90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
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/*
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* Copyright 2008 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdarg.h>
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#include <stddef.h>
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#include <setjmp.h>
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#include <cmocka.h>
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#include <database.h>
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extern DatabaseConnection* connect_to_customer_database();
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extern unsigned int get_customer_id_by_name(
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DatabaseConnection * const connection, const char * const customer_name);
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/* Mock query database function. */
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static unsigned int mock_query_database(DatabaseConnection* const connection,
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const char * const query_string,
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void *** const results) {
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(void) connection; /* unused */
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(void) query_string; /* unused */
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*results = (void **)mock_ptr_type(int *);
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return mock_ptr_type(int);
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}
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/* Mock of the connect to database function. */
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DatabaseConnection* connect_to_database(const char * const database_url,
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const unsigned int port) {
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(void) database_url; /* unused */
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(void) port; /* unused */
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return (DatabaseConnection*)((size_t)mock());
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}
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static void test_connect_to_customer_database(void **state) {
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(void) state; /* unused */
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will_return(connect_to_database, 0x0DA7ABA53);
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assert_int_equal((size_t)connect_to_customer_database(), 0x0DA7ABA53);
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}
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/* This test fails as the mock function connect_to_database() will have no
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* value to return. */
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#if 0
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static void fail_connect_to_customer_database(void **state) {
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(void) state; /* unused */
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assert_true(connect_to_customer_database() ==
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(DatabaseConnection*)0x0DA7ABA53);
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}
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#endif
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static void test_get_customer_id_by_name(void **state) {
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DatabaseConnection connection = {
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"somedatabase.somewhere.com", 12345678, mock_query_database
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};
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/* Return a single customer ID when mock_query_database() is called. */
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int customer_ids = 543;
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int rc;
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(void) state; /* unused */
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will_return(mock_query_database,
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cast_ptr_to_largest_integral_type(&customer_ids));
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will_return(mock_query_database, 1);
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rc = get_customer_id_by_name(&connection, "john doe");
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assert_int_equal(rc, 543);
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}
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int main(void) {
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const struct CMUnitTest tests[] = {
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cmocka_unit_test(test_connect_to_customer_database),
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cmocka_unit_test(test_get_customer_id_by_name),
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};
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return cmocka_run_group_tests(tests, NULL, NULL);
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}
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