diff options
Diffstat (limited to 'test/test_jsinterp.py')
| -rw-r--r-- | test/test_jsinterp.py | 250 |
1 files changed, 243 insertions, 7 deletions
diff --git a/test/test_jsinterp.py b/test/test_jsinterp.py index 4277cabe0..3c4391c4a 100644 --- a/test/test_jsinterp.py +++ b/test/test_jsinterp.py @@ -7,8 +7,10 @@ import unittest sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__)))) +import math +import re -from yt_dlp.jsinterp import JSInterpreter +from yt_dlp.jsinterp import JS_Undefined, JSInterpreter class TestJSInterpreter(unittest.TestCase): @@ -19,6 +21,9 @@ class TestJSInterpreter(unittest.TestCase): 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) + jsi = JSInterpreter('var x5 = function(){return 42;}') self.assertEqual(jsi.call_function('x5'), 42) @@ -45,14 +50,32 @@ class TestJSInterpreter(unittest.TestCase): 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')) + def test_array_access(self): - jsi = JSInterpreter('function f(){var x = [1,2,3]; x[0] = 4; x[0] = 5; x[2] = 7; return x;}') + 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]) def test_parens(self): @@ -62,6 +85,10 @@ class TestJSInterpreter(unittest.TestCase): jsi = JSInterpreter('function f(){return (1 + 2) * 3;}') self.assertEqual(jsi.call_function('f'), 9) + def test_quotes(self): + jsi = JSInterpreter(R'function f(){return "a\"\\("}') + self.assertEqual(jsi.call_function('f'), 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) @@ -104,17 +131,33 @@ class TestJSInterpreter(unittest.TestCase): }''') self.assertEqual(jsi.call_function('x'), [20, 20, 30, 40, 50]) + def test_builtins(self): + jsi = JSInterpreter(''' + function x() { return NaN } + ''') + self.assertTrue(math.isnan(jsi.call_function('x'))) + + jsi = JSInterpreter(''' + function x() { return new Date('Wednesday 31 December 1969 18:01:26 MDT') - 0; } + ''') + self.assertEqual(jsi.call_function('x'), 86000) + 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) + def test_call(self): jsi = JSInterpreter(''' function x() { return 2; } - function y(a) { return x() + a; } + 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) def test_for_loop(self): jsi = JSInterpreter(''' - function x() { a=0; for (i=0; i-10; i++) {a++} a } + function x() { a=0; for (i=0; i-10; i++) {a++} return a } ''') self.assertEqual(jsi.call_function('x'), 10) @@ -153,21 +196,53 @@ class TestJSInterpreter(unittest.TestCase): ''') self.assertEqual(jsi.call_function('x'), 10) + def test_catch(self): + jsi = JSInterpreter(''' + function x() { try{throw 10} catch(e){return 5} } + ''') + self.assertEqual(jsi.call_function('x'), 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) + + def test_nested_try(self): + jsi = JSInterpreter(''' + function x() {try { + try{throw 10} finally {throw 42} + } catch(e){return 5} } + ''') + self.assertEqual(jsi.call_function('x'), 5) + def test_for_loop_continue(self): jsi = JSInterpreter(''' - function x() { a=0; for (i=0; i-10; i++) { continue; a++ } a } + function x() { a=0; for (i=0; i-10; i++) { continue; a++ } return a } ''') self.assertEqual(jsi.call_function('x'), 0) def test_for_loop_break(self): jsi = JSInterpreter(''' - function x() { a=0; for (i=0; i-10; i++) { break; a++ } a } + function x() { a=0; for (i=0; i-10; i++) { break; a++ } return a } ''') self.assertEqual(jsi.call_function('x'), 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) + def test_literal_list(self): jsi = JSInterpreter(''' - function x() { [1, 2, "asdf", [5, 6, 7]][3] } + function x() { return [1, 2, "asdf", [5, 6, 7]][3] } ''') self.assertEqual(jsi.call_function('x'), [5, 6, 7]) @@ -177,6 +252,167 @@ class TestJSInterpreter(unittest.TestCase): ''') 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) + + def test_void(self): + jsi = JSInterpreter(''' + function x() { return void 42; } + ''') + self.assertEqual(jsi.call_function('x'), None) + + def test_return_function(self): + jsi = JSInterpreter(''' + function x() { return [1, function(){return 1}][1] } + ''') + self.assertEqual(jsi.call_function('x')([]), 1) + + def test_null(self): + jsi = JSInterpreter(''' + function x() { return null; } + ''') + self.assertEqual(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]) + + def test_undefined(self): + jsi = JSInterpreter(''' + function x() { return undefined === undefined; } + ''') + self.assertEqual(jsi.call_function('x'), True) + + jsi = JSInterpreter(''' + function x() { return undefined; } + ''') + self.assertEqual(jsi.call_function('x'), JS_Undefined) + + jsi = JSInterpreter(''' + function x() { let v; return v; } + ''') + self.assertEqual(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]; } + ''') + 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.assertEqual(jsi.call_function('x'), JS_Undefined) + + jsi = JSInterpreter(''' + function x() { let a = {m1: 42, m2: 0 }; return a?.qq; } + ''') + self.assertEqual(jsi.call_function('x'), JS_Undefined) + + def test_regex(self): + jsi = JSInterpreter(''' + function x() { let a=/,,[/,913,/](,)}/; } + ''') + self.assertEqual(jsi.call_function('x'), None) + + jsi = JSInterpreter(''' + function x() { let a=/,,[/,913,/](,)}/; return a; } + ''') + self.assertIsInstance(jsi.call_function('x'), re.Pattern) + + jsi = JSInterpreter(''' + function x() { let a=/,,[/,913,/](,)}/i; return a; } + ''') + self.assertEqual(jsi.call_function('x').flags & re.I, re.I) + + jsi = JSInterpreter(R''' + function x() { let a=/,][}",],()}(\[)/; return a; } + ''') + self.assertEqual(jsi.call_function('x').pattern, r',][}",],()}(\[)') + + jsi = JSInterpreter(R''' + function x() { let a=[/[)\\]/]; return a[0]; } + ''') + self.assertEqual(jsi.call_function('x').pattern, r'[)\\]') + + 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) + + 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) + if __name__ == '__main__': unittest.main() |