# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.


"""
Test cases for formmethod module.
"""

from twisted.trial import unittest

from twisted.python import formmethod


class ArgumentTestCase(unittest.TestCase):

def argTest(self, argKlass, testPairs, badValues, *args, **kwargs):
arg = argKlass("name", *args, **kwargs)
for val, result in testPairs:
self.assertEqual(arg.coerce(val), result)
for val in badValues:
self.assertRaises(formmethod.InputError, arg.coerce, val)


def test_argument(self):
"""
Test that corce correctly raises NotImplementedError.
"""
arg = formmethod.Argument("name")
self.assertRaises(NotImplementedError, arg.coerce, "")


def testString(self):
self.argTest(formmethod.String, [("a", "a"), (1, "1"), ("", "")], ())
self.argTest(formmethod.String, [("ab", "ab"), ("abc", "abc")], ("2", ""), min=2)
self.argTest(formmethod.String, [("ab", "ab"), ("a", "a")], ("223213", "345x"), max=3)
self.argTest(formmethod.String, [("ab", "ab"), ("add", "add")], ("223213", "x"), min=2, max=3)

def testInt(self):
self.argTest(formmethod.Integer, [("3", 3), ("-2", -2), ("", None)], ("q", "2.3"))
self.argTest(formmethod.Integer, [("3", 3), ("-2", -2)], ("q", "2.3", ""), allowNone=0)

def testFloat(self):
self.argTest(formmethod.Float, [("3", 3.0), ("-2.3", -2.3), ("", None)], ("q", "2.3z"))
self.argTest(formmethod.Float, [("3", 3.0), ("-2.3", -2.3)], ("q", "2.3z", ""),
allowNone=0)

def testChoice(self):
choices = [("a", "apple", "an apple"),
("b", "banana", "ook")]
self.argTest(formmethod.Choice, [("a", "apple"), ("b", "banana")],
("c", 1), choices=choices)

def testFlags(self):
flags = [("a", "apple", "an apple"),
("b", "banana", "ook")]
self.argTest(formmethod.Flags,
[(["a"], ["apple"]), (["b", "a"], ["banana", "apple"])],
(["a", "c"], ["fdfs"]),
flags=flags)

def testBoolean(self):
tests = [("yes", 1), ("", 0), ("False", 0), ("no", 0)]
self.argTest(formmethod.Boolean, tests, ())


def test_file(self):
"""
Test the correctness of the coerce function.
"""
arg = formmethod.File("name", allowNone=0)
self.assertEqual(arg.coerce("something"), "something")
self.assertRaises(formmethod.InputError, arg.coerce, None)
arg2 = formmethod.File("name")
self.assertEqual(arg2.coerce(None), None)


def testDate(self):
goodTests = {
("2002", "12", "21"): (2002, 12, 21),
("1996", "2", "29"): (1996, 2, 29),
("", "", ""): None,
}.items()
badTests = [("2002", "2", "29"), ("xx", "2", "3"),
("2002", "13", "1"), ("1999", "12","32"),
("2002", "1"), ("2002", "2", "3", "4")]
self.argTest(formmethod.Date, goodTests, badTests)

def testRangedInteger(self):
goodTests = {"0": 0, "12": 12, "3": 3}.items()
badTests = ["-1", "x", "13", "-2000", "3.4"]
self.argTest(formmethod.IntegerRange, goodTests, badTests, 0, 12)

def testVerifiedPassword(self):
goodTests = {("foo", "foo"): "foo", ("ab", "ab"): "ab"}.items()
badTests = [("ab", "a"), ("12345", "12345"), ("", ""), ("a", "a"), ("a",), ("a", "a", "a")]
self.argTest(formmethod.VerifiedPassword, goodTests, badTests, min=2, max=4)