diff --git a/python/plugins/processing/tests/testdata/custom/polygon_mask.gfs b/python/plugins/processing/tests/testdata/custom/polygon_mask.gfs
new file mode 100644
index 00000000000..970941a418f
--- /dev/null
+++ b/python/plugins/processing/tests/testdata/custom/polygon_mask.gfs
@@ -0,0 +1,15 @@
+<GMLFeatureClassList>
+  <GMLFeatureClass>
+    <Name>polygon_mask</Name>
+    <ElementPath>polygon_mask</ElementPath>
+    <GeometryType>3</GeometryType>
+    <SRSName>EPSG:4326</SRSName>
+    <DatasetSpecificInfo>
+      <FeatureCount>2</FeatureCount>
+      <ExtentXMin>18.67319</ExtentXMin>
+      <ExtentXMax>18.70090</ExtentXMax>
+      <ExtentYMin>45.77796</ExtentYMin>
+      <ExtentYMax>45.80786</ExtentYMax>
+    </DatasetSpecificInfo>
+  </GMLFeatureClass>
+</GMLFeatureClassList>
diff --git a/python/plugins/processing/tests/testdata/custom/polygon_mask.gml b/python/plugins/processing/tests/testdata/custom/polygon_mask.gml
new file mode 100644
index 00000000000..df16b7bdf40
--- /dev/null
+++ b/python/plugins/processing/tests/testdata/custom/polygon_mask.gml
@@ -0,0 +1,24 @@
+<?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>18.67319311115957</gml:X><gml:Y>45.77795780842602</gml:Y></gml:coord>
+      <gml:coord><gml:X>18.70090093189771</gml:X><gml:Y>45.80786158698488</gml:Y></gml:coord>
+    </gml:Box>
+  </gml:boundedBy>
+                                                                                                
+  <gml:featureMember>
+    <ogr:polygon_mask fid="polygon_mask.0">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>18.6744202640594,45.798496472749385 18.683204095342351,45.807861586984885 18.68966279481511,45.80456765025378 18.694829754393318,45.800175734612303 18.694442232424951,45.796235927933921 18.683849965289628,45.790358511413707 18.675970351932861,45.790229337424257 18.673193111159573,45.789970989445344 18.6744202640594,45.798496472749385</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+    </ogr:polygon_mask>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:polygon_mask fid="polygon_mask.1">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>18.690696186730751,45.786612465719507 18.694442232424951,45.791133555350441 18.70090093189771,45.785643660798598 18.699738365992616,45.781122571167664 18.688435641915287,45.777957808426017 18.680491441563792,45.779895418267841 18.6800393326007,45.783318528988403 18.690696186730751,45.786612465719507</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+    </ogr:polygon_mask>
+  </gml:featureMember>
+</ogr:FeatureCollection>
diff --git a/python/plugins/processing/tests/testdata/qgis_algorithm_tests.yaml b/python/plugins/processing/tests/testdata/qgis_algorithm_tests.yaml
index 84a2f07e2e7..a02a50bc555 100644
--- a/python/plugins/processing/tests/testdata/qgis_algorithm_tests.yaml
+++ b/python/plugins/processing/tests/testdata/qgis_algorithm_tests.yaml
@@ -2040,6 +2040,347 @@ tests:
         name: expected/convex_hull_fields.gml
         type: vector
 
+  - algorithm: gdalogr:aspect
+    name: aspect with standard parameters
+    params:
+      BAND: 1
+      COMPUTE_EDGES: false
+      INPUT:
+        name: dem.tif
+        type: raster
+      TRIG_ANGLE: false
+      ZERO_FLAT: false
+      ZEVENBERGEN: false
+    results:
+      OUTPUT:
+        hash: 8436df662a44a00762aa29768e5d6ecfaf2d42e9a4da02d8afc6e3f6
+        type: rasterhash
+
+  - algorithm: gdalogr:aspect
+    name: aspect without NULL (-9999) values (0 instead)
+    params:
+      BAND: 1
+      COMPUTE_EDGES: false
+      INPUT:
+        name: dem.tif
+        type: raster
+      TRIG_ANGLE: false
+      ZERO_FLAT: true
+      ZEVENBERGEN: false
+    results:
+      OUTPUT:
+        hash: 43cccb440c7febb0095103eee3509b740e9f1bf2b3ad3b8a4c25622e
+        type: rasterhash
+
+  - algorithm: gdalogr:aspect
