885b85e842
* feat: add showIndex parser rule * test: uncomment show index test cases * test: add unit tests about DML syntax to HiveSQL * test: add unit tests about export and import syntax to HiveSQL * refactor: recompile hive grammar * test: correct description of HiveSQL unit tests
34 lines
1.1 KiB
TypeScript
34 lines
1.1 KiB
TypeScript
import { AbstractParseTreeVisitor } from 'antlr4ts/tree/AbstractParseTreeVisitor';
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import { HiveSqlParserVisitor } from '../../../src/lib/hive/HiveSqlParserVisitor';
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import HiveSQL from '../../../src/parser/hive';
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import { ProgramContext } from '../../../src/lib/hive/HiveSqlParser';
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describe('HiveSQL Visitor Tests', () => {
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const expectTableName = 'dm_gis.dlv_addr_tc_count';
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const sql = `select citycode,tc,inc_day from ${expectTableName} where inc_day='20190501' limit 100;`;
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const parser = new HiveSQL();
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const parserTree = 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 extends AbstractParseTreeVisitor<any> implements HiveSqlParserVisitor<any> {
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defaultResult() {
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return result;
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}
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visitTableName(ctx) {
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result = ctx.text.toLowerCase();
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}
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}
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const visitor = new MyVisitor();
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visitor.visit(parserTree as ProgramContext);
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expect(result).toBe(expectTableName);
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});
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});
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