oushu/lava-oushudb-dt-sql-parser
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feat: add ErrorStrategy(#230)

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* refactor: rename errorHandler to errorListener

* feat: add ErrorStrategy to mark context exceptions

* test: errorStrategy unit tests
This commit is contained in:
Hayden
2023-12-11 17:34:49 +08:00
committed by GitHub
parent 61a00d7bb8
commit ee8b468778
12 changed files with 548 additions and 30 deletions
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28
test/common/basicParser.test.ts
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@ -1,5 +1,5 @@
import { CommonTokenStream } from 'antlr4ts';
import { ErrorHandler, FlinkSQL } from '../../src';
import { ErrorListener, FlinkSQL } from '../../src';
import { FlinkSqlLexer } from '../../src/lib/flinksql/FlinkSqlLexer';
describe('BasicParser unit tests', () => {
@ -12,13 +12,13 @@ describe('BasicParser unit tests', () => {
expect(lexer).not.toBeNull();
});
test('Create lexer with errorHandler', () => {
test('Create lexer with errorListener', () => {
const sql = '袋鼠云数栈UED团队';
const errors: any[] = [];
const errorHandler: ErrorHandler<any> = (err) => {
const errorListener: ErrorListener<any> = (err) => {
errors.push(err);
};
const lexer = flinkParser.createLexer(sql, errorHandler);
const lexer = flinkParser.createLexer(sql, errorListener);
const tokenStream = new CommonTokenStream(lexer);
tokenStream.fill();
expect(errors.length).not.toBe(0);
@ -32,24 +32,24 @@ describe('BasicParser unit tests', () => {
expect(parser).not.toBeNull();
});
test('Create parser with errorHandler (lexer error)', () => {
test('Create parser with errorListener (lexer error)', () => {
const sql = '袋鼠云数栈UED团队';
const errors: any[] = [];
const errorHandler: ErrorHandler<any> = (err) => {
const errorListener: ErrorListener<any> = (err) => {
errors.push(err);
};
const parser = flinkParser.createParser(sql, errorHandler);
const parser = flinkParser.createParser(sql, errorListener);
parser.program();
expect(errors.length).not.toBe(0);
});
test('Create parser with errorHandler (parse error)', () => {
test('Create parser with errorListener (parse error)', () => {
const sql = 'SHOW TA';
const errors: any[] = [];
const errorHandler: ErrorHandler<any> = (err) => {
const errorListener: ErrorListener<any> = (err) => {
errors.push(err);
};
const parser = flinkParser.createParser(sql, errorHandler);
const parser = flinkParser.createParser(sql, errorListener);
parser.program();
expect(errors.length).not.toBe(0);
});
@ -57,10 +57,10 @@ describe('BasicParser unit tests', () => {
test('Parse right input', () => {
const sql = 'SELECT * FROM tb1';
const errors: any[] = [];
const errorHandler: ErrorHandler<any> = (err) => {
const errorListener: ErrorListener<any> = (err) => {
errors.push(err);
};
const parseTree = flinkParser.parse(sql, errorHandler);
const parseTree = flinkParser.parse(sql, errorListener);
expect(parseTree).not.toBeUndefined();
expect(parseTree).not.toBeNull();
@ -70,10 +70,10 @@ describe('BasicParser unit tests', () => {
test('Parse wrong input', () => {
const sql = '袋鼠云数栈UED团队';
const errors: any[] = [];
const errorHandler: ErrorHandler<any> = (err) => {
const errorListener: ErrorListener<any> = (err) => {
errors.push(err);
};
const parseTree = flinkParser.parse(sql, errorHandler);
const parseTree = flinkParser.parse(sql, errorListener);
expect(parseTree).not.toBeUndefined();
expect(parseTree).not.toBeNull();