Add unit tests for loading projects with custom layer order

Refs #18620 (cherry-picked from 222977f)
qgis · Apr 9, 2018 · 7978bfd8d8c3a8c8e5c927135d6008b713a7a57d · 7978bfd
1 parent cbb19e6
commit 7978bfd8d8c3a8c8e5c927135d6008b713a7a57d
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diff --git a/tests/src/python/test_qgsproject.py b/tests/src/python/test_qgsproject.py
@@ -857,6 +857,36 @@ def testSymbolicLinkInProjectPath(self):
             self.assertTrue('source="./points.shp"' in content)
             self.assertTrue('source="./landsat_4326.tif"' in content)
 
+    def testCustomLayerOrderFrom2xProject(self):
+        prj = QgsProject.instance()
+        prj.read(os.path.join(TEST_DATA_DIR, 'layer_rendering_order_issue_qgis3.qgs'))
+
+        layer_x = prj.mapLayers()['x20180406151213536']
+        layer_y = prj.mapLayers()['y20180406151217017']
+
+        # check layer order
+        tree = prj.layerTreeRoot()
+        self.assertEqual(tree.children()[0].layer(), layer_x)
+        self.assertEqual(tree.children()[1].layer(), layer_y)
+        self.assertTrue(tree.hasCustomLayerOrder())
+        self.assertEqual(tree.customLayerOrder(), [layer_y, layer_x])
+        self.assertEqual(tree.layerOrder(), [layer_y, layer_x])
+
+    def testCustomLayerOrderFrom3xProject(self):
+        prj = QgsProject.instance()
+        prj.read(os.path.join(TEST_DATA_DIR, 'layer_rendering_order_qgis3_project.qgs'))
+
+        layer_x = prj.mapLayers()['x20180406151213536']
+        layer_y = prj.mapLayers()['y20180406151217017']
+
+        # check layer order
+        tree = prj.layerTreeRoot()
+        self.assertEqual(tree.children()[0].layer(), layer_x)
+        self.assertEqual(tree.children()[1].layer(), layer_y)
+        self.assertTrue(tree.hasCustomLayerOrder())
+        self.assertEqual(tree.customLayerOrder(), [layer_y, layer_x])
+        self.assertEqual(tree.layerOrder(), [layer_y, layer_x])
+
 
 if __name__ == '__main__':
     unittest.main()
diff --git a/tests/testdata/layer_rendering_order_issue_qgis3.qgs b/tests/testdata/layer_rendering_order_issue_qgis3.qgs
@@ -0,0 +1,308 @@
+<!DOCTYPE qgis PUBLIC 'http://mrcc.com/qgis.dtd' 'SYSTEM'>
+<qgis projectname="" version="2.18.17">
+  <title></title>
+  <autotransaction active="0"/>
+  <evaluateDefaultValues active="0"/>
+  <layer-tree-group expanded="1" checked="Qt::Checked" name="">
+    <customproperties/>
+    <layer-tree-layer expanded="1" providerKey="memory" checked="Qt::Checked" id="x20180406151213536" source="point?crs=EPSG:4326&amp;memoryid={053397c2-059b-4308-ad76-5d8c309444fa}" name="x">
+      <customproperties/>
+    </layer-tree-layer>
+    <layer-tree-layer expanded="1" providerKey="memory" checked="Qt::Checked" id="y20180406151217017" source="point?crs=EPSG:4326&amp;memoryid={2e6c36f3-69a2-41ef-83a8-21e2aec6cbfd}" name="y">
+      <customproperties/>
+    </layer-tree-layer>
+  </layer-tree-group>
+  <relations/>
+  <mapcanvas>
+    <units>degrees</units>
+    <extent>
+      <xmin>-1</xmin>
+      <ymin>-1</ymin>
+      <xmax>1</xmax>
+      <ymax>1</ymax>
+    </extent>
+    <rotation>0</rotation>
+    <projections>0</projections>
+    <destinationsrs>
+      <spatialrefsys>
+        <proj4>+proj=longlat +datum=WGS84 +no_defs</proj4>
+        <srsid>3452</srsid>
+        <srid>4326</srid>
+        <authid>EPSG:4326</authid>
+        <description>WGS 84</description>
+        <projectionacronym>longlat</projectionacronym>
+        <ellipsoidacronym>WGS84</ellipsoidacronym>
+        <geographicflag>true</geographicflag>
+      </spatialrefsys>
+    </destinationsrs>
+    <rendermaptile>0</rendermaptile>
+    <layer_coordinate_transform_info/>
+  </mapcanvas>
+  <layer-tree-canvas>
+    <custom-order enabled="1">
+      <item>y20180406151217017</item>
