/* Copyright (c) 2007 Eric Scott Albright
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include <UnitTest++/UnitTest++.h>
#include <enchant.h>
#include "EnchantDictionaryTestFixture.h"

static bool dictCheckCalled;

static int
MockDictionaryCheck (EnchantDict * dict, const char *const word, size_t len)
{
    dict;
    dictCheckCalled = true;
    if(strncmp("hello", word, len)==0)
    {
        return 0; //good word
    }
    return 1; // bad word
}

static EnchantDict* MockProviderRequestCheckMockDictionary(EnchantProvider * me, const char *tag)
{
    
    EnchantDict* dict = MockProviderRequestEmptyMockDictionary(me, tag);
    dict->check = MockDictionaryCheck;
    return dict;
}


static void DictionaryCheck_ProviderConfiguration (EnchantProvider * me, const char *)
{
     me->request_dict = MockProviderRequestCheckMockDictionary;
     me->dispose_dict = MockProviderDisposeDictionary;
}


struct EnchantDictionaryCheck_TestFixture : EnchantDictionaryTestFixture
{
    //Setup
    EnchantDictionaryCheck_TestFixture():
            EnchantDictionaryTestFixture(DictionaryCheck_ProviderConfiguration)
    { 
        dictCheckCalled = false;
    }
};

struct EnchantDictionaryCheckNotImplemented_TestFixture : EnchantDictionaryTestFixture
{
    //Setup
    EnchantDictionaryCheckNotImplemented_TestFixture():
            EnchantDictionaryTestFixture(EmptyDictionary_ProviderConfiguration)
    { 
        dictCheckCalled = false;
    }
};


/**
 * enchant_dict_check
 * @dict: A non-null #EnchantDict
 * @word: The non-null word you wish to correct, in UTF-8 encoding
 * @len: The byte length of @word, or -1 for strlen (@word)
 *
 * Will return an "incorrect" value if any of those pre-conditions
 * are not met.
 *
 * Returns: 0 if the word is correctly spelled, positive if not, negative if error
 */

/////////////////////////////////////////////////////////////////////////////
// Test Normal Operation
TEST_FIXTURE(EnchantDictionaryCheck_TestFixture,
             EnchantDictionaryCheck_WordExists_LenComputed_0)
{
    CHECK_EQUAL(0, enchant_dict_check(_dict, "hello", -1));
    CHECK(dictCheckCalled);
}

TEST_FIXTURE(EnchantDictionaryCheck_TestFixture,
             EnchantDictionaryCheck_WordExists_LenSpecified_0)
{
    CHECK_EQUAL(0, enchant_dict_check(_dict, "hellodisregard me", 5));
    CHECK(dictCheckCalled);
}

TEST_FIXTURE(EnchantDictionaryCheck_TestFixture,
             EnchantDictionaryCheck_WordDoesNotExist_LenComputed_1)
{
    CHECK_EQUAL(1, enchant_dict_check(_dict, "helo", -1));
    CHECK(dictCheckCalled);
}

TEST_FIXTURE(EnchantDictionaryCheck_TestFixture,
             EnchantDictionaryCheck_WordDoesNotExist_LenSpecified_1)
{
    CHECK_EQUAL(1, enchant_dict_check(_dict, "helodisregard me", 4));
    CHECK(dictCheckCalled);
}

TEST_FIXTURE(EnchantDictionaryCheck_TestFixture,
             EnchantDictionaryCheck_WordExistsInSession_0_DoesNotCallProvider)
{
    enchant_dict_add_to_session(_dict, "session", -1);
    CHECK_EQUAL(0, enchant_dict_check(_dict, "session", -1));
    CHECK(!dictCheckCalled);
}

TEST_FIXTURE(EnchantDictionaryCheck_TestFixture,
             EnchantDictionaryCheck_WordExistsInPersonal_0_DoesNotCallProvider)
{
    enchant_dict_add(_dict, "personal", -1);