+    name: aspect with trigonometric angle
+    params:
+      BAND: 1
+      COMPUTE_EDGES: false
+      INPUT:
+        name: dem.tif
+        type: raster
+      TRIG_ANGLE: true
+      ZERO_FLAT: false
+      ZEVENBERGEN: false
+    results:
+      OUTPUT:
+        hash: a95e8a09a613b551d3f33dfb4975c430f599dc55f761063ae9529124
+        type: rasterhash
+
+  - algorithm: gdalogr:aspect
+    name: aspect zevenbergen
+    params:
+      BAND: 1
+      COMPUTE_EDGES: false
+      INPUT:
+        name: dem.tif
+        type: raster
+      TRIG_ANGLE: false
+      ZERO_FLAT: false
+      ZEVENBERGEN: true
+    results:
+      OUTPUT:
+        hash: 2cd5868b21efbd286f4977795143c89df77ac8976f8bc2a2c4e310d8
+        type: rasterhash
+
+
+  - algorithm: gdalogr:aspect
+    name: aspect with edges
+    params:
+      BAND: 1
+      COMPUTE_EDGES: true
+      INPUT:
+        name: dem.tif
+        type: raster
+      TRIG_ANGLE: false
+      ZERO_FLAT: false
+      ZEVENBERGEN: false
+    results:
+      OUTPUT:
+        hash: d3a354c6e5f207779bb58f9bd23fd89a9f90a77d81aafc661d0ae077
+        type: rasterhash
+
+  - algorithm: gdalogr:cliprasterbyextent
+    name: standard clip raster by extent
+    params:
+      BIGTIFF: '0'
+      COMPRESS: '4'
+      INPUT:
+        name: dem.tif
+        type: raster
+      JPEGCOMPRESSION: 75
+      PREDICTOR: 1
+      PROJWIN: 18.67551824296977,18.697800756150787,45.78984181545589,45.804309302274866
+      RTYPE: '5'
+      TFW: false
+      TILED: false
+      ZLEVEL: 6
+    results:
+      OUTPUT:
+        hash: 9913a7c0e1ced2c2ce1cd8f0e8103475bc2b0dd4d1d0adafe4920f93
+        type: rasterhash
+
+  - algorithm: gdalogr:cliprasterbyextent
+    name: clip by extent and change no data values
+    params:
+      BIGTIFF: '0'
+      COMPRESS: '4'
+      INPUT:
+        name: dem.tif
+        type: raster
+      JPEGCOMPRESSION: 75
+      NO_DATA: '-9999'
+      PREDICTOR: 1
+      PROJWIN: 18.67460436727692,18.698371162148714,45.78995019401027,45.804344168369234
+      RTYPE: '5'
+      TFW: false
+      TILED: false
+      ZLEVEL: 6
+    results:
+      OUTPUT:
+        hash: df5de501bcec0c10f738d77f3b48d5545b48f0a22e0e028a8b1ccbe7
+        type: rasterhash
+
+
+  - algorithm: gdalogr:cliprasterbymasklayer
+    name: clip by extent standard (with crop to cutline)
+    params:
+      ALPHA_BAND: false
+      BIGTIFF: '0'
+      COMPRESS: '4'
+      CROP_TO_CUTLINE: true
+      INPUT:
+        name: dem.tif
+        type: raster
+      JPEGCOMPRESSION: 75
+      KEEP_RESOLUTION: false
+      MASK:
+        name: custom/polygon_mask.gml
+        type: vector
+      PREDICTOR: 1
+      RTYPE: '5'
+      TFW: false
+      TILED: false
+      ZLEVEL: 6
+    results:
+      OUTPUT:
+        hash: 4f4720e4efe59a7f238f622659917bbeb5262369d15d5e2917dbcf8b
+        type: rasterhash
+
+  - algorithm: gdalogr:cliprasterbymasklayer
+    name: clip by extent and change no data value
+    params:
+      ALPHA_BAND: false
+      BIGTIFF: '0'
+      COMPRESS: '4'
+      CROP_TO_CUTLINE: true
+      INPUT:
+        name: dem.tif
+        type: raster
+      JPEGCOMPRESSION: 75
+      KEEP_RESOLUTION: false
+      MASK:
+        name: custom/polygon_mask.gml
+        type: vector
+      NO_DATA: '-9999'
+      PREDICTOR: 1
+      RTYPE: '5'
+      TFW: false
+      TILED: false
+      ZLEVEL: 6
+    results:
+      OUTPUT:
+        hash: 1e0252e63c65dcf4ed1f2b17d2490d3e0331aeb59d8f59b59554f442
+        type: rasterhash
+
+  - algorithm: gdalogr:cliprasterbymasklayer
+    name: clip by extent and add alpha band
+    params:
+      ALPHA_BAND: true
+      BIGTIFF: '0'
+      COMPRESS: '4'
+      CROP_TO_CUTLINE: true
+      INPUT:
+        name: dem.tif
+        type: raster
+      JPEGCOMPRESSION: 75
+      KEEP_RESOLUTION: false
+      MASK:
