93 lines
2.6 KiB
Python
93 lines
2.6 KiB
Python
import os, sys
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import py
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from py.__.misc.simplecapture import SimpleOutErrCapture, callcapture
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from py.__.misc.capture import Capture, FDCapture
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class TestFDCapture:
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def test_basic(self):
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tmpfile = py.std.os.tmpfile()
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fd = tmpfile.fileno()
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cap = FDCapture(fd)
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os.write(fd, "hello")
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f = cap.done()
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s = f.read()
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assert s == "hello"
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def test_stderr(self):
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cap = FDCapture(2, 'stderr')
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print >>sys.stderr, "hello"
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f = cap.done()
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s = f.read()
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assert s == "hello\n"
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class TestCapturingOnSys:
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def getcapture(self):
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return SimpleOutErrCapture()
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def test_capturing_simple(self):
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cap = self.getcapture()
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print "hello world"
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print >>sys.stderr, "hello error"
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out, err = cap.reset()
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assert out == "hello world\n"
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assert err == "hello error\n"
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def test_capturing_twice_error(self):
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cap = self.getcapture()
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print "hello"
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cap.reset()
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py.test.raises(AttributeError, "cap.reset()")
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def test_capturing_modify_sysouterr_in_between(self):
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oldout = sys.stdout
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olderr = sys.stderr
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cap = self.getcapture()
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print "hello",
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print >>sys.stderr, "world",
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sys.stdout = py.std.StringIO.StringIO()
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sys.stderr = py.std.StringIO.StringIO()
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print "not seen"
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print >>sys.stderr, "not seen"
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out, err = cap.reset()
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assert out == "hello"
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assert err == "world"
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assert sys.stdout == oldout
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assert sys.stderr == olderr
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def test_capturing_error_recursive(self):
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cap1 = self.getcapture()
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print "cap1"
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cap2 = self.getcapture()
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print "cap2"
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out2, err2 = cap2.reset()
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py.test.raises(AttributeError, "cap2.reset()")
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out1, err1 = cap1.reset()
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assert out1 == "cap1\n"
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assert out2 == "cap2\n"
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def test_reading_stdin_while_captured_doesnt_hang(self):
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cap = self.getcapture()
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try:
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py.test.raises(IOError, raw_input)
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finally:
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cap.reset()
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def test_callcapture():
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def func(x, y):
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print x
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print >>py.std.sys.stderr, y
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return 42
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res, out, err = callcapture(func, 3, y=4)
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assert res == 42
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assert out.startswith("3")
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assert err.startswith("4")
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class TestCapturingOnFDs(TestCapturingOnSys):
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def test_reading_stdin_while_captured_doesnt_hang(self):
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py.test.skip("Hangs in py.test --session=R")
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def getcapture(self):
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return Capture()
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