diff options
Diffstat (limited to 'test/test_jsinterp.py')
| -rw-r--r-- | test/test_jsinterp.py | 685 |
1 files changed, 247 insertions, 438 deletions
diff --git a/test/test_jsinterp.py b/test/test_jsinterp.py index da8e98020..86d7f0d46 100644 --- a/test/test_jsinterp.py +++ b/test/test_jsinterp.py @@ -11,194 +11,146 @@ sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__)))) import math import re +from youtube_dl.compat import compat_str from youtube_dl.jsinterp import JS_Undefined, JSInterpreter +NaN = object() -class TestJSInterpreter(unittest.TestCase): - def test_basic(self): - jsi = JSInterpreter('function x(){;}') - self.assertEqual(jsi.call_function('x'), None) - self.assertEqual(repr(jsi.extract_function('x')), 'F<x>') - - jsi = JSInterpreter('function x3(){return 42;}') - self.assertEqual(jsi.call_function('x3'), 42) - jsi = JSInterpreter('function x3(){42}') - self.assertEqual(jsi.call_function('x3'), None) +class TestJSInterpreter(unittest.TestCase): + def _test(self, jsi_or_code, expected, func='f', args=()): + if isinstance(jsi_or_code, compat_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), '{0} is not NaN'.format(got)) + else: + self.assertEqual(got, expected) - jsi = JSInterpreter('var x5 = function(){return 42;}') - self.assertEqual(jsi.call_function('x5'), 42) + def test_basic(self): + jsi = JSInterpreter('function f(){;}') + self.assertEqual(repr(jsi.extract_function('f')), 'F<f>') + self._test(jsi, None) - def test_calc(self): - jsi = JSInterpreter('function x4(a){return 2*a+1;}') - self.assertEqual(jsi.call_function('x4', 3), 7) + 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): - jsi = JSInterpreter('function f(){return 42 + 7;}') - self.assertEqual(jsi.call_function('f'), 49) - jsi = JSInterpreter('function f(){return 42 + undefined;}') - self.assertTrue(math.isnan(jsi.call_function('f'))) - jsi = JSInterpreter('function f(){return 42 + null;}') - self.assertEqual(jsi.call_function('f'), 42) + 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): - jsi = JSInterpreter('function f(){return 42 - 7;}') - self.assertEqual(jsi.call_function('f'), 35) - jsi = JSInterpreter('function f(){return 42 - undefined;}') - self.assertTrue(math.isnan(jsi.call_function('f'))) - jsi = JSInterpreter('function f(){return 42 - null;}') - self.assertEqual(jsi.call_function('f'), 42) + 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): - jsi = JSInterpreter('function f(){return 42 * 7;}') - self.assertEqual(jsi.call_function('f'), 294) - jsi = JSInterpreter('function f(){return 42 * undefined;}') - self.assertTrue(math.isnan(jsi.call_function('f'))) - jsi = JSInterpreter('function f(){return 42 * null;}') - self.assertEqual(jsi.call_function('f'), 0) + 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.assertTrue(math.isnan(jsi.call_function('f', 0, 0))) - self.assertTrue(math.isnan(jsi.call_function('f', JS_Undefined, 1))) - self.assertTrue(math.isinf(jsi.call_function('f', 2, 0))) - self.assertEqual(jsi.call_function('f', 0, 3), 0) + 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): - jsi = JSInterpreter('function f(){return 42 % 7;}') - self.assertEqual(jsi.call_function('f'), 0) - jsi = JSInterpreter('function f(){return 42 % 0;}') - self.assertTrue(math.isnan(jsi.call_function('f'))) - jsi = JSInterpreter('function f(){return 42 % undefined;}') - self.assertTrue(math.isnan(jsi.call_function('f'))) + 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): - jsi = JSInterpreter('function f(){return 42 ** 2;}') - self.assertEqual(jsi.call_function('f'), 1764) - jsi = JSInterpreter('function f(){return 42 ** undefined;}') - self.assertTrue(math.isnan(jsi.call_function('f'))) - jsi = JSInterpreter('function f(){return 42 ** null;}') - self.assertEqual(jsi.call_function('f'), 