+      <item>x20180406151213536</item>
+    </custom-order>
+  </layer-tree-canvas>
+  <legend updateDrawingOrder="false">
+    <legendlayer drawingOrder="1" open="true" checked="Qt::Checked" name="x" showFeatureCount="0">
+      <filegroup open="true" hidden="false">
+        <legendlayerfile isInOverview="0" layerid="x20180406151213536" visible="1"/>
+      </filegroup>
+    </legendlayer>
+    <legendlayer drawingOrder="0" open="true" checked="Qt::Checked" name="y" showFeatureCount="0">
+      <filegroup open="true" hidden="false">
+        <legendlayerfile isInOverview="0" layerid="y20180406151217017" visible="1"/>
+      </filegroup>
+    </legendlayer>
+  </legend>
+  <projectlayers>
+    <maplayer simplifyAlgorithm="0" minimumScale="0" maximumScale="1e+08" simplifyDrawingHints="1" minLabelScale="0" maxLabelScale="1e+08" simplifyDrawingTol="1" readOnly="0" geometry="Point" simplifyMaxScale="1" type="vector" hasScaleBasedVisibilityFlag="0" simplifyLocal="1" scaleBasedLabelVisibilityFlag="0">
+      <id>x20180406151213536</id>
+      <datasource>memory?geometry=Point&amp;crs=EPSG:4326</datasource>
+      <keywordList>
+        <value></value>
+      </keywordList>
+      <layername>x</layername>
+      <srs>
+        <spatialrefsys>
+          <proj4>+proj=longlat +datum=WGS84 +no_defs</proj4>
+          <srsid>3452</srsid>
+          <srid>4326</srid>
+          <authid>EPSG:4326</authid>
+          <description>WGS 84</description>
+          <projectionacronym>longlat</projectionacronym>
+          <ellipsoidacronym>WGS84</ellipsoidacronym>
+          <geographicflag>true</geographicflag>
+        </spatialrefsys>
+      </srs>
+      <provider encoding="System">memory</provider>
+      <vectorjoins/>
+      <layerDependencies/>
+      <expressionfields/>
+      <map-layer-style-manager current="">
+        <map-layer-style name=""/>
+      </map-layer-style-manager>
+      <edittypes/>
+      <renderer-v2 forceraster="0" symbollevels="0" type="singleSymbol" enableorderby="0">
+        <symbols>
+          <symbol alpha="1" clip_to_extent="1" type="marker" name="0">
+            <layer pass="0" class="SimpleMarker" locked="0">
+              <prop k="angle" v="0"/>
+              <prop k="color" v="81,139,114,255"/>
+              <prop k="horizontal_anchor_point" v="1"/>
+              <prop k="joinstyle" v="bevel"/>
+              <prop k="name" v="circle"/>
+              <prop k="offset" v="0,0"/>
+              <prop k="offset_map_unit_scale" v="0,0,0,0,0,0"/>
+              <prop k="offset_unit" v="MM"/>
+              <prop k="outline_color" v="0,0,0,255"/>
+              <prop k="outline_style" v="solid"/>
+              <prop k="outline_width" v="0"/>
+              <prop k="outline_width_map_unit_scale" v="0,0,0,0,0,0"/>
+              <prop k="outline_width_unit" v="MM"/>
+              <prop k="scale_method" v="diameter"/>
+              <prop k="size" v="2"/>
+              <prop k="size_map_unit_scale" v="0,0,0,0,0,0"/>
+              <prop k="size_unit" v="MM"/>
+              <prop k="vertical_anchor_point" v="1"/>
+            </layer>
+          </symbol>
+        </symbols>
+        <rotation/>
+        <sizescale scalemethod="diameter"/>
+      </renderer-v2>
+      <labeling type="simple"/>
+      <customproperties/>
+      <blendMode>0</blendMode>
+      <featureBlendMode>0</featureBlendMode>
+      <layerTransparency>0</layerTransparency>
+      <displayfield></displayfield>
+      <label>0</label>
+      <labelattributes>
+        <label fieldname="" text="Label"/>
+        <family fieldname="" name="Cantarell"/>
+        <size fieldname="" units="pt" value="12"/>
+        <bold fieldname="" on="0"/>
+        <italic fieldname="" on="0"/>
+        <underline fieldname="" on="0"/>
