github.com/matrixorigin/matrixone@v0.7.0/pkg/sql/parsers/sqlparse_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 parsers
    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/dialect/mysql"
    23  	"github.com/matrixorigin/matrixone/pkg/sql/parsers/dialect/postgresql"
    24  	"github.com/matrixorigin/matrixone/pkg/sql/parsers/tree"
    25  )
    26  
    27  var (
    28  	debugSQL = struct {
    29  		input  string
    30  		output string
    31  	}{
    32  		input: "use db1",
    33  	}
    34  )
    35  
    36  func TestMysql(t *testing.T) {
    37  	ctx := context.TODO()
    38  	if debugSQL.output == "" {
    39  		debugSQL.output = debugSQL.input
    40  	}
    41  	ast, err := mysql.ParseOne(ctx, debugSQL.input)
    42  	if err != nil {
    43  		t.Errorf("Parse(%q) err: %v", debugSQL.input, err)
    44  		return
    45  	}
    46  	out := tree.String(ast, dialect.MYSQL)
    47  	if debugSQL.output != out {
    48  		t.Errorf("Parsing failed. \nExpected/Got:\n%s\n%s", debugSQL.output, out)
    49  	}
    50  }
    51  
    52  func TestPostgresql(t *testing.T) {
    53  	ctx := context.TODO()
    54  	if debugSQL.output == "" {
    55  		debugSQL.output = debugSQL.input
    56  	}
    57  	ast, err := postgresql.ParseOne(ctx, debugSQL.input)
    58  	if err != nil {
    59  		t.Errorf("Parse(%q) err: %v", debugSQL.input, err)
    60  		return
    61  	}
    62  	out := tree.String(ast, dialect.POSTGRESQL)
    63  	if debugSQL.output != out {
    64  		t.Errorf("Parsing failed. \nExpected/Got:\n%s\n%s", debugSQL.output, out)
    65  	}
    66  }