@wener/miniquery/src/ohm/miniquery.test.ts

SQL Where like **safe** filter expression for ORM.

import { assert, test } from 'vitest';
import { MiniQueryGrammar, toMiniQueryAST } from './';

test('miniquery syntax', () => {
	for (const v of [
		// base
		'- 1.1',
		'+ 1.1',
		`-a > -1 and +b < +2`,
		`now()`,
		// logic
		`a IS NOT TRUE and b is NOT false`,
		`(1=1) or( 1=2 )or( 1=3)or(1=3 ) `,
		`not true`,
		`not true or not 1 > 2`,
		// relational
		'1=1 and a >= 1',
		'1=1 AND a >= 1',
		`1=1 or 1=2 or 1=3 `,
		`a=b or a=0`,
		`a is  not    null`,
		`a is      null and a = true`,
		`1 in [0,1,2,3,4] and b >= 2 or c not in [] and d in ()`,
		`1 in [ 0 , 1 , 2 , 3 , 4 ]`,
		`a in ("a", "b"  ,"c")`,
		`a in (1)`,
		`a between 12 and 15 or b not between 67 and 78`,
		`a is  true and b is  not false and c is not null and d is null`,
		`owned = true`,
		`a between 1 and 2`,
		// string
		` ( a like '%hello%' ) and b not ILIKE '%world%'`,
		// `a between [1,2]`, // 特殊的 between 语法，方便构造语法
		// function
		`a()`,
		`func(123)`,
		`func(1,2,3,4,5,)`,
		`func(0,true,false,null,'a',"bc")`,
		`func(['a',1,3])`,
		`date(a) = func(123)`,
		`func(a)`,
		`func(a,b)`,
		`func( a , b )`,
		`func(a ,name==1 )`,
		`func( a, name == 1 )`,
		`func( a, name in (1,2,3) )`,
		`func( a, name in ('a','b') )`,
		`date('2021-05-12T00:00:00+08:00')`,
		`profile.age > 10`,
		// rare cases
		`null == NULL`,
		`date(created_at) between date('2021-05-12T00:00:00+08:00') and date('2021-05-14T00:00:00+08:00')`,
		`a.b: 10`,
	]) {
		const result = MiniQueryGrammar.match(v);
		assert.isTrue(result.succeeded());
		assert.doesNotThrow(() => toMiniQueryAST(result));
	}
});

test('miniquery incorrect syntax', () => {
	for (const v of [`a notlike '%hello%'`, `a notbetween a and b`]) {
		assert.isNotTrue(MiniQueryGrammar.match(v).succeeded());
	}
});