github.com/dolthub/go-mysql-server@v0.18.0/sql/types/geometry_test.go (about)

     1  // Copyright 2022 Dolthub, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package types
    16  
    17  import (
    18  	"fmt"
    19  	"testing"
    20  
    21  	"github.com/stretchr/testify/require"
    22  	"gopkg.in/src-d/go-errors.v1"
    23  
    24  	"github.com/dolthub/go-mysql-server/sql"
    25  )
    26  
    27  func TestSpatialTypeMatchSRID(t *testing.T) {
    28  	var (
    29  		// SRID 0 points
    30  		Cx1y2 = Point{CartesianSRID, 1, 2}
    31  		Cx2y3 = Point{CartesianSRID, 2, 3}
    32  		Cx0y0 = Point{CartesianSRID, 0, 0}
    33  
    34  		// SRID 4326 points
    35  		Gx1y2 = Point{GeoSpatialSRID, 1, 2}
    36  		Gx2y3 = Point{GeoSpatialSRID, 2, 3}
    37  		Gx0y0 = Point{GeoSpatialSRID, 0, 0}
    38  		Gx0y1 = Point{GeoSpatialSRID, 0, 1}
    39  		Gx1y0 = Point{GeoSpatialSRID, 1, 0}
    40  	)
    41  	tests := []struct {
    42  		typeVal  sql.SpatialColumnType
    43  		objVal   interface{}
    44  		expected *errors.Kind
    45  	}{
    46  		{PointType{CartesianSRID, false}, Cx1y2, nil},
    47  		{PointType{CartesianSRID, false}, Gx1y2, nil},
    48  		{PointType{GeoSpatialSRID, true}, Cx1y2, sql.ErrNotMatchingSRID},
    49  		{PointType{GeoSpatialSRID, true}, LineString{GeoSpatialSRID, []Point{Cx1y2, Cx2y3}}, sql.ErrNotPoint},
    50  		{PointType{GeoSpatialSRID, true}, LineString{GeoSpatialSRID, []Point{Cx1y2, Cx2y3}}, sql.ErrNotPoint},
    51  
    52  		{LineStringType{GeoSpatialSRID, true}, LineString{GeoSpatialSRID, []Point{Cx1y2, Cx2y3}}, nil},
    53  		// MySQL checks only the container's SRID value, so the objects inside can have any SRID value.
    54  		// For example, LineStringType column with 4326 allows LineString object with 4326 containing Points with 0 and 4326 SRID values.
    55  		{LineStringType{CartesianSRID, false}, LineString{GeoSpatialSRID, []Point{Cx1y2, Gx2y3}}, nil},
    56  		{LineStringType{CartesianSRID, true}, LineString{GeoSpatialSRID, []Point{Cx1y2, Cx2y3}}, sql.ErrNotMatchingSRID},
    57  		{LineStringType{GeoSpatialSRID, true}, Gx2y3, sql.ErrNotLineString},
    58  		{LineStringType{GeoSpatialSRID, true}, Polygon{GeoSpatialSRID, []LineString{{GeoSpatialSRID, []Point{Gx0y0, Gx0y1, Gx1y0, Gx0y0}}}}, sql.ErrNotLineString},
    59  
    60  		{PolygonType{CartesianSRID, true}, Polygon{CartesianSRID, []LineString{{GeoSpatialSRID, []Point{Gx0y0, Gx0y1, Gx1y0, Gx0y0}}}}, nil},
    61  		{PolygonType{CartesianSRID, false}, Polygon{GeoSpatialSRID, []LineString{{GeoSpatialSRID, []Point{Gx0y0, Gx0y1, Gx1y0, Gx0y0}}}}, nil},
    62  		{PolygonType{CartesianSRID, true}, Polygon{GeoSpatialSRID, []LineString{{GeoSpatialSRID, []Point{Gx0y0, Gx0y1, Gx1y0, Gx0y0}}}}, sql.ErrNotMatchingSRID},
    63  		{PolygonType{GeoSpatialSRID, true}, Gx2y3, ErrNotPolygon},
    64  		{PolygonType{GeoSpatialSRID, true}, LineString{GeoSpatialSRID, []Point{Cx1y2, Cx2y3}}, ErrNotPolygon},
    65  
    66  		{GeometryType{CartesianSRID, false}, Cx1y2, nil},
    67  		{GeometryType{CartesianSRID, false}, Gx1y2, nil},
    68  		{GeometryType{GeoSpatialSRID, true}, Gx1y2, nil},
    69  		{GeometryType{GeoSpatialSRID, true}, Cx1y2, sql.ErrNotMatchingSRID},
    70  		{GeometryType{GeoSpatialSRID, true}, LineString{GeoSpatialSRID, []Point{Gx0y0, Gx0y1, Gx1y0, Gx0y0}}, nil},
    71  		{GeometryType{GeoSpatialSRID, true}, LineString{CartesianSRID, []Point{Gx0y0, Gx0y1, Gx1y0, Gx0y0}}, sql.ErrNotMatchingSRID},
    72  		{GeometryType{GeoSpatialSRID, true}, LineString{GeoSpatialSRID, []Point{Cx1y2, Cx2y3}}, nil},
    73  		{GeometryType{CartesianSRID, true}, LineString{GeoSpatialSRID, []Point{Cx1y2, Cx2y3}}, sql.ErrNotMatchingSRID},
    74  		{GeometryType{GeoSpatialSRID, true}, Polygon{GeoSpatialSRID, []LineString{{GeoSpatialSRID, []Point{Gx0y0, Gx0y1, Gx1y0, Gx0y0}}}}, nil},
    75  		{GeometryType{GeoSpatialSRID, true}, Polygon{GeoSpatialSRID, []LineString{{CartesianSRID, []Point{Gx0y0, Gx0y1, Gx1y0, Cx0y0}}}}, nil},
    76  		{GeometryType{CartesianSRID, true}, Polygon{GeoSpatialSRID, []LineString{{CartesianSRID, []Point{Gx0y0, Gx0y1, Gx1y0, Cx0y0}}}}, sql.ErrNotMatchingSRID},
    77  	}
    78  
    79  	for _, test := range tests {
    80  		s, d := test.typeVal.GetSpatialTypeSRID()
    81  		g, _ := test.typeVal.(sql.Type)
    82  		t.Run(fmt.Sprintf("%s %v %v match %v", g.String(), s, d, test.objVal), func(t *testing.T) {
    83  			err := test.typeVal.MatchSRID(test.objVal)
    84  			if test.expected == nil {
    85  				require.NoError(t, err)
    86  			} else {
    87  				require.Error(t, err)
    88  				require.True(t, test.expected.Is(err), "Expected error of type %s but got %s", test.expected, err)
    89  			}
    90  		})
    91  	}
    92  }