Files
2026-07-13 12:32:25 +08:00

53 lines
1.8 KiB
Go

// Copyright 2024 Dolthub, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package _go
import (
"context"
"testing"
vitess "github.com/dolthub/vitess/go/vt/sqlparser"
"github.com/stretchr/testify/require"
"github.com/dolthub/doltgresql/postgres/parser/parser/sql"
)
// TestParserBehaviors tests behaviors, such as empty statement handling, for the Doltgres parser.
func TestParserBehaviors(t *testing.T) {
parser := sql.NewPostgresParser()
// Parser implementations should return Vitess' ErrEmpty error for empty statements.
t.Run("empty statement parsing", func(t *testing.T) {
emptyStatements := []string{"", " ", "\t", ";", "-- comment", "/* comment */"}
for _, statement := range emptyStatements {
parsed, err := parser.ParseSimple(statement)
require.Nil(t, parsed)
require.ErrorIs(t, err, vitess.ErrEmpty)
parsed, _, _, err = parser.Parse(nil, statement, true)
require.Nil(t, parsed)
require.ErrorIs(t, err, vitess.ErrEmpty)
parsed, _, err = parser.ParseOneWithOptions(context.Background(), statement, vitess.ParserOptions{})
require.Nil(t, parsed)
require.ErrorIs(t, err, vitess.ErrEmpty)
parsed, _, _, err = parser.ParseWithOptions(context.Background(), statement, ';', false, vitess.ParserOptions{})
require.Nil(t, parsed)
require.ErrorIs(t, err, vitess.ErrEmpty)
}
})
}