github.com/dolthub/dolt/go@v0.40.5-0.20240520175717-68db7794bea6/libraries/doltcore/rowconv/row_converter_test.go (about)

     1  // Copyright 2019 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 rowconv
    16  
    17  import (
    18  	"context"
    19  	"testing"
    20  
    21  	"github.com/dolthub/dolt/go/libraries/doltcore/schema"
    22  	"github.com/dolthub/dolt/go/store/types"
    23  )
    24  
    25  var srcCols = schema.NewColCollection(
    26  	schema.NewColumn("uuidtostr", 0, types.UUIDKind, true),
    27  	schema.NewColumn("floattostr", 1, types.FloatKind, false),
    28  	schema.NewColumn("uinttostr", 2, types.UintKind, false),
    29  	schema.NewColumn("booltostr", 3, types.BoolKind, false),
    30  	schema.NewColumn("inttostr", 4, types.IntKind, false),
    31  	schema.NewColumn("stringtostr", 5, types.StringKind, false),
    32  	schema.NewColumn("timestamptostr", 6, types.TimestampKind, false),
    33  )
    34  
    35  var srcSch = schema.MustSchemaFromCols(srcCols)
    36  
    37  func TestUnneccessaryConversion(t *testing.T) {
    38  	mapping, err := TagMapping(srcSch, srcSch)
    39  	if err != nil {
    40  		t.Fatal(err)
    41  	}
    42  
    43  	vrw := types.NewMemoryValueStore()
    44  	rconv, err := NewRowConverter(context.Background(), vrw, mapping)
    45  	if err != nil {
    46  		t.Fatal(err)
    47  	}
    48  	if !rconv.IdentityConverter {
    49  		t.Fatal("expected identity converter")
    50  	}
    51  }