#  Copyright (c) 2008-2016 Szczepan Faber, Serhiy Oplakanets, Herr Kaste
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from mockito_test.test_base import *
from mockito import *


class Dog:
    @staticmethod
    def bark():
        return "woof"

    @staticmethod
    def barkHardly(*args):
        return "woof woof"


class Cat:
    @staticmethod
    def meow():
        return "miau"


class StaticMethodsTest(TestBase):

    def tearDown(self):
        unstub()

    def testUnstubs(self):
        when(Dog).bark().thenReturn("miau")
        unstub()
        self.assertEqual("woof", Dog.bark())

    # TODO decent test case please :) without testing irrelevant implementation
    # details
    def testUnstubShouldPreserveMethodType(self):
        when(Dog).bark().thenReturn("miau!")
        unstub()
        self.assertTrue(isinstance(Dog.__dict__.get("bark"), staticmethod))

    def testStubs(self):
        self.assertEqual("woof", Dog.bark())

        when(Dog).bark().thenReturn("miau")

        self.assertEqual("miau", Dog.bark())

    def testStubsConsecutiveCalls(self):
        when(Dog).bark().thenReturn(1).thenReturn(2)

        self.assertEqual(1, Dog.bark())
        self.assertEqual(2, Dog.bark())
        self.assertEqual(2, Dog.bark())

    def testStubsWithArgs(self):
        self.assertEqual("woof woof", Dog.barkHardly(1, 2))

        when(Dog).barkHardly(1, 2).thenReturn("miau")

        self.assertEqual("miau", Dog.barkHardly(1, 2))

    def testStubsButDoesNotMachArguments(self):
        self.assertEqual("woof woof", Dog.barkHardly(1, "anything"))

        when(Dog, strict=False).barkHardly(1, 2).thenReturn("miau")

        self.assertEqual(None, Dog.barkHardly(1))

    def testStubsMultipleClasses(self):
        when(Dog).barkHardly(1, 2).thenReturn(1)
        when(Dog).bark().thenReturn(2)
        when(Cat).meow().thenReturn(3)

        self.assertEqual(1, Dog.barkHardly(1, 2))
        self.assertEqual(2, Dog.bark())
        self.assertEqual(3, Cat.meow())

        unstub()

        self.assertEqual("woof", Dog.bark())
        self.assertEqual("miau", Cat.meow())

    def testVerifiesSuccesfully(self):
        when(Dog).bark().thenReturn("boo")

        Dog.bark()

        verify(Dog).bark()

    def testVerifiesWithArguments(self):
        when(Dog).barkHardly(1, 2).thenReturn("boo")

        Dog.barkHardly(1, 2)

        verify(Dog).barkHardly(1, any())

    def testFailsVerification(self):
        when(Dog).bark().thenReturn("boo")

        Dog.bark()

        self.assertRaises(VerificationError, verify(Dog).barkHardly, (1,2))

    def testFailsOnInvalidArguments(self):
        when(Dog).bark().thenReturn("boo")

        Dog.barkHardly(1, 2)

        self.assertRaises(VerificationError, verify(Dog).barkHardly, (1,20))

    def testFailsOnNumberOfCalls(self):
        when(Dog).bark().thenReturn("boo")

        Dog.bark()

        self.assertRaises(VerificationError, verify(Dog, times(2)).bark)

    def testStubsAndVerifies(self):
        when(Dog).bark().thenReturn("boo")

        self.assertEqual("boo", Dog.bark())

        verify(Dog).bark()

    def testStubsTwiceAndUnstubs(self):
        when(Dog).bark().thenReturn(1)
        when(Dog).bark().thenReturn(2)

        self.assertEqual(2, Dog.bark())

        unstub()

        self.assertEqual("woof", Dog.bark())

    def testDoesNotVerifyStubbedCalls(self):
        when(Dog).bark().thenReturn(1)

        verify(Dog, times=0).bark()

if __name__ == '__main__':
    unittest.main()
