X-Git-Url: https://jfr.im/git/yt-dlp.git/blobdiff_plain/6f2287cb18cbfb27518f068d868fa9390fee78ad..90c3721a322756bb7f4ca10ceb73744500bee37e:/test/test_jsinterp.py diff --git a/test/test_jsinterp.py b/test/test_jsinterp.py index 444909b84..86928a6a0 100644 --- a/test/test_jsinterp.py +++ b/test/test_jsinterp.py @@ -8,24 +8,66 @@ sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__)))) import math -import re from yt_dlp.jsinterp import JS_Undefined, JSInterpreter +class NaN: + pass + + class TestJSInterpreter(unittest.TestCase): - def _test(self, code, ret, func='f', args=()): - self.assertEqual(JSInterpreter(code).call_function(func, *args), ret) + def _test(self, jsi_or_code, expected, func='f', args=()): + if isinstance(jsi_or_code, str): + jsi_or_code = JSInterpreter(jsi_or_code) + got = jsi_or_code.call_function(func, *args) + if expected is NaN: + self.assertTrue(math.isnan(got), f'{got} is not NaN') + else: + self.assertEqual(got, expected) def test_basic(self): jsi = JSInterpreter('function f(){;}') self.assertEqual(repr(jsi.extract_function('f')), 'F') - self.assertEqual(jsi.call_function('f'), None) + self._test(jsi, None) self._test('function f(){return 42;}', 42) self._test('function f(){42}', None) self._test('var f = function(){return 42;}', 42) + def test_add(self): + self._test('function f(){return 42 + 7;}', 49) + self._test('function f(){return 42 + undefined;}', NaN) + self._test('function f(){return 42 + null;}', 42) + + def test_sub(self): + self._test('function f(){return 42 - 7;}', 35) + self._test('function f(){return 42 - undefined;}', NaN) + self._test('function f(){return 42 - null;}', 42) + + def test_mul(self): + self._test('function f(){return 42 * 7;}', 294) + self._test('function f(){return 42 * undefined;}', NaN) + self._test('function f(){return 42 * null;}', 0) + + def test_div(self): + jsi = JSInterpreter('function f(a, b){return a / b;}') + self._test(jsi, NaN, args=(0, 0)) + self._test(jsi, NaN, args=(JS_Undefined, 1)) + self._test(jsi, float('inf'), args=(2, 0)) + self._test(jsi, 0, args=(0, 3)) + + def test_mod(self): + self._test('function f(){return 42 % 7;}', 0) + self._test('function f(){return 42 % 0;}', NaN) + self._test('function f(){return 42 % undefined;}', NaN) + + def test_exp(self): + self._test('function f(){return 42 ** 2;}', 1764) + self._test('function f(){return 42 ** undefined;}', NaN) + self._test('function f(){return 42 ** null;}', 1) + self._test('function f(){return undefined ** 42;}', NaN) + def test_calc(self): self._test('function f(a){return 2*a+1;}', 7, args=[3]) @@ -66,9 +108,8 @@ def test_assignments(self): self._test('function f(){var x = 20; x += 30 + 1; return x;}', 51) self._test('function f(){var x = 20; x -= 30 + 1; return x;}', -11) + @unittest.skip('Not implemented') def test_comments(self): - 'Skipping: Not yet fully implemented' - return self._test(''' function f() { var x = /* 1 + */ 2; @@ -97,13 +138,15 @@ def test_precedence(self): ''', [20, 20, 30, 40, 50]) def test_builtins(self): - jsi = JSInterpreter('function f() { return NaN }') - self.assertTrue(math.isnan(jsi.call_function('f'))) + self._test('function f() { return NaN }', NaN) - self._test('function