Python protocol.Protocol类代码示例

    def test_protocol_create_and_update(self):
        """Create a new point and also update an already existing point"""
        
        old_spot = session.query(Spot).filter(Spot.spot_height==102.34).one()
        
        proto = Protocol(session, Spot)
        
        request = FakeRequest({})
        request.body = '{"type": "FeatureCollection", "features": [\
            {"type": "Feature", "properties": {"spot_height": 12.0}, "geometry": {"type": "Point", "coordinates": [45, 5]}},\
            {"type": "Feature", "id": ' + str(old_spot.spot_id) + ', "properties": {}, "geometry": {"type": "Point", "coordinates": [1, 1]}}]}'       
        
        response = FakeResponse()
        collection = proto.create(request, response)
        eq_(response.status, 201)
        eq_(len(collection.features), 2)
        feature0 = collection.features[0]
        eq_(feature0.id, 10)
        eq_(feature0.geometry.coordinates, (45.0, 5.0))
        eq_(feature0.properties["spot_height"], 12)
        feature1 = collection.features[1]
        eq_(feature1.id, old_spot.spot_id)
        eq_(feature1.geometry.coordinates, (1, 1))

        new_spot = session.query(Spot).filter(Spot.spot_height==12.0).one()
        ok_(new_spot is not None)
        eq_(session.scalar(new_spot.spot_location.wkt), u'POINT(45 5)')
        
        updated_spot = session.query(Spot).filter(Spot.spot_height==102.34).one()
        ok_(updated_spot is not None)
        ok_(old_spot is updated_spot)
        eq_(updated_spot.spot_height, 102.34)
        eq_(session.scalar(updated_spot.spot_location.wkt), u'POINT(1 1)')

 def test_protocol_count_filter_box(self):
     """Get the feature count with a box as filter"""
     proto = Protocol(session, Spot)
     request = FakeRequest({})
     
     request.params['bbox'] = '-10,-10,10,10'
     eq_(proto.count(request), '4')
     
     request.params['tolerance'] = '200000'
     eq_(proto.count(request), '5')
     
     # query features that are inside a bbox that uses a different CRS
     # note that we either have to specify a tolerance ('tol') or 
     # dimension information ('dim1' and 'dim2')
     filter = create_default_filter(request, Spot, additional_params={'tol': '0.005'})
     request.params['bbox'] = '-12.3364241712925,-10.0036833569465,7.66304367998925,9.9979519038951'
     request.params['epsg'] = '2210'
     request.params['tolerance'] = '0'
     eq_(proto.count(request, filter=filter), '5')
     
     # dimension information array for 54004
     # see http://download.oracle.com/docs/cd/E11882_01/appdev.112/e11830/sdo_objrelschema.htm#i1010905
     diminfo = "MDSYS.SDO_DIM_ARRAY("\
         "MDSYS.SDO_DIM_ELEMENT('LONGITUDE', -20037508, 20037508, 0.005),"\
         "MDSYS.SDO_DIM_ELEMENT('LATITUDE', -19929239, 19929239, 0.005)"\
         ")"
     
     request.params['bbox'] = '-975862.822682856,-999308.345117013,1027887.98627823,999373.702609189'
     request.params['epsg'] = '54004' # Oracles SRID number for World Mercator
     filter = create_default_filter(request, Spot, 
                                    additional_params={'dim1': text(diminfo),
                                                       'dim2' : text(diminfo)})
     eq_(proto.count(request, filter=filter), '3')

 def test_protocol_create_fails(self):
     """Try to create a feature without geometry"""
     proto = Protocol(session, Spot)
     
     request = FakeRequest({})
     request.body = '{"type": "FeatureCollection", "features": [{"type": "Feature", "properties": {"spot_height": 12.0}}]}'
     
     proto.create(request, FakeResponse())

 def test_protocol_count_queryable(self):
     """Count all features that match a filter"""
     proto = Protocol(session, Spot)
     request = FakeRequest({})
     request.params['queryable'] = 'spot_height'
     request.params['spot_height__gte'] = '1454.66'
     
     eq_(proto.count(request), '3')

    def test_protocol_read_all(self):
        """Return all features"""
        proto = Protocol(session, Spot)

        collection = proto.read(FakeRequest({}))
        ok_(collection is not None)
        ok_(isinstance(collection, FeatureCollection))
        eq_(len(collection.features), 9)

 def test_protocol_count_filter_geometry(self):
     """Get the feature count with a geometry as filter"""
     proto = Protocol(session, Spot)
     request = FakeRequest({})
     
     request.params['geometry'] = '{"type": "Polygon", "coordinates": [[ [-10, -1], [10, -1], [0, 10], [-10, -1] ]]}'
     eq_(proto.count(request), '2')
     
     request.params['tolerance'] = '10'
     eq_(proto.count(request), '5')

