Unit tests for QgsDatumTransformDialog

qgis · Mar 22, 2019 · 236cb08 · 236cb08
1 parent 8d3f710
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diff --git a/src/gui/qgsdatumtransformdialog.h b/src/gui/qgsdatumtransformdialog.h
@@ -128,6 +128,8 @@ class GUI_EXPORT QgsDatumTransformDialog : public QDialog, private Ui::QgsDatumT
     QgsCoordinateReferenceSystem mSourceCrs;
     QgsCoordinateReferenceSystem mDestinationCrs;
     std::unique_ptr< QgsTemporaryCursorRestoreOverride > mPreviousCursorOverride;
+
+    friend class TestQgsDatumTransformDialog;
 };
 
 #endif // QGSDATUMTRANSFORMDIALOG_H
diff --git a/tests/src/gui/CMakeLists.txt b/tests/src/gui/CMakeLists.txt
@@ -121,6 +121,7 @@ ADD_QGIS_TEST(edittooltest testqgsmaptooledit.cpp)
 
 #ADD_QGIS_TEST(histogramtest testqgsrasterhistogram.cpp)
 ADD_QGIS_TEST(categorizedrendererwidget testqgscategorizedrendererwidget.cpp)
+ADD_QGIS_TEST(datumtransformdialog testqgsdatumtransformdialog.cpp)
 ADD_QGIS_TEST(doublespinbox testqgsdoublespinbox.cpp)
 ADD_QGIS_TEST(dualviewtest testqgsdualview.cpp)
 ADD_QGIS_TEST(attributeformtest testqgsattributeform.cpp)

