lava-oushudb-dt-sql-parser/test/parser/trinosql/visitor.test.ts
2023-05-25 10:53:03 +08:00

26 lines
813 B
TypeScript

import trinoSQL from '../../../src/parser/trinosql';
import TrinoSqlParserVisitor from '../../../src/lib/trinosql/TrinoSqlVisitor';
describe('trino SQL Visitor Tests', () => {
const expectTableName = 'user1';
const sql = `select id,name,sex from ${expectTableName};`;
const parser = new trinoSQL();
const parserTree = parser.parse(sql, (error) => {
console.log('Parse error:', error);
});
test('Visitor visitTableName', () => {
let result = '';
class MyVisitor extends TrinoSqlParserVisitor<any>{
visitTableName = (ctx): void => {
result = ctx.getText().toLowerCase();
}
}
const visitor: any = new MyVisitor();
visitor.visit(parserTree);
expect(result).toBe(expectTableName);
});
});