1/*
2 *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#include "webrtc/system_wrappers/include/data_log.h"
12
13#include <stdio.h>
14
15#include "testing/gtest/include/gtest/gtest.h"
16
17using ::webrtc::DataLog;
18
19const char* kDataLogFileName = "table_1.txt";
20
21void PerformLogging(const std::string& table_name) {
22  // Simulate normal DataTable logging behavior using this table name.
23  ASSERT_EQ(0, DataLog::AddTable(table_name));
24  ASSERT_EQ(0, DataLog::AddColumn(table_name, "test", 1));
25  for (int i = 0; i < 10; ++i) {
26    // TODO(kjellander): Check InsertCell result when the DataLog dummy is
27    // fixed.
28    DataLog::InsertCell(table_name, "test", static_cast<double>(i));
29    ASSERT_EQ(0, DataLog::NextRow(table_name));
30  }
31}
32
33// Simple test to verify DataLog is still working when the GYP variable
34// enable_data_logging==0 (the default case).
35TEST(TestDataLogDisabled, VerifyLoggingWorks) {
36  ASSERT_EQ(0, DataLog::CreateLog());
37  // Generate a table_name name and assure it's an empty string
38  // (dummy behavior).
39  std::string table_name = DataLog::Combine("table", 1);
40  ASSERT_EQ("", table_name);
41  PerformLogging(table_name);
42  DataLog::ReturnLog();
43}
44
45TEST(TestDataLogDisabled, EnsureNoFileIsWritten) {
46  // Remove any previous data files on disk:
47  remove(kDataLogFileName);
48  ASSERT_EQ(0, DataLog::CreateLog());
49  // Don't use the table name we would get from Combine on a disabled DataLog.
50  // Use "table_1" instead (which is what an enabled DataLog would give us).
51  PerformLogging("table_1");
52  DataLog::ReturnLog();
53  // Verify no data log file have been written:
54  ASSERT_EQ(NULL, fopen(kDataLogFileName, "r"));
55}
56