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testziplayer.cpp
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testziplayer.cpp
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/***************************************************************************
testziplayer.cpp
--------------------------------------
Date : Sun Sep 16 12:22:23 AKDT 2007
Copyright : (C) 2012 Etienne Tourigny and Tim Sutton
Email : etourigny.dev@gmail.com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <QtTest>
#include <QObject>
#include <QString>
#include <QObject>
#include <QApplication>
#include <QFileInfo>
//qgis includes...
#include <qgsapplication.h>
#include <qgsproviderregistry.h>
#include <qgsvectorlayer.h>
#include <qgsrasterlayer.h>
#include <qgsdataitem.h>
#include "qgsconfig.h"
#include <qgsrenderer.h>
#include <qgsuniquevaluerenderer.h>
#include <gdal.h>
/** \ingroup UnitTests
* This is a unit test to verify that zip vector layers work
*/
class TestZipLayer: public QObject
{
Q_OBJECT;
private:
QString mDataDir;
int mMaxScanZipSetting;
int mScanZipSetting;
// get map layer using Passthru
QgsMapLayer * getLayer( QString myPath, QString myName, QString myProviderKey );
bool testZipItemPassthru( QString myFileName, QString myProviderKey );
// get map layer using QgsZipItem (only 1 child)
QgsMapLayer * getZipLayer( QString myPath, QString myName );
// test item(s) in zip item (supply name or test all)
bool testZipItem( QString myFileName, QString myChildName );
// get layer transparency to test for .qml loading
int getLayerTransparency( QString myFileName, QString myProviderKey, int myScanZipSetting = 1 );
private slots:
// init / cleanup
void initTestCase();// will be called before the first testfunction is executed.
void cleanupTestCase();// will be called after the last testfunction was executed.
void init() {};// will be called before each testfunction is executed.
void cleanup() {};// will be called after every testfunction.
// tests
// test for .zip and .gz files using all options
void testPassthruVectorZip();
void testPassthruVectorGzip();
void testPassthruRasterZip();
void testPassthruRasterGzip();
// test both "Basic Scan" and "Full scan" for .zip files
void testZipItemRaster();
void testZipItemVector();
void testZipItemAll();
// test that styles are loaded from .qml files outside zip files
void testZipItemVectorTransparency();
void testGZipItemVectorTransparency();
void testZipItemRasterTransparency();
void testGZipItemRasterTransparency();
};
QgsMapLayer *TestZipLayer::getLayer( QString myPath, QString myName, QString myProviderKey )
{
if ( myName == "" )
{
QFileInfo myFileInfo( myPath );
myName = myFileInfo.completeBaseName();
}
QgsMapLayer *myLayer = NULL;
if ( myProviderKey == "ogr" )
{
myLayer = new QgsVectorLayer( myPath, myName, "ogr" );
}
else if ( myProviderKey == "gdal" )
{
myLayer = new QgsRasterLayer( myPath, myName, "gdal" );
}
// item should not have other provider key, but if it does will return NULL
return myLayer;
}
QgsMapLayer *TestZipLayer::getZipLayer( QString myPath, QString myName )
{
QgsMapLayer *myLayer = NULL;
QgsDirectoryItem *dirItem = new QgsDirectoryItem( NULL, "/", "" );
QgsDataItem* myItem = QgsZipItem::itemFromPath( dirItem, myPath, myName );
if ( myItem )
{
QgsLayerItem *layerItem = dynamic_cast<QgsLayerItem*>( myItem );
if ( layerItem )
myLayer = getLayer( layerItem->path(), layerItem->name(), layerItem->providerKey() );
}
delete dirItem;
return myLayer;
}
bool TestZipLayer::testZipItemPassthru( QString myFileName, QString myProviderKey )
{
QgsMapLayer * myLayer = getLayer( myFileName, "", myProviderKey );
bool ok = myLayer && myLayer->isValid();
if ( myLayer )
delete myLayer;
return ok;
}
bool TestZipLayer::testZipItem( QString myFileName, QString myChildName = "" )
{
QgsDebugMsg( QString( "\n=======================================\nfile = %1 name = %2" ).arg( myFileName ).arg( myChildName ) );
QFileInfo myFileInfo( myFileName );
QgsZipItem *myZipItem = new QgsZipItem( NULL, myFileInfo.fileName(), myFileName );
myZipItem->populate();
bool ok = false;