+        <strikeout fieldname="" on="0"/>
+        <color fieldname="" red="0" blue="0" green="0"/>
+        <x fieldname=""/>
+        <y fieldname=""/>
+        <offset x="0" y="0" units="pt" yfieldname="" xfieldname=""/>
+        <angle fieldname="" value="0" auto="0"/>
+        <alignment fieldname="" value="center"/>
+        <buffercolor fieldname="" red="255" blue="255" green="255"/>
+        <buffersize fieldname="" units="pt" value="1"/>
+        <bufferenabled fieldname="" on=""/>
+        <multilineenabled fieldname="" on=""/>
+        <selectedonly on=""/>
+      </labelattributes>
+      <annotationform></annotationform>
+      <aliases/>
+      <excludeAttributesWMS/>
+      <excludeAttributesWFS/>
+      <attributeactions default="-1"/>
+      <attributetableconfig actionWidgetStyle="dropDown" sortExpression="" sortOrder="0">
+        <columns/>
+      </attributetableconfig>
+      <editform></editform>
+      <editforminit/>
+      <editforminitcodesource>0</editforminitcodesource>
+      <editforminitfilepath></editforminitfilepath>
+      <editforminitcode><![CDATA[]]></editforminitcode>
+      <featformsuppress>0</featformsuppress>
+      <editorlayout>generatedlayout</editorlayout>
+      <widgets/>
+      <conditionalstyles>
+        <rowstyles/>
+        <fieldstyles/>
+      </conditionalstyles>
+      <defaults/>
+      <previewExpression></previewExpression>
+    </maplayer>
+    <maplayer simplifyAlgorithm="0" minimumScale="0" maximumScale="1e+08" simplifyDrawingHints="1" minLabelScale="0" maxLabelScale="1e+08" simplifyDrawingTol="1" readOnly="0" geometry="Point" simplifyMaxScale="1" type="vector" hasScaleBasedVisibilityFlag="0" simplifyLocal="1" scaleBasedLabelVisibilityFlag="0">
+      <id>y20180406151217017</id>
+      <datasource>memory?geometry=Point&amp;crs=EPSG:4326</datasource>
+      <keywordList>
+        <value></value>
+      </keywordList>
+      <layername>y</layername>
+      <srs>
+        <spatialrefsys>
+          <proj4>+proj=longlat +datum=WGS84 +no_defs</proj4>
+          <srsid>3452</srsid>
+          <srid>4326</srid>
+          <authid>EPSG:4326</authid>
+          <description>WGS 84</description>
+          <projectionacronym>longlat</projectionacronym>
+          <ellipsoidacronym>WGS84</ellipsoidacronym>
+          <geographicflag>true</geographicflag>
+        </spatialrefsys>
+      </srs>
+      <provider encoding="System">memory</provider>
+      <vectorjoins/>
+      <layerDependencies/>
+      <expressionfields/>
+      <map-layer-style-manager current="">
+        <map-layer-style name=""/>
+      </map-layer-style-manager>
+      <edittypes/>
+      <renderer-v2 forceraster="0" symbollevels="0" type="singleSymbol" enableorderby="0">
+        <symbols>
+          <symbol alpha="1" clip_to_extent="1" type="marker" name="0">
+            <layer pass="0" class="SimpleMarker" locked="0">
+              <prop k="angle" v="0"/>
+              <prop k="color" v="118,57,172,255"/>
+              <prop k="horizontal_anchor_point" v="1"/>
+              <prop k="joinstyle" v="bevel"/>
+              <prop k="name" v="circle"/>
+              <prop k="offset" v="0,0"/>
+              <prop k="offset_map_unit_scale" v="0,0,0,0,0,0"/>
+              <prop k="offset_unit" v="MM"/>
+              <prop k="outline_color" v="0,0,0,255"/>
+              <prop k="outline_style" v="solid"/>
+              <prop k="outline_width" v="0"/>
+              <prop k="outline_width_map_unit_scale" v="0,0,0,0,0,0"/>
+              <prop k="outline_width_unit" v="MM"/>
+              <prop k="scale_method" v="diameter"/>
+              <prop k="size" v="2"/>
+              <prop k="size_map_unit_scale" v="0,0,0,0,0,0"/>
+              <prop k="size_unit" v="MM"/>
