls .rsync_roots()
             if rsyncroot == source:
                 dest = dest.join("source")
             assert dest.join("dir1").check()
             assert dest.join("dir1", "dir2").check()
-            assert dest.join("dir1", "dir2", 'hello').check()
+            assert dest.join("dir1", "dir2", "hello").check()
             nodemanager.teardown_nodes()
 
     def test_init_rsync_roots(self, testdir, mysetup, workercontroller):
@@ -200,10 +203,14 @@ class TestNodeManager:
         source.ensure("dir1", "somefile", dir=1)
         dir2.ensure("hello")
         source.ensure("bogusdir", "file")
-        source.join("tox.ini").write(textwrap.dedent("""
+        source.join("tox.ini").write(
+            textwrap.dedent(
+                """
             [pytest]
             rsyncdirs=dir1/dir2
-        """))
+        """
+            )
+        )
         config = testdir.parseconfig(source)
         nodemanager = NodeManager(config, ["popen//chdir=%s" % dest])
         nodemanager.setup_nodes(None)  # calls .rsync_roots()
@@ -219,27 +226,31 @@ class TestNodeManager:
         dir2.ensure("hello")
         source.ensure("foo", "bar")
         source.ensure("bar", "foo")
-        source.join("tox.ini").write(textwrap.dedent("""
+        source.join("tox.ini").write(
+            textwrap.dedent(
+                """
             [pytest]
             rsyncdirs = dir1 dir5
             rsyncignore = dir1/dir2 dir5/dir6 foo*
-        """))
+        """
+            )
+        )
         config = testdir.parseconfig(source)
-        config.option.rsyncignore = ['bar']
+        config.option.rsyncignore = ["bar"]
         nodemanager = NodeManager(config, ["popen//chdir=%s" % dest])
         nodemanager.setup_nodes(None)  # calls .rsync_roots()
         assert dest.join("dir1").check()
         assert not dest.join("dir1", "dir2").check()
         assert dest.join("dir5", "file").check()
         assert not dest.join("dir6").check()
-        assert not dest.join('foo').check()
-        assert not dest.join('bar').check()
+        assert not dest.join("foo").check()
+        assert not dest.join("bar").check()
 
     def test_optimise_popen(self, testdir, mysetup, workercontroller):
         source = mysetup.source
         specs = ["popen"] * 3
         source.join("conftest.py").write("rsyncdirs = ['a']")
-        source.ensure('a', dir=1)
+        source.ensure("a", dir=1)
         config = testdir.parseconfig(source)
         nodemanager = NodeManager(config, specs)
         nodemanager.setup_nodes(None)  # calls .rysnc_roots()
@@ -248,12 +259,15 @@ class TestNodeManager:
             assert not gwspec.chdir
 
     def test_ssh_setup_nodes(self, specssh, testdir):
-        testdir.makepyfile(__init__="",
-                           test_x="""
+        testdir.makepyfile(
+            __init__="",
+            test_x="""
             def test_one():
                 pass
-        """)
-        reprec = testdir.inline_run("-d", "--rsyncdir=%s" % testdir.tmpdir,
-                                    "--tx", specssh, testdir.tmpdir)
+        """,
+        )
+        reprec = testdir.inline_run(
+            "-d", "--rsyncdir=%s" % testdir.tmpdir, "--tx", specssh, testdir.tmpdir
+        )
         rep, = reprec.getreports("pytest_runtest_logreport")
         assert rep.passed