Merge pull request #5084 from pblottiere/server_bugfix_ogc_mode

[server][bugfix] Fixes OGC test on getmap:each-format mode for 1bit/8bit/16bit

src/server/services/wms/qgswmsutils.cpp

@@ -94,7 +94,7 @@ namespace QgsWms
                                     QRegularExpression::CaseInsensitiveOption );
 
       QRegularExpressionMatch match = modeExpr.match( format );
-      QString mode = match.captured();
+      QString mode = match.captured( 1 );
       if ( mode.compare( QLatin1String( "16bit" ), Qt::CaseInsensitive ) == 0 )
         return PNG16;
       if ( mode.compare( QLatin1String( "8bit" ), Qt::CaseInsensitive ) == 0 )

tests/src/python/test_qgsserver.py

@@ -163,7 +163,7 @@ class QgsServerTestBase(unittest.TestCase):
         control.setRenderedImage(temp_image)
         if max_size_diff.isValid():
             control.setSizeTolerance(max_size_diff.width(), max_size_diff.height())
-        return control.compareImages(control_image), control.report()
+        return control.compareImages(control_image, max_diff), control.report()
 
     def _img_diff_error(self, response, headers, image, max_diff=10, max_size_diff=QSize()):
         self.assertEqual(

tests/src/python/test_qgsserver_wms.py

@@ -176,6 +176,61 @@ class TestQgsServerWMS(QgsServerTestBase):
         for request in ('GetCapabilities',):
             self.wms_inspire_request_compare(request)
 
+    def test_wms_getmap_basic_mode(self):
+        # 1 bits
+        qs = "?" + "&".join(["%s=%s" % i for i in list({
+            "MAP": urllib.parse.quote(self.projectPath),
+            "SERVICE": "WMS",
+            "VERSION": "1.1.1",
+            "REQUEST": "GetMap",
+            "LAYERS": "Country",
+            "STYLES": "",
+            "FORMAT": "image/png; mode=1bit",
+            "BBOX": "-16817707,-4710778,5696513,14587125",
+            "HEIGHT": "500",
+            "WIDTH": "500",
+            "CRS": "EPSG:3857"
+        }.items())])
+
+        r, h = self._result(self._execute_request(qs))
+        self._img_diff_error(r, h, "WMS_GetMap_Mode_1bit", 20000)
+
+        # 8 bits
+        qs = "?" + "&".join(["%s=%s" % i for i in list({
+            "MAP": urllib.parse.quote(self.projectPath),
+            "SERVICE": "WMS",
+            "VERSION": "1.1.1",
+            "REQUEST": "GetMap",
+            "LAYERS": "Country",
+            "STYLES": "",
+            "FORMAT": "image/png; mode=8bit",
+            "BBOX": "-16817707,-4710778,5696513,14587125",
+            "HEIGHT": "500",
+            "WIDTH": "500",
+            "CRS": "EPSG:3857"
+        }.items())])
+
+        r, h = self._result(self._execute_request(qs))
+        self._img_diff_error(r, h, "WMS_GetMap_Mode_8bit", 20000)
+
+        # 16 bits
+        qs = "?" + "&".join(["%s=%s" % i for i in list({
+            "MAP": urllib.parse.quote(self.projectPath),
+            "SERVICE": "WMS",
+            "VERSION": "1.1.1",
+            "REQUEST": "GetMap",
+            "LAYERS": "Country",
+            "STYLES": "",
+            "FORMAT": "image/png; mode=16bit",
+            "BBOX": "-16817707,-4710778,5696513,14587125",
+            "HEIGHT": "500",
+            "WIDTH": "500",
+            "CRS": "EPSG:3857"
+        }.items())])
+
+        r, h = self._result(self._execute_request(qs))
+        self._img_diff_error(r, h, "WMS_GetMap_Mode_16bit", 20000)
+
     def test_wms_getmap_basic(self):
         qs = "?" + "&".join(["%s=%s" % i for i in list({
             "MAP": urllib.parse.quote(self.projectPath),