#!/usr/bin/env python

import unittest
import os
import tarfile
import zipfile
import tempfile
import shutil

from sos.archive import TarFileArchive
from sos.utilities import tail
from sos.policies import Policy

# PYCOMPAT
import six


class TarFileArchiveTest(unittest.TestCase):

    def setUp(self):
        self.tmpdir = tempfile.mkdtemp()
        enc = {'encrypt': False}
        self.tf = TarFileArchive('test', self.tmpdir, Policy(), 1, enc, '/')

    def tearDown(self):
        shutil.rmtree(self.tmpdir)

    def check_for_file(self, filename):
        rtf = tarfile.open(os.path.join(self.tmpdir, 'test.tar'))
        rtf.getmember(filename)
        rtf.close()

    def test_create(self):
        self.tf.finalize('auto')
        self.assertTrue(os.path.exists(os.path.join(self.tmpdir,
                                                    'test.tar')))

    def test_add_file(self):
        self.tf.add_file('tests/ziptest')
        self.tf.finalize('auto')

        self.check_for_file('test/tests/ziptest')

    def test_add_node_dev_null(self):
        st = os.lstat('/dev/null')
        dev_maj = os.major(st.st_rdev)
        dev_min = os.minor(st.st_rdev)
        self.tf.add_node('/dev/null', st.st_mode, os.makedev(dev_maj, dev_min))

    # when the string comes from tail() output
    def test_add_string_from_file(self):
        self.copy_strings = []
        testfile = tempfile.NamedTemporaryFile(dir=self.tmpdir, delete=False)
        testfile.write(six.b("*" * 1000))
        testfile.flush()
        testfile.close()

        self.copy_strings.append((tail(testfile.name, 100), 'string_test.txt'))
        self.tf.add_string(self.copy_strings[0][0], 'tests/string_test.txt')
        self.tf.finalize('auto')


# Since commit 179d9bb add_file does not support recursive directory
# addition. Disable this test for now.
#    def test_add_dir(self):
#        self.tf.add_file('tests/')
#        self.tf.close()
#
#        self.check_for_file('test/tests/ziptest')

    def test_add_renamed(self):
        self.tf.add_file('tests/ziptest', dest='tests/ziptest_renamed')
        self.tf.finalize('auto')

        self.check_for_file('test/tests/ziptest_renamed')

# Since commit 179d9bb add_file does not support recursive directory
# addition. Disable this test for now.
#    def test_add_renamed_dir(self):
#        self.tf.add_file('tests/', 'tests_renamed/')
#        self.tf.close()
#
#        self.check_for_file('test/tests_renamed/ziptest')

    def test_add_string(self):
        self.tf.add_string('this is content', 'tests/string_test.txt')
        self.tf.finalize('auto')

        self.check_for_file('test/tests/string_test.txt')

    def test_get_file(self):
        self.tf.add_string('this is my content', 'tests/string_test.txt')

        afp = self.tf.open_file('tests/string_test.txt')
        self.assertEquals('this is my content', afp.read())

    def test_rewrite_file(self):
        """Test that re-writing a file with add_string() modifies the content.
        """
        self.tf.add_string('this is my content', 'tests/string_test.txt')
        self.tf.add_string('this is my new content', 'tests/string_test.txt')

        afp = self.tf.open_file('tests/string_test.txt')
        self.assertEquals('this is my new content', afp.read())

    def test_make_link(self):
        self.tf.add_file('tests/ziptest')
        self.tf.add_link('tests/ziptest', 'link_name')

        self.tf.finalize('auto')
        self.check_for_file('test/link_name')

    def test_compress(self):
        self.tf.finalize("auto")


if __name__ == "__main__":
    unittest.main()

# vim: set et ts=4 sw=4 :