/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <map>
#include <string>
#include "system_wrappers/interface/data_log.h"
#include "system_wrappers/interface/data_log_c.h"
#include "system_wrappers/source/data_log_c_helpers_unittest.h"
#include "gtest/gtest.h"
using ::webrtc::DataLog;
// A class for storing the values expected from a log table column when
// verifying a log table file.
struct ExpectedValues {
public:
ExpectedValues()
: values(NULL),
multi_value_length(1) {
}
ExpectedValues(std::vector<std::string> expected_values,
int expected_multi_value_length)
: values(expected_values),
multi_value_length(expected_multi_value_length) {
}
std::vector<std::string> values;
int multi_value_length;
};
typedef std::map<std::string, ExpectedValues> ExpectedValuesMap;
// A static class used for parsing and verifying data log files.
class DataLogParser {
public:
// Verifies that the log table stored in the file "log_file" corresponds to
// the cells and columns specified in "columns".
static int VerifyTable(FILE* log_file, const ExpectedValuesMap& columns) {
int row = 0;
char line_buffer[kMaxLineLength];
char* ret = fgets(line_buffer, kMaxLineLength, log_file);
EXPECT_FALSE(ret == NULL);
if (ret == NULL)
return -1;
std::string line(line_buffer, kMaxLineLength);
VerifyHeader(line, columns);
while (fgets(line_buffer, kMaxLineLength, log_file) != NULL) {
line = std::string(line_buffer, kMaxLineLength);
size_t line_position = 0;
for (ExpectedValuesMap::const_iterator it = columns.begin();
it != columns.end(); ++it) {
std::string str = ParseElement(line, &line_position,
it->second.multi_value_length);
EXPECT_EQ(str, it->second.values[row]);
if (str != it->second.values[row])
return -1;
}
++row;
}
return 0;
}
// Verifies the table header stored in "line" to correspond with the header
// specified in "columns".
static int VerifyHeader(const std::string& line,
const ExpectedValuesMap& columns) {
size_t line_position = 0;
for (ExpectedValuesMap::const_iterator it = columns.begin();
it != columns.end(); ++it) {
std::string str = ParseElement(line, &line_position,
it->second.multi_value_length);
EXPECT_EQ(str, it->first);
if (str != it->first)
return -1;
}
return 0;
}
// Parses out and returns one element from the string "line", which contains
// one line read from a log table file. An element can either be a column
// header or a cell of a row.
static std::string ParseElement(const std::string& line,
size_t* line_position,
int multi_value_length) {
std::string parsed_cell;
parsed_cell = "";
for (int i = 0; i < multi_value_length; ++i) {
size_t next_separator = line.find(',', *line_position);
EXPECT_NE(next_separator, std::string::npos);
if (next_separator == std::string::npos)
break;
parsed_cell += line.substr(*line_position,
next_separator - *line_position + 1);
*line_position = next_separator + 1;
}
return parsed_cell;
}
// This constant defines the maximum line length the DataLogParser can
// parse.
enum { kMaxLineLength = 100 };
};
TEST(TestDataLog, CreateReturnTest) {
for (int i = 0; i < 10; ++i)
ASSERT_EQ(DataLog::CreateLog(), 0);
ASSERT_EQ(DataLog::AddTable(DataLog::Combine("a proper table", 1)), 0);
for (int i = 0; i < 10; ++i)
DataLog::ReturnLog();
ASSERT_LT(DataLog::AddTable(DataLog::Combine("table failure", 1)), 0);
}
TEST(TestDataLog, VerifyCombineMethod) {
EXPECT_EQ(std::string("a proper table_1"),
DataLog::Combine("a proper table", 1));
}
TEST(TestDataLog, VerifySingleTable) {
DataLog::CreateLog();
DataLog::AddTable(DataLog::Combine("table", 1));
DataLog::AddColumn(DataLog::Combine("table", 1), "arrival", 1);
DataLog::AddColumn(DataLog::Combine("table", 1), "timestamp", 1);
DataLog::AddColumn(DataLog::Combine("table", 1), "size", 5);
WebRtc_UWord32 sizes[5] = {1400, 1500, 1600, 1700, 1800};
for (int i = 0; i < 10; ++i) {
DataLog::InsertCell(DataLog::Combine("table", 1), "arrival",
static_cast<double>(i));
DataLog::InsertCell(DataLog::Combine("table", 1), "timestamp",
static_cast<WebRtc_Word64>(4354 + i));
DataLog::InsertCell(DataLog::Combine("table", 1), "size", sizes, 5);
DataLog::NextRow(DataLog::Combine("table", 1));
}
DataLog::ReturnLog();
// Verify file
FILE* table = fopen("table_1.txt", "r");
ASSERT_FALSE(table == NULL);
// Read the column names and verify with the expected columns.
// Note that the columns are written to file in alphabetical order.
