import os.path as osp

from unittest import TestCase

from mercurialserver import ruleset

class _RuleSetBaseTC(TestCase):

    alllevels = ["init", "write", "read", "deny", "none"]

    levels = alllevels[:-1]

    def setUp(self):

        self.rs = ruleset.Ruleset()

        self.rs.buildrules(self.accessrules.splitlines())

    def check_level(self, level, **kw):

        idx = self.alllevels.index(level)

        msg = ", ".join(["%s=%s"%item for item in self.rs.preset.items()])

        msg = msg + ": "

        if idx > 0:

            prevlevel = self.levels[idx-1]

            self.assertFalse(self.rs.allow(prevlevel, **kw), msg+prevlevel)

        if level != "none":

            self.assertTrue(self.rs.allow(level, **kw), msg+level)

class RuleSetDefaultTC(_RuleSetBaseTC):

    accessrules = '''

init user=root/**

deny repo=hgadmin

write user=users/**

'''

    def test_norules(self):

        for level in self.levels:

            self.assertFalse(self.rs.allow(level), level)

    def test_root(self):

        self.rs.set(user='root/key')

        for level in self.levels:

            self.assertTrue(self.rs.allow(level), level)

    def test_user_norepo(self):

        self.rs.set(user='user/key')

        for level in self.levels:

            self.assertFalse(self.rs.allow(level), level)

    def test_user(self):

        self.rs.set(user='users/key')

        self.rs.set(repo='some/repo')

        self.check_level('write')

    def test_user_kwargs(self):

        self.check_level('write', user='users/key', repo='some/repo')

class RuleSet2TC(_RuleSetBaseTC):

    accessrules = '''

init user=root/**

deny repo=hgadmin

init user=users/toto/* repo=toto

write user=users/toto/* repo=pub/**

write user=users/w/*

write repo=allpub/**

read user=users/**

'''

    def test_hgadmin(self):

        self.rs.set(repo='hgadmin')

        self.check_level('deny', user='users/key')

        self.check_level('deny', user='key')

    def test_user(self):

        self.check_level('read', user='users/key', repo='some/repo')

    def test_repo(self):

        self.check_level('init', user='users/toto/key', repo='toto')

    def test_write(self):

        self.rs.set(repo='toto')

        self.check_level('read', user='users/w')

        self.check_level('write', user='users/w/key')

        self.rs.set(repo='pub/stuff')

        self.check_level('read', user='users/w')

        self.check_level('write', user='users/w/key')

        self.check_level('read', user='users/toto')

        self.check_level('write', user='users/toto/key')

        self.rs.set(repo='other/repo')

        self.check_level('read', user='users/toto')

        self.check_level('read', user='users/toto/key')

        self.check_level('read', user='users/w')

        self.check_level('write', user='users/w/key')

        self.rs.set(repo='allpub/repo')

        self.check_level('write', user='users/toto')

        self.check_level('write', user='users/toto/key')

        self.check_level('write', user='users/w')

        self.check_level('write', user='users/w/key')

        self.rs.set(repo='hgadmin')

        self.check_level('deny', user='users/toto')

        self.check_level('deny', user='users/toto/key')

        self.check_level('deny', user='users/w')

        self.check_level('deny', user='users/w/key')

    def test_init(self):

        self.rs.set(repo='toto')

        self.check_level('read', user='users/toto')

        self.check_level('init', user='users/toto/key')

class RuleSet3TC(_RuleSetBaseTC):

    accessrules = '''

read  user=users/w/* repo=toto

deny  user=users/w/* repo=no

write user=users/w/*

read  user=users/**

'''

    def test_user_w(self):

        self.rs.set(user='users/w/key')

        self.check_level('read', repo='toto')

        self.check_level('deny', repo='no')

        self.check_level('write', repo='other')

    def test_user_k(self):

        self.rs.set(user='users/k/key')

        self.check_level('read', repo='toto')

        self.check_level('read', repo='no')

        self.check_level('read', repo='other')

    def test_otheruser(self):

        self.rs.set(user='jay/key')

        self.check_level('none', repo='toto')

        self.check_level('none', repo='no')

        self.check_level('none', repo='other')

class RuleSet4TC(_RuleSetBaseTC):

    accessrules = '''

read  user=users/w/* repo=toto

write user=users/w/*

deny  user=users/w/* repo=no

read  user=users/**

'''

    def test_user_w(self):

        self.rs.set(user='users/w/key')

        self.check_level('read', repo='toto')

        # deny has no effect here, write match first

        self.check_level('write', repo='no')

        self.check_level('write', repo='other')

class RuleSet5TC(_RuleSetBaseTC):

    accessrules = '''

read  user=users/w/* repo=toto

deny  user=users/w/* repo=no

write user=users/w/*

read  user=users/**

'''

    def test_user_w(self):

        self.rs.set(user='users/w/key')

        self.check_level('read', repo='toto')

        # deny takes effect here

        self.check_level('deny', repo='no')

        self.check_level('write', repo='other')

if __name__ == '__main__':

    from unittest import main

    main()