github.com/matrixorigin/matrixone@v1.2.0/pkg/sql/parsers/dialect/postgresql/postgresql_sql_test.go (about)

     1  // Copyright 2021 Matrix Origin
     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 postgresql
    16  
    17  import (
    18  	"context"
    19  	"testing"
    20  
    21  	"github.com/matrixorigin/matrixone/pkg/sql/parsers/dialect"
    22  	"github.com/matrixorigin/matrixone/pkg/sql/parsers/tree"
    23  )
    24  
    25  var (
    26  	debugSQL = struct {
    27  		input  string
    28  		output string
    29  	}{
    30  		input: "use db1",
    31  	}
    32  )
    33  
    34  func TestDebug(t *testing.T) {
    35  	if debugSQL.output == "" {
    36  		debugSQL.output = debugSQL.input
    37  	}
    38  	ast, err := ParseOne(context.TODO(), debugSQL.input)
    39  	if err != nil {
    40  		t.Errorf("Parse(%q) err: %v", debugSQL.input, err)
    41  		return
    42  	}
    43  	out := tree.String(ast, dialect.POSTGRESQL)
    44  	if debugSQL.output != out {
    45  		t.Errorf("Parsing failed. \nExpected/Got:\n%s\n%s", debugSQL.output, out)
    46  	}
    47  }