[processing] add test for points along lines

Author: alexbruy

python/plugins/processing/tests/testdata/expected/gdal/points_along_lines.gfs

@@ -0,0 +1,16 @@
+<GMLFeatureClassList>
+  <GMLFeatureClass>
+    <Name>points_along_lines</Name>
+    <ElementPath>points_along_lines</ElementPath>
+    <!--POINT-->
+    <GeometryType>1</GeometryType>
+    <SRSName>EPSG:4326</SRSName>
+    <DatasetSpecificInfo>
+      <FeatureCount>7</FeatureCount>
+      <ExtentXMin>-0.50000</ExtentXMin>
+      <ExtentXMax>7.75000</ExtentXMax>
+      <ExtentYMin>-3.00000</ExtentYMin>
+      <ExtentYMax>2.00000</ExtentYMax>
+    </DatasetSpecificInfo>
+  </GMLFeatureClass>
+</GMLFeatureClassList>

python/plugins/processing/tests/testdata/expected/gdal/points_along_lines.gml

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ogr:FeatureCollection
+     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+     xsi:schemaLocation=""
+     xmlns:ogr="http://ogr.maptools.org/"
+     xmlns:gml="http://www.opengis.net/gml">
+  <gml:boundedBy>
+    <gml:Box>
+      <gml:coord><gml:X>-0.5</gml:X><gml:Y>-3</gml:Y></gml:coord>
+      <gml:coord><gml:X>7.75</gml:X><gml:Y>2</gml:Y></gml:coord>
+    </gml:Box>
+  </gml:boundedBy>
+                                                                                                                                                         
+  <gml:featureMember>
+    <ogr:points_along_lines fid="lines.0">
+      <ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>7.70710678118655,2.0</gml:coordinates></gml:Point></ogr:geometryProperty>
+    </ogr:points_along_lines>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:points_along_lines fid="lines.1">
+      <ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>-0.5,-1.0</gml:coordinates></gml:Point></ogr:geometryProperty>
+    </ogr:points_along_lines>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:points_along_lines fid="lines.2">
+      <ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>2,1</gml:coordinates></gml:Point></ogr:geometryProperty>
+    </ogr:points_along_lines>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:points_along_lines fid="lines.3">
+      <ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>3.5,1.0</gml:coordinates></gml:Point></ogr:geometryProperty>
+    </ogr:points_along_lines>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:points_along_lines fid="lines.4">
+      <ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>7.75,-3.0</gml:coordinates></gml:Point></ogr:geometryProperty>
+    </ogr:points_along_lines>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:points_along_lines fid="lines.5">
+      <ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>7,-2</gml:coordinates></gml:Point></ogr:geometryProperty>
+    </ogr:points_along_lines>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:points_along_lines fid="lines.6">
+    </ogr:points_along_lines>
+  </gml:featureMember>
+</ogr:FeatureCollection>

python/plugins/processing/tests/testdata/gdal_algorithm_tests.yaml

@@ -116,3 +116,15 @@ tests:
       OUTPUT_LAYER:
         name: expected/gdal/buffer_polys_dissolve.gml
         type: vector
+  - algorithm: gdalogr:createpointsalonglines
+    name: OGR points along lines
+    params:
+      DISTANCE: 0.25
+      GEOMETRY: geometry
+      INPUT_LAYER:
+        name: lines.gml
+        type: vector
+    results:
+      OUTPUT_LAYER:
+        name: expected/gdal/points_along_lines.gml
+        type: vector