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 "system_wrappers/interface/data_log.h"
12
13 #include <cstdio>
14
15 #include "gtest/gtest.h"
16
17 using ::webrtc::DataLog;
18
19 const char* kDataLogFileName = "table_1.txt";
20
PerformLogging(std::string table_name)21 void PerformLogging(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).
TEST(TestDataLogDisabled,VerifyLoggingWorks)35 TEST(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
TEST(TestDataLogDisabled,EnsureNoFileIsWritten)45 TEST(TestDataLogDisabled, EnsureNoFileIsWritten) {
46 // Remove any previous data files on disk:
47 std::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