// Data expected from parsing the file
const int kNumberOfRows = 10;
std::string string_arrival[kNumberOfRows] = {
"0,", "1,", "2,", "3,", "4,",
"5,", "6,", "7,", "8,", "9,"
};
std::string string_timestamp[kNumberOfRows] = {
"4354,", "4355,", "4356,", "4357,",
"4358,", "4359,", "4360,", "4361,",
"4362,", "4363,"
};
std::string string_sizes = "1400,1500,1600,1700,1800,";
ExpectedValuesMap expected;
expected["arrival,"] = ExpectedValues(
std::vector<std::string>(string_arrival,
string_arrival +
kNumberOfRows),
1);
expected["size[5],,,,,"] = ExpectedValues(
std::vector<std::string>(10, string_sizes), 5);
expected["timestamp,"] = ExpectedValues(
std::vector<std::string>(string_timestamp,
string_timestamp +
kNumberOfRows),
1);
ASSERT_EQ(DataLogParser::VerifyTable(table, expected), 0);
fclose(table);
}
TEST(TestDataLog, VerifyMultipleTables) {
DataLog::CreateLog();
DataLog::AddTable(DataLog::Combine("table", 2));
DataLog::AddTable(DataLog::Combine("table", 3));
DataLog::AddColumn(DataLog::Combine("table", 2), "arrival", 1);
DataLog::AddColumn(DataLog::Combine("table", 2), "timestamp", 1);
DataLog::AddColumn(DataLog::Combine("table", 2), "size", 1);
DataLog::AddTable(DataLog::Combine("table", 4));
DataLog::AddColumn(DataLog::Combine("table", 3), "timestamp", 1);
DataLog::AddColumn(DataLog::Combine("table", 3), "arrival", 1);
DataLog::AddColumn(DataLog::Combine("table", 4), "size", 1);
for (WebRtc_Word32 i = 0; i < 10; ++i) {
DataLog::InsertCell(DataLog::Combine("table", 2), "arrival",
static_cast<WebRtc_Word32>(i));
DataLog::InsertCell(DataLog::Combine("table", 2), "timestamp",
static_cast<WebRtc_Word32>(4354 + i));
DataLog::InsertCell(DataLog::Combine("table", 2), "size",
static_cast<WebRtc_Word32>(1200 + 10 * i));
DataLog::InsertCell(DataLog::Combine("table", 3), "timestamp",
static_cast<WebRtc_Word32>(4354 + i));
DataLog::InsertCell(DataLog::Combine("table", 3), "arrival",
static_cast<WebRtc_Word32>(i));
DataLog::InsertCell(DataLog::Combine("table", 4), "size",
static_cast<WebRtc_Word32>(1200 + 10 * i));
DataLog::NextRow(DataLog::Combine("table", 4));
DataLog::NextRow(DataLog::Combine("table", 2));
DataLog::NextRow(DataLog::Combine("table", 3));
}
DataLog::ReturnLog();
// Data expected from parsing the file
const int kNumberOfRows = 10;
std::string string_arrival[kNumberOfRows] = {
"0,", "1,", "2,", "3,", "4,",
"5,", "6,", "7,", "8,", "9,"
};
std::string string_timestamp[kNumberOfRows] = {
"4354,", "4355,", "4356,", "4357,",
"4358,", "4359,", "4360,", "4361,",
"4362,", "4363,"
};
std::string string_size[kNumberOfRows] = {
"1200,", "1210,", "1220,", "1230,",
"1240,", "1250,", "1260,", "1270,",
"1280,", "1290,"
};
// Verify table 2
{
FILE* table = fopen("table_2.txt", "r");
ASSERT_FALSE(table == NULL);
ExpectedValuesMap expected;
expected["arrival,"] = ExpectedValues(
std::vector<std::string>(string_arrival,
string_arrival +
kNumberOfRows),
1);
expected["size,"] = ExpectedValues(
std::vector<std::string>(string_size,
string_size + kNumberOfRows),
1);
expected["timestamp,"] = ExpectedValues(
std::vector<std::string>(string_timestamp,
string_timestamp +
kNumberOfRows),
1);
ASSERT_EQ(DataLogParser::VerifyTable(table, expected), 0);
fclose(table);
}
// Verify table 3
{
FILE* table = fopen("table_3.txt", "r");
ASSERT_FALSE(table == NULL);
ExpectedValuesMap expected;
expected["arrival,"] = ExpectedValues(
std::vector<std::string>(string_arrival,
string_arrival +
kNumberOfRows),
1);
expected["timestamp,"] = ExpectedValues(
std::vector<std::string>(string_timestamp,
string_timestamp +
kNumberOfRows),
1);
ASSERT_EQ(DataLogParser::VerifyTable(table, expected), 0);
fclose(table);
}
// Verify table 4
{
FILE* table = fopen("table_4.txt", "r");
ASSERT_FALSE(table == NULL);
ExpectedValuesMap expected;
expected["size,"] = ExpectedValues(
std::vector<std::string>(string_size,
string_size +
kNumberOfRows),
1);
ASSERT_EQ(DataLogParser::VerifyTable(table, expected), 0);
fclose(table);
}
}
TEST(TestDataLogCWrapper, VerifyCWrapper) {
// Simply call all C wrapper log functions through the C helper unittests.
// Main purpose is to make sure that the linkage is correct.
EXPECT_EQ(0, WebRtcDataLogCHelper_TestCreateLog());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestCombine());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestAddTable());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestAddColumn());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestInsertCell_int());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestInsertArray_int());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestNextRow());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestInsertCell_float());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestInsertArray_float());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestNextRow());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestInsertCell_double());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestInsertArray_double());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestNextRow());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestInsertCell_int32());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestInsertArray_int32());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestNextRow());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestInsertCell_uint32());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestInsertArray_uint32());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestNextRow());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestInsertCell_int64());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestInsertArray_int64());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestNextRow());
EXPECT_EQ(0, WebRtcDataLogCHelper_TestReturnLog());
}