1) - jsi = JSInterpreter('function f(){return undefined ** 42;}') - self.assertTrue(math.isnan(jsi.call_function('f'))) + 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]) def test_empty_return(self): - jsi = JSInterpreter('function f(){return; y()}') - self.assertEqual(jsi.call_function('f'), None) + self._test('function f(){return; y()}', None) def test_morespace(self): - jsi = JSInterpreter('function x (a) { return 2 * a + 1 ; }') - self.assertEqual(jsi.call_function('x', 3), 7) - - jsi = JSInterpreter('function f () { x = 2 ; return x; }') - self.assertEqual(jsi.call_function('f'), 2) + self._test('function f (a) { return 2 * a + 1 ; }', 7, args=[3]) + self._test('function f () { x = 2 ; return x; }', 2) def test_strange_chars(self): - jsi = JSInterpreter('function $_xY1 ($_axY1) { var $_axY2 = $_axY1 + 1; return $_axY2; }') - self.assertEqual(jsi.call_function('$_xY1', 20), 21) + self._test('function $_xY1 ($_axY1) { var $_axY2 = $_axY1 + 1; return $_axY2; }', + 21, args=[20], func='$_xY1') def test_operators(self): - jsi = JSInterpreter('function f(){return 1 << 5;}') - self.assertEqual(jsi.call_function('f'), 32) - - jsi = JSInterpreter('function f(){return 2 ** 5}') - self.assertEqual(jsi.call_function('f'), 32) - - jsi = JSInterpreter('function f(){return 19 & 21;}') - self.assertEqual(jsi.call_function('f'), 17) - - jsi = JSInterpreter('function f(){return 11 >> 2;}') - self.assertEqual(jsi.call_function('f'), 2) - - jsi = JSInterpreter('function f(){return []? 2+3: 4;}') - self.assertEqual(jsi.call_function('f'), 5) - - jsi = JSInterpreter('function f(){return 1 == 2}') - self.assertEqual(jsi.call_function('f'), False) - - jsi = JSInterpreter('function f(){return 0 && 1 || 2;}') - self.assertEqual(jsi.call_function('f'), 2) - - jsi = JSInterpreter('function f(){return 0 ?? 42;}') - self.assertEqual(jsi.call_function('f'), 0) - - jsi = JSInterpreter('function f(){return "life, the universe and everything" < 42;}') - self.assertFalse(jsi.call_function('f')) + self._test('function f(){return 1 << 5;}', 32) + self._test('function f(){return 2 ** 5}', 32) + self._test('function f(){return 19 & 21;}', 17) + self._test('function f(){return 11 >> 2;}', 2) + self._test('function f(){return []? 2+3: 4;}', 5) + self._test('function f(){return 1 == 2}', False) + self._test('function f(){return 0 && 1 || 2;}', 2) + self._test('function f(){return 0 ?? 42;}', 0) + self._test('function f(){return "life, the universe and everything" < 42;}', False) + # https://github.com/ytdl-org/youtube-dl/issues/32815 + self._test('function f(){return 0 - 7 * - 6;}', 42) def test_array_access(self): - jsi = JSInterpreter('function f(){var x = [1,2,3]; x[0] = 4; x[0] = 5; x[2.0] = 7; return x;}') - self.assertEqual(jsi.call_function('f'), [5, 2, 7]) + self._test('function f(){var x = [1,2,3]; x[0] = 4; x[0] = 5; x[2.0] = 7; return x;}', [5, 2, 7]) def test_parens(self): - jsi = JSInterpreter('function f(){return (1) + (2) * ((( (( (((((3)))))) )) ));}') - self.assertEqual(jsi.call_function('f'), 7) - - jsi = JSInterpreter('function f(){return (1 + 2) * 3;}') - self.assertEqual(jsi.call_function('f'), 9) + self._test('function f(){return (1) + (2) * ((( (( (((((3)))))) )) ));}', 7) + self._test('function f(){return (1 + 2) * 3;}', 9) def test_quotes(self): - jsi = JSInterpreter(r'function f(){return "a\"\\("}') - self.assertEqual(jsi.call_function('f'), r'a"\(') + self._test(r'function f(){return "a\"\\("}', r'a"\(') def test_assignments(self): - jsi = JSInterpreter('function f(){var x = 20; x = 30 + 1; return x;}') - self.assertEqual(jsi.call_function('f'), 31) - - jsi = JSInterpreter('function f(){var x = 20; x += 30 + 1; return x;}') - self.assertEqual(jsi.call_function('f'), 