#!/usr/bin/python
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
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# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
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# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.

import unittest
import os
import shutil
import sys
import tempfile
import pkg.pkgsubprocess as subprocess
import pkg.fmri as fmri
import pkg.client.image as image
import pkg.portable.util as util
import pkg.portable as portable

# Set the path so that modules above can be found
path_to_parent = os.path.join(os.path.dirname(__file__), "..")
sys.path.insert(0, path_to_parent)
import pkg5unittest

class TestPlat(pkg5unittest.Pkg5TestCase):
        def setUp(self):
                pass
                
        def testbasic(self):
                portable.get_isainfo()
                portable.get_release()
                portable.get_platform()


        def testAdmin(self):
                if os.name == 'posix' and os.getuid() == 0:
                        self.assert_(portable.is_admin())
                if os.name == 'posix' and os.getuid() != 0:
                        self.assert_(not portable.is_admin())

        def testUtils(self):
                self.assertNotEqual("unknown", util.get_canonical_os_type())
                self.assertNotEqual("unknown", util.get_canonical_os_name())

        def testRelease(self):
                rel = util.get_os_release()
                # make sure it can be used in an fmri
                test_fmri = fmri.PkgFmri("testpkg", build_release = rel)

        def testForcibleRename(self):
                # rename a file on top of another file which already exists
                (fd1, path1) = tempfile.mkstemp()
                os.write(fd1, "foo")
                (fd2, path2) = tempfile.mkstemp()
                os.write(fd2, "bar")
                os.close(fd1)
                os.close(fd2)
                portable.rename(path1, path2)
                self.failIf(os.path.exists(path1))
                self.failUnless(os.path.exists(path2))
                fd2 = os.open(path2, os.O_RDONLY)
                self.assertEquals(os.read(fd2, 3), "foo")
                os.close(fd2)
                os.unlink(path2)

        def testRenameOfRunningExecutable(self):
                if util.get_canonical_os_type() != 'windows':
                        return
                import pkg.portable.os_windows as os_windows
                cwd = os.getcwdu()
                exefilesrc = 'C:\\Windows\\system32\\more.com'
                self.assert_(os.path.exists(exefilesrc))

                # create an image, copy an executable into it, 
                # run the executable, replace the executable
                tdir1 = tempfile.mkdtemp()
                img1 = image.Image(tdir1, imgtype=image.IMG_USER,
                    should_exist=False)
                img1.history.client_name = "pkg-test"
                img1.set_attrs(False, "test",
                    origins=["http://localhost:10000"], refresh_allowed=False)
                exefile = os.path.join(tdir1, 'less.com')
                shutil.copyfile(exefilesrc, exefile)
                proc = subprocess.Popen([exefile], stdin = subprocess.PIPE)
                self.assertRaises(OSError, os.unlink, exefile)
                fd1, path1 = tempfile.mkstemp(dir = tdir1)
                os.write(fd1, "foo")
                os.close(fd1)
                portable.rename(path1, exefile)
                fd2 = os.open(exefile, os.O_RDONLY)
                self.assertEquals(os.read(fd2, 3), "foo")
                os.close(fd2)
                proc.communicate()

                # Make sure that the moved executable gets deleted
                # This is a white-box test
                # To simulate running another process, we delete the cache
                # and call get_trashdir as if another file was being moved
                # to the trash.
                os_windows.cached_image_info = []
                os_windows.get_trashdir(exefile)
                self.assert_(not os.path.exists(os.path.join(img1.imgdir, 
                    os_windows.trashname)))

                # cleanup
                os.chdir(cwd)
                shutil.rmtree(tdir1)

        def testRemoveOfRunningExecutable(self):
                if util.get_canonical_os_type() != 'windows':
                        return
                import pkg.portable.os_windows as os_windows
                cwd = os.getcwdu()
                exefilesrc = 'C:\\Windows\\system32\\more.com'
                self.assert_(os.path.exists(exefilesrc))

                # create an image, copy an executable into it, 
                # run the executable, remove the executable
                tdir1 = tempfile.mkdtemp()
                img1 = image.Image(tdir1, imgtype=image.IMG_USER,
                    should_exist=False)
                img1.history.client_name = "pkg-test"
                img1.set_attrs(False, "test",
                    origins=["http://localhost:10000"], refresh_allowed=False)
                exefile = os.path.join(tdir1, 'less.com')
                shutil.copyfile(exefilesrc, exefile)
                proc = subprocess.Popen([exefile], stdin = subprocess.PIPE)
                self.assertRaises(OSError, os.unlink, exefile)
                portable.remove(exefile)
                self.assert_(not os.path.exists(exefile))
                proc.communicate()

                # Make sure that the moved executable gets deleted
                # This is a white-box test
                # To simulate running another process, we delete the cache
                # and call get_trashdir as if another file was being moved
                # to the trash.
                os_windows.cached_image_info = []
                os_windows.get_trashdir(exefile)
                self.assert_(not os.path.exists(os.path.join(img1.imgdir,
                    os_windows.trashname)))

                # cleanup
                os.chdir(cwd)
                shutil.rmtree(tdir1)
            
if __name__ == "__main__":
        unittest.main()