class TestJSInterpreter(unittest.TestCase):
- def test_basic(self):
- jsi = JSInterpreter('function x(){;}')
- self.assertEqual(jsi.call_function('x'), None)
-
- jsi = JSInterpreter('function x3(){return 42;}')
- self.assertEqual(jsi.call_function('x3'), 42)
+ def _test(self, code, ret, func='f', args=()):
+ self.assertEqual(JSInterpreter(code).call_function(func, *args), ret)
- jsi = JSInterpreter('function x3(){42}')
- self.assertEqual(jsi.call_function('x3'), None)
+ def test_basic(self):
+ jsi = JSInterpreter('function f(){;}')
+ self.assertEqual(repr(jsi.extract_function('f')), 'F<f>')
+ self.assertEqual(jsi.call_function('f'), None)
- jsi = JSInterpreter('var x5 = function(){return 42;}')
- self.assertEqual(jsi.call_function('x5'), 42)
+ self._test('function f(){return 42;}', 42)
+ self._test('function f(){42}', None)
+ self._test('var f = function(){return 42;}', 42)
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(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)
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)
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')))
+ jsi = JSInterpreter('function f() { return NaN }')
+ self.assertTrue(math.isnan(jsi.call_function('f')))
- 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)
+ 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_call(self):
jsi = JSInterpreter('''
- function x() { return 2; }
- function y(a) { return x() + (a?a:0); }
- function z() { return y(3); }
+ function x() { return 2; }
+ 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_if(self):
- jsi = JSInterpreter('''
- function x() {
- let a = 9;
- if (0==0) {a++}
- return a
- }''')
- self.assertEqual(jsi.call_function('x'), 10)
-
- jsi = JSInterpreter('''
- function x() {
- if (0==0) {return 10}
- }''')
- self.assertEqual(jsi.call_function('x'), 10)
-
- jsi = JSInterpreter('''
- function x() {
- if (0!=0) {return 1}
- else {return 10}
- }''')
- self.assertEqual(jsi.call_function('x'), 10)
+ self._test('''
+ function f() {
+ let a = 9;
+ if (0==0) {a++}
+ return a
+ }
+ ''', 10)
+
+ self._test('''
+ function f() {
+ if (0==0) {return 10}
+ }
+ ''', 10)
+
+ self._test('''
+ function f() {
+ if (0!=0) {return 1}
+ else {return 10}
+ }
+ ''', 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)
+ self._test('''
+ function f() {
+ if (0!=0) {return 1}
+ else if (1==0) {return 2}
+ else {return 10}
+ }
+ ''', 10)
"""
def test_for_loop(self):
- 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_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.assertEqual(jsi.call_function('f', 1), 7)
+ self.assertEqual(jsi.call_function('f', 3), 6)
+ self.assertEqual(jsi.call_function('f', 5), 0)
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.assertEqual(jsi.call_function('f', 1), 2)
+ self.assertEqual(jsi.call_function('f', 5), 11)
+ self.assertEqual(jsi.call_function('f', 9), 14)
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}
- } catch(e){return 5} }
- ''')
- self.assertEqual(jsi.call_function('x'), 5)
+ self._test('''
+ function f() {try {
+ try{throw 10} finally {throw 42}
+ } catch(e){return 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('''
- function x() { return [1, function(){return 1}][1] }
+ function f() { return [1, function(){return 1}][1] }
''')
- self.assertEqual(jsi.call_function('x')([]), 1)
+ self.assertEqual(jsi.call_function('f')([]), 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])
+ 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.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._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,
+ undefined < undefined,
+ undefined > undefined,
+ undefined === 0,
+ undefined == 0,
+ undefined < 0,
+ undefined > 0,
+ undefined >= 0,
+ undefined <= 0,
+ undefined > null,
+ undefined < null,
+ undefined === null
+ ]; }
+ ''', list(map(bool, (1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0))))
+
+ jsi = JSInterpreter('''
+ function f() { let v; return [42+v, v+42, v**42, 42**v, 0**v]; }
+ ''')
+ for y in jsi.call_function('f'):