51) - - jsi = JSInterpreter('function f(){var x = 20; x -= 30 + 1; return x;}') - self.assertEqual(jsi.call_function('f'), -11) + self._test('function f(){var x = 20; x = 30 + 1; return x;}', 31) + 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 yet fully implemented') def test_comments(self): - 'Skipping: Not yet fully implemented' - return - jsi = JSInterpreter(''' - function x() { - var x = /* 1 + */ 2; - var y = /* 30 - * 40 */ 50; - return x + y; - } - ''') - self.assertEqual(jsi.call_function('x'), 52) - - jsi = JSInterpreter(''' - function f() { - var x = "/*"; - var y = 1 /* comment */ + 2; - return y; - } - ''') - self.assertEqual(jsi.call_function('f'), 3) + self._test(''' + function f() { + var x = /* 1 + */ 2; + var y = /* 30 + * 40 */ 50; + return x + y; + } + ''', 52) + + self._test(''' + function f() { + var x = "/*"; + var y = 1 /* comment */ + 2; + return y; + } + ''', 3) def test_precedence(self): - jsi = JSInterpreter(''' - function x() { - var a = [10, 20, 30, 40, 50]; - var b = 6; - a[0]=a[b%a.length]; - return a; - }''') - self.assertEqual(jsi.call_function('x'), [20, 20, 30, 40, 50]) + self._test(''' + function f() { + var a = [10, 20, 30, 40, 50]; + var b = 6; + a[0]=a[b%a.length]; + return a; + } + ''', [20, 20, 30, 40, 50]) def test_builtins(self): - jsi = JSInterpreter(''' - function x() { return NaN } - ''') - self.assertTrue(math.isnan(jsi.call_function('x'))) + self._test('function f() { return NaN }', NaN) def test_Date(self): - jsi = JSInterpreter(''' - function x(dt) { return new Date(dt) - 0; } - ''') - self.assertEqual(jsi.call_function('x', 'Wednesday 31 December 1969 18:01:26 MDT'), 86000) + 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; }') # date format m/d/y - self.assertEqual(jsi.call_function('x', '12/31/1969 18:01:26 MDT'), 86000) - + self._test(jsi, 86000, args=['12/31/1969 18:01:26 MDT']) # epoch 0 - self.assertEqual(jsi.call_function('x', '1 January 1970 00:00:00 UTC'), 0) + self._test(jsi, 0, args=['1 January 1970 00:00:00 UTC']) def test_call(self): jsi = JSInterpreter(''' @@ -206,179 +158,115 @@ class TestJSInterpreter(unittest.TestCase): 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): - jsi = JSInterpreter(''' - function x() { + self._test(''' + function f() { let a = 9; if (0==0) {a++} return a - }''') - self.assertEqual(jsi.call_function('x'), 10) + } + ''', 10) - jsi = JSInterpreter(''' - function x() { + self._test(''' + function f() { if (0==0) {return 10} - }''') - self.assertEqual(jsi.call_function('x'), 10) + } + ''', 10) - jsi = JSInterpreter(''' - function x() { + self._test(''' + function f() { if (0!=0) {return 1} else {return 10} - }''') - self.assertEqual(jsi.call_function('x'), 10) - - """ # Unsupported - jsi = JSInterpreter(''' - function x() { - if (0!=0) return 1; - else {return 10} - }''') - self.assertEqual(jsi.call_function('x'), 10) - """ + } + ''', 10) def test_elseif(self): - jsi = JSInterpreter(''' - function x() { - if (0!=0) {return 1} - else if (1==0) {return 2} - else {return 10} - }''') - self.assertEqual(jsi.call_function('x'), 10) - - """ # Unsupported - jsi = JSInterpreter(''' - function x() { - if (0!=0) return 1; - else if (1==0) {return 2} - else {return 10} - }''') - self.assertEqual(jsi.call_function('x'), 10) - # etc - """ + self._test(''' + function f() { + if (0!