f() { return new Date("Wednesday 31 December 1969 18:01:26 MDT") - 0; }', - 86000) - self._test('function f(dt) { return new Date(dt) - 0; }', - 86000, args=['Wednesday 31 December 1969 18:01:26 MDT']) + def test_date(self): + self._test('function f() { return new Date("Wednesday 31 December 1969 18:01:26 MDT") - 0; }', 86000) + + jsi = JSInterpreter('function f(dt) { return new Date(dt) - 0; }') + self._test(jsi, 86000, args=['Wednesday 31 December 1969 18:01:26 MDT']) + self._test(jsi, 86000, args=['12/31/1969 18:01:26 MDT']) # m/d/y + self._test(jsi, 0, args=['1 January 1970 00:00:00 UTC']) def test_call(self): jsi = JSInterpreter(''' @@ -111,8 +154,8 @@ def test_call(self): function y(a) { return x() + (a?a:0); } function z() { return y(3); } ''') - self.assertEqual(jsi.call_function('z'), 5) - self.assertEqual(jsi.call_function('y'), 2) + self._test(jsi, 5, func='z') + self._test(jsi, 2, func='y') def test_if(self): self._test(''' @@ -159,9 +202,9 @@ def test_switch(self): default:x=0; } return x } ''') - self.assertEqual(jsi.call_function('f', 1), 7) - self.assertEqual(jsi.call_function('f', 3), 6) - self.assertEqual(jsi.call_function('f', 5), 0) + self._test(jsi, 7, args=[1]) + self._test(jsi, 6, args=[3]) + self._test(jsi, 0, args=[5]) def test_switch_default(self): jsi = JSInterpreter(''' @@ -174,9 +217,9 @@ def test_switch_default(self): case 1: x+=1; } return x } ''') - self.assertEqual(jsi.call_function('f', 1), 2) - self.assertEqual(jsi.call_function('f', 5), 11) - self.assertEqual(jsi.call_function('f', 9), 14) + self._test(jsi, 2, args=[1]) + self._test(jsi, 11, args=[5]) + self._test(jsi, 14, args=[9]) def test_try(self): self._test('function f() { try{return 10} catch(e){return 5} }', 10) @@ -273,7 +316,9 @@ def test_object(self): def test_regex(self): self._test('function f() { let a=/,,[/,913,/](,)}/; }', None) + self._test('function f() { let a=/,,[/,913,/](,)}/; return a; }', R'/,,[/,913,/](,)}/0') + R''' # We are not compiling regex jsi = JSInterpreter('function f() { let a=/,,[/,913,/](,)}/; return a; }') self.assertIsInstance(jsi.call_function('f'), re.Pattern) @@ -285,15 +330,29 @@ def test_regex(self): jsi = JSInterpreter(R'function f() { let a=[/[)\\]/]; return a[0]; }') self.assertEqual(jsi.call_function('f').pattern, r'[)\\]') + ''' + + @unittest.skip('Not implemented') + def test_replace(self): + self._test('function f() { let a="data-name".replace("data-", ""); return a }', + 'name') + self._test('function f() { let a="data-name".replace(new RegExp("^.+-"), ""); return a; }', + 'name') + self._test('function f() { let a="data-name".replace(/^.+-/, ""); return a; }', + 'name') + self._test('function f() { let a="data-name".replace(/a/g, "o"); return a; }', + 'doto-nome') + self._test('function f() { let a="data-name".replaceAll("a", "o"); return a; }', + 'doto-nome') def test_char_code_at(self): jsi = JSInterpreter('function f(i){return "test".charCodeAt(i)}') - self.assertEqual(jsi.call_function('f', 0), 116) - self.assertEqual(jsi.call_function('f', 1), 101) - self.assertEqual(jsi.call_function('f', 2), 115) - self.assertEqual(jsi.call_function('f', 3), 116) - self.assertEqual(jsi.call_function('f', 