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Diffstat (limited to 'tests/test_properties.py')
| -rw-r--r-- | tests/test_properties.py | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/tests/test_properties.py b/tests/test_properties.py new file mode 100644 index 0000000..ccfcb34 --- /dev/null +++ b/tests/test_properties.py @@ -0,0 +1,376 @@ + +import struct +import unittest + +import gobject +from gobject import GObject, GType, GEnum, new, PARAM_READWRITE, \ + PARAM_CONSTRUCT, PARAM_READABLE, PARAM_WRITABLE, PARAM_CONSTRUCT_ONLY +from gobject.constants import \ + TYPE_INT, TYPE_UINT, TYPE_LONG, \ + TYPE_ULONG, TYPE_INT64, TYPE_UINT64 +from gobject.constants import \ + G_MININT, G_MAXINT, G_MAXUINT, G_MINLONG, G_MAXLONG, \ + G_MAXULONG + +class PropertyObject(GObject): + normal = gobject.property(type=str) + construct = gobject.property( + type=str, + flags=PARAM_READWRITE|PARAM_CONSTRUCT, default='default') + construct_only = gobject.property( + type=str, + flags=PARAM_READWRITE|PARAM_CONSTRUCT_ONLY) + uint64 = gobject.property( + type=TYPE_UINT64, flags=PARAM_READWRITE|PARAM_CONSTRUCT) + +class TestProperties(unittest.TestCase): + def testGetSet(self): + obj = PropertyObject() + obj.props.normal = "value" + self.assertEqual(obj.props.normal, "value") + + def testListWithInstance(self): + obj = PropertyObject() + self.failUnless(hasattr(obj.props, "normal")) + + def testListWithoutInstance(self): + self.failUnless(hasattr(PropertyObject.props, "normal")) + + def testSetNoInstance(self): + def set(obj): + obj.props.normal = "foobar" + + self.assertRaises(TypeError, set, PropertyObject) + + def testIterator(self): + for obj in (PropertyObject.props, PropertyObject().props): + for pspec in obj: + gtype = GType(pspec) + self.assertEqual(gtype.parent.name, 'GParam') + self.failUnless(pspec.name in ['normal', + 'construct', + 'construct-only', + 'uint64']) + self.assertEqual(len(obj), 4) + + def testNormal(self): + obj = new(PropertyObject, normal="123") + self.assertEqual(obj.props.normal, "123") + obj.set_property('normal', '456') + self.assertEqual(obj.props.normal, "456") + obj.props.normal = '789' + self.assertEqual(obj.props.normal, "789") + + def testConstruct(self): + obj = new(PropertyObject, construct="123") + self.assertEqual(obj.props.construct, "123") + obj.set_property('construct', '456') + self.assertEqual(obj.props.construct, "456") + obj.props.construct = '789' + self.assertEqual(obj.props.construct, "789") + + def testConstructOnly(self): + obj = new(PropertyObject, construct_only="123") + self.assertEqual(obj.props.construct_only, "123") + self.assertRaises(TypeError, + setattr, obj.props, 'construct_only', '456') + self.assertRaises(TypeError, + obj.set_property, 'construct-only', '456') + + def testUint64(self): + obj = new(PropertyObject) + self.assertEqual(obj.props.uint64, 0) + obj.props.uint64 = 1L + self.assertEqual(obj.props.uint64, 1L) + obj.props.uint64 = 1 + self.assertEqual(obj.props.uint64, 1L) + + self.assertRaises((TypeError, OverflowError), obj.set_property, "uint64", -1L) + self.assertRaises((TypeError, OverflowError), obj.set_property, "uint64", -1) + + def testUInt64DefaultValue(self): + try: + class TimeControl(GObject): + __gproperties__ = { + 'time': (TYPE_UINT64, 'Time', 'Time', + 0L, (1<<64) - 1, 0L, + PARAM_READABLE) + } + except OverflowError, ex: + self.fail(str(ex)) + + def testRange(self): + # kiwi code + def max(c): + return 2 ** ((8 * struct.calcsize(c)) - 1) - 1 + def umax(c): + return 2 ** (8 * struct.calcsize(c)) - 1 + + maxint = max('i') + minint = -maxint - 1 + maxuint = umax('I') + maxlong = max('l') + minlong = -maxlong - 1 + maxulong = umax('L') + maxint64 = max('q') + minint64 = -maxint64 - 1 + maxuint64 = umax('Q') + + types = dict(int=(TYPE_INT, minint, maxint), + uint=(TYPE_UINT, 0, maxuint), + long=(TYPE_LONG, minlong, maxlong), + ulong=(TYPE_ULONG, 0, maxulong), + int64=(TYPE_INT64, minint64, maxint64), + uint64=(TYPE_UINT64, 0, maxuint64)) + + def build_gproperties(types): + d = {} + for key, (gtype, min, max) in types.items(): + d[key] = (gtype, 'blurb', 'desc', min, max, 0, + PARAM_READABLE | PARAM_WRITABLE) + return d + + class RangeCheck(GObject): + __gproperties__ = build_gproperties(types) + + def __init__(self): + self.values = {} + GObject.