mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2025-11-04 08:35:12 +00:00
118 lines
3.7 KiB
Python
118 lines
3.7 KiB
Python
#!/usr/bin/env python3
|
|
|
|
from __future__ import unicode_literals
|
|
|
|
# Allow direct execution
|
|
import os
|
|
import sys
|
|
import unittest
|
|
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
|
|
|
|
from yt_dlp.jsinterp import JSInterpreter
|
|
|
|
|
|
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)
|
|
|
|
jsi = JSInterpreter('var x5 = function(){return 42;}')
|
|
self.assertEqual(jsi.call_function('x5'), 42)
|
|
|
|
def test_calc(self):
|
|
jsi = JSInterpreter('function x4(a){return 2*a+1;}')
|
|
self.assertEqual(jsi.call_function('x4', 3), 7)
|
|
|
|
def test_empty_return(self):
|
|
jsi = JSInterpreter('function f(){return; y()}')
|
|
self.assertEqual(jsi.call_function('f'), 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)
|
|
|
|
def test_strange_chars(self):
|
|
jsi = JSInterpreter('function $_xY1 ($_axY1) { var $_axY2 = $_axY1 + 1; return $_axY2; }')
|
|
self.assertEqual(jsi.call_function('$_xY1', 20), 21)
|
|
|
|
def test_operators(self):
|
|
jsi = JSInterpreter('function f(){return 1 << 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)
|
|
|
|
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;}')
|
|
self.assertEqual(jsi.call_function('f'), [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)
|
|
|
|
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)
|
|
|
|
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)
|
|
|
|
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])
|
|
|
|
def test_call(self):
|
|
jsi = JSInterpreter('''
|
|
function x() { return 2; }
|
|
function y(a) { return x() + a; }
|
|
function z() { return y(3); }
|
|
''')
|
|
self.assertEqual(jsi.call_function('z'), 5)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|