352 lines
11 KiB
Python
352 lines
11 KiB
Python
import py, os, sys
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from py.__.test.plugin.pytest_capture import CaptureManager, ustream
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class TestCaptureManager:
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def test_configure_per_fspath(self, testdir):
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config = testdir.parseconfig(testdir.tmpdir)
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assert config.getvalue("capture") is None
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capman = CaptureManager()
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assert capman._getmethod(config, None) == "fd" # default
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for name in ('no', 'fd', 'sys'):
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sub = testdir.tmpdir.mkdir("dir" + name)
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sub.ensure("__init__.py")
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sub.join("conftest.py").write('conf_capture = %r' % name)
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assert capman._getmethod(config, sub.join("test_hello.py")) == name
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@py.test.mark.multi(method=['no', 'fd', 'sys'])
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def test_capturing_basic_api(self, method):
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capouter = py.io.StdCaptureFD()
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old = sys.stdout, sys.stderr, sys.stdin
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try:
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capman = CaptureManager()
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capman.resumecapture(method)
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print "hello"
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out, err = capman.suspendcapture()
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if method == "no":
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assert old == (sys.stdout, sys.stderr, sys.stdin)
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else:
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assert out == "hello\n"
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capman.resumecapture(method)
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out, err = capman.suspendcapture()
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assert not out and not err
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finally:
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capouter.reset()
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def test_juggle_capturings(self, testdir):
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capouter = py.io.StdCaptureFD()
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try:
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config = testdir.parseconfig(testdir.tmpdir)
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capman = CaptureManager()
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capman.resumecapture("fd")
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py.test.raises(ValueError, 'capman.resumecapture("fd")')
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py.test.raises(ValueError, 'capman.resumecapture("sys")')
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os.write(1, "hello\n")
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out, err = capman.suspendcapture()
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assert out == "hello\n"
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capman.resumecapture("sys")
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os.write(1, "hello\n")
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print >>sys.stderr, "world"
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out, err = capman.suspendcapture()
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assert not out
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assert err == "world\n"
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finally:
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capouter.reset()
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@py.test.mark.multi(method=['fd', 'sys'])
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def test_capturing_unicode(testdir, method):
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testdir.makepyfile("""
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# taken from issue 227 from nosests
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def test_unicode():
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import sys
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print sys.stdout
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print u'b\\u00f6y'
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""")
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result = testdir.runpytest("--capture=%s" % method)
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result.stdout.fnmatch_lines([
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"*1 passed*"
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])
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def test_ustream_helper(testdir):
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p = testdir.makepyfile("hello")
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f = p.open('w')
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#f.encoding = "utf8"
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x = ustream(f)
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x.write(u'b\\00f6y')
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x.close()
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def test_collect_capturing(testdir):
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p = testdir.makepyfile("""
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print "collect %s failure" % 13
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import xyz42123
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""")
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result = testdir.runpytest(p)
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result.stdout.fnmatch_lines([
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"*Captured stdout*",
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"*collect 13 failure*",
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])
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class TestPerTestCapturing:
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def test_capture_and_fixtures(self, testdir):
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p = testdir.makepyfile("""
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def setup_module(mod):
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print "setup module"
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def setup_function(function):
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print "setup", function.__name__
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def test_func1():
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print "in func1"
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assert 0
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def test_func2():
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print "in func2"
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assert 0
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""")
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result = testdir.runpytest(p)
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result.stdout.fnmatch_lines([
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"setup module*",
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"setup test_func1*",
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"in func1*",
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"setup test_func2*",
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"in func2*",
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])
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@py.test.mark.xfail
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def test_capture_scope_cache(self, testdir):
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p = testdir.makepyfile("""
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import sys
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def setup_module(func):
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print "module-setup"
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def setup_function(func):
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print "function-setup"
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def test_func():
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print "in function"
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assert 0
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def teardown_function(func):
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print "in teardown"
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""")
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result = testdir.runpytest(p)
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result.stdout.fnmatch_lines([
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"*test_func():*",
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"*Captured stdout during setup*",
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"module-setup*",
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"function-setup*",
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"*Captured stdout*",
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"in teardown*",
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])
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def test_no_carry_over(self, testdir):
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p = testdir.makepyfile("""
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def test_func1():
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print "in func1"
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def test_func2():
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print "in func2"
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assert 0
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""")
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result = testdir.runpytest(p)
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s = result.stdout.str()
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assert "in func1" not in s
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assert "in func2" in s
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def test_teardown_capturing(self, testdir):
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p = testdir.makepyfile("""
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def setup_function(function):
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print "setup func1"
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def teardown_function(function):
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print "teardown func1"
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assert 0
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def test_func1():
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print "in func1"
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pass
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""")
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result = testdir.runpytest(p)
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assert result.stdout.fnmatch_lines([
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'*teardown_function*',
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'*Captured stdout*',
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"setup func1*",
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"in func1*",
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"teardown func1*",
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#"*1 fixture failure*"
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])
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def test_teardown_final_capturing(self, testdir):