+        name: custom/polygon_mask.gml
+        type: vector
+      PREDICTOR: 1
+      RTYPE: '5'
+      TFW: false
+      TILED: false
+      ZLEVEL: 6
+    results:
+      OUTPUT:
+        hash: 8f69431c6ff7db5174c1ca8e879ae39582fd4ce86f9b53edae0f38ce
+        type: rasterhash
+
+  - algorithm: gdalogr:cliprasterbymasklayer
+    name: clip by extent without cropping to cutline
+    params:
+      ALPHA_BAND: false
+      BIGTIFF: '0'
+      COMPRESS: '4'
+      CROP_TO_CUTLINE: false
+      INPUT:
+        name: dem.tif
+        type: raster
+      JPEGCOMPRESSION: 75
+      KEEP_RESOLUTION: false
+      MASK:
+        name: custom/polygon_mask.gml
+        type: vector
+      PREDICTOR: 1
+      RTYPE: '5'
+      TFW: false
+      TILED: false
+      ZLEVEL: 6
+    results:
+      OUTPUT:
+        hash: 638165612b8cf59c631533438633c6c5b0fd5d3698d6ce75b359eef3
+        type: rasterhash
+
+  - algorithm: gdalogr:hillshade
+    name: hillshade standard
+    params:
+      ALTITUDE: 45.0
+      AZIMUTH: 315.0
+      BAND: 1
+      COMPUTE_EDGES: false
+      INPUT:
+        name: dem.tif
+        type: raster
+      SCALE: 1.0
+      ZEVENBERGEN: false
+      Z_FACTOR: 1.0
+    results:
+      OUTPUT:
+        hash: e5cf91b875b918682e456463165eddc4af4ae8855b143068e198ce2a
+        type: rasterhash
+
+  - algorithm: gdalogr:hillshade
+    name: hillshade with edges calculation
+    params:
+      ALTITUDE: 45.0
+      AZIMUTH: 315.0
+      BAND: 1
+      COMPUTE_EDGES: true
+      INPUT:
+        name: dem.tif
+        type: raster
+      SCALE: 1.0
+      ZEVENBERGEN: false
+      Z_FACTOR: 1.0
+    results:
+      OUTPUT:
+        hash: 570671408b020c9cc817e876f0e8081e0b11920c7d297abfe1cb3368
+        type: rasterhash
+
+  - algorithm: gdalogr:hillshade
+    name: hillshade with zevenbergen formula
+    params:
+      ALTITUDE: 45.0
+      AZIMUTH: 315.0
+      BAND: 1
+      COMPUTE_EDGES: false
+      INPUT:
+        name: dem.tif
+        type: raster
+      SCALE: 1.0
+      ZEVENBERGEN: true
+      Z_FACTOR: 1.0
+    results:
+      OUTPUT:
+        hash: ce2174ab155023367d38785fb867456c6a1ae3535ea0ec5ad7a694d5
+        type: rasterhash
+
+  - algorithm: gdalogr:slope
+    name: slope with standard parameters
+    params:
+      AS_PERCENT: false
+      BAND: 1
+      COMPUTE_EDGES: false
+      INPUT:
+        name: dem.tif
+        type: raster
+      SCALE: 1.0
+      ZEVENBERGEN: false
+    results:
+      OUTPUT:
+        hash: 319c470de3315f440371d5df8a6e478a8ecaf1cf904a013dbf1b3a6a
+        type: rasterhash
+
+  - algorithm: gdalogr:slope
+    name: slope with edges
+    params:
+      AS_PERCENT: false
+      BAND: 1
+      COMPUTE_EDGES: true
+      INPUT:
+        name: dem.tif
+        type: raster
+      SCALE: 1.0
+      ZEVENBERGEN: false
+    results:
+      OUTPUT:
+        hash: f7f8df8b6517fd8660304f7f2fbd6ade2ae68035f4dd9a224c80b465
+        type: rasterhash
+
+  - algorithm: gdalogr:slope
+    name: slope with zevenbergen formula
+    params:
+      AS_PERCENT: false
+      BAND: 1
+      COMPUTE_EDGES: false
+      INPUT:
+        name: dem.tif
+        type: raster
+      SCALE: 1.0
+      ZEVENBERGEN: true
+    results:
+      OUTPUT:
+        hash: 90e42b1bc7be9cf7b4a729c6db44dde0bba39dd33012ade6bc8080e7
+        type: rasterhash
+
+  - algorithm: gdalogr:slope
+    name: slope with percent instead of degree
+    params:
+      AS_PERCENT: true
+      BAND: 1
+      COMPUTE_EDGES: false
+      INPUT:
+        name: dem.tif
+        type: raster
+      SCALE: 1.0
+      ZEVENBERGEN: false
+    results:
+      OUTPUT:
+        hash: c9dc888254a571e7fbf66691fb72b35f030f87decf59ce67e32ad89d
+        type: rasterhash
 
   # These tests dissabled because algs require access to iface which
   # is not available in the test suite.