mirror of
https://codeberg.org/polarisfm/youtube-dl
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582be35847
In pycodestyle 2.1.0, E305 was introduced, which requires two blank lines after top level declarations, too. See https://github.com/PyCQA/pycodestyle/issues/400 See also #10689; thanks @stepshal for first mentioning this issue and initial patches
118 lines
3.7 KiB
Python
118 lines
3.7 KiB
Python
#!/usr/bin/env python
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from __future__ import unicode_literals
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# Allow direct execution
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import os
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import sys
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import unittest
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from youtube_dl.jsinterp import JSInterpreter
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class TestJSInterpreter(unittest.TestCase):
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def test_basic(self):
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jsi = JSInterpreter('function x(){;}')
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self.assertEqual(jsi.call_function('x'), None)
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jsi = JSInterpreter('function x3(){return 42;}')
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self.assertEqual(jsi.call_function('x3'), 42)
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jsi = JSInterpreter('var x5 = function(){return 42;}')
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self.assertEqual(jsi.call_function('x5'), 42)
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def test_calc(self):
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jsi = JSInterpreter('function x4(a){return 2*a+1;}')
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self.assertEqual(jsi.call_function('x4', 3), 7)
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def test_empty_return(self):
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jsi = JSInterpreter('function f(){return; y()}')
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self.assertEqual(jsi.call_function('f'), None)
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def test_morespace(self):
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jsi = JSInterpreter('function x (a) { return 2 * a + 1 ; }')
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self.assertEqual(jsi.call_function('x', 3), 7)
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jsi = JSInterpreter('function f () { x = 2 ; return x; }')
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self.assertEqual(jsi.call_function('f'), 2)
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def test_strange_chars(self):
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jsi = JSInterpreter('function $_xY1 ($_axY1) { var $_axY2 = $_axY1 + 1; return $_axY2; }')
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self.assertEqual(jsi.call_function('$_xY1', 20), 21)
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def test_operators(self):
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jsi = JSInterpreter('function f(){return 1 << 5;}')
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self.assertEqual(jsi.call_function('f'), 32)
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jsi = JSInterpreter('function f(){return 19 & 21;}')
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self.assertEqual(jsi.call_function('f'), 17)
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jsi = JSInterpreter('function f(){return 11 >> 2;}')
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self.assertEqual(jsi.call_function('f'), 2)
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def test_array_access(self):
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jsi = JSInterpreter('function f(){var x = [1,2,3]; x[0] = 4; x[0] = 5; x[2] = 7; return x;}')
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self.assertEqual(jsi.call_function('f'), [5, 2, 7])
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def test_parens(self):
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jsi = JSInterpreter('function f(){return (1) + (2) * ((( (( (((((3)))))) )) ));}')
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self.assertEqual(jsi.call_function('f'), 7)
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jsi = JSInterpreter('function f(){return (1 + 2) * 3;}')
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self.assertEqual(jsi.call_function('f'), 9)
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def test_assignments(self):
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jsi = JSInterpreter('function f(){var x = 20; x = 30 + 1; return x;}')
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self.assertEqual(jsi.call_function('f'), 31)
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jsi = JSInterpreter('function f(){var x = 20; x += 30 + 1; return x;}')
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self.assertEqual(jsi.call_function('f'), 51)
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jsi = JSInterpreter('function f(){var x = 20; x -= 30 + 1; return x;}')
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self.assertEqual(jsi.call_function('f'), -11)
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def test_comments(self):
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'Skipping: Not yet fully implemented'
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return
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jsi = JSInterpreter('''
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function x() {
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var x = /* 1 + */ 2;
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var y = /* 30
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* 40 */ 50;
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return x + y;
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}
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''')
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self.assertEqual(jsi.call_function('x'), 52)
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jsi = JSInterpreter('''
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function f() {
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var x = "/*";
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var y = 1 /* comment */ + 2;
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return y;
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}
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''')
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self.assertEqual(jsi.call_function('f'), 3)
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def test_precedence(self):
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jsi = JSInterpreter('''
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function x() {
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var a = [10, 20, 30, 40, 50];
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var b = 6;
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a[0]=a[b%a.length];
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return a;
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}''')
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self.assertEqual(jsi.call_function('x'), [20, 20, 30, 40, 50])
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def test_call(self):
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jsi = JSInterpreter('''
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function x() { return 2; }
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function y(a) { return x() + a; }
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function z() { return y(3); }
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''')
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self.assertEqual(jsi.call_function('z'), 5)
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if __name__ == '__main__':
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unittest.main()
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