Initial unit test for raster layer class

Includes a simple 10x10 raster supplied by Enrico Chiaradia


git-svn-id: http://svn.osgeo.org/qgis/trunk@7649 c8812cc2-4d05-0410-92ff-de0c093fc19c

CMakeLists.txt

@@ -275,6 +275,10 @@ IF (HAVE_PYTHON)
 ENDIF (HAVE_PYTHON)
 
 IF (ENABLE_TESTS)
+  #create a variable to specify where our test data is
+  #so that unit tests can use TEST_DATA_DIR to locate
+  #the test data. See CMakeLists in test dirs for more info
+  SET (TEST_DATA_DIR "${CMAKE_CURRENT_SOURCE_DIR}/tests/testdata")
   SUBDIRS(tests)
 ENDIF (ENABLE_TESTS)
 

tests/src/core/CMakeLists.txt

@@ -4,13 +4,17 @@
 INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR} 
   ${CMAKE_CURRENT_BINARY_DIR}
   ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/core
+  ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/core/raster
   ${QT_INCLUDE_DIR}
   ${GDAL_INCLUDE_DIR}
   ${PROJ_INCLUDE_DIR}
   ${GEOS_INCLUDE_DIR}
   )
 
-# expect that classes are being IMPORTED for the exe
+#############################################################
+# Compiler defines
+
+# expect that classes are being IMPORTED for the tests
 IF (WIN32)
   # expect that classes are being imported
   # Note: MSVC doesn't like when the macros are quotes
@@ -28,6 +32,11 @@ IF (WIN32)
   ENDIF (MSVC)
 ENDIF (WIN32)
 
+# This define is used for tests that need to locate the test
+# data under tests/testdata in the qgis source tree.
+# the TEST_DATA_DIR variable is set in the top level CMakeLists.txt
+ADD_DEFINITIONS(-DTEST_DATA_DIR="\\"${TEST_DATA_DIR}\\"")
+
 #############################################################
 # libraries
 
@@ -76,5 +85,18 @@ ADD_DEPENDENCIES(qgis_filewritertest qgis_filewritertestmoc)
 TARGET_LINK_LIBRARIES(qgis_filewritertest ${QT_LIBRARIES} qgis_core)
 INSTALL(TARGETS qgis_filewritertest RUNTIME DESTINATION ${QGIS_BIN_DIR})
 ADD_TEST(qgis_filewritertest ${QGIS_BIN_DIR}/qgis_filewritertest)
+#
+# QgsRasterLayer test
+#
+SET(qgis_rasterlayertest_SRCS testqgsrasterlayer.cpp)
+SET(qgis_rasterlayertest_MOC_CPPS testqgsrasterlayer.cpp)
+QT4_WRAP_CPP(qgis_rasterlayertest_MOC_SRCS ${qgis_rasterlayertest_MOC_CPPS})
+ADD_CUSTOM_TARGET(qgis_rasterlayertestmoc ALL DEPENDS ${qgis_rasterlayertest_MOC_SRCS})
+ADD_EXECUTABLE(qgis_rasterlayertest ${qgis_rasterlayertest_SRCS})
+ADD_DEPENDENCIES(qgis_rasterlayertest qgis_rasterlayertestmoc)
+TARGET_LINK_LIBRARIES(qgis_rasterlayertest ${QT_LIBRARIES} qgis_core)
+INSTALL(TARGETS qgis_rasterlayertest RUNTIME DESTINATION ${QGIS_BIN_DIR})
+ADD_TEST(qgis_rasterlayertest ${QGIS_BIN_DIR}/qgis_rasterlayertest)
+
 
 

tests/src/core/testqgsrasterlayer.cpp

@@ -0,0 +1,77 @@
+/***************************************************************************
+     testqgsvectorfilewriter.cpp
+     --------------------------------------
+    Date                 : Sun Sep 16 12:22:54 AKDT 2007
+    Copyright            : (C) 2007 by Gary E. Sherman
+    Email                : sherman at mrcc dot 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 <QStringList>
+#include <QObject>
+#include <iostream>
+#include <QApplication>
+#include <QFileInfo>
+#include <QDir>
+
+//qgis includes...
+#include <qgsrasterlayer.h> 
+#include <qgsapplication.h>
+
+/** \ingroup UnitTests
+ * This is a unit test for the QgsRasterLayer class.
+ */
+class TestQgsRasterLayer: public QObject
+{
+  Q_OBJECT;
+  private slots:
+    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.
+
+    void isValid();
+
+  private:
+    QgsRasterLayer * mpLayer;
+};
+
+void TestQgsRasterLayer::initTestCase()
+{
+  // init QGIS's paths - true means that all path will be inited from prefix
+  QString qgisPath = QCoreApplication::applicationDirPath ();
+  QgsApplication::setPrefixPath(qgisPath, TRUE);
+#ifdef Q_OS_LINUX
+  QgsApplication::setPkgDataPath(qgisPath + "/../share/qgis");
+#endif
+  //create some objects that will be used in all tests...
+
+  std::cout << "Prefix  PATH: " << QgsApplication::prefixPath().toLocal8Bit().data() << std::endl;
+  std::cout << "Plugin  PATH: " << QgsApplication::pluginPath().toLocal8Bit().data() << std::endl;
+  std::cout << "PkgData PATH: " << QgsApplication::pkgDataPath().toLocal8Bit().data() << std::endl;
+  std::cout << "User DB PATH: " << QgsApplication::qgisUserDbFilePath().toLocal8Bit().data() << std::endl;
+
+  //create a raster layer that will be used in all tests...
+  QString myFileName (TEST_DATA_DIR); //defined in CmakeLists.txt
+  myFileName = myFileName + QDir::separator() + "tenbytenraster.asc";
+  QFileInfo myRasterFileInfo ( myFileName );
+  mpLayer = new QgsRasterLayer ( myRasterFileInfo.filePath(),
+            myRasterFileInfo.completeBaseName() );
+}
+
+void TestQgsRasterLayer::isValid()
+{
+  QVERIFY ( mpLayer->isValid() );
+}
+
+QTEST_MAIN(TestQgsRasterLayer)
+#include "moc_testqgsrasterlayer.cxx"
+

tests/testdata/tenbytenraster.asc

@@ -0,0 +1,19 @@
+NCOLS 10
+NROWS 10
+XLLCENTER 1535380.000000
+YLLCENTER 5083260.000000
+DX 10
+DY 10
+NODATA_VALUE -9999
+0 1 2 3 4 5 6 7 8 9
+0 1 2 3 4 5 6 7 8 9
+0 1 2 3 4 5 6 7 8 9
+0 1 2 3 4 5 6 7 8 9
+0 1 2 3 4 5 6 7 8 9
+0 1 2 3 4 5 6 7 8 9
+0 1 2 3 4 5 6 7 8 9
+0 1 2 3 4 5 6 7 8 9
+0 1 2 3 4 5 6 7 8 9
+0 1 2 3 4 5 6 7 8 9
+PROJECTION
+NOTES