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Newsgroups: comp.lang.python
Date: Fri, 24 Aug 2012 09:20:28 -0700 (PDT)
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References: <6b0299df-bc24-406b-8d69-489e990d8e4f@googlegroups.com> <roy-CDABA6.08285523082012@news.panix.com> <mailman.3724.1345742998.4697.python-list@python.org> <mailman.3728.1345748791.4697.python-list@python.org>
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Subject: Re: Unittest - testing for filenames and filesize
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Xref: csiph.com comp.lang.python:27810

Thank you guys, Roy and Terry.

I has been great help.

I still need some help. Here is the updated code:


Demostration of setUp and tearDown.
The tests do not actually test anything - this is a demo.
"""
import unittest
import tempfile
import shutil
import glob
import os

class FileTest(unittest.TestCase):
   =20
    def setUp(self):
        self.origdir =3D os.getcwd()
        self.dirname =3D tempfile.mkdtemp("testdir")
        os.chdir(self.dirname)
       =20
    def test_1(self):
        "Verify creation of files is possible"
        filenames =3D {"this.txt", "that.txt", "the_other.txt"}=20
        for filename in filenames:=20
            f =3D open(filename, "w")
            f.write("Some text\n")
            f.close()
            self.assertTrue(f.closed)
        dir_names =3D set(os.listdir('.'))=20
        self.assertEqual(set(dir_names), set(filenames))=20
           =20
    def test_2(self):
        "Verify that current directory is empty"
        self.assertEqual(glob.glob("*"), [], "Directory not empty")
   =20
    def test_3(self):
        f =3D open("test.dat", "wb")
        filesize =3D b"0"*1000000
        f.write(filesize)
        f.close()
        self.assertEqual(os.stat, filesize)
    def tearDown(self):
        os.chdir(self.origdir)
        shutil.rmtree(self.dirname

The test_3 is to test if the created binary file har the size of 1 million =
bytes. Somehow it is not working. Any suggestions?
=20
Thanks

T

kl. 21:06:29 UTC+2 torsdag 23. august 2012 skrev Roy Smith f=F8lgende:
> On Thursday, August 23, 2012 1:29:19 PM UTC-4, Terry Reedy wrote:
>=20
>=20
>=20
> > One can start with a set rather than tuple of file names.
>=20
> >          filenames =3D {"this.txt", "that.txt", "the_other.txt"}
>=20
>=20
>=20
> Yeah, that's even cleaner.  Just be aware, the set notation above is only=
 available in (IIRC), 2.7 or above.