""" Test script for the unicodedata module.

    Written by Marc-Andre Lemburg (mal@lemburg.com).

    (c) Copyright CNRI, All Rights Reserved. NO WARRANTY.

"""

import sys

import unittest

import hashlib

import subprocess

import test.test_support

encoding = 'utf-8'

### Run tests

class UnicodeMethodsTest(unittest.TestCase):

    # update this, if the database changes

    expectedchecksum = 'aef99984a58c8e1e5363a3175f2ff9608599a93e'

    def test_method_checksum(self):

        h = hashlib.sha1()

        for i in range(65536):

            char = unichr(i)

            data = [

                # Predicates (single char)

                u"01"[char.isalnum()],

                u"01"[char.isalpha()],

                u"01"[char.isdecimal()],

                u"01"[char.isdigit()],

                u"01"[char.islower()],

                u"01"[char.isnumeric()],

                u"01"[char.isspace()],

                u"01"[char.istitle()],

                u"01"[char.isupper()],

                # Predicates (multiple chars)

                u"01"[(char + u'abc').isalnum()],

                u"01"[(char + u'abc').isalpha()],

                u"01"[(char + u'123').isdecimal()],

                u"01"[(char + u'123').isdigit()],

                u"01"[(char + u'abc').islower()],

                u"01"[(char + u'123').isnumeric()],

                u"01"[(char + u' \t').isspace()],

                u"01"[(char + u'abc').istitle()],

                u"01"[(char + u'ABC').isupper()],

                # Mappings (single char)

                char.lower(),

                char.upper(),

                char.title(),

                # Mappings (multiple chars)

                (char + u'abc').lower(),

                (char + u'ABC').upper(),

                (char + u'abc').title(),

                (char + u'ABC').title(),

                ]

            h.update(u''.join(data).encode(encoding))

        result = h.hexdigest()

        self.assertEqual(result, self.expectedchecksum)

class UnicodeDatabaseTest(unittest.TestCase):

    def setUp(self):

        # In case unicodedata is not available, this will raise an ImportError,

        # but the other test cases will still be run

        import unicodedata

        self.db = unicodedata

    def tearDown(self):

        del self.db

class UnicodeFunctionsTest(UnicodeDatabaseTest):

    # update this, if the database changes

    expectedchecksum = '3136d5afd787dc2bcb1bdcac95e385349fbebbca'

    def test_function_checksum(self):

        data = []

        h = hashlib.sha1()

        for i in range(0x10000):

            char = unichr(i)

            data = [

                # Properties

                str(self.db.digit(char, -1)),

                str(self.db.numeric(char, -1)),

                str(self.db.decimal(char, -1)),

                self.db.category(char),

                self.db.bidirectional(char),

                self.db.decomposition(char),

                str(self.db.mirrored(char)),

                str(self.db.combining(char)),

            ]

            h.update(''.join(data))

        result = h.hexdigest()

        self.assertEqual(result, self.expectedchecksum)

    def test_digit(self):

        self.assertEqual(self.db.digit(u'A', None), None)

        self.assertEqual(self.db.digit(u'9'), 9)

        self.assertEqual(self.db.digit(u'\u215b', None), None)

        self.assertEqual(self.db.digit(u'\u2468'), 9)

        self.assertEqual(self.db.digit(u'\U00020000', None), None)

        self.assertRaises(TypeError, self.db.digit)

        self.assertRaises(TypeError, self.db.digit, u'xx')

        self.assertRaises(ValueError, self.db.digit, u'x')

    def test_numeric(self):

        self.assertEqual(self.db.numeric(u'A',None), None)

        self.assertEqual(self.db.numeric(u'9'), 9)

        self.assertEqual(self.db.numeric(u'\u215b'), 0.125)

        self.assertEqual(self.db.numeric(u'\u2468'), 9.0)

        self.assertEqual(self.db.numeric(u'\U00020000', None), None)

        self.assertRaises(TypeError, self.db.numeric)

        self.assertRaises(TypeError, self.db.numeric, u'xx')

        self.assertRaises(ValueError, self.db.numeric, u'x')

    def test_decimal(self):

        self.assertEqual(self.db.decimal(u'A',None), None)

        self.assertEqual(self.db.decimal(u'9'), 9)

        self.assertEqual(self.db.decimal(u'\u215b', None), None)

        self.assertEqual(self.db.decimal(u'\u2468', None), None)

        self.assertEqual(self.db.decimal(u'\U00020000', None), None)

        self.assertRaises(TypeError, self.db.decimal)

        self.assertRaises(TypeError, self.db.decimal, u'xx')

        self.assertRaises(ValueError, self.db.decimal, u'x')

    def test_category(self):

        self.assertEqual(self.db.category(u'\uFFFE'), 'Cn')

        self.assertEqual(self.db.category(u'a'), 'Ll')

        self.assertEqual(self.db.category(u'A'), 'Lu')

        self.assertEqual(self.db.category(u'\U00020000'), 'Lo')

        self.assertRaises(TypeError, self.db.category)

        self.assertRaises(TypeError, self.db.category, u'xx')

    def test_bidirectional(self):

        self.assertEqual(self.db.bidirectional(u'\uFFFE'), '')

        self.assertEqual(self.db.bidirectional(u' '), 'WS')

