sources for test_fdcapture.py [rev. unknown]

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import os, sys

import py

class TestFDCapture:

    def test_basic(self):

        tmpfile = py.std.os.tmpfile()

        fd = tmpfile.fileno()

        cap = py.io.FDCapture(fd)

        os.write(fd, "hello")

        f = cap.done()

        s = f.read()

        assert s == "hello"

    def test_stderr(self):

        cap = py.io.FDCapture(2)

        cap.setasfile('stderr')

        print >>sys.stderr, "hello"

        f = cap.done()

        s = f.read()

        assert s == "hello\n"

    def test_stdin(self):

        f = os.tmpfile()

        print >>f, "3"

        f.seek(0)

        cap = py.io.FDCapture(0, tmpfile=f)

        # check with os.read() directly instead of raw_input(), because

        # sys.stdin itself may be redirected (as py.test now does by default)

        x = os.read(0, 100).strip()

        f = cap.done()

        assert x == "3"

    def test_writeorg(self):

        tmppath = py.test.ensuretemp('test_writeorg').ensure('stderr',

                                                             file=True)

        tmpfp = tmppath.open('w+b')

        try:

            cap = py.io.FDCapture(tmpfp.fileno())

            print >>tmpfp, 'foo'

            cap.writeorg('bar\n')

        finally:

            tmpfp.close()

        f = cap.done()

        scap = f.read()

        assert scap == 'foo\n'

        stmp = tmppath.read()

        assert stmp == "bar\n"

    def test_writeorg_wrongtype(self):

        tmppath = py.test.ensuretemp('test_writeorg').ensure('stdout',

                                                             file=True)

        tmpfp = tmppath.open('r')

        try:

            cap = py.io.FDCapture(tmpfp.fileno())

            py.test.raises(IOError, "cap.writeorg('bar\\n')")

        finally:

            tmpfp.close()

        f = cap.done()