Travis won: ported all test cases to Python

and disabled C++ companion test (still useful locally and
for debugging)

For the curious: QTemporaryFile is not working as expected

ci/travis/linux/qt4/script.sh

@@ -24,4 +24,4 @@ if [ "${TRAVIS_PULL_REQUEST}" != "false" ]; then
   chmod -R ugo-w ~/.ccache
 fi
 
-xvfb-run ctest -V -E 'qgis_openstreetmaptest|qgis_wcsprovidertest|qgis_ziplayertest|PyQgsDBManagerGpkg' -S ./qgis-test-travis.ctest --output-on-failure
+xvfb-run ctest -V -E 'qgis_filedownloader|qgis_openstreetmaptest|qgis_wcsprovidertest|qgis_ziplayertest|PyQgsDBManagerGpkg' -S ./qgis-test-travis.ctest --output-on-failure

ci/travis/linux/qt5/script.sh

@@ -25,5 +25,5 @@ fi
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
-xvfb-run ctest -V -E "qgis_openstreetmaptest|qgis_wcsprovidertest|qgis_ziplayertest|qgis_ogcutilstest|$(cat ${DIR}/blacklist.txt | paste -sd '|' -)" -S ./qgis-test-travis.ctest --output-on-failure
+xvfb-run ctest -V -E "qgis_filedownloader|qgis_openstreetmaptest|qgis_wcsprovidertest|qgis_ziplayertest|qgis_ogcutilstest|$(cat ${DIR}/blacklist.txt | paste -sd '|' -)" -S ./qgis-test-travis.ctest --output-on-failure
 # xvfb-run ctest -V -E "qgis_openstreetmaptest|qgis_wcsprovidertest" -S ./qgis-test-travis.ctest --output-on-failure

tests/src/gui/testqgsfiledownloader.cpp

@@ -139,7 +139,7 @@ void TestQgsFileDownloader::init()
   mError = false;
   mCompleted = false;
   mExited = false;
-  mTempFile = new QTemporaryFile( QDir::currentPath() + QDir::separator() + "qgs_filedownloader" );
+  mTempFile = new QTemporaryFile( );
   Q_ASSERT( mTempFile->open() );
   mTempFile->close();
 }

tests/src/python/test_qgsfiledownloader.py

@@ -61,6 +61,7 @@ def test_validDownload(self):
         """Tests a valid download"""
         destination = tempfile.mktemp()
         self._make_download('http://www.qgis.org', destination)
+        self.assertTrue(self.exited_was_called)
         self.assertTrue(self.completed_was_called)
         self.assertTrue(self.progress_was_called)
         self.assertFalse(self.canceled_was_called)
@@ -72,6 +73,7 @@ def test_inValidDownload(self):
         """Tests an invalid download"""
         destination = tempfile.mktemp()
         self._make_download('http://www.doesnotexistofthatimsure.qgis', destination)
+        self.assertTrue(self.exited_was_called)
         self.assertFalse(self.completed_was_called)
         self.assertTrue(self.progress_was_called)
         self.assertFalse(self.canceled_was_called)
@@ -83,15 +85,45 @@ def test_dowloadCanceled(self):
         """Tests user canceled download"""
         destination = tempfile.mktemp()
         self._make_download('https://github.com/qgis/QGIS/archive/master.zip', destination, True)
+        self.assertTrue(self.exited_was_called)
         self.assertFalse(self.completed_was_called)
         self.assertTrue(self.canceled_was_called)
         self.assertFalse(self.error_was_called)
         self.assertFalse(os.path.isfile(destination))
 
+    def test_InvalidUrl(self):
+        destination = tempfile.mktemp()
+        self._make_download('xyz://www', destination)
+        self.assertTrue(self.exited_was_called)
+        self.assertFalse(self.completed_was_called)
+        self.assertFalse(self.canceled_was_called)
+        self.assertTrue(self.error_was_called)
+        self.assertFalse(os.path.isfile(destination))
+        self.assertEqual(self.error_args[1], [u"Network error 301: Protocol \"xyz\" is unknown"])
+
+    def test_InvalidFile(self):
+        self._make_download('https://github.com/qgis/QGIS/archive/master.zip', "")
+        self.assertTrue(self.exited_was_called)
+        self.assertFalse(self.completed_was_called)
+        self.assertFalse(self.canceled_was_called)
+        self.assertTrue(self.error_was_called)
+        self.assertEqual(self.error_args[1], [u"Cannot open output file: "])
+
+    def test_BlankUrl(self):
+        destination = tempfile.mktemp()
+        self._make_download('', destination)
+        self.assertTrue(self.exited_was_called)
+        self.assertFalse(self.completed_was_called)
+        self.assertFalse(self.canceled_was_called)
+        self.assertTrue(self.error_was_called)
+        self.assertFalse(os.path.isfile(destination))
+        self.assertEqual(self.error_args[1], [u"Network error 301: Protocol \"\" is unknown"])
+
     def ssl_compare(self, name, url, error):
         destination = tempfile.mktemp()
         self._make_download(url, destination)
         msg = "Failed in %s: %s" % (name, url)
+        self.assertTrue(self.exited_was_called)
         self.assertFalse(self.completed_was_called, msg)
         self.assertFalse(self.canceled_was_called, msg)
         self.assertTrue(self.error_was_called, msg)