QVector<QgsDataItem*> myChildren = myZipItem->children();
if ( myChildren.size() > 0 )
{
QgsDebugMsg( QString( "has %1 items" ).arg( myChildren.size() ) );
foreach( QgsDataItem* item, myChildren )
{
QgsDebugMsg( QString( "child name=%1" ).arg( item->name() ) );
QgsLayerItem *layerItem = dynamic_cast<QgsLayerItem*>( item );
if ( layerItem )
{
QgsDebugMsg( QString( "child name=%1 provider=%2 path=%3" ).arg( layerItem->name() ).arg( layerItem->providerKey() ).arg( layerItem->path() ) );
if ( myChildName == "" || myChildName == item->name() )
{
QgsMapLayer* layer = getLayer( layerItem->path(), layerItem->name(), layerItem->providerKey() );
if ( layer != NULL )
{
// we got a layer, check if it is valid and exit
// if no child name given in argument, then pass to next one (unless current child is invalid)
QgsDebugMsg( QString( "valid: %1" ).arg( layer->isValid() ) );
ok = layer->isValid();
delete layer;
if ( ! ok )
{
QWARN( QString( "Invalid layer %1" ).arg( layerItem->path() ).toLocal8Bit().data() );
}
if ( myChildName == "" )
{
if ( ! ok )
break;
}
else
{
break;
}
}
else
{
QWARN( QString( "Invalid layer %1" ).arg( layerItem->path() ).toLocal8Bit().data() );
break;
}
}
}
else
{
QWARN( QString( "Invalid layer %1" ).arg( layerItem->path() ).toLocal8Bit().data() );
break;
}
}
}
delete myZipItem;
return ok;
}
int TestZipLayer::getLayerTransparency( QString myFileName, QString myProviderKey, int myScanZipSetting )
{
int myTransparency = -1;
QSettings settings;
settings.setValue( "/qgis/scanZipInBrowser", myScanZipSetting );
if ( myScanZipSetting != settings.value( "/qgis/scanZipInBrowser" ).toInt() )
return myTransparency;
QgsMapLayer * myLayer = NULL;
if ( myScanZipSetting == 1 )
myLayer = getLayer( myFileName, "", myProviderKey );
else
myLayer = getZipLayer( myFileName, "" );
if ( myLayer && myLayer->isValid() )
myTransparency = myLayer->getTransparency();
else
QWARN( QString( "Could not open filename %1 using %2 provider" ).arg( myFileName ).arg( myProviderKey ).toLocal8Bit().data() );
if ( myLayer )
delete myLayer;
return myTransparency;
}
// slots
void TestZipLayer::initTestCase()
{
QgsApplication::init();
QgsApplication::initQgis();
// save data dir
mDataDir = QString( TEST_DATA_DIR ) + QDir::separator();
// Set up the QSettings environment
QCoreApplication::setOrganizationName( "QuantumGIS" );
QCoreApplication::setOrganizationDomain( "qgis.org" );
QCoreApplication::setApplicationName( "QGIS-TEST" );
// save current zipSetting value
QSettings settings;
mScanZipSetting = settings.value( "/qgis/scanZipInBrowser", 1 ).toInt();
// max zipSetting value depends on zlib presence
mMaxScanZipSetting = 1;
#ifdef HAVE_ZLIB
mMaxScanZipSetting = 3;
#endif
}
void TestZipLayer::cleanupTestCase()
{
// restore zipSetting
QSettings settings;
settings.setValue( "/qgis/scanZipInBrowser", mScanZipSetting );
}
void TestZipLayer::testPassthruVectorZip()
{
QSettings settings;
QString myFileName = mDataDir + "points2.zip";
QgsDebugMsg( "GDAL: " + QString( GDAL_RELEASE_NAME ) );
#if GDAL_VERSION_NUM < 1800
myFileName = "/vsizip/" + myFileName + "/points.shp";
#endif
QgsDebugMsg( "FILE: " + QString( myFileName ) );
for ( int i = 1 ; i <= mMaxScanZipSetting ; i++ )
{
settings.setValue( "/qgis/scanZipInBrowser", i );
QVERIFY( i == settings.value( "/qgis/scanZipInBrowser" ).toInt() );
QVERIFY( testZipItemPassthru( myFileName, "ogr" ) );
}
}
void TestZipLayer::testPassthruVectorGzip()
{
QSettings settings;
#if GDAL_VERSION_NUM < 1700
QSKIP( "This test requires GDAL > 1.7", SkipSingle );
#endif
for ( int i = 1 ; i <= mMaxScanZipSetting ; i++ )
{
settings.setValue( "/qgis/scanZipInBrowser", i );
QVERIFY( i == settings.value( "/qgis/scanZipInBrowser" ).toInt() );
QVERIFY( testZipItemPassthru( mDataDir + "points3.geojson.gz", "ogr" ) );
}
}
void TestZipLayer::testPassthruRasterZip()
{
QSettings settings;
for ( int i = 1 ; i <= mMaxScanZipSetting ; i++ )
{
settings.setValue( "/qgis/scanZipInBrowser", i );
QVERIFY( i == settings.value( "/qgis/scanZipInBrowser" ).toInt() );
QVERIFY( testZipItemPassthru( mDataDir + "landsat_b1.zip", "gdal" ) );
}
}
