[processing] add test for eliminate algorithm

python/plugins/processing/tests/testdata/expected/eliminate_largest_area.gml

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ogr:FeatureCollection
+     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+     xsi:schemaLocation="http://ogr.maptools.org/ eliminate_largest_area.xsd"
+     xmlns:ogr="http://ogr.maptools.org/"
+     xmlns:gml="http://www.opengis.net/gml">
+  <gml:boundedBy>
+    <gml:Box>
+      <gml:coord><gml:X>-1</gml:X><gml:Y>-3</gml:Y></gml:coord>
+      <gml:coord><gml:X>10</gml:X><gml:Y>6</gml:Y></gml:coord>
+    </gml:Box>
+  </gml:boundedBy>
+
+  <gml:featureMember>
+    <ogr:eliminate_largest_area fid="polys.0">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>-1,-1 -1,3 3,3 3,2 6,1 6,-3 2,-1 -1,-1</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:name>aaaaa</ogr:name>
+      <ogr:intval>33</ogr:intval>
+      <ogr:floatval>44.123455999999997</ogr:floatval>
+    </ogr:eliminate_largest_area>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:eliminate_largest_area fid="polys.1">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>5,5 6,4 4,4 5,5</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:name>Aaaaa</ogr:name>
+      <ogr:intval>-33</ogr:intval>
+      <ogr:floatval>0.000000000000000</ogr:floatval>
+    </ogr:eliminate_largest_area>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:eliminate_largest_area fid="polys.2">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>2,5 2,6 3,6 3,5 2,5</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:name>bbaaa</ogr:name>
+      <ogr:floatval>0.123000000000000</ogr:floatval>
+    </ogr:eliminate_largest_area>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:eliminate_largest_area fid="polys.3">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>6,1 10,1 10,-3 6,-3 6,1</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs><gml:innerBoundaryIs><gml:LinearRing><gml:coordinates>7,0 7,-2 9,-2 9,0 7,0</gml:coordinates></gml:LinearRing></gml:innerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:name>ASDF</ogr:name>
+      <ogr:intval>0</ogr:intval>
+    </ogr:eliminate_largest_area>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:eliminate_largest_area fid="polys.4">
+      <ogr:intval>120</ogr:intval>
+      <ogr:floatval>-100291.432130000001052</ogr:floatval>
+    </ogr:eliminate_largest_area>
+  </gml:featureMember>
+</ogr:FeatureCollection>

python/plugins/processing/tests/testdata/expected/eliminate_largest_area.xsd

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema targetNamespace="http://ogr.maptools.org/" xmlns:ogr="http://ogr.maptools.org/" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:gml="http://www.opengis.net/gml" elementFormDefault="qualified" version="1.0">
+<xs:import namespace="http://www.opengis.net/gml" schemaLocation="http://schemas.opengis.net/gml/2.1.2/feature.xsd"/>
+<xs:element name="FeatureCollection" type="ogr:FeatureCollectionType" substitutionGroup="gml:_FeatureCollection"/>
+<xs:complexType name="FeatureCollectionType">
+  <xs:complexContent>
+    <xs:extension base="gml:AbstractFeatureCollectionType">
+      <xs:attribute name="lockId" type="xs:string" use="optional"/>
+      <xs:attribute name="scope" type="xs:string" use="optional"/>
+    </xs:extension>
+  </xs:complexContent>
+</xs:complexType>
+<xs:element name="eliminate_largest_area" type="ogr:eliminate_largest_area_Type" substitutionGroup="gml:_Feature"/>
+<xs:complexType name="eliminate_largest_area_Type">
+  <xs:complexContent>
+    <xs:extension base="gml:AbstractFeatureType">
+      <xs:sequence>
+        <xs:element name="geometryProperty" type="gml:PolygonPropertyType" nillable="true" minOccurs="0" maxOccurs="1"/>
+        <xs:element name="name" nillable="true" minOccurs="0" maxOccurs="1">
+          <xs:simpleType>
+            <xs:restriction base="xs:string">
+              <xs:maxLength value="5"/>
+            </xs:restriction>
+          </xs:simpleType>
+        </xs:element>
+        <xs:element name="intval" nillable="true" minOccurs="0" maxOccurs="1">
+          <xs:simpleType>
+            <xs:restriction base="xs:integer">
+              <xs:totalDigits value="10"/>
+            </xs:restriction>
+          </xs:simpleType>
+        </xs:element>
+        <xs:element name="floatval" nillable="true" minOccurs="0" maxOccurs="1">
+          <xs:simpleType>
+            <xs:restriction base="xs:decimal">
+              <xs:totalDigits value="24"/>
+              <xs:fractionDigits value="15"/>
+            </xs:restriction>
+          </xs:simpleType>
+        </xs:element>
+      </xs:sequence>
+    </xs:extension>
+  </xs:complexContent>
+</xs:complexType>
+</xs:schema>

