f9dbd9fc23
* feat: replace errorCollector with ParserErrorListener to collect lexer error * refactor: remove useless method in basicParser * feat: correct splitSQLByStatement method * feat: rename parse to parseWithCache and add new parse method * refactor: rename parserTree to parseTree * test: rename parserTree to parseTree * refactor: rename parserError to parseError * feat: export ErrorHandler type * feat: use errorhandler form params * test: basic parser unit tests * style: lint via prettier
33 lines
1.0 KiB
TypeScript
33 lines
1.0 KiB
TypeScript
import FlinkSQL from '../../../src/parser/flinksql';
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import { FlinkSqlParserVisitor } from '../../../src/lib/flinksql/FlinkSqlParserVisitor';
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import { AbstractParseTreeVisitor } from 'antlr4ts/tree';
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describe('Flink SQL Visitor Tests', () => {
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const expectTableName = 'user1';
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const sql = `select id,name,sex from ${expectTableName};`;
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const parser = new FlinkSQL();
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const parseTree = parser.parse(sql, (error) => {
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console.log('Parse error:', error);
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});
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test('Visitor visitTableName', () => {
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let result = '';
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class MyVisitor
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extends AbstractParseTreeVisitor<any>
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implements FlinkSqlParserVisitor<any>
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{
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protected defaultResult() {
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return result;
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}
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visitTableExpression = (ctx): void => {
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result = ctx.text.toLowerCase();
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};
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}
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const visitor: any = new MyVisitor();
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visitor.visit(parseTree);
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expect(result).toBe(expectTableName);
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});
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});
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