void TestZipLayer::testPassthruRasterGzip()
{
QSettings settings;
for ( int i = 1 ; i <= mMaxScanZipSetting ; i++ )
{
settings.setValue( "/qgis/scanZipInBrowser", i );
QVERIFY( i == settings.value( "/qgis/scanZipInBrowser" ).toInt() );
QVERIFY( testZipItemPassthru( mDataDir + "landsat_b1.tif.gz", "gdal" ) );
}
}
void TestZipLayer::testZipItemRaster()
{
QSettings settings;
#ifndef HAVE_ZLIB
QSKIP( "This test requires ZLIB", SkipSingle );
#endif
for ( int i = 2 ; i <= mMaxScanZipSetting ; i++ )
{
settings.setValue( "/qgis/scanZipInBrowser", i );
QVERIFY( i == settings.value( "/qgis/scanZipInBrowser" ).toInt() );
QVERIFY( testZipItem( mDataDir + "testzip.zip", "landsat_b1.tif" ) );
}
}
void TestZipLayer::testZipItemVector()
{
QSettings settings;
#ifndef HAVE_ZLIB
QSKIP( "This test requires ZLIB", SkipSingle );
#endif
for ( int i = 2 ; i <= mMaxScanZipSetting ; i++ )
{
settings.setValue( "/qgis/scanZipInBrowser", i );
QVERIFY( i == settings.value( "/qgis/scanZipInBrowser" ).toInt() );
QVERIFY( testZipItem( mDataDir + "testzip.zip", "points.shp" ) );
}
}
void TestZipLayer::testZipItemAll()
{
#ifndef HAVE_ZLIB
QSKIP( "This test requires ZLIB", SkipSingle );
#endif
// test file contains invalid items (tmp1.tif, tmp1.txt and tmp1.xml)
// test for all items inside zip, using zipSetting 3 (Full Scan) which will ignore invalid items
// using zipSetting 2 (Basic Scan) would raise errors, because QgsZipItem would not test for valid items
// and return child names of the invalid items
QSettings settings;
settings.setValue( "/qgis/scanZipInBrowser", 3 );
QVERIFY( 3 == settings.value( "/qgis/scanZipInBrowser" ).toInt() );
QVERIFY( testZipItem( mDataDir + "testzip.zip", "" ) );
}
void TestZipLayer::testZipItemVectorTransparency()
{
#if GDAL_VERSION_NUM < 1800
QSKIP( "This test requires GDAL > 1.8", SkipSingle );
#endif
int myTarget = 250;
int myTransparency = getLayerTransparency( mDataDir + "points2.zip", "ogr", 1 );
QVERIFY2(( myTransparency == myTarget ), QString( "Transparency is %1, should be %2" ).arg( myTransparency ).arg( myTarget ).toLocal8Bit().data() );
myTransparency = getLayerTransparency( mDataDir + "points2.zip", "ogr", 2 );
QVERIFY2(( myTransparency == myTarget ), QString( "Transparency is %1, should be %2" ).arg( myTransparency ).arg( myTarget ).toLocal8Bit().data() );
}
void TestZipLayer::testGZipItemVectorTransparency()
{
#if GDAL_VERSION_NUM < 1700
QSKIP( "This test requires GDAL > 1.7", SkipSingle );
#endif
int myTarget = 250;
int myTransparency = getLayerTransparency( mDataDir + "points3.geojson.gz", "ogr", 1 );
QVERIFY2(( myTransparency == myTarget ), QString( "Transparency is %1, should be %2" ).arg( myTransparency ).arg( myTarget ).toLocal8Bit().data() );
myTransparency = getLayerTransparency( mDataDir + "points3.geojson.gz", "ogr", 2 );
QVERIFY2(( myTransparency == myTarget ), QString( "Transparency is %1, should be %2" ).arg( myTransparency ).arg( myTarget ).toLocal8Bit().data() );
}
void TestZipLayer::testZipItemRasterTransparency()
{
int myTarget = 250;
int myTransparency = getLayerTransparency( mDataDir + "landsat_b1.zip", "gdal", 1 );
QVERIFY2(( myTransparency == myTarget ), QString( "Transparency is %1, should be %2" ).arg( myTransparency ).arg( myTarget ).toLocal8Bit().data() );
myTransparency = getLayerTransparency( mDataDir + "landsat_b1.zip", "gdal", 2 );
QVERIFY2(( myTransparency == myTarget ), QString( "Transparency is %1, should be %2" ).arg( myTransparency ).arg( myTarget ).toLocal8Bit().data() );
}
void TestZipLayer::testGZipItemRasterTransparency()
{
int myTarget = 250;
int myTransparency = getLayerTransparency( mDataDir + "landsat_b1.tif.gz", "gdal", 1 );
QVERIFY2(( myTransparency == myTarget ), QString( "Transparency is %1, should be %2" ).arg( myTransparency ).arg( myTarget ).toLocal8Bit().data() );
myTransparency = getLayerTransparency( mDataDir + "landsat_b1.tif.gz", "gdal", 2 );
QVERIFY2(( myTransparency == myTarget ), QString( "Transparency is %1, should be %2" ).arg( myTransparency ).arg( myTarget ).toLocal8Bit().data() );
}
QTEST_MAIN( TestZipLayer )
#include "moc_testziplayer.cxx"