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#include <iostream>
#include <QTest>
#include <QSignalSpy>
#include "log.h"
#include "test_utils.h"
#include "data/logdata.h"
#include "gmock/gmock.h"
#define TMPDIR "/tmp"
static const qint64 SL_NB_LINES = 5000LL;
static const int SL_LINE_PER_PAGE = 70;
static const char* sl_format="LOGDATA is a part of glogg, we are going to test it thoroughly, this is line %06d\n";
static const int SL_LINE_LENGTH = 83; // Without the final '\n' !
static const char* partial_line_begin = "123... beginning of line.";
static const char* partial_line_end = " end of line 123.\n";
class LogDataChanging : public testing::Test {
public:
};
TEST_F( LogDataChanging, changingFile ) {
char newLine[90];
LogData log_data;
SafeQSignalSpy finishedSpy( &log_data, SIGNAL( loadingFinished( LoadingStatus ) ) );
SafeQSignalSpy progressSpy( &log_data, SIGNAL( loadingProgressed( int ) ) );
SafeQSignalSpy changedSpy( &log_data,
SIGNAL( fileChanged( LogData::MonitoredFileStatus ) ) );
// Generate a small file
QFile file( TMPDIR "/changingfile.txt" );
if ( file.open( QIODevice::WriteOnly ) ) {
for (int i = 0; i < 200; i++) {
snprintf(newLine, 89, sl_format, i);
file.write( newLine, qstrlen(newLine) );
}
}
file.close();
// Start loading it
log_data.attachFile( TMPDIR "/changingfile.txt" );
// and wait for the signal
ASSERT_TRUE( finishedSpy.safeWait() );
// Check we have the small file
ASSERT_THAT( finishedSpy.count(), 1 );
ASSERT_THAT( log_data.getNbLine(), 200LL );
ASSERT_THAT( log_data.getMaxLength(), SL_LINE_LENGTH );
ASSERT_THAT( log_data.getFileSize(), 200 * (SL_LINE_LENGTH+1LL) );
// Add some data to it
if ( file.open( QIODevice::Append ) ) {
for (int i = 0; i < 200; i++) {
snprintf(newLine, 89, sl_format, i);
file.write( newLine, qstrlen(newLine) );
}
// To test the edge case when the final line is not complete
file.write( partial_line_begin, qstrlen( partial_line_begin ) );
}
file.close();
// and wait for the signals
ASSERT_TRUE( finishedSpy.wait( 1000 ) );
// Check we have a bigger file
ASSERT_THAT( changedSpy.count(), 1 );
ASSERT_THAT( finishedSpy.count(), 2 );
ASSERT_THAT( log_data.getNbLine(), 401LL );
ASSERT_THAT( log_data.getMaxLength(), SL_LINE_LENGTH );
ASSERT_THAT( log_data.getFileSize(), (qint64) (400 * (SL_LINE_LENGTH+1LL)
+ strlen( partial_line_begin ) ) );
{
SafeQSignalSpy finishedSpy( &log_data, SIGNAL( loadingFinished( LoadingStatus ) ) );
// Add a couple more lines, including the end of the unfinished one.
if ( file.open( QIODevice::Append ) ) {
file.write( partial_line_end, qstrlen( partial_line_end ) );
for (int i = 0; i < 20; i++) {
snprintf(newLine, 89, sl_format, i);
file.write( newLine, qstrlen(newLine) );
}
}
file.close();
// and wait for the signals
ASSERT_TRUE( finishedSpy.wait( 1000 ) );
// Check we have a bigger file
ASSERT_THAT( changedSpy.count(), 2 );
ASSERT_THAT( finishedSpy.count(), 1 );
ASSERT_THAT( log_data.getNbLine(), 421LL );
ASSERT_THAT( log_data.getMaxLength(), SL_LINE_LENGTH );
ASSERT_THAT( log_data.getFileSize(), (qint64) ( 420 * (SL_LINE_LENGTH+1LL)
+ strlen( partial_line_begin ) + strlen( partial_line_end ) ) );
}
{
SafeQSignalSpy finishedSpy( &log_data, SIGNAL( loadingFinished( LoadingStatus ) ) );
// Truncate the file
QVERIFY( file.open( QIODevice::WriteOnly ) );
file.close();
// and wait for the signals
ASSERT_TRUE( finishedSpy.safeWait() );
// Check we have an empty file
ASSERT_THAT( changedSpy.count(), 3 );
ASSERT_THAT( finishedSpy.count(), 1 );
ASSERT_THAT( log_data.getNbLine(), 0LL );
ASSERT_THAT( log_data.getMaxLength(), 0 );
ASSERT_THAT( log_data.getFileSize(), 0LL );
}
}
class LogDataBehaviour : public testing::Test {
public:
LogDataBehaviour() {
generateDataFiles();
}
bool generateDataFiles() {
char newLine[90];
QFile file( TMPDIR "/smalllog.txt" );
if ( file.open( QIODevice::WriteOnly ) ) {
for (int i = 0; i < SL_NB_LINES; i++) {
snprintf(newLine, 89, sl_format, i);
file.write( newLine, qstrlen(newLine) );
}
}
else {
return false;
}
file.close();
return true;
}
};
TEST_F( LogDataBehaviour, interruptLoadYieldsAnEmptyFile ) {
LogData log_data;
SafeQSignalSpy endSpy( &log_data, SIGNAL( loadingFinished( LoadingStatus ) ) );
// Start loading the VBL
log_data.attachFile( TMPDIR "/verybiglog.txt" );
// Immediately interrupt the loading
log_data.interruptLoading();
ASSERT_TRUE( endSpy.safeWait( 10000 ) );
// Check we have an empty file
ASSERT_THAT( endSpy.count(), 1 );
QList<QVariant> arguments = endSpy.takeFirst();
ASSERT_THAT( arguments.at(0).toInt(),
static_cast<int>( LoadingStatus::Interrupted ) );
ASSERT_THAT( log_data.getNbLine(), 0LL );
ASSERT_THAT( log_data.getMaxLength(), 0 );
ASSERT_THAT( log_data.getFileSize(), 0LL );
}
TEST_F( LogDataBehaviour, cannotBeReAttached ) {
LogData log_data;
SafeQSignalSpy endSpy( &log_data, SIGNAL( loadingFinished( LoadingStatus ) ) );
log_data.attachFile( TMPDIR "/smalllog.txt" );
endSpy.safeWait( 10000 );
ASSERT_THROW( log_data.attachFile( TMPDIR "/verybiglog.txt" ), CantReattachErr );
}
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