lava-oushudb-dt-sql-parser/test/parser/spark/visitor.test.ts
2023-05-04 10:13:05 +08:00

27 lines
840 B
TypeScript

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