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)
+ 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.assertEqual(jsi.call_function('x'), None)
+ self._test('function f() { let a=/,,[/,913,/](,)}/; }', None)
- jsi = JSInterpreter('''
- function x() { let a=/,,[/,913,/](,)}/; return a; }
- ''')
- self.assertIsInstance(jsi.call_function('x'), re.Pattern)
+ jsi = JSInterpreter('function f() { let a=/,,[/,913,/](,)}/; return a; }')
+ self.assertIsInstance(jsi.call_function('f'), 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('function f() { let a=/,,[/,913,/](,)}/i; return a; }')
+ self.assertEqual(jsi.call_function('f').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 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'[)\\]')
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.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)
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)
+ self._test('function f(){return -524999584 << 5}', 379882496)
+ self._test('function f(){return 1236566549 << 5}', 915423904)
def test_bitwise_operators_typecast(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)
+ self._test('function f(){return null << 5}', 0)
+ self._test('function f(){return undefined >> 5}', 0)
+ self._test('function f(){return 42 << NaN}', 42)
def test_negative(self):
- jsi = JSInterpreter("function f(){return 2 * -2.0;}")
- self.assertEqual(jsi.call_function('f'), -4)
-
- 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'), 4)
-
- 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)
+ 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)
if __name__ == '__main__':
import random
import re
import shutil
+import string
import subprocess
import sys
import tempfile
import traceback
import unicodedata
import urllib.request
-from string import Formatter, ascii_letters
from .cache import Cache
from .compat import compat_os_name, compat_shlex_quote
# correspondingly that is not what we want since we need to keep
# '%%' intact for template dict substitution step. Working around
# with boundary-alike separator hack.
- sep = ''.join(random.choices(ascii_letters, k=32))
+ sep = ''.join(random.choices(string.ascii_letters, k=32))
outtmpl = outtmpl.replace('%%', f'%{sep}%').replace('$$', f'${sep}$')
# outtmpl should be expand_path'ed before template dict substitution
return list(obj)
return repr(obj)
- class _ReplacementFormatter(Formatter):
+ class _ReplacementFormatter(string.Formatter):
def get_field(self, field_name, args, kwargs):
if field_name.isdigit():
return args[0], -1
def _parse_filter(tokens):
filter_parts = []
- for type, string, start, _, _ in tokens:
- if type == tokenize.OP and string == ']':
+ for type, string_, start, _, _ in tokens:
+ if type == tokenize.OP and string_ == ']':
return ''.join(filter_parts)
else:
- filter_parts.append(string)
+ filter_parts.append(string_)
def _remove_unused_ops(tokens):
# Remove operators that we don't use and join them with the surrounding strings.
# E.g. 'mp4' '-' 'baseline' '-' '16x9' is converted to 'mp4-baseline-16x9'
ALLOWED_OPS = ('/', '+', ',', '(', ')')
last_string, last_start, last_end, last_line = None, None, None, None
- for type, string, start, end, line in tokens:
- if type == tokenize.OP and string == '[':
+ for type, string_, start, end, line in tokens:
+ if type == tokenize.OP and string_ == '[':
if last_string:
yield tokenize.NAME, last_string, last_start, last_end, last_line
last_string = None
- yield type, string, start, end, line
+ yield type, string_, start, end, line
# everything inside brackets will be handled by _parse_filter
- for type, string, start, end, line in tokens:
- yield type, string, start, end, line
- if type == tokenize.OP and string == ']':
+ for type, string_, start, end, line in tokens:
+ yield type, string_, start, end, line
+ if type == tokenize.OP and string_ == ']':
break
- elif type == tokenize.OP and string in ALLOWED_OPS:
+ elif type == tokenize.OP and string_ in ALLOWED_OPS:
if last_string:
yield tokenize.NAME, last_string, last_start, last_end, last_line
last_string = None
