def test_typeerror_on_object_call(self):
c = dukpy.Context()
ret = c.evaljs("({})")
try:
ret()
assert False
except TypeError:
pass
def test_can_pass_callable(self):
c = dukpy.Context()
called = {'called': False}
def inner():
called['called'] = True
c.define_global("func", inner)
c.evaljs("func()")
assert called['called']
def test_complex_pass(self):
c = dukpy.Context()
def call_first_argument_python(a, *args):
return a(*args)
call_first_argument_js = c.evaljs("(function(a) { return a.apply(undefined, arguments); })")
ret = call_first_argument_js(call_first_argument_python, sum, [1, 7, 10])
assert ret == 18
def test_can_pass_class(self):
c = dukpy.Context()
class Test(object):
def __init__(self, worked):
self.worked = worked
c.define_global("Test", Test)
t = c.evaljs("Test(true)")
assert t.worked
def test_can_pass_obj(self):
c = dukpy.Context()
class Test(object):
def __init__(self):
self.worked = False
t = Test()
c.define_global("t", t)
c.evaljs("t.worked = true")
assert t.worked
def test_pyargs_segfault(self):
for _ in range(1, 10):
c = dukpy.Context()
c.define_global("test", range(1000))
c.evaljs("""
var iter = test.__iter__();
var i = (iter.__next__ || iter.next)();
while (i !== null) {
i = (iter.__next__ || iter.next)();
break;
}
""")
def test_can_iterate_over_python(self):
c = dukpy.Context()
c.define_global("thing", [5, 8, 1, 6])
ret = c.evaljs("""
var count = 0;
for (var i = 0; i < thing.length; i++) {
count += thing[i];
}
count;
""")
assert ret == sum([5, 8, 1, 6])
def test_tostring_calls_str(self):
c = dukpy.Context()
class Test(object):
def __init__(self, str):
self.s = str
def __str__(self):
return self.s
c.define_global("t", Test('hi, mum'))
ret = c.evaljs("t.toString()")
assert ret == "hi, mum"
def test_can_return_complex_obj(self):
c = dukpy.Context()
obj = c.evaljs("""
({'null': null, 'undefined': null, 'a': 'a', '1': 1, 'true': true, 'false': false, 'nested': {'object': true}, 'array': ['of', ['arrays'], {'and': 'objects'}]})
""")
assert obj['null'] is None
assert obj['undefined'] is None
assert obj['a'] == 'a'
assert obj['1'] == 1
assert obj['true'] is True
assert obj['false'] is False
assert obj['nested']['object']
assert len(obj['array']) == 3
assert obj['array'][0] == 'of'
assert len(obj['array'][1]) == 1
assert obj['array'][1][0] == 'arrays'
assert obj['array'][2]['and'] == 'objects'
def test_evaljs(self):
c = dukpy.Context()
ret = c.evaljs("5")
assert ret == 5
def test_can_construct_context(self):
dukpy.Context()
def test_binds_correctly(self):
c = dukpy.Context()
ret = c.evaljs("var r = ({x: 'ham', y: function() { return this.x; }}); r.z = r.y(); r;")
assert ret.y() == ret.z
def test_can_return_obj(self):
c = dukpy.Context()
obj = c.evaljs("({'hi': 'mum'})")
assert obj['hi'] == 'mum'
def test_can_return_callable(self):
c = dukpy.Context()
inc = c.evaljs("(function(x) { return x + 1; })")
assert inc(1) == 2
assert inc(2) == 3
def test_can_pass_dict(self):
c = dukpy.Context()
d = {'worked': False}
c.define_global("dict", d)
c.evaljs("dict.worked = true")
assert d['worked']
def test_context_retained(self):
c = dukpy.Context()
c.evaljs("aardvark = 'lemon'")
assert c.evaljs("aardvark") == 'lemon'
def test_handles_none(self):
o = dukpy._dukpy.ctx_eval_string
dukpy._dukpy.ctx_eval_string = lambda *args, **kwargs: None
c = dukpy.Context()
c.evaljs("hi")
dukpy._dukpy.ctx_eval_string = o
def test_can_set_obj(self):
c = dukpy.Context()
c.define_global("seven", 7)
assert c.evaljs("seven") == 7