python/plugins/processing/tests/testdata/expected/eliminate_smallest_area.gml

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ogr:FeatureCollection
+     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+     xsi:schemaLocation="http://ogr.maptools.org/ eliminate_smallest_area.xsd"
+     xmlns:ogr="http://ogr.maptools.org/"
+     xmlns:gml="http://www.opengis.net/gml">
+  <gml:boundedBy>
+    <gml:Box>
+      <gml:coord><gml:X>-1</gml:X><gml:Y>-3</gml:Y></gml:coord>
+      <gml:coord><gml:X>10</gml:X><gml:Y>6</gml:Y></gml:coord>
+    </gml:Box>
+  </gml:boundedBy>
+
+  <gml:featureMember>
+    <ogr:eliminate_smallest_area fid="polys.0">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>-1,-1 -1,3 3,3 3,2 2,2 2,-1 -1,-1</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:name>aaaaa</ogr:name>
+      <ogr:intval>33</ogr:intval>
+      <ogr:floatval>44.123455999999997</ogr:floatval>
+    </ogr:eliminate_smallest_area>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:eliminate_smallest_area fid="polys.1">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>5,5 6,4 4,4 5,5</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:name>Aaaaa</ogr:name>
+      <ogr:intval>-33</ogr:intval>
+      <ogr:floatval>0.000000000000000</ogr:floatval>
+    </ogr:eliminate_smallest_area>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:eliminate_smallest_area fid="polys.2">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>2,5 2,6 3,6 3,5 2,5</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:name>bbaaa</ogr:name>
+      <ogr:floatval>0.123000000000000</ogr:floatval>
+    </ogr:eliminate_smallest_area>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:eliminate_smallest_area fid="polys.3">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>6,1 10,1 10,-3 6,-3 2,-1 2,2 3,2 6,1</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs><gml:innerBoundaryIs><gml:LinearRing><gml:coordinates>7,0 7,-2 9,-2 9,0 7,0</gml:coordinates></gml:LinearRing></gml:innerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:name>ASDF</ogr:name>
+      <ogr:intval>0</ogr:intval>
+    </ogr:eliminate_smallest_area>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:eliminate_smallest_area fid="polys.4">
+      <ogr:intval>120</ogr:intval>
+      <ogr:floatval>-100291.432130000001052</ogr:floatval>
+    </ogr:eliminate_smallest_area>
+  </gml:featureMember>
+</ogr:FeatureCollection>

python/plugins/processing/tests/testdata/expected/eliminate_smallest_area.xsd

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema targetNamespace="http://ogr.maptools.org/" xmlns:ogr="http://ogr.maptools.org/" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:gml="http://www.opengis.net/gml" elementFormDefault="qualified" version="1.0">
+<xs:import namespace="http://www.opengis.net/gml" schemaLocation="http://schemas.opengis.net/gml/2.1.2/feature.xsd"/>
+<xs:element name="FeatureCollection" type="ogr:FeatureCollectionType" substitutionGroup="gml:_FeatureCollection"/>
+<xs:complexType name="FeatureCollectionType">
+  <xs:complexContent>
+    <xs:extension base="gml:AbstractFeatureCollectionType">
+      <xs:attribute name="lockId" type="xs:string" use="optional"/>
+      <xs:attribute name="scope" type="xs:string" use="optional"/>
+    </xs:extension>
+  </xs:complexContent>
+</xs:complexType>
+<xs:element name="eliminate_smallest_area" type="ogr:eliminate_smallest_area_Type" substitutionGroup="gml:_Feature"/>
+<xs:complexType name="eliminate_smallest_area_Type">
+  <xs:complexContent>
+    <xs:extension base="gml:AbstractFeatureType">
+      <xs:sequence>
+        <xs:element name="geometryProperty" type="gml:PolygonPropertyType" nillable="true" minOccurs="0" maxOccurs="1"/>
+        <xs:element name="name" nillable="true" minOccurs="0" maxOccurs="1">
+          <xs:simpleType>
+            <xs:restriction base="xs:string">
+              <xs:maxLength value="5"/>
+            </xs:restriction>
+          </xs:simpleType>
+        </xs:element>
+        <xs:element name="intval" nillable="true" minOccurs="0" maxOccurs="1">
+          <xs:simpleType>
+            <xs:restriction base="xs:integer">
+              <xs:totalDigits value="10"/>
+            </xs:restriction>
+          </xs:simpleType>
+        </xs:element>
+        <xs:element name="floatval" nillable="true" minOccurs="0" maxOccurs="1">
+          <xs:simpleType>
+            <xs:restriction base="xs:decimal">
+              <xs:totalDigits value="24"/>
+              <xs:fractionDigits value="15"/>
+            </xs:restriction>
+          </xs:simpleType>
+        </xs:element>
+      </xs:sequence>
+    </xs:extension>
+  </xs:complexContent>
+</xs:complexType>
+</xs:schema>

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

@@ -133,3 +133,57 @@ tests:
         name: expected/autoincrement_field.gml
         type: vector
 
+
+  # Eliminate sliver polygons
+  # case 1: merge with largest area
+  - algorithm: qgis:eliminatesliverpolygons
+    name: Eliminate sliver polygons largest area
+    params:
+      ATTRIBUTE: '"fid"'
+      COMPARISON: '0'
+      COMPARISONVALUE: '"polys.5"'
+      INPUT:
+        name: polys.shp
+        type: vector
+      KEEPSELECTION: 'False'
+      MODE: '0'
+    results:
+      OUTPUT:
+        name: expected/eliminate_largest_area.gml
+        type: vector
+
+  # case 2: merge with smallest area
+  - algorithm: qgis:eliminatesliverpolygons
+    name: Eliminate sliver polygons smallest area
+    params:
+      ATTRIBUTE: '"fid"'
+      COMPARISON: '0'
+      COMPARISONVALUE: '"polys.5"'
+      INPUT:
+        name: polys.shp
+        type: vector
+      KEEPSELECTION: 'False'
+      MODE: '1'
+    results:
+      OUTPUT:
+        name: expected/eliminate_smallest_area.gml
+        type: vector
+
+  # case 3: merge with longest common boundary
+  - algorithm: qgis:eliminatesliverpolygons
+    name: Eliminate sliver polygons largest area
+    params:
+      ATTRIBUTE: '"fid"'
+      COMPARISON: '0'
+      COMPARISONVALUE: '"polys.5"'
+      INPUT:
+        name: polys.shp
+        type: vector
+      KEEPSELECTION: 'False'
+      MODE: '2'
+    results:
+      OUTPUT:
+        name: expected/eliminate_largest_area.gml
+        type: vector
+
+