dak/tests/dbtest_contents.py

#!/usr/bin/env python

from db_test import DBDakTestCase, fixture

from daklib.dbconn import *
from daklib.contents import BinaryContentsWriter, BinaryContentsScanner, \
    UnpackedSource, SourceContentsScanner, SourceContentsWriter

from os.path import normpath
from sqlalchemy.exc import FlushError, IntegrityError
from subprocess import CalledProcessError
import unittest

class ContentsTestCase(DBDakTestCase):
    """
    This TestCase checks the behaviour of contents generation.
    """

    def test_duplicates1(self):
        '''
        Test the BinContents class for duplication problems.
        '''
        self.setup_binaries()
        contents1 = BinContents(file = 'usr/bin/hello', \
            binary = self.binary['hello_2.2-1_i386'])
        self.session.add(contents1)
        self.session.flush()
        # test duplicates
        contents2 = BinContents(file = 'usr/bin/hello', \
            binary = self.binary['hello_2.2-1_i386'])
        self.session.add(contents2)
        self.assertRaises(FlushError, self.session.flush)

    def test_duplicates2(self):
        '''
        Test the BinContents class for more duplication problems.
        '''
        self.setup_binaries()
        contents1 = BinContents(file = 'usr/bin/hello', \
            binary = self.binary['hello_2.2-1_i386'])
        self.session.add(contents1)
        contents2 = BinContents(file = 'usr/bin/gruezi', \
            binary = self.binary['hello_2.2-1_i386'])
        self.session.add(contents2)
        self.session.flush()
        # test duplicates
        contents2.file = 'usr/bin/hello'
        self.assertRaises(IntegrityError, self.session.flush)

    def test_duplicates3(self):
        '''
        Test the BinContents class even more.
        '''
        self.setup_binaries()
        contents1 = BinContents(file = 'usr/bin/hello', \
            binary = self.binary['hello_2.2-1_i386'])
        self.session.add(contents1)
        # same file in different binary packages should be okay
        contents2 = BinContents(file = 'usr/bin/hello', \
            binary = self.binary['gnome-hello_2.2-1_i386'])
        self.session.add(contents2)
        self.session.flush()

    def test_overridetype(self):
        '''
        Test the OverrideType class.
        '''
        self.setup_overridetypes()
        self.assertEqual('deb', self.otype['deb'].overridetype)
        self.assertEqual(0, self.otype['deb'].overrides.count())
        self.assertEqual(self.otype['deb'], get_override_type('deb', self.session))

    def test_section(self):
        '''
        Test Section class.
        '''
        self.setup_sections()
        self.assertEqual('python', self.section['python'].section)
        self.assertEqual('python', self.section['python'])
        self.assertTrue(self.section['python'] != 'java')
        self.assertEqual(self.section['python'], get_section('python', self.session))
        all_sections = get_sections(self.session)
        self.assertEqual(self.section['python'].section_id, all_sections['python'])
        self.assertEqual(0, self.section['python'].overrides.count())

    def test_priority(self):
        '''
        Test Priority class.
        '''
        self.setup_priorities()
        self.assertEqual('standard', self.prio['standard'].priority)
        self.assertEqual(7, self.prio['standard'].level)
        self.assertEqual('standard', self.prio['standard'])
        self.assertTrue(self.prio['standard'] != 'extra')
        self.assertEqual(self.prio['standard'], get_priority('standard', self.session))
        all_priorities = get_priorities(self.session)
        self.assertEqual(self.prio['standard'].priority_id, all_priorities['standard'])
        self.assertEqual(0, self.prio['standard'].overrides.count())

    def test_override(self):
        '''
        Test Override class.
        '''
        self.setup_overrides()
        list = get_override('hello', session = self.session)
        self.assertEqual(3, len(list))
        self.assertTrue(self.override['hello_sid_main_udeb'] in list)
        self.assertTrue(self.override['hello_squeeze_main_deb'] in list)
        list = get_override('hello', suite = 'sid', session = self.session)
        self.assertEqual([self.override['hello_sid_main_udeb']], list)
        list = get_override('hello', suite = ['sid'], session = self.session)
        self.assertEqual([self.override['hello_sid_main_udeb']], list)
        list = get_override('hello', component = 'contrib', session = self.session)
        self.assertEqual([self.override['hello_lenny_contrib_deb']], list)
        list = get_override('hello', component = ['contrib'], session = self.session)
        self.assertEqual([self.override['hello_lenny_contrib_deb']], list)
        list = get_override('hello', overridetype = 'deb', session = self.session)
        self.assertEqual(2, len(list))
        self.assertTrue(self.override['hello_sid_main_udeb'] not in list)
        self.assertTrue(self.override['hello_squeeze_main_deb'] in list)
        list = get_override('hello', overridetype = ['deb'], session = self.session)
        self.assertEqual(2, len(list))
        self.assertTrue(self.override['hello_sid_main_udeb'] not in list)
        self.assertTrue(self.override['hello_squeeze_main_deb'] in list)
        # test the backrefs
        self.assertEqual(self.override['hello_sid_main_udeb'], \
            self.suite['sid'].overrides.one())
        self.assertEqual(2, self.comp['main'].overrides.count())
        self.assertEqual(self.override['hello_sid_main_udeb'], \
            self.comp['main'].overrides.filter_by(suite = self.suite['sid']).one())
        self.assertEqual(self.override['hello_sid_main_udeb'], \
            self.otype['udeb'].overrides.one())