        self.assertEqual(self.db.bidirectional(u'A'), 'L')

        self.assertEqual(self.db.bidirectional(u'\U00020000'), 'L')

        self.assertRaises(TypeError, self.db.bidirectional)

        self.assertRaises(TypeError, self.db.bidirectional, u'xx')

    def test_decomposition(self):

        self.assertEqual(self.db.decomposition(u'\uFFFE'),'')

        self.assertEqual(self.db.decomposition(u'\u00bc'), '<fraction> 0031 2044 0034')

        self.assertRaises(TypeError, self.db.decomposition)

        self.assertRaises(TypeError, self.db.decomposition, u'xx')

    def test_mirrored(self):

        self.assertEqual(self.db.mirrored(u'\uFFFE'), 0)

        self.assertEqual(self.db.mirrored(u'a'), 0)

        self.assertEqual(self.db.mirrored(u'\u2201'), 1)

        self.assertEqual(self.db.mirrored(u'\U00020000'), 0)

        self.assertRaises(TypeError, self.db.mirrored)

        self.assertRaises(TypeError, self.db.mirrored, u'xx')

    def test_combining(self):

        self.assertEqual(self.db.combining(u'\uFFFE'), 0)

        self.assertEqual(self.db.combining(u'a'), 0)

        self.assertEqual(self.db.combining(u'\u20e1'), 230)

        self.assertEqual(self.db.combining(u'\U00020000'), 0)

        self.assertRaises(TypeError, self.db.combining)

        self.assertRaises(TypeError, self.db.combining, u'xx')

    def test_normalize(self):

        self.assertRaises(TypeError, self.db.normalize)

        self.assertRaises(ValueError, self.db.normalize, 'unknown', u'xx')

        self.assertEqual(self.db.normalize('NFKC', u''), u'')

        # The rest can be found in test_normalization.py

        # which requires an external file.

    def test_east_asian_width(self):

        eaw = self.db.east_asian_width

        self.assertRaises(TypeError, eaw, 'a')

        self.assertRaises(TypeError, eaw, u'')

        self.assertRaises(TypeError, eaw, u'ra')

        self.assertEqual(eaw(u'\x1e'), 'N')

        self.assertEqual(eaw(u'\x20'), 'Na')

        self.assertEqual(eaw(u'\uC894'), 'W')

        self.assertEqual(eaw(u'\uFF66'), 'H')

        self.assertEqual(eaw(u'\uFF1F'), 'F')

        self.assertEqual(eaw(u'\u2010'), 'A')

        self.assertEqual(eaw(u'\U00020000'), 'W')

class UnicodeMiscTest(UnicodeDatabaseTest):

    def test_failed_import_during_compiling(self):

        # Issue 4367

        # Decoding \N escapes requires the unicodedata module. If it can't be

        # imported, we shouldn't segfault.

        # This program should raise a SyntaxError in the eval.

        code = "import sys;" \

            "sys.modules['unicodedata'] = None;" \

            """eval("u'\N{SOFT HYPHEN}'")"""

        args = [sys.executable, "-c", code]

        # We use a subprocess because the unicodedata module may already have

        # been loaded in this process.

        popen = subprocess.Popen(args, stderr=subprocess.PIPE)

        popen.wait()

        self.assertEqual(popen.returncode, 1)

        error = "SyntaxError: (unicode error) \N escapes not supported " \

            "(can't load unicodedata module)"

        self.assertTrue(error in popen.stderr.read())

    def test_decimal_numeric_consistent(self):

        # Test that decimal and numeric are consistent,

        # i.e. if a character has a decimal value,

        # its numeric value should be the same.

        count = 0

        for i in xrange(0x10000):

            c = unichr(i)

            dec = self.db.decimal(c, -1)

            if dec != -1:

                self.assertEqual(dec, self.db.numeric(c))

                count += 1

        self.assert_(count >= 10) # should have tested at least the ASCII digits

    def test_digit_numeric_consistent(self):

        # Test that digit and numeric are consistent,

        # i.e. if a character has a digit value,

        # its numeric value should be the same.

        count = 0

        for i in xrange(0x10000):

            c = unichr(i)

            dec = self.db.digit(c, -1)

            if dec != -1:

                self.assertEqual(dec, self.db.numeric(c))

                count += 1

        self.assert_(count >= 10) # should have tested at least the ASCII digits

    def test_bug_1704793(self):

        self.assertEquals(self.db.lookup("GOTHIC LETTER FAIHU"), u'\U00010346')

    def test_ucd_510(self):

        import unicodedata

        # In UCD 5.1.0, a mirrored property changed wrt. UCD 3.2.0

        self.assert_(unicodedata.mirrored(u"\u0f3a"))

        self.assert_(not unicodedata.ucd_3_2_0.mirrored(u"\u0f3a"))

        # Also, we now have two ways of representing

        # the upper-case mapping: as delta, or as absolute value

        self.assert_(u"a".upper()==u'A')

        self.assert_(u"\u1d79".upper()==u'\ua77d')

def test_main():

    test.test_support.run_unittest(

        UnicodeMiscTest,

        UnicodeMethodsTest,

        UnicodeFunctionsTest

    )

if __name__ == "__main__":

    test_main()