GetFeatureInfo with FILTER doesn't work for gpkg - Test added

[qgib]

Author Name: Tudor Bărăscu (@tudorbarascu)
Original Redmine Issue: 19826
Affected QGIS version: 3.3(master)
Redmine category:qgis_server
Assignee: Paul Blottiere

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Test already in:

tests/src/python/test_qgsserver_wms_getfeatureinfo.py

with

@unittest.expectedFailure

   # TODO make filter work with gpkg and move test inside testGetFeatureInfoFilter function
    @unittest.expectedFailure
    def testGetFeatureInfoFilterGPKG(self):
        # 'test_project.qgz' ='test_project.qgs' but with a gpkg source + different fid
        # Regression for #17386 Test getfeatureinfo response xml with gpkg datasource
        # Mind the gap! (the space in the FILTER expression)
        self.wms_request_compare('GetFeatureInfo',
                                 '&layers=testlayer%20%C3%A8%C3%A9&' +
                                 'INFO_FORMAT=text%2Fxml&' +
                                 'width=600&height=400&srs=EPSG%3A3857&' +
                                 'query_layers=testlayer%20%C3%A8%C3%A9&' +
                                 'FEATURE_COUNT=10&FILTER=testlayer%20%C3%A8%C3%A9' + urllib.parse.quote(':"NAME" = \'two\''),
                                 'wms_getfeatureinfo_filter_gpkg',
                                 'test_project.qgz')

Basically the server outpus:

...
 <Layer name="testlayer èé">
  <Feature id="2">
   <Attribute value="2" name="id"/>
   <Attribute value="two" name="name"/>
   <Attribute value="two àò" name="utf8nameè"/>
...

instead of

...
 <Layer name="testlayer èé">
  <Feature id="2">
   <Attribute value="0" name="id"/>
   <Attribute value="2" name="name"/>
   <Attribute value="two" name="utf8nameè"/>
...

It seems the output values index are shifted with +1.

[qgib]

Author Name: Paul Blottiere (Paul Blottiere)

---

• assigned_to_id was configured as Paul Blottiere

[qgib]

Author Name: Paul Blottiere (Paul Blottiere)

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Applied in changeset 5a9067e.

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• done_ratio was changed from 0 to 100
• status_id was changed from Open to Closed