130 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Python
		
	
	
	
import os, sys
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import py
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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 = py.io.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 = py.io.FDCapture(2)
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        cap.setasfile('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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    def test_stdin(self): 
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        f = os.tmpfile()
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        print >>f, "3"
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        f.seek(0)
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        cap = py.io.FDCapture(0, tmpfile=f)
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        # check with os.read() directly instead of raw_input(), because
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        # sys.stdin itself may be redirected (as py.test now does by default)
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        x = os.read(0, 100).strip()
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        f = cap.done()
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        assert x == "3"
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class TestCapturing: 
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    def getcapture(self): 
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        return py.io.OutErrCapture()
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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(EnvironmentError, "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(EnvironmentError, "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_intermingling(self): 
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        cap = self.getcapture()
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        os.write(1, "1")
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        print >>sys.stdout, 2,
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        os.write(1, "3")
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        os.write(2, "a")
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        print >>sys.stderr, "b",
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        os.write(2, "c")
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        out, err = cap.reset()
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        assert out == "123" 
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        assert err == "abc" 
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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 = py.io.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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def test_just_out_capture(): 
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    cap = py.io.OutErrCapture(out=True, err=False)
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    print >>sys.stdout, "hello"
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    print >>sys.stderr, "world"
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    out, err = cap.reset()
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    assert out == "hello\n"
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    assert not err 
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def test_just_err_capture(): 
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    cap = py.io.OutErrCapture(out=False, err=True)
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    print >>sys.stdout, "hello"
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    print >>sys.stderr, "world"
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    out, err = cap.reset()
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    assert err == "world\n"
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    assert not out 
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def test_capture_no_sys(): 
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    cap = py.io.OutErrCapture(patchsys=False)
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    print >>sys.stdout, "hello"
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    print >>sys.stderr, "world"
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    os.write(1, "1")
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    os.write(2, "2")
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    out, err = cap.reset()
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    assert out == "1"
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    assert err == "2"
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#class TestCapturingOnFDs(TestCapturingOnSys):
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#    def getcapture(self): 
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#        return Capture() 
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