# -*- coding: iso-8859-1 -*-

"""unit tests for database value generator"""

import os.path as osp

import re

from logilab.common.testlib import TestCase, unittest_main

from cubicweb.schema import Schema, EntitySchema

from cubicweb.devtools.fill import ValueGenerator, make_tel

from cubicweb.devtools import ApptestConfiguration

DATADIR = osp.join(osp.abspath(osp.dirname(__file__)), 'data')

ISODATE_SRE = re.compile('(?P<year>\d{4})-(?P<month>\d{2})-(?P<day>\d{2})$')

class MyValueGenerator(ValueGenerator):

    def generate_Bug_severity(self, index):

        return u'dangerous'

    def generate_Any_description(self, index, format=None):

        return u'yo'

class ValueGeneratorTC(TestCase):

    """test case for ValueGenerator"""

    def _choice_func(self, etype, attrname):

        try:

            return getattr(self, '_available_%s_%s' % (etype, attrname))(etype, attrname)

        except AttributeError:

            return None

    def _available_Person_firstname(self, etype, attrname):

        return [f.strip() for f in file(osp.join(DATADIR, 'firstnames.txt'))]

    def setUp(self):

        config = ApptestConfiguration('data')

        config.bootstrap_cubes()

        schema = config.load_schema()

        e_schema = schema.entity_schema('Person')

        self.person_valgen = ValueGenerator(e_schema, self._choice_func)

        e_schema = schema.entity_schema('Bug')

        self.bug_valgen = MyValueGenerator(e_schema)

        self.config = config

    def _check_date(self, date):

        """checks that 'date' is well-formed"""

        year = date.year

        month = date.month

        day = date.day

        self.failUnless(day in range(1, 29), '%s not in [0;28]' % day) 

        self.failUnless(month in range(1, 13), '%s not in [1;12]' % month)

        self.failUnless(year in range(2000, 2005),

                        '%s not in [2000;2004]' % year)

    def test_string(self):

        """test string generation"""

        surname = self.person_valgen._generate_value('surname', 12)

        self.assertEquals(surname, u'�&surname12')

    def test_domain_value(self):

        """test value generation from a given domain value"""

        firstname = self.person_valgen._generate_value('firstname', 12)

        possible_choices = self._choice_func('Person', 'firstname')

        self.failUnless(firstname in possible_choices,

                        '%s not in %s' % (firstname, possible_choices))

    def test_choice(self):

        """test choice generation"""

        # Test for random index

        for index in range(5):

            sx_value = self.person_valgen._generate_value('civility', index)

            self.failUnless(sx_value in ('Mr', 'Mrs', 'Ms'))

    def test_integer(self):

        """test integer generation"""

        # Test for random index

        for index in range(5):

            cost_value = self.bug_valgen._generate_value('cost', index)

            self.failUnless(cost_value in range(index+1))

    def test_date(self):

        """test date generation"""

        # Test for random index

        for index in range(5):

            date_value = self.person_valgen._generate_value('birthday', index)

            self._check_date(date_value)

    def test_phone(self):

        """tests make_tel utility"""

        self.assertEquals(make_tel(22030405), '22 03 04 05')

    def test_customized_generation(self):

        self.assertEquals(self.bug_valgen._generate_value('severity', 12),

                          u'dangerous')

        self.assertEquals(self.bug_valgen._generate_value('description', 12),

                          u'yo')

        self.assertEquals(self.person_valgen._generate_value('description', 12),

                          u'yo')

class ConstraintInsertionTC(TestCase):

    def test_writeme(self):

        self.skip('Test automatic insertion / Schema Constraints')

if __name__ == '__main__':

    unittest_main()