=0) {return 1} + else if (1==0) {return 2} + else {return 10} + } + ''', 10) def test_for_loop(self): - # function x() { a=0; for (i=0; i-10; i++) {a++} a } - jsi = JSInterpreter(''' - function x() { a=0; for (i=0; i-10; i++) {a++} return a } - ''') - self.assertEqual(jsi.call_function('x'), 10) + self._test('function f() { a=0; for (i=0; i-10; i++) {a++} return a }', 10) def test_while_loop(self): - # function x() { a=0; while (a<10) {a++} a } - jsi = JSInterpreter(''' - function x() { a=0; while (a<10) {a++} return a } - ''') - self.assertEqual(jsi.call_function('x'), 10) + self._test('function f() { a=0; while (a<10) {a++} return a }', 10) def test_switch(self): jsi = JSInterpreter(''' - function x(f) { switch(f){ - case 1:f+=1; - case 2:f+=2; - case 3:f+=3;break; - case 4:f+=4; - default:f=0; - } return f } + function f(x) { switch(x){ + case 1:x+=1; + case 2:x+=2; + case 3:x+=3;break; + case 4:x+=4; + default:x=0; + } return x } ''') - self.assertEqual(jsi.call_function('x', 1), 7) - self.assertEqual(jsi.call_function('x', 3), 6) - self.assertEqual(jsi.call_function('x', 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(''' - function x(f) { switch(f){ - case 2: f+=2; - default: f-=1; - case 5: - case 6: f+=6; - case 0: break; - case 1: f+=1; - } return f } + function f(x) { switch(x){ + case 2: x+=2; + default: x-=1; + case 5: + case 6: x+=6; + case 0: break; + case 1: x+=1; + } return x } ''') - self.assertEqual(jsi.call_function('x', 1), 2) - self.assertEqual(jsi.call_function('x', 5), 11) - self.assertEqual(jsi.call_function('x', 9), 14) + self._test(jsi, 2, args=[1]) + self._test(jsi, 11, args=[5]) + self._test(jsi, 14, args=[9]) def test_try(self): - jsi = JSInterpreter(''' - function x() { try{return 10} catch(e){return 5} } - ''') - self.assertEqual(jsi.call_function('x'), 10) + self._test('function f() { try{return 10} catch(e){return 5} }', 10) def test_catch(self): - jsi = JSInterpreter(''' - function x() { try{throw 10} catch(e){return 5} } - ''') - self.assertEqual(jsi.call_function('x'), 5) + self._test('function f() { try{throw 10} catch(e){return 5} }', 5) def test_finally(self): - jsi = JSInterpreter(''' - function x() { try{throw 10} finally {return 42} } - ''') - self.assertEqual(jsi.call_function('x'), 42) - jsi = JSInterpreter(''' - function x() { try{throw 10} catch(e){return 5} finally {return 42} } - ''') - self.assertEqual(jsi.call_function('x'), 42) + self._test('function f() { try{throw 10} finally {return 42} }', 42) + self._test('function f() { try{throw 10} catch(e){return 5} finally {return 42} }', 42) def test_nested_try(self): - jsi = JSInterpreter(''' - function x() {try { - try{throw 10} finally {throw 42} + self._test(''' + function f() {try { + try{throw 10} finally {throw 42} } catch(e){return 5} } - ''') - self.assertEqual(jsi.call_function('x'), 5) + ''', 5) def test_for_loop_continue(self): - jsi = JSInterpreter(''' - function x() { a=0; for (i=0; i-10; i++) { continue; a++ } return a } - ''') - self.assertEqual(jsi.call_function('x'), 0) + self._test('function f() { a=0; for (i=0; i-10; i++) { continue; a++ } return a }', 0) def test_for_loop_break(self): - jsi = JSInterpreter(''' - function x() { a=0; for (i=0; i-10; i++) { break; a++ } return a } - ''') - self.assertEqual(jsi.call_function('x'), 0) + self._test('function f() { a=0; for (i=0; i-10; i++) { break; a++ } return a }', 0) def test_for_loop_try(self): - jsi = JSInterpreter(''' - function x() { - for (i=0; i-10; i++) { try { if (i == 5) throw i} catch {return 10} finally {break} }; - return 42 } - ''') - self.assertEqual(jsi.call_function('x'), 42) + self._test(''' + function f() { + for (i=0; i-10; i++) { try { if (i == 5) throw i} catch {return 10} finally {break} }; + return 42 } + ''', 42) def test_literal_list(self): - jsi = JSInterpreter(''' - function x() { return [1, 2, "asdf", [5, 6, 7]][3] } - ''') - self.assertEqual(jsi.call_function('x'), [5, 6, 7]) + self._test('function f() { return [1, 2, "asdf", [5, 6, 7]][3] }', [5, 6, 7]) def test_comma(self): - jsi = JSInterpreter(''' - function x() { a=5; a -= 1, a+=3; return a } - ''') - self.assertEqual(jsi.call_function('x'), 7) - jsi = JSInterpreter(''' - function x() { a=5; return (a -= 1, a+=3, a); } - ''') - self.assertEqual(jsi.call_function('x'), 7) - - jsi = JSInterpreter(''' - function x() { return (l=[0,1,2,3], function(a, b){return a+b})((l[1], l[2]), l[3]) } - ''') - self.assertEqual(jsi.call_function('x'), 5) + self._test('function f() { a=5; a -= 1, a+=3; return a }', 7) + self._test('function f() { a=5; return (a -= 1, a+=3, a); }', 7) + self._test('function f() { return (l=[0,1,2,3], function(a, b){return a+b})((l[1], l[2]), l[3]) }', 5) def test_void(self): - jsi = JSInterpreter(''' - function x() { return void 42; } - ''') - self.assertEqual(jsi.call_function('x'), None) + self._test('function f() { return void 42; }', None) def test_return_function(self): jsi = JSInterpreter(''' @@ -387,110 +275,60 @@ class TestJSInterpreter(unittest.TestCase): self.assertEqual(jsi.call_function('x')([]), 1) def test_null(self): - jsi = JSInterpreter(''' - function x() { return null; } - ''') - self.assertIs(jsi.call_function('x'), None) - - jsi = JSInterpreter(''' - function x() { return [null > 0, null < 0, null == 0, null === 0]; } - ''') - self.assertEqual(jsi.call_function('x'), [False, False, False, False]) - - jsi = JSInterpreter(''' - function x() { return [null >= 0, null <= 0]; } - ''') - self.assertEqual(jsi.call_function('x'), [True, True]) + self._test('function f() { return null; }', None) + self._test('function f() { return [null > 0, null < 0, null == 0, null === 0]; }', + [False, False, False, False]) + self._test('function f() { return [null >= 0, null <= 0]; }', [True, True]) def test_undefined(self): - jsi = JSInterpreter(''' - function x() { return undefined === undefined; } - ''') - self.assertTrue(jsi.call_function('x')) - - jsi = JSInterpreter(''' - function x() { return undefined; } - ''') - self.assertIs(jsi.call_function('x'), JS_Undefined) - - jsi = JSInterpreter(''' - function x() { let v; return v; } - ''') - self.assertIs(jsi.call_function('x'), JS_Undefined) - - jsi = JSInterpreter(''' - function x() { return [undefined === undefined, undefined == undefined, undefined < undefined, undefined > undefined]; } - ''') - self.assertEqual(jsi.call_function('x'), [True, True, False, False]) - - jsi = JSInterpreter(''' - function x() { return [undefined === 0, undefined == 0, undefined < 0, undefined > 0]; } - ''') - self.assertEqual(jsi.call_function('x'), [False, False, False, False]) - - jsi = JSInterpreter(''' - function x() { return [undefined >= 0, undefined <= 0]; } - ''') - self.assertEqual(jsi.call_function('x'), [False, False]) - - jsi = JSInterpreter(''' - function x() { return [undefined > null, undefined < null, undefined == null, undefined === null]; } - ''') - self.assertEqual(jsi.call_function('x'), [False, False, True, False]) - - jsi = JSInterpreter(''' - function x() { return [undefined === null, undefined == null, undefined < null, undefined > null]; } - ''') - self.assertEqual(jsi.call_function('x'), [False, True, False, False]) - - jsi = JSInterpreter(''' - function x() { let v; return [42+v, v+42, v**42, 42**v, 0**v]; } + self._test('function f() { return undefined === undefined; }', True) + self._test('function f() { return undefined; }', JS_Undefined) + self._test('function f() {return undefined ?? 