- yield type, string, start, end, line
+ yield type, string_, start, end, line
elif type in [tokenize.NAME, tokenize.NUMBER, tokenize.OP]:
if not last_string:
- last_string = string
+ last_string = string_
last_start = start
last_end = end
else:
- last_string += string
+ last_string += string_
if last_string:
yield tokenize.NAME, last_string, last_start, last_end, last_line
def _parse_format_selection(tokens, inside_merge=False, inside_choice=False, inside_group=False):
selectors = []
current_selector = None
- for type, string, start, _, _ in tokens:
+ for type, string_, start, _, _ in tokens:
# ENCODING is only defined in python 3.x
if type == getattr(tokenize, 'ENCODING', None):
continue
elif type in [tokenize.NAME, tokenize.NUMBER]:
- current_selector = FormatSelector(SINGLE, string, [])
+ current_selector = FormatSelector(SINGLE, string_, [])
elif type == tokenize.OP:
- if string == ')':
+ if string_ == ')':
if not inside_group:
# ')' will be handled by the parentheses group
tokens.restore_last_token()
break
- elif inside_merge and string in ['/', ',']:
+ elif inside_merge and string_ in ['/', ',']:
tokens.restore_last_token()
break
- elif inside_choice and string == ',':
+ elif inside_choice and string_ == ',':
tokens.restore_last_token()
break
- elif string == ',':
+ elif string_ == ',':
if not current_selector:
raise syntax_error('"," must follow a format selector', start)
selectors.append(current_selector)
current_selector = None
- elif string == '/':
+ elif string_ == '/':
if not current_selector:
raise syntax_error('"/" must follow a format selector', start)
first_choice = current_selector
second_choice = _parse_format_selection(tokens, inside_choice=True)
current_selector = FormatSelector(PICKFIRST, (first_choice, second_choice), [])
- elif string == '[':
+ elif string_ == '[':
if not current_selector:
current_selector = FormatSelector(SINGLE, 'best', [])
format_filter = _parse_filter(tokens)
current_selector.filters.append(format_filter)
- elif string == '(':
+ elif string_ == '(':
if current_selector:
raise syntax_error('Unexpected "("', start)
group = _parse_format_selection(tokens, inside_group=True)
current_selector = FormatSelector(GROUP, group, [])
- elif string == '+':
+ elif string_ == '+':
if not current_selector:
raise syntax_error('Unexpected "+"', start)
selector_1 = current_selector
raise syntax_error('Expected a selector', start)
current_selector = FormatSelector(MERGE, (selector_1, selector_2), [])
else:
- raise syntax_error(f'Operator not recognized: "{string}"', start)
+ raise syntax_error(f'Operator not recognized: "{string_}"', start)
elif type == tokenize.ENDMARKER:
break
if current_selector:
fmt = '%({})s'
if tmpl.startswith('{'):
- tmpl = f'.{tmpl}'
+ tmpl, fmt = f'.{tmpl}', '%({})j'
if tmpl.endswith('='):
tmpl, fmt = tmpl[:-1], '{0} = %({0})#j'
return '\n'.join(map(fmt.format, [tmpl] if mobj.group('dict') else tmpl.split(',')))
print_field('url', 'urls')
print_field('thumbnail', optional=True)
print_field('description', optional=True)
- print_field('filename', optional=True)
+ if filename:
+ print_field('filename')
if self.params.get('forceduration') and info_copy.get('duration') is not None:
self.to_stdout(formatSeconds(info_copy['duration']))
print_field('format')
if remove_private_keys:
reject = lambda k, v: v is None or k.startswith('__') or k in {
'requested_downloads', 'requested_formats', 'requested_subtitles', 'requested_entries',
- 'entries', 'filepath', '_filename', 'infojson_filename', 'original_url', 'playlist_autonumber',
- '_format_sort_fields',
+ 'entries', 'filepath', '_filename', 'filename', 'infojson_filename', 'original_url',
+ 'playlist_autonumber', '_format_sort_fields',
}
else:
reject = lambda k, v: False
*files_to_delete, info=infodict, msg='Deleting original file %s (pass -k to keep)')
return infodict
- def run_all_pps(self, key, info, *, additional_pps=None, fatal=True):
+ def run_all_pps(self, key, info, *, additional_pps=None):
if key != 'video':
self._forceprint(key, info)
for pp in (additional_pps or []) + self._pps[key]: