import os
import unittest

from hgext import rebase
from mercurial import ui
from mercurial import hg
from mercurial import revlog
from mercurial import context
from mercurial import node
from mercurial import commands

from hgsubversion import util
from hgsubversion import utility_commands
import test_util
from hgsubversion import wrappers

expected_info_output = '''URL: %(repourl)s/%(branch)s
Repository Root: %(repourl)s
Repository UUID: df2126f7-00ab-4d49-b42c-7e981dde0bcf
Revision: %(rev)s
Node Kind: directory
Last Changed Author: durin
Last Changed Rev: %(rev)s
Last Changed Date: %(date)s
'''

class UtilityTests(test_util.TestBase):
    @property
    def repourl(self):
        return util.normalize_url(test_util.fileurl(self.repo_path))

    def test_info_output(self):
        self._load_fixture_and_fetch('two_heads.svndump')
        hg.update(self.repo, 'the_branch')
        u = ui.ui()
        u.pushbuffer()
        utility_commands.info(u, self.repo, self.wc_path)
        actual = u.popbuffer()
        expected = (expected_info_output %
                    {'date': '2008-10-08 01:39:05 +0000 (Wed, 08 Oct 2008)',
                     'repourl': self.repourl,
                     'branch': 'branches/the_branch',
                     'rev': 5,
                     })
        self.assertEqual(actual, expected)
        hg.update(self.repo, 'default')
        u.pushbuffer()
        utility_commands.info(u, self.repo, self.wc_path)
        actual = u.popbuffer()
        expected = (expected_info_output %
                    {'date': '2008-10-08 01:39:29 +0000 (Wed, 08 Oct 2008)',
                     'repourl': self.repourl,
                     'branch': 'trunk',
                     'rev': 6,
                     })
        self.assertEqual(actual, expected)
        hg.update(self.repo, 'default')
        u.pushbuffer()
        utility_commands.info(u, self.repo, self.wc_path, rev=3)
        actual = u.popbuffer()
        expected = (expected_info_output %
                    {'date': '2008-10-08 01:39:05 +0000 (Wed, 08 Oct 2008)',
                     'repourl': self.repourl,
                     'branch': 'branches/the_branch',
                     'rev': 5,
                     })
        self.assertEqual(actual, expected)

    def test_info_single(self):
        self._load_fixture_and_fetch('two_heads.svndump', subdir='trunk')
        hg.update(self.repo, 'tip')
        u = ui.ui()
        u.pushbuffer()
        utility_commands.info(u, self.repo, self.wc_path)
        actual = u.popbuffer()
        expected = (expected_info_output %
                    {'date': '2008-10-08 01:39:29 +0000 (Wed, 08 Oct 2008)',
                     'repourl': self.repourl,
                     'branch': 'trunk',
                     'rev': 6,
                     })
        self.assertStringEqual(expected, actual)

    def test_parent_output(self):
        self._load_fixture_and_fetch('two_heads.svndump')
        u = ui.ui()
        u.pushbuffer()
        parents = (self.repo['the_branch'].node(), revlog.nullid, )
        def filectxfn(repo, memctx, path):
            return context.memfilectx(path=path,
                                      data='added',
                                      islink=False,
                                      isexec=False,
                                      copied=False)
        ctx = context.memctx(self.repo,
                             parents,
                             'automated test',
                             ['added_bogus_file', 'other_added_file', ],
                             filectxfn,
                             'testy',
                             '2008-12-21 16:32:00 -0500',
                             {'branch': 'localbranch', })
        new = self.repo.commitctx(ctx)
        hg.update(self.repo, new)
        wrappers.parents(lambda x, y: None, u, self.repo, svn=True)
        actual = u.popbuffer()
        self.assertEqual(actual,
                         'changeset:   3:4e256962fc5d\n'
                         'branch:      the_branch\n'
                         'user:        durin@df2126f7-00ab-4d49-b42c-7e981dde0bcf\n'
                         'date:        Wed Oct 08 01:39:05 2008 +0000\n'
                         'summary:     add delta on the branch\n\n')

        hg.update(self.repo, 'default')
        # Make sure styles work
        u.pushbuffer()
        wrappers.parents(lambda x, y: None, u, self.repo, svn=True, style='compact')
        actual = u.popbuffer()
        self.assertEqual(actual,
                         '4:1   1083037b18d8   2008-10-08 01:39 +0000   durin\n'
                         '  Add gamma on trunk.\n\n')
        # custom templates too
        u.pushbuffer()
        wrappers.parents(lambda x, y: None, u, self.repo, svn=True, template='{node}\n')
        actual = u.popbuffer()
        self.assertEqual(actual, '1083037b18d85cd84fa211c5adbaeff0fea2cd9f\n')

        u.pushbuffer()
        wrappers.parents(lambda x, y: None, u, self.repo, svn=True)
        actual = u.popbuffer()
        self.assertEqual(actual,
                         'changeset:   4:1083037b18d8\n'
                         'parent:      1:c95251e0dd04\n'
                         'user:        durin@df2126f7-00ab-4d49-b42c-7e981dde0bcf\n'
                         'date:        Wed Oct 08 01:39:29 2008 +0000\n'
                         'summary:     Add gamma on trunk.\n\n')

    def test_outgoing_output(self):
        self._load_fixture_and_fetch('two_heads.svndump')
        u = ui.ui()
        parents = (self.repo['the_branch'].node(), revlog.nullid, )
        def filectxfn(repo, memctx, path):
            return context.memfilectx(path=path,
                                      data='added',
                                      islink=False,
                                      isexec=False,
                                      copied=False)
        ctx = context.memctx(self.repo,
                             parents,
                             'automated test',
                             ['added_bogus_file', 'other_added_file', ],
                             filectxfn,
                             'testy',
                             '2008-12-21 16:32:00 -0500',
                             {'branch': 'localbranch', })
        new = self.repo.commitctx(ctx)
        hg.update(self.repo, new)
        u.pushbuffer()
        commands.outgoing(u, self.repo, self.repourl)
        actual = u.popbuffer()
        u.write(actual)
        self.assertTrue(node.hex(self.repo['localbranch'].node())[:8] in actual)
        actual = actual.splitlines()
        self.assertEqual(actual[0], 'comparing with ' + self.repourl)
        self.assertEqual(actual[1], 'changeset:   5:6de15430fa20')
        self.assertEqual(actual[2], 'branch:      localbranch')
        self.assertEqual(actual[3], 'tag:         tip')
        self.assertEqual(actual[4], 'parent:      3:4e256962fc5d')
        self.assertEqual(actual[5], 'user:        testy')
        self.assertEqual(actual[6], 'date:        Sun Dec 21 16:32:00 2008 -0500')
        self.assertEqual(actual[7], 'summary:     automated test')
        hg.update(self.repo, 'default')
        u.pushbuffer()
        commands.outgoing(u, self.repo, self.repourl)
        actual = u.popbuffer()
        u.write(actual)
        self.assertEqual(actual.splitlines()[1], 'no changes found')

    def test_rebase(self):
        self._load_fixture_and_fetch('two_revs.svndump')
        parents = (self.repo[0].node(), revlog.nullid, )
        def filectxfn(repo, memctx, path):
            return context.memfilectx(path=path,
                                      data='added',
                                      islink=False,
                                      isexec=False,
                                      copied=False)
        ctx = context.memctx(self.repo,
                             parents,
                             'automated test',
                             ['added_bogus_file', 'other_added_file', ],
                             filectxfn,
                             'testy',
                             '2008-12-21 16:32:00 -0500',
                             {'branch': 'localbranch', })
        self.repo.commitctx(ctx)
        self.assertEqual(self.repo['tip'].branch(), 'localbranch')
        beforerebasehash = self.repo['tip'].node()
        hg.update(self.repo, 'tip')
        wrappers.rebase(rebase.rebase, ui.ui(), self.repo, svn=True)
        self.assertEqual(self.repo['tip'].branch(), 'localbranch')
        self.assertEqual(self.repo['tip'].parents()[0].parents()[0], self.repo[0])
        self.assertNotEqual(beforerebasehash, self.repo['tip'].node())

    def test_genignore(self):
        """ Test generation of .hgignore file. """
        test_util.load_fixture_and_fetch('ignores.svndump', self.repo_path,
                                         self.wc_path, noupdate=False)
        u = ui.ui()
        u.pushbuffer()
        utility_commands.genignore(u, self.repo, self.wc_path)
        self.assertEqual(open(os.path.join(self.wc_path, '.hgignore')).read(),
                         '.hgignore\nsyntax:glob\nblah\notherblah\nbaz/magic\n')

    def test_list_authors(self):
        test_util.load_svndump_fixture(self.repo_path,
                                       'replace_trunk_with_branch.svndump')
        u = ui.ui()
        u.pushbuffer()
        utility_commands.listauthors(u,
                                     args=[test_util.fileurl(self.repo_path)],
                                     authors=None)
        actual = u.popbuffer()
        self.assertEqual(actual, 'Augie\nevil\n')


    def test_list_authors_map(self):
        test_util.load_svndump_fixture(self.repo_path,
                                       'replace_trunk_with_branch.svndump')
        author_path = os.path.join(self.repo_path, 'authors')
        utility_commands.listauthors(ui.ui(),
                                     args=[test_util.fileurl(self.repo_path)],
                                     authors=author_path)
        self.assertEqual(open(author_path).read(), 'Augie=\nevil=\n')


def suite():
    all = [unittest.TestLoader().loadTestsFromTestCase(UtilityTests),
          ]
    return unittest.TestSuite(all)