42; }', 42) + self._test('function f() { let v; return v; }', JS_Undefined) + self._test('function f() { let v; return v**0; }', 1) + self._test('function f() { let v; return [v>42, v<=42, v&&42, 42&&v]; }', + [False, False, JS_Undefined, JS_Undefined]) + + self._test(''' + function f() { return [ + undefined === undefined, + undefined == undefined, + undefined == null + ]; } + ''', [True] * 3) + self._test(''' + function f() { return [ + undefined < undefined, + undefined > undefined, + undefined === 0, + undefined == 0, + undefined < 0, + undefined > 0, + undefined >= 0, + undefined <= 0, + undefined > null, + undefined < null, + undefined === null + ]; } + ''', [False] * 11) + + jsi = JSInterpreter(''' + function x() { let v; return [42+v, v+42, v**42, 42**v, 0**v]; } ''') for y in jsi.call_function('x'): self.assertTrue(math.isnan(y)) - jsi = JSInterpreter(''' - function x() { let v; return v**0; } - ''') - self.assertEqual(jsi.call_function('x'), 1) - - jsi = JSInterpreter(''' - function x() { let v; return [v>42, v<=42, v&&42, 42&&v]; } - ''') - self.assertEqual(jsi.call_function('x'), [False, False, JS_Undefined, JS_Undefined]) - - jsi = JSInterpreter('function x(){return undefined ?? 42; }') - self.assertEqual(jsi.call_function('x'), 42) - def test_object(self): - jsi = JSInterpreter(''' - function x() { return {}; } - ''') - self.assertEqual(jsi.call_function('x'), {}) - - jsi = JSInterpreter(''' - function x() { let a = {m1: 42, m2: 0 }; return [a["m1"], a.m2]; } - ''') - self.assertEqual(jsi.call_function('x'), [42, 0]) - - jsi = JSInterpreter(''' - function x() { let a; return a?.qq; } - ''') - self.assertIs(jsi.call_function('x'), JS_Undefined) - - jsi = JSInterpreter(''' - function x() { let a = {m1: 42, m2: 0 }; return a?.qq; } - ''') - self.assertIs(jsi.call_function('x'), JS_Undefined) + self._test('function f() { return {}; }', {}) + self._test('function f() { let a = {m1: 42, m2: 0 }; return [a["m1"], a.m2]; }', [42, 0]) + self._test('function f() { let a; return a?.qq; }', JS_Undefined) + self._test('function f() { let a = {m1: 42, m2: 0 }; return a?.qq; }', JS_Undefined) def test_regex(self): - jsi = JSInterpreter(''' - function x() { let a=/,,[/,913,/](,)}/; } - ''') - self.assertIs(jsi.call_function('x'), None) + self._test('function f() { let a=/,,[/,913,/](,)}/; }', None) jsi = JSInterpreter(''' - function x() { let a=/,,[/,913,/](,)}/; "".replace(a, ""); return a; } + function x() { let a=/,,[/,913,/](,)}/; "".replace(a, ""); return a; } ''') attrs = set(('findall', 'finditer', 'match', 'scanner', 'search', 'split', 'sub', 'subn')) @@ -500,94 +338,65 @@ class TestJSInterpreter(unittest.TestCase): self.assertSetEqual(set(dir(jsi.call_function('x'))) & attrs, attrs) jsi = JSInterpreter(''' - function x() { let a=/,,[/,913,/](,)}/i; return a; } + function x() { let a=/,,[/,913,/](,)}/i; return a; } ''') self.assertEqual(jsi.call_function('x').flags & ~re.U, re.I) - jsi = JSInterpreter(r''' - function x() { let a="data-name".replace("data-", ""); return a } - ''') - self.assertEqual(jsi.call_function('x'), 'name') - - jsi = JSInterpreter(r''' - function x() { let a="data-name".replace(new RegExp("^.+-"), ""); return a; } - ''') - self.assertEqual(jsi.call_function('x'), 'name') - - jsi = JSInterpreter(r''' - function x() { let a="data-name".replace(/^.+-/, ""); return a; } - ''') - self.assertEqual(jsi.call_function('x'), 'name') - - jsi = JSInterpreter(r''' - function x() { let a="data-name".replace(/a/g, "o"); return a; } - ''') - self.assertEqual(jsi.call_function('x'), 'doto-nome') - - jsi = JSInterpreter(r''' - function x() { let a="data-name".replaceAll("a", "o"); return a; } - ''') - self.assertEqual(jsi.call_function('x'), 'doto-nome') + jsi = JSInterpreter(r'function f() { let a=/,][}",],()}(\[)/; return a; }') + self.assertEqual(jsi.call_function('f').pattern, r',][}",],()}(\[)') - jsi = JSInterpreter(r''' - function x() { let a=[/[)\\]/]; return a[0]; } - ''') - self.assertEqual(jsi.call_function('x').pattern, r'[)\\]') + jsi = JSInterpreter(r'function f() { let a=[/[)\\]/]; return a[0]; }') + self.assertEqual(jsi.call_function('f').pattern, r'[)\\]') - """ # fails - jsi = JSInterpreter(r''' - function x() { let a=100; a/=/[0-9]+/.exec('divide