    def test_protocol_read_one(self):
        """Return one feature"""
        proto = Protocol(session, Spot)

        feature = proto.read(FakeRequest({}), id=1)
        ok_(feature is not None)
        ok_(isinstance(feature, Feature))
        eq_(feature.id, 1)
        eq_(feature.geometry.coordinates, (0.0, 0.0))
        eq_(feature.properties["spot_height"], 420.39999999999998)

 def test_protocol_update_fails(self):
     """Try to update a not-existing feature"""
     proto = Protocol(session, Spot)
     id = -1
     
     request = FakeRequest({})
     request.body = '{"type": "Feature", "id": ' + str(id) + ', "properties": {}, "geometry": {"type": "Point", "coordinates": [1, 1]}}'
     
     response = FakeResponse()
     proto.update(request, response, id)

 def test_protocol_count_filter_box(self):
     """Get the feature count with a box as filter"""
     proto = Protocol(session, Spot)
     request = FakeRequest({})
     
     request.params['bbox'] = '-10,-10,10,10'
     eq_(proto.count(request), '4')
     
     request.params['tolerance'] = '1'
     eq_(proto.count(request), '5')

 def test_protocol_count_filter_box_reproject(self):
     """Try to get the feature count with a box that has to be reprojected
     (MySQL does not support transform() yet)"""
     proto = Protocol(session, Spot)
     request = FakeRequest({})
     
     # reproject the bbox
     request.params['bbox'] = '-12.3364241712925,-10.0036833569465,7.66304367998925,9.9979519038951'
     request.params['epsg'] = '4807'
     request.params['tolerance'] = '0'
     proto.count(request)

 def test_protocol_count_filter_within(self):
     """Get the feature count with a point as filter"""
     proto = Protocol(session, Spot)
     request = FakeRequest({})
     
     request.params['lat'] = '0'
     request.params['lon'] = '0'
     eq_(proto.count(request), '1')
     
     request.params['tolerance'] = '10'
     eq_(proto.count(request), '3')

class ZonesController(BaseController):
    readonly = True # if set to True, only GET is supported

    def __init__(self):
        self.protocol = Protocol(Session, Zone, self.readonly)

    @geojsonify
    def index(self, format='json'):
        """GET /: return all features."""
        # If no filter argument is passed to the protocol index method
        # then the default MapFish filter is used.
        #
        # If you need your own filter with application-specific params 
        # taken into acount, create your own filter and pass it to the
        # protocol read method.
        #
        # E.g.
        #
        # from sqlalchemy.sql import and_
        #
        # default_filter = create_default_filter(request, Zone)
        # filter = and_(default_filter, Zone.columname.ilike('%value%'))
        # return self.protocol.read(request, filter=filter)
        if format != 'json':
            abort(404)
        return self.protocol.read(request)

    @geojsonify
    def show(self, id, format='json'):
        """GET /id: Show a specific feature."""
        if format != 'json':
            abort(404)
        return self.protocol.read(request, response, id=id)


    #@geojsonify
    #def create(self):
    #    """POST /: Create a new feature."""
    #    return self.protocol.create(request, response)
    #
    #@geojsonify
    #def update(self, id):
    #    """PUT /id: Update an existing feature."""
    #    return self.protocol.update(request, response, id)
    #
    #def delete(self, id):
    #    """DELETE /id: Delete an existing feature."""
    #    return self.protocol.delete(request, response, id)


    def count(self):
        """GET /count: Count all features."""
        return self.protocol.count(request)

    def test_protocol_read_one_null(self):
        """Return one null feature"""
        proto = Protocol(session, Spot)

        feature = proto.read(FakeRequest({}), id=9)
        ok_(feature is not None)
        ok_(isinstance(feature, Feature))
        eq_(feature.id, 9)
        # make use of __geo_interface__ property since 'geometry'
        # value is not the same in various versions of geojson lib
        ok_(feature.__geo_interface__['geometry'] is None)
        ok_(feature.__geo_interface__['bbox'] is None)

 def test_protocol_delete(self):
     """Delete an existing point"""
     proto = Protocol(session, Spot)
     id = 1
     
     request = FakeRequest({})
     response = FakeResponse()
     
     proto.delete(request, response, id)
     eq_(response.status, 204)
     
     spot = session.query(Spot).get(id)
     ok_(spot is None)

 def test_protocol_count_filter_within(self):
     """Get the feature count with a point as filter"""
     proto = Protocol(session, Spot)
     request = FakeRequest({})
     
     request.params['lat'] = '0'
     request.params['lon'] = '0'
     eq_(proto.count(request), '1')
     
     request.params['tolerance'] = '400000'
     eq_(proto.count(request), '2')
     
     filter = create_default_filter(request, Spot, additional_params={'params': 'unit=KM'})
     eq_(proto.count(request, filter=filter), '8')