    CHECK_EQUAL(0, enchant_dict_check(_dict, "personal", -1));
    CHECK(!dictCheckCalled);
}

TEST_FIXTURE(EnchantDictionaryCheck_TestFixture,
             EnchantDictionaryCheck_WordDoesExists_InBrokerPwlSession_0)
{
    enchant_dict_add_to_session(_pwl, "session", -1);
    CHECK_EQUAL(0, enchant_dict_check(_pwl, "session", -1));
}

TEST_FIXTURE(EnchantDictionaryCheck_TestFixture,
             EnchantDictionaryCheck_WordDoesExists_InBrokerPwl_0)
{
    enchant_dict_add(_pwl, "personal", -1);
    CHECK_EQUAL(0, enchant_dict_check(_pwl, "personal", -1));
}

TEST_FIXTURE(EnchantDictionaryCheck_TestFixture,
             EnchantDictionaryCheck_WordDoesNotExist_InBrokerPwl_1)
{
    CHECK_EQUAL(1, enchant_dict_check(_pwl, "session", -1));
}

TEST_FIXTURE(EnchantDictionaryCheck_TestFixture, 
             EnchantDictionaryCheck_HasPreviousError_ErrorCleared)
{
    SetErrorOnMockDictionary("something bad happened");

    enchant_dict_check(_dict, "hello", -1);
    CHECK_EQUAL((void*)NULL, (void*)enchant_dict_get_error(_dict));
}

/////////////////////////////////////////////////////////////////////////////
// Test Error Conditions
TEST_FIXTURE(EnchantDictionaryCheck_TestFixture,
             EnchantDictionaryCheck_NullDictionary_Negative1)
{
    CHECK_EQUAL(-1, enchant_dict_check(NULL, "helo", -1));
    CHECK(!dictCheckCalled);
}

TEST_FIXTURE(EnchantDictionaryCheck_TestFixture,
             EnchantDictionaryCheck_NullWord_Negative1)
{
    CHECK_EQUAL(-1, enchant_dict_check(_dict, NULL, -1));
    CHECK(!dictCheckCalled);
}

TEST_FIXTURE(EnchantDictionaryCheck_TestFixture,
             EnchantDictionaryCheck_EmptyWord_Negative1)
{
    CHECK_EQUAL(-1, enchant_dict_check(_dict, "", -1));
    CHECK(!dictCheckCalled);
}

TEST_FIXTURE(EnchantDictionaryCheck_TestFixture,
             EnchantDictionaryCheck_WordSize0_Negative1)
{
    CHECK_EQUAL(-1, enchant_dict_check(_dict, "helo", 0));
    CHECK(!dictCheckCalled);
}

TEST_FIXTURE(EnchantDictionaryCheck_TestFixture,
             EnchantDictionaryCheck_InvalidUtf8Word_Negative1)
{
    CHECK_EQUAL(-1, enchant_dict_check(_dict, "\xa5\xf1\x08", -1));
    CHECK(!dictCheckCalled);
}

TEST_FIXTURE(EnchantDictionaryCheckNotImplemented_TestFixture,
             EnchantDictionaryCheckNotImplemented_Negative1)
{
    CHECK_EQUAL(-1, enchant_dict_check(_dict, "hello", -1));
    CHECK(!dictCheckCalled);
}

TEST_FIXTURE(EnchantDictionaryCheckNotImplemented_TestFixture,
             EnchantDictionaryCheckNotImplemented_InBrokerPwl_1)
{
    CHECK_EQUAL(1, enchant_dict_check(_pwl, "hello", -1));
    CHECK(!dictCheckCalled);
}

TEST_FIXTURE(EnchantDictionaryCheck_TestFixture,
             EnchantDictionaryCheck_WordInDictionaryAndExclude_1)
{
    ExternalAddWordToExclude("hello");
    ExternalAddWordToDictionary("hello");

	ReloadTestDictionary();
	CHECK_EQUAL(1, enchant_dict_check(_dict, "hello", -1));
}