by 20 today')[0]; } - ''') - self.assertEqual(jsi.call_function('x'), 5) - """ + 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 x(i){return "test".charCodeAt(i)}') - self.assertEqual(jsi.call_function('x', 0), 116) - self.assertEqual(jsi.call_function('x', 1), 101) - self.assertEqual(jsi.call_function('x', 2), 115) - self.assertEqual(jsi.call_function('x', 3), 116) - self.assertEqual(jsi.call_function('x', 4), None) - self.assertEqual(jsi.call_function('x', 'not_a_number'), 116) + jsi = JSInterpreter('function f(i){return "test".charCodeAt(i)}') + 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): - jsi = JSInterpreter('function x(){return -524999584 << 5}') - self.assertEqual(jsi.call_function('x'), 379882496) - - jsi = JSInterpreter('function x(){return 1236566549 << 5}') - self.assertEqual(jsi.call_function('x'), 915423904) - - def test_bitwise_operators_madness(self): - jsi = JSInterpreter('function x(){return null << 5}') - self.assertEqual(jsi.call_function('x'), 0) - - jsi = JSInterpreter('function x(){return undefined >> 5}') - self.assertEqual(jsi.call_function('x'), 0) - - jsi = JSInterpreter('function x(){return 42 << NaN}') - self.assertEqual(jsi.call_function('x'), 42) - - jsi = JSInterpreter('function x(){return 42 << Infinity}') - self.assertEqual(jsi.call_function('x'), 42) + self._test('function f(){return -524999584 << 5}', 379882496) + self._test('function f(){return 1236566549 << 5}', 915423904) + + def test_bitwise_operators_typecast(self): + # madness + self._test('function f(){return null << 5}', 0) + self._test('function f(){return undefined >> 5}', 0) + self._test('function f(){return 42 << NaN}', 42) + self._test('function f(){return 42 << Infinity}', 42) + + def test_negative(self): + self._test('function f(){return 2 * -2.0 ;}', -4) + self._test('function f(){return 2 - - -2 ;}', 0) + self._test('function f(){return 2 - - - -2 ;}', 4) + self._test('function f(){return 2 - + + - -2;}', 0) + self._test('function f(){return 2 + - + - -2;}', 0) def test_32066(self): - jsi = JSInterpreter("function x(){return Math.pow(3, 5) + new Date('1970-01-01T08:01:42.000+08:00') / 1000 * -239 - -24205;}") - self.assertEqual(jsi.call_function('x'), 70) - - def test_unary_operators(self): - jsi = JSInterpreter('function f(){return 2 - - - 2;}') - self.assertEqual(jsi.call_function('f'), 0) - jsi = JSInterpreter('function f(){return 2 + - + - - 2;}') - self.assertEqual(jsi.call_function('f'), 0) - # https://github.com/ytdl-org/youtube-dl/issues/32815 - jsi = JSInterpreter('function f(){return 0 - 7 * - 6;}') - self.assertEqual(jsi.call_function('f'), 42) + self._test( + "function f(){return Math.pow(3, 5) + new Date('1970-01-01T08:01:42.000+08:00') / 1000 * -239 - -24205;}", + 70) - """ # fails so far + @unittest.skip('Not yet working') def test_packed(self): - jsi = JSInterpreter('''function x(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('x', '''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 $14=$("<q />").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 9=7.1b();c(9.n>1){1r(i=0;i<9.n;i++){c(9[i].1a==1q){c(i==18){19}18=i;7.1p(i)}}}}',36,270,'|||jw|||function|player|settings|tracks|submenu||if||||jwplayer|var||on|audioTracks|true|3D|length|aria|attr|div|100|||sx|filemoon|https||event|active||false|tt|seek|dd|height|width|adb|current_audio|return|name|getAudioTracks|default_audio|localStorage|removeClass|expanded|checked|addButton|callMeMaybe|vplayer|0fxcyc2ajhp1|position|vvplay|vvad|220|setCurrentAudioTrack|audio_name|for|audio_set|getItem|last|open|controls|playbackRates|captions|rewind|icon|insertAfter||detach|ff00||button|getPosition|sec|png|player8|ff11|log|console|track_name|appendTo|play|click|no|scrolling|frameborder|file_code