4), None) - self.assertEqual(jsi.call_function('f', 'not_a_number'), 116) + self._test(jsi, 116, args=[0]) + self._test(jsi, 101, args=[1]) + self._test(jsi, 115, args=[2]) + self._test(jsi, 116, args=[3]) + self._test(jsi, None, args=[4]) + self._test(jsi, 116, args=['not_a_number']) def test_bitwise_operators_overflow(self): self._test('function f(){return -524999584 << 5}', 379882496) @@ -311,6 +370,11 @@ def test_negative(self): self._test('function f(){return 2 - + + - -2;}', 0) self._test('function f(){return 2 + - + - -2;}', 0) + @unittest.skip('Not implemented') + def test_packed(self): + jsi = JSInterpreter('''function f(p,a,c,k,e,d){while(c--)if(k[c])p=p.replace(new RegExp('\\b'+c.toString(a)+'\\b','g'),k[c]);return p}''') + self.assertEqual(jsi.call_function('f', '''h 7=g("1j");7.7h({7g:[{33:"w://7f-7e-7d-7c.v.7b/7a/79/78/77/76.74?t=73&s=2s&e=72&f=2t&71=70.0.0.1&6z=6y&6x=6w"}],6v:"w://32.v.u/6u.31",16:"r%",15:"r%",6t:"6s",6r:"",6q:"l",6p:"l",6o:"6n",6m:\'6l\',6k:"6j",9:[{33:"/2u?b=6i&n=50&6h=w://32.v.u/6g.31",6f:"6e"}],1y:{6d:1,6c:\'#6b\',6a:\'#69\',68:"67",66:30,65:r,},"64":{63:"%62 2m%m%61%5z%5y%5x.u%5w%5v%5u.2y%22 2k%m%1o%22 5t%m%1o%22 5s%m%1o%22 2j%m%5r%22 16%m%5q%22 15%m%5p%22 5o%2z%5n%5m%2z",5l:"w://v.u/d/1k/5k.2y",5j:[]},\'5i\':{"5h":"5g"},5f:"5e",5d:"w://v.u",5c:{},5b:l,1x:[0.25,0.50,0.75,1,1.25,1.5,2]});h 1m,1n,5a;h 59=0,58=0;h 7=g("1j");h 2x=0,57=0,56=0;$.55({54:{\'53-52\':\'2i-51\'}});7.j(\'4z\',6(x){c(5>0&&x.1l>=5&&1n!=1){1n=1;$(\'q.4y\').4x(\'4w\')}});7.j(\'13\',6(x){2x=x.1l});7.j(\'2g\',6(x){2w(x)});7.j(\'4v\',6(){$(\'q.2v\').4u()});6 2w(x){$(\'q.2v\').4t();c(1m)19;1m=1;17=0;c(4s.4r===l){17=1}$.4q(\'/2u?b=4p&2l=1k&4o=2t-4n-4m-2s-4l&4k=&4j=&4i=&17=\'+17,6(2r){$(\'#4h\').4g(2r)});$(\'.3-8-4f-4e:4d("4c")\').2h(6(e){2q();g().4b(0);g().4a(l)});6 2q(){h $14=$("").2p({1l:"49",16:"r%",15:"r%",48:0,2n:0,2o:47,46:"45(10%, 10%, 10%, 0.4)","44-43":"42"});$("<41 />").2p({16:"60%",15:"60%",2o:40,"3z-2n":"3y"}).3x({\'2m\':\'/?b=3w&2l=1k\',\'2k\':\'0\',\'2j\':\'2i\'}).2f($14);$14.2h(6(){$(3v).3u();g().2g()});$14.2f($(\'#1j\'))}g().13(0);}6 3t(){h 9=7.1b(2e);2d.2c(9);c(9.n>1){1r(i=0;i<9.n;i++){c(9[i].1a==2e){2d.2c(\'!!=\'+i);7.1p(i)}}}}7.j(\'3s\',6(){g().1h("/2a/3r.29","3q 10 28",6(){g().13(g().27()+10)},"2b");$("q[26=2b]").23().21(\'.3-20-1z\');g().1h("/2a/3p.29","3o 10 28",6(){h 12=g().27()-10;c(12<0)12=0;g().13(12)},"24");$("q[26=24]").23().21(\'.3-20-1z\');});6 1i(){}7.j(\'3n\',6(){1i()});7.j(\'3m\',6(){1i()});7.j("k",6(y){h 9=7.1b();c(9.n<2)19;$(\'.3-8-3l-3k\').3j(6(){$(\'#3-8-a-k\').1e(\'3-8-a-z\');$(\'.3-a-k\').p(\'o-1f\',\'11\')});7.1h("/3i/3h.3g","3f 3e",6(){$(\'.3-1w\').3d(\'3-8-1v\');$(\'.3-8-1y, .3-8-1x\').p(\'o-1g\',\'11\');c($(\'.3-1w\').3c(\'3-8-1v\')){$(\'.3-a-k\').p(\'o-1g\',\'l\');$(\'.3-a-k\').p(\'o-1f\',\'l\');$(\'.3-8-a\').1e(\'3-8-a-z\');$(\'.3-8-a:1u\').3b(\'3-8-a-z\')}3a{$(\'.3-a-k\').p(\'o-1g\',\'11\');$(\'.3-a-k\').p(\'o-1f\',\'11\');$(\'.3-8-a:1u\').1e(\'3-8-a-z\')}},"39");7.j("38",6(y){1d.37(\'1c\',y.9[y.36].1a)});c(1d.1t(\'1c\')){35("1s(1d.1t(\'1c\'));",34)}});h 18;6 1s(1q){h 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+ if __name__ == '__main__': unittest.main()