1 files changed, 122 insertions, 0 deletions
diff --git a/tests/wpt/web-platform-tests/tools/pytest/testing/test_pytester.py b/tests/wpt/web-platform-tests/tools/pytest/testing/test_pytester.py
new file mode 100644
index 00000000000..65660afdfe3
--- /dev/null
+++ b/tests/wpt/web-platform-tests/tools/pytest/testing/test_pytester.py
@@ -0,0 +1,122 @@
+import pytest
+import os
+from _pytest.pytester import HookRecorder
+from _pytest.config import PytestPluginManager
+from _pytest.main import EXIT_OK, EXIT_TESTSFAILED
+
+
+def test_make_hook_recorder(testdir):
+    item = testdir.getitem("def test_func(): pass")
+    recorder = testdir.make_hook_recorder(item.config.pluginmanager)
+    assert not recorder.getfailures()
+
+    pytest.xfail("internal reportrecorder tests need refactoring")
+    class rep:
+        excinfo = None
+        passed = False
+        failed = True
+        skipped = False
+        when = "call"
+
+    recorder.hook.pytest_runtest_logreport(report=rep)
+    failures = recorder.getfailures()
+    assert failures == [rep]
+    failures = recorder.getfailures()
+    assert failures == [rep]
+
+    class rep:
+        excinfo = None
+        passed = False
+        failed = False
+        skipped = True
+        when = "call"
+    rep.passed = False
+    rep.skipped = True
+    recorder.hook.pytest_runtest_logreport(report=rep)
+
+    modcol = testdir.getmodulecol("")
+    rep = modcol.config.hook.pytest_make_collect_report(collector=modcol)
+    rep.passed = False
+    rep.failed = True
+    rep.skipped = False
+    recorder.hook.pytest_collectreport(report=rep)
+
+    passed, skipped, failed = recorder.listoutcomes()
+    assert not passed and skipped and failed
+
+    numpassed, numskipped, numfailed = recorder.countoutcomes()
+    assert numpassed == 0
+    assert numskipped == 1
+    assert numfailed == 1
+    assert len(recorder.getfailedcollections()) == 1
+
+    recorder.unregister()
+    recorder.clear()
+    recorder.hook.pytest_runtest_logreport(report=rep)
+    pytest.raises(ValueError, "recorder.getfailures()")
+
+
+def test_parseconfig(testdir):
+    config1 = testdir.parseconfig()
+    config2 = testdir.parseconfig()
+    assert config2 != config1
+    assert config1 != pytest.config
+
+def test_testdir_runs_with_plugin(testdir):
+    testdir.makepyfile("""
+        pytest_plugins = "pytester"
+        def test_hello(testdir):
+            assert 1
+    """)
+    result = testdir.runpytest()
+    result.assert_outcomes(passed=1)
+
+
+def make_holder():
+    class apiclass:
+        def pytest_xyz(self, arg):
+            "x"
+        def pytest_xyz_noarg(self):
+            "x"
+
+    apimod = type(os)('api')
+    def pytest_xyz(arg):
+        "x"
+    def pytest_xyz_noarg():
+        "x"
+    apimod.pytest_xyz = pytest_xyz
+    apimod.pytest_xyz_noarg = pytest_xyz_noarg
+    return apiclass, apimod
+
+
+@pytest.mark.parametrize("holder", make_holder())
+def test_hookrecorder_basic(holder):
+    pm = PytestPluginManager()
+    pm.addhooks(holder)
+    rec = HookRecorder(pm)
+    pm.hook.pytest_xyz(arg=123)
+    call = rec.popcall("pytest_xyz")
+    assert call.arg == 123
+    assert call._name == "pytest_xyz"
+    pytest.raises(pytest.fail.Exception, "rec.popcall('abc')")
+    pm.hook.pytest_xyz_noarg()
+    call = rec.popcall("pytest_xyz_noarg")
+    assert call._name == "pytest_xyz_noarg"
+
+
+def test_makepyfile_unicode(testdir):
+    global unichr
+    try:
+        unichr(65)
+    except NameError:
+        unichr = chr
+    testdir.makepyfile(unichr(0xfffd))
+
+def test_inline_run_clean_modules(testdir):
+    test_mod = testdir.makepyfile("def test_foo(): assert True")
+    result = testdir.inline_run(str(test_mod))
+    assert result.ret == EXIT_OK
+    # rewrite module, now test should fail if module was re-imported
+    test_mod.write("def test_foo(): assert False")
+    result2 = testdir.inline_run(str(test_mod))
+    assert result2.ret == EXIT_TESTSFAILED