diff --git a/tests/src/gui/testqgsdatumtransformdialog.cpp b/tests/src/gui/testqgsdatumtransformdialog.cpp
@@ -0,0 +1,144 @@
+/***************************************************************************
+    testqgsdatumtransformdialog.cpp
+     --------------------------------------
+    Date                 : March 2019
+    Copyright            : (C) 2019 Nyall Dawson
+    Email                : nyall dot dawson at gmail 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 "qgstest.h"
+
+#include "qgsdatumtransformdialog.h"
+#include "qgssettings.h"
+#include "qgsproject.h"
+
+class TestQgsDatumTransformDialog: 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 defaultTransform();
+    void shouldAskUser();
+    void applyDefaultTransform();
+    void runDialog();
+
+  private:
+
+};
+
+void TestQgsDatumTransformDialog::initTestCase()
+{
+  // initialize with test settings directory so we don't mess with user's stuff
+  QgsApplication::init( QDir::tempPath() + "/dot-qgis" );
+  QgsApplication::initQgis();
+  QgsApplication::createDatabase();
+  // output test environment
+  QgsApplication::showSettings();
+
+  // Set up the QgsSettings environment
+  QCoreApplication::setOrganizationName( QStringLiteral( "QGIS" ) );
+  QCoreApplication::setOrganizationDomain( QStringLiteral( "qgis.org" ) );
+  QCoreApplication::setApplicationName( QStringLiteral( "QGIS-TEST" ) );
+}
+
+void TestQgsDatumTransformDialog::cleanupTestCase()
+{
+}
+
+void TestQgsDatumTransformDialog::init()
+{
+}
+
+void TestQgsDatumTransformDialog::cleanup()
+{
+}
+
+void TestQgsDatumTransformDialog::defaultTransform()
+{
+  QgsDatumTransformDialog dlg( QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:26742" ) ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:4326" ) ) );
+
+  QgsDatumTransformDialog::TransformInfo def = dlg.defaultDatumTransform();
+  QCOMPARE( def.sourceCrs.authid(), QStringLiteral( "EPSG:26742" ) );
+  QCOMPARE( def.destinationCrs.authid(), QStringLiteral( "EPSG:4326" ) );
+  QCOMPARE( QgsDatumTransform::datumTransformToProj( def.sourceTransformId ), QStringLiteral( "+towgs84=-10,158,187" ) );
+  QCOMPARE( QgsDatumTransform::datumTransformToProj( def.destinationTransformId ), QString() );
+
+  // default should be initially selected
+  def = dlg.selectedDatumTransform();
+  QCOMPARE( def.sourceCrs.authid(), QStringLiteral( "EPSG:26742" ) );
+  QCOMPARE( def.destinationCrs.authid(), QStringLiteral( "EPSG:4326" ) );
+  QCOMPARE( QgsDatumTransform::datumTransformToProj( def.sourceTransformId ), QStringLiteral( "+towgs84=-10,158,187" ) );
+  QCOMPARE( QgsDatumTransform::datumTransformToProj( def.destinationTransformId ), QString() );
+
+  QgsDatumTransformDialog dlg2( QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:4326" ) ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:26742" ) ) );
+  def = dlg2.defaultDatumTransform();
+  QCOMPARE( def.sourceCrs.authid(), QStringLiteral( "EPSG:4326" ) );
+  QCOMPARE( def.destinationCrs.authid(), QStringLiteral( "EPSG:26742" ) );
+  QCOMPARE( QgsDatumTransform::datumTransformToProj( def.sourceTransformId ), QString() );
+  QCOMPARE( QgsDatumTransform::datumTransformToProj( def.destinationTransformId ), QStringLiteral( "+towgs84=-10,158,187" ) );
+
+}
+
+void TestQgsDatumTransformDialog::shouldAskUser()
+{
+  // no prompts!
+  QgsSettings().setValue( QStringLiteral( "/projections/promptWhenMultipleTransformsExist" ), false, QgsSettings::App );
+  QgsDatumTransformDialog dlg( QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:26742" ) ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:4326" ) ) );
+  QVERIFY( !dlg.shouldAskUserForSelection() );
+  QgsDatumTransformDialog dlg2( QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:26742" ) ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:7406" ) ) );
+  QVERIFY( !dlg2.shouldAskUserForSelection() );
+
+//prompts
+  QgsSettings().setValue( QStringLiteral( "/projections/promptWhenMultipleTransformsExist" ), true, QgsSettings::App );
+  QgsDatumTransformDialog dlg3( QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:26742" ) ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:4326" ) ) );
+  QVERIFY( dlg3.shouldAskUserForSelection() );
+  QgsDatumTransformDialog dlg4( QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:26742" ) ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:7406" ) ) );
+  QVERIFY( !dlg4.shouldAskUserForSelection() );
+}
+
+void TestQgsDatumTransformDialog::applyDefaultTransform()
+{
+  QgsSettings().setValue( QStringLiteral( "/projections/promptWhenMultipleTransformsExist" ), false, QgsSettings::App );
+
+  QgsDatumTransformDialog dlg( QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:26742" ) ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:7406" ) ) );
+  dlg.applyDefaultTransform();
+  QVERIFY( QgsProject::instance()->transformContext().sourceDestinationDatumTransforms().isEmpty() );
+
+  QgsDatumTransformDialog dlg2( QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:26742" ) ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:4326" ) ) );
+  dlg2.applyDefaultTransform();
+
+  QVERIFY( !QgsProject::instance()->transformContext().sourceDestinationDatumTransforms().isEmpty() );
+  QCOMPARE( QgsDatumTransform::datumTransformToProj( QgsProject::instance()->transformContext().calculateDatumTransforms( QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:26742" ) ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:4326" ) ) ).sourceTransformId ), QStringLiteral( "+towgs84=-10,158,187" ) );
+  QgsProject::instance()->clear();
+}
+
+void TestQgsDatumTransformDialog::runDialog()
+{
+  QgsSettings().setValue( QStringLiteral( "/projections/promptWhenMultipleTransformsExist" ), false, QgsSettings::App );
+
+  QVERIFY( QgsDatumTransformDialog::run( QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:26742" ) ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:7406" ) ) ) );
+  QVERIFY( QgsProject::instance()->transformContext().sourceDestinationDatumTransforms().isEmpty() );
+
+  QVERIFY( QgsDatumTransformDialog::run( QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:26742" ) ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:4326" ) ) ) );
+
+  QVERIFY( !QgsProject::instance()->transformContext().sourceDestinationDatumTransforms().isEmpty() );
+  QCOMPARE( QgsDatumTransform::datumTransformToProj( QgsProject::instance()->transformContext().calculateDatumTransforms( QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:26742" ) ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:4326" ) ) ).sourceTransformId ), QStringLiteral( "+towgs84=-10,158,187" ) );
+  QgsProject::instance()->clear();
+  QVERIFY( QgsDatumTransformDialog::run( QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:26742" ) ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:4326" ) ) ) );
+}
+
+
+QGSTEST_MAIN( TestQgsDatumTransformDialog )
+#include "testqgsdatumtransformdialog.moc"