Heather Lee Wilson | bdd62c5 | 2013-12-28 15:12:39 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2008 Google Inc. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | #include <stdarg.h> |
| 17 | #include <stddef.h> |
| 18 | #include <setjmp.h> |
| 19 | #include <cmockery.h> |
| 20 | #include <database.h> |
| 21 | |
| 22 | extern DatabaseConnection* connect_to_customer_database(); |
| 23 | extern unsigned int get_customer_id_by_name( |
| 24 | DatabaseConnection * const connection, const char * const customer_name); |
| 25 | |
| 26 | // Mock query database function. |
| 27 | unsigned int mock_query_database( |
| 28 | DatabaseConnection* const connection, const char * const query_string, |
| 29 | void *** const results) { |
| 30 | *results = (void**)mock(); |
| 31 | return (unsigned int)mock(); |
| 32 | } |
| 33 | |
| 34 | // Mock of the connect to database function. |
| 35 | DatabaseConnection* connect_to_database(const char * const database_url, |
| 36 | const unsigned int port) { |
| 37 | return (DatabaseConnection*)mock(); |
| 38 | } |
| 39 | |
| 40 | void test_connect_to_customer_database(void **state) { |
| 41 | will_return(connect_to_database, 0x0DA7ABA53); |
| 42 | assert_int_equal((int)connect_to_customer_database(), 0x0DA7ABA53); |
| 43 | } |
| 44 | |
| 45 | /* This test fails as the mock function connect_to_database() will have no |
| 46 | * value to return. */ |
| 47 | void fail_connect_to_customer_database(void **state) { |
| 48 | assert_true(connect_to_customer_database() == |
| 49 | (DatabaseConnection*)0x0DA7ABA53); |
| 50 | } |
| 51 | |
| 52 | void test_get_customer_id_by_name(void **state) { |
| 53 | DatabaseConnection connection = { |
| 54 | "somedatabase.somewhere.com", 12345678, mock_query_database |
| 55 | }; |
| 56 | // Return a single customer ID when mock_query_database() is called. |
| 57 | int customer_ids = 543; |
| 58 | will_return(mock_query_database, &customer_ids); |
| 59 | will_return(mock_query_database, 1); |
| 60 | assert_int_equal(get_customer_id_by_name(&connection, "john doe"), 543); |
| 61 | } |
| 62 | |
| 63 | int main(int argc, char* argv[]) { |
| 64 | const UnitTest tests[] = { |
| 65 | unit_test(test_connect_to_customer_database), |
| 66 | unit_test(test_get_customer_id_by_name), |
| 67 | }; |
| 68 | return run_tests(tests); |
| 69 | } |