    def test_binarycontentswriter(self):
        '''
        Test the BinaryContentsWriter class.
        '''
        self.setup_suites()
        self.setup_architectures()
        self.setup_overridetypes()
        self.setup_binaries()
        self.setup_overrides()
        self.binary['hello_2.2-1_i386'].contents.append(BinContents(file = '/usr/bin/hello'))
        self.session.commit()
        cw = BinaryContentsWriter(self.suite['squeeze'], self.arch['i386'], \
            self.otype['deb'], self.comp['main'])
        self.assertEqual(['/usr/bin/hello                                          python/hello\n'], \
            cw.get_list())
        # test formatline and sort order
        self.assertEqual('/usr/bin/hello                                          python/hello\n', \
            cw.formatline('/usr/bin/hello', 'python/hello'))
        # test unicode support
        self.binary['hello_2.2-1_i386'].contents.append(BinContents(file = '\xc3\xb6'))
        self.session.commit()
        # test delete cascading
        self.session.delete(self.binary['hello_2.2-1_i386'])
        self.session.commit()

    def test_binary_scan_contents(self):
        '''
        Tests the BinaryContentsScanner.
        '''
        self.setup_binaries()
        filelist = [f for f in self.binary['hello_2.2-1_i386'].scan_contents()]
        self.assertEqual(['usr/bin/hello', 'usr/share/doc/hello/copyright'],
            filelist)
        self.session.commit()
        BinaryContentsScanner(self.binary['hello_2.2-1_i386'].binary_id).scan()
        bin_contents_list = self.binary['hello_2.2-1_i386'].contents.order_by('file').all()
        self.assertEqual(2, len(bin_contents_list))
        self.assertEqual('usr/bin/hello', bin_contents_list[0].file)
        self.assertEqual('usr/share/doc/hello/copyright', bin_contents_list[1].file)

    def test_unpack(self):
        '''
        Tests the UnpackedSource class and the SourceContentsScanner.
        '''
        self.setup_sources()
        source = self.source['hello_2.2-1']
        dscfilename = fixture('ftp/pool/' + source.poolfile.filename)
        unpacked = UnpackedSource(dscfilename)
        self.assertTrue(len(unpacked.get_root_directory()) > 0)
        self.assertEqual('hello (2.2-1) unstable; urgency=low\n',
            unpacked.get_changelog_file().readline())
        all_filenames = set(unpacked.get_all_filenames())
        self.assertEqual(8, len(all_filenames))
        self.assertTrue('debian/rules' in all_filenames)
        # method scan_contents()
        self.assertEqual(all_filenames, source.scan_contents())
        # exception with invalid files
        self.assertRaises(CalledProcessError, lambda: UnpackedSource('invalidname'))
        # SourceContentsScanner
        self.session.commit()
        self.assertTrue(source.contents.count() == 0)
        SourceContentsScanner(source.source_id).scan()
        self.assertTrue(source.contents.count() > 0)

    def test_sourcecontentswriter(self):
        '''
        Test the SourceContentsWriter class.
        '''
        self.setup_sources()
        self.session.flush()
        # remove newer package from sid because it disturbs the test
        self.source['hello_2.2-2'].suites = []
        self.session.commit()
        source = self.source['hello_2.2-1']
        SourceContentsScanner(source.source_id).scan()
        cw = SourceContentsWriter(source.suites[0], source.poolfile.location.component)
        result = cw.get_list()
        self.assertEqual(8, len(result))
        self.assertTrue('debian/changelog\thello\n' in result)

    def classes_to_clean(self):
        return [Override, Suite, BinContents, DBBinary, DBSource, Architecture, Section, \
            OverrideType, Maintainer, Component, Priority, PoolFile]

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