+              <prop k="vertical_anchor_point" v="1"/>
+            </layer>
+          </symbol>
+        </symbols>
+        <rotation/>
+        <sizescale scalemethod="diameter"/>
+      </renderer-v2>
+      <labeling type="simple"/>
+      <customproperties/>
+      <blendMode>0</blendMode>
+      <featureBlendMode>0</featureBlendMode>
+      <layerTransparency>0</layerTransparency>
+      <displayfield></displayfield>
+      <label>0</label>
+      <labelattributes>
+        <label fieldname="" text="Label"/>
+        <family fieldname="" name="Cantarell"/>
+        <size fieldname="" units="pt" value="12"/>
+        <bold fieldname="" on="0"/>
+        <italic fieldname="" on="0"/>
+        <underline fieldname="" on="0"/>
+        <strikeout fieldname="" on="0"/>
+        <color fieldname="" red="0" blue="0" green="0"/>
+        <x fieldname=""/>
+        <y fieldname=""/>
+        <offset x="0" y="0" units="pt" yfieldname="" xfieldname=""/>
+        <angle fieldname="" value="0" auto="0"/>
+        <alignment fieldname="" value="center"/>
+        <buffercolor fieldname="" red="255" blue="255" green="255"/>
+        <buffersize fieldname="" units="pt" value="1"/>
+        <bufferenabled fieldname="" on=""/>
+        <multilineenabled fieldname="" on=""/>
+        <selectedonly on=""/>
+      </labelattributes>
+      <annotationform></annotationform>
+      <aliases/>
+      <excludeAttributesWMS/>
+      <excludeAttributesWFS/>
+      <attributeactions default="-1"/>
+      <attributetableconfig actionWidgetStyle="dropDown" sortExpression="" sortOrder="11337728">
+        <columns/>
+      </attributetableconfig>
+      <editform></editform>
+      <editforminit/>
+      <editforminitcodesource>0</editforminitcodesource>
+      <editforminitfilepath></editforminitfilepath>
+      <editforminitcode><![CDATA[]]></editforminitcode>
+      <featformsuppress>0</featformsuppress>
+      <editorlayout>generatedlayout</editorlayout>
+      <widgets/>
+      <conditionalstyles>
+        <rowstyles/>
+        <fieldstyles/>
+      </conditionalstyles>
+      <defaults/>
+      <previewExpression></previewExpression>
+    </maplayer>
+  </projectlayers>
+  <properties>
+    <Measurement>
+      <DistanceUnits type="QString">meters</DistanceUnits>
+      <AreaUnits type="QString">m2</AreaUnits>
+    </Measurement>
+    <SpatialRefSys>
+      <ProjectCRSProj4String type="QString">+proj=longlat +datum=WGS84 +no_defs</ProjectCRSProj4String>
+      <ProjectCrs type="QString">EPSG:4326</ProjectCrs>
+      <ProjectCRSID type="int">3452</ProjectCRSID>
+    </SpatialRefSys>
+    <Paths>
+      <Absolute type="bool">false</Absolute>
+    </Paths>
+    <Gui>
+      <SelectionColorBluePart type="int">0</SelectionColorBluePart>
+      <CanvasColorGreenPart type="int">255</CanvasColorGreenPart>
+      <CanvasColorRedPart type="int">255</CanvasColorRedPart>
+      <SelectionColorRedPart type="int">255</SelectionColorRedPart>
+      <SelectionColorAlphaPart type="int">255</SelectionColorAlphaPart>
+      <SelectionColorGreenPart type="int">255</SelectionColorGreenPart>
+      <CanvasColorBluePart type="int">255</CanvasColorBluePart>
+    </Gui>
+    <Digitizing>
+      <DefaultSnapToleranceUnit type="int">2</DefaultSnapToleranceUnit>
+      <SnappingMode type="QString">current_layer</SnappingMode>
+      <DefaultSnapType type="QString">off</DefaultSnapType>
+      <DefaultSnapTolerance type="double">0</DefaultSnapTolerance>
+    </Digitizing>
+    <PositionPrecision>
+      <DecimalPlaces type="int">2</DecimalPlaces>
+      <Automatic type="bool">true</Automatic>
+    </PositionPrecision>
+    <Legend>
+      <filterByMap type="bool">false</filterByMap>
+    </Legend>
+  </properties>
+  <visibility-presets/>
+</qgis>