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[jsinterp] Handle new youtube signature functions

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Closes #4635
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pukkandan 2022-08-14 04:51:54 +05:30
parent 1cddfdc52b
commit 8f53dc44a0
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GPG key ID: 7EEE9E1E817D0A39
6 changed files with 287 additions and 125 deletions
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29
test/test_jsinterp.py
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@ -19,6 +19,9 @@ 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)
@ -51,8 +54,11 @@ class TestJSInterpreter(unittest.TestCase):
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)
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 +68,10 @@ 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)
@ -107,14 +117,15 @@ class TestJSInterpreter(unittest.TestCase):
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)
@ -155,19 +166,19 @@ class TestJSInterpreter(unittest.TestCase):
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_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 +188,12 @@ class TestJSInterpreter(unittest.TestCase):
''')
self.assertEqual(jsi.call_function('x'), 7)
def test_return_function(self):
jsi = JSInterpreter('''
function x() { return [1, function(){return 1}][1] }
''')
self.assertEqual(jsi.call_function('x')([]), 1)
if __name__ == '__main__':
unittest.main()