|src|top|zIndex|css|showCCform|data|1662367683|383371|dl|video_ad|doPlay|prevt|mp4|3E||jpg|thumbs|file|300|setTimeout|currentTrack|setItem|audioTrackChanged|dualSound|else|addClass|hasClass|toggleClass|Track|Audio|svg|dualy|images|mousedown|buttons|topbar|playAttemptFailed|beforePlay|Rewind|fr|Forward|ff|ready|set_audio_track|remove|this|upload_srt|prop|50px|margin|1000001|iframe|center|align|text|rgba|background|1000000|left|absolute|pause|setCurrentCaptions|Upload|contains|item|content|html|fviews|referer|prem|embed|3e57249ef633e0d03bf76ceb8d8a4b65|216|83|hash|view|get|TokenZir|window|hide|show|complete|slow|fadeIn|video_ad_fadein|time||cache|Cache|Content|headers|ajaxSetup|v2done|tott|vastdone2|vastdone1|vvbefore|playbackRateControls|cast|aboutlink|FileMoon|abouttext|UHD|1870|qualityLabels|sites|GNOME_POWER|link|2Fiframe|3C|allowfullscreen|22360|22640|22no|marginheight|marginwidth|2FGNOME_POWER|2F0fxcyc2ajhp1|2Fe|2Ffilemoon|2F|3A||22https|3Ciframe|code|sharing|fontOpacity|backgroundOpacity|Tahoma|fontFamily|303030|backgroundColor|FFFFFF|color|userFontScale|thumbnails|kind|0fxcyc2ajhp10000|url|get_slides|start|startparam|none|preload|html5|primary|hlshtml|androidhls|duration|uniform|stretching|0fxcyc2ajhp1_xt|image|2048|sp|6871|asn|127|srv|43200|_g3XlBcu2lmD9oDexD2NLWSmah2Nu3XcDrl93m9PwXY|m3u8||master|0fxcyc2ajhp1_x|00076|01|hls2|to|s01|delivery|storage|moon|sources|setup'''.split('|'))) - """ + self._test( + '''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}''', + '''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 $14=$("<q />").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 9=7.1b();c(9.n>1){1r(i=0;i<9.n;i++){c(9[i].1a==1q){c(i==18){19}18=i;7.1p(i)}}}}',36,270,'|||jw|||function|player|settings|tracks|submenu||if||||jwplayer|var||on|audioTracks|true|3D|length|aria|attr|div|100|||sx|filemoon|https||event|active||false|tt|seek|dd|height|width|adb|current_audio|return|name|getAudioTracks|default_audio|localStorage|removeClass|expanded|checked|addButton|callMeMaybe|vplayer|0fxcyc2ajhp1|position|vvplay|vvad|220|setCurrentAudioTrack|audio_name|for|audio_set|getItem|last|open|controls|playbackRates|captions|rewind|icon|insertAfter||detach|ff00||button|getPosition|sec|png|player8|ff11|log|console|track_name|appendTo|play|click|no|scrolling|frameborder|file_code|src|top|zIndex|css|showCCform|data|1662367683|383371|dl|video_ad|doPlay|prevt|mp4|3E||jpg|thumbs|file|300|setTimeout|currentTrack|setItem|audioTrackChanged|dualSound|else|addClass|hasClass|toggleClass|Track|Audio|svg|dualy|images|mousedown|buttons|topbar|playAttemptFailed|beforePlay|Rewind|fr|Forward|ff|ready|set_audio_track|remove|this|upload_srt|prop|50px|margin|1000001|iframe|center|align|text|rgba|background|1000000|left|absolute|pause|setCurrentCaptions|Upload|contains|item|content|html|fviews|referer|prem|embed|3e57249ef633e0d03bf76ceb8d8a4b65|216|83|hash|view|get|TokenZir|window|hide|show|complete|slow|fadeIn|video_ad_fadein|time||cache|Cache|Content|headers|ajaxSetup|v2done|tott|vastdone2|vastdone1|vvbefore|playbackRateControls|cast|aboutlink|FileMoon|abouttext|UHD|1870|qualityLabels|sites|GNOME_POWER|link|2Fiframe|3C|allowfullscreen|22360|22640|22no|marginheight|marginwidth|2FGNOME_POWER|2F0fxcyc2ajhp1|2Fe|2Ffilemoon|2F|3A||22https|3Ciframe|code|sharing|fontOpacity|backgroundOpacity|Tahoma|fontFamily|303030|backgroundColor|FFFFFF|color|userFontScale|thumbnails|kind|0fxcyc2ajhp10000|url|get_slides|start|startparam|none|preload|html5|primary|hlshtml|androidhls|duration|uniform|stretching|0fxcyc2ajhp1_xt|image|2048|sp|6871|asn|127|srv|43200|_g3XlBcu2lmD9oDexD2NLWSmah2Nu3XcDrl93m9PwXY|m3u8||master|0fxcyc2ajhp1_x|00076|01|hls2|to|s01|delivery|storage|moon|sources|setup'''.split('|')) if __name__ == '__main__': |