github.com/dolthub/go-mysql-server@v0.18.0/sql/expression/function/spatial/point_test.go (about)

     1  // Copyright 2020-2021 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 spatial
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/stretchr/testify/require"
    21  
    22  	"github.com/dolthub/go-mysql-server/sql"
    23  	"github.com/dolthub/go-mysql-server/sql/expression"
    24  	"github.com/dolthub/go-mysql-server/sql/types"
    25  )
    26  
    27  func TestPoint(t *testing.T) {
    28  	t.Run("create valid point with integers", func(t *testing.T) {
    29  		require := require.New(t)
    30  		f := NewPoint(expression.NewLiteral(1, types.Int64),
    31  			expression.NewLiteral(2, types.Int64),
    32  		)
    33  
    34  		v, err := f.Eval(sql.NewEmptyContext(), nil)
    35  		require.NoError(err)
    36  		require.Equal(types.Point{X: 1, Y: 2}, v)
    37  	})
    38  
    39  	t.Run("create valid point with floats", func(t *testing.T) {
    40  		require := require.New(t)
    41  		f := NewPoint(expression.NewLiteral(123.456, types.Float64),
    42  			expression.NewLiteral(789.000, types.Float64),
    43  		)
    44  
    45  		v, err := f.Eval(sql.NewEmptyContext(), nil)
    46  		require.NoError(err)
    47  		require.Equal(types.Point{X: 123.456, Y: 789}, v)
    48  	})
    49  
    50  	t.Run("create valid point with null x", func(t *testing.T) {
    51  		require := require.New(t)
    52  		f := NewPoint(expression.NewLiteral(nil, types.Null),
    53  			expression.NewLiteral(2, types.Int32),
    54  		)
    55  
    56  		v, err := f.Eval(sql.NewEmptyContext(), nil)
    57  		require.NoError(err)
    58  		require.Equal(nil, v)
    59  	})
    60  
    61  	t.Run("create valid point with null y", func(t *testing.T) {
    62  		require := require.New(t)
    63  		f := NewPoint(expression.NewLiteral(1, types.Int32),
    64  			expression.NewLiteral(nil, types.Null),
    65  		)
    66  
    67  		v, err := f.Eval(sql.NewEmptyContext(), nil)
    68  		require.NoError(err)
    69  		require.Equal(nil, v)
    70  	})
    71  
    72  	t.Run("create valid point with nulls", func(t *testing.T) {
    73  		require := require.New(t)
    74  		f := NewPoint(expression.NewLiteral(nil, types.Null),
    75  			expression.NewLiteral(nil, types.Null),
    76  		)
    77  
    78  		v, err := f.Eval(sql.NewEmptyContext(), nil)
    79  		require.NoError(err)
    80  		require.Equal(nil, v)
    81  	})
    82  }