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p = testdir.makepyfile("""
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def teardown_module(mod):
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print "teardown module"
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assert 0
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def test_func():
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pass
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""")
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result = testdir.runpytest(p)
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assert result.stdout.fnmatch_lines([
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"*def teardown_module(mod):*",
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"*Captured stdout*",
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"*teardown module*",
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"*1 error*",
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])
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def test_capturing_outerr(self, testdir):
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p1 = testdir.makepyfile("""
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import sys
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def test_capturing():
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print 42
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print >>sys.stderr, 23
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def test_capturing_error():
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print 1
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print >>sys.stderr, 2
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raise ValueError
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""")
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result = testdir.runpytest(p1)
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result.stdout.fnmatch_lines([
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"*test_capturing_outerr.py .F",
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"====* FAILURES *====",
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"____*____",
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"*test_capturing_outerr.py:8: ValueError",
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"*--- Captured stdout ---*",
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"1",
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"*--- Captured stderr ---*",
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"2",
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])
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class TestLoggingInteraction:
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def test_logging_stream_ownership(self, testdir):
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p = testdir.makepyfile("""
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def test_logging():
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import logging
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import StringIO
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stream = StringIO.StringIO()
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logging.basicConfig(stream=stream)
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stream.close() # to free memory/release resources
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""")
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result = testdir.runpytest(p)
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result.stderr.str().find("atexit") == -1
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def test_capturing_and_logging_fundamentals(self, testdir):
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# here we check a fundamental feature
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rootdir = str(py.path.local(py.__file__).dirpath().dirpath())
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p = testdir.makepyfile("""
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import sys
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sys.path.insert(0, %r)
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import py, logging
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cap = py.io.StdCaptureFD(out=False, in_=False)
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logging.warn("hello1")
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outerr = cap.suspend()
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print "suspeneded and captured", outerr
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logging.warn("hello2")
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cap.resume()
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logging.warn("hello3")
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outerr = cap.suspend()
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print "suspend2 and captured", outerr
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""" % rootdir)
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result = testdir.runpython(p)
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assert result.stdout.fnmatch_lines([
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"suspeneded and captured*hello1*",
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"suspend2 and captured*hello2*WARNING:root:hello3*",
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])
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assert "atexit" not in result.stderr.str()
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def test_logging_and_immediate_setupteardown(self, testdir):
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p = testdir.makepyfile("""
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import logging
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def setup_function(function):
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logging.warn("hello1")
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def test_logging():
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logging.warn("hello2")
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assert 0
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def teardown_function(function):
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logging.warn("hello3")
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assert 0
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""")
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for optargs in (('--capture=sys',), ('--capture=fd',)):
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print optargs
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result = testdir.runpytest(p, *optargs)
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s = result.stdout.str()
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result.stdout.fnmatch_lines([
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"*WARN*hello3", # errors show first!
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"*WARN*hello1",
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"*WARN*hello2",
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])
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# verify proper termination
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assert "closed" not in s
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def test_logging_and_crossscope_fixtures(self, testdir):
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p = testdir.makepyfile("""
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import logging
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def setup_module(function):
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logging.warn("hello1")
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def test_logging():
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logging.warn("hello2")
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assert 0
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def teardown_module(function):
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logging.warn("hello3")
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assert 0
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""")
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for optargs in (('--capture=sys',), ('--capture=fd',)):
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print optargs
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result = testdir.runpytest(p, *optargs)
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s = result.stdout.str()
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result.stdout.fnmatch_lines([
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"*WARN*hello3", # errors come first
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"*WARN*hello1",
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"*WARN*hello2",
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])
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# verify proper termination
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assert "closed" not in s
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class TestCaptureFuncarg:
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def test_std_functional(self, testdir):
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reprec = testdir.inline_runsource("""
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def test_hello(capsys):
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print 42
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out, err = capsys.readouterr()
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assert out.startswith("42")
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""")
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reprec.assertoutcome(passed=1)
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def test_stdfd_functional(self, testdir):
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reprec = testdir.inline_runsource("""
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def test_hello(capfd):
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import os
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os.write(1, "42")
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out, err = capfd.readouterr()
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assert out.startswith("42")
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capfd.close()
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""")
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reprec.assertoutcome(passed=1)
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def test_partial_setup_failure(self, testdir):
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p = testdir.makepyfile("""
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def test_hello(capfd, missingarg):
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pass
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""")
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result = testdir.runpytest(p)
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assert result.stdout.fnmatch_lines([
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"*test_partial_setup_failure*",
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"*1 error*",
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])
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def test_keyboardinterrupt_disables_capturing(self, testdir):
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p = testdir.makepyfile("""
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def test_hello(capfd):
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import os
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os.write(1, "42")
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raise KeyboardInterrupt()
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""")
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result = testdir.runpytest(p)
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result.stdout.fnmatch_lines([
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"*KEYBOARD INTERRUPT*"
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])
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assert result.ret == 2
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