__init__(self) + + def do_set_property(self, pspec, value): + self.values[pspec.name] = value + + def do_get_property(self, pspec): + return self.values.get(pspec.name, pspec.default_value) + + self.assertEqual(RangeCheck.props.int.minimum, minint) + self.assertEqual(RangeCheck.props.int.maximum, maxint) + self.assertEqual(RangeCheck.props.uint.minimum, 0) + self.assertEqual(RangeCheck.props.uint.maximum, maxuint) + self.assertEqual(RangeCheck.props.long.minimum, minlong) + self.assertEqual(RangeCheck.props.long.maximum, maxlong) + self.assertEqual(RangeCheck.props.ulong.minimum, 0) + self.assertEqual(RangeCheck.props.ulong.maximum, maxulong) + self.assertEqual(RangeCheck.props.int64.minimum, minint64) + self.assertEqual(RangeCheck.props.int64.maximum, maxint64) + self.assertEqual(RangeCheck.props.uint64.minimum, 0) + self.assertEqual(RangeCheck.props.uint64.maximum, maxuint64) + + obj = RangeCheck() + for key, (gtype, min, max) in types.items(): + self.assertEqual(obj.get_property(key), + getattr(RangeCheck.props, key).default_value) + + obj.set_property(key, min) + self.assertEqual(obj.get_property(key), min) + + obj.set_property(key, max) + self.assertEqual(obj.get_property(key), max) + + + def testMulti(self): + obj = PropertyObject() + obj.set_properties(normal="foo", + uint64=7) + normal, uint64 = obj.get_properties("normal", "uint64") + self.assertEqual(normal, "foo") + self.assertEqual(uint64, 7) + +class TestProperty(unittest.TestCase): + def testSimple(self): + class C(gobject.GObject): + str = gobject.property(type=str) + int = gobject.property(type=int) + float = gobject.property(type=float) + long = gobject.property(type=long) + + self.failUnless(hasattr(C.props, 'str')) + self.failUnless(hasattr(C.props, 'int')) + self.failUnless(hasattr(C.props, 'float')) + self.failUnless(hasattr(C.props, 'long')) + + o = C() + self.assertEqual(o.str, '') + o.str = 'str' + self.assertEqual(o.str, 'str') + + self.assertEqual(o.int, 0) + o.int = 1138 + self.assertEqual(o.int, 1138) + + self.assertEqual(o.float, 0.0) + o.float = 3.14 + self.assertEqual(o.float, 3.14) + + self.assertEqual(o.long, 0L) + o.long = 100L + self.assertEqual(o.long, 100L) + + def testCustomGetter(self): + class C(gobject.GObject): + def get_prop(self): + return 'value' + prop = gobject.property(getter=get_prop) + + o = C() + self.assertEqual(o.prop, 'value') + self.assertRaises(TypeError, setattr, o, 'prop', 'xxx') + + def testCustomSetter(self): + class C(gobject.GObject): + def set_prop(self, value): + self._value = value + prop = gobject.property(setter=set_prop) + + def __init__(self): + self._value = None + gobject.GObject.__init__(self) + + o = C() + self.assertEquals(o._value, None) + o.prop = 'bar' + self.assertEquals(o._value, 'bar') + self.assertRaises(TypeError, getattr, o, 'prop') + + def testErrors(self): + self.assertRaises(TypeError, gobject.property, type='str') + self.assertRaises(TypeError, gobject.property, nick=False) + self.assertRaises(TypeError, gobject.property, blurb=False) + # this never fail while bool is a subclass of int + # >>> bool.__bases__ + # (<type 'int'>,) + # self.assertRaises(TypeError, gobject.property, type=bool, default=0) + self.assertRaises(TypeError, gobject.property, type=bool, default='ciao mamma') + self.assertRaises(TypeError, gobject.property, type=bool) + self.assertRaises(TypeError, gobject.property, type=GEnum) + self.assertRaises(TypeError, gobject.property, type=GEnum, default=0) + self.assertRaises(TypeError, gobject.property, type=object, default=0) + self.assertRaises(TypeError, gobject.property, type=complex) + self.assertRaises(TypeError, gobject.property, flags=-10) + + def testDefaults(self): + p1 = gobject.property(type=bool, default=True) + p2 = gobject.property(type=bool, default=False) + + def testNameWithUnderscore(self): + class C(gobject.GObject): + prop_name = gobject.property(type=int) + o = C() + o.prop_name = 10 + self.assertEqual(o.prop_name, 10) + + def testRange(self): + maxint64 = 2 ** 62 - 1 + minint64 = -2 ** 62 - 1 + maxuint64 = 2 ** 63 - 1 + + types = [ + (TYPE_INT, G_MININT, G_MAXINT), + (TYPE_UINT, 0, G_MAXUINT), + (TYPE_LONG, G_MINLONG, G_MAXLONG), + (TYPE_ULONG, 0, G_MAXULONG), + (TYPE_INT64, minint64, maxint64), + (TYPE_UINT64, 0, maxuint64), + ] + + for gtype, min, max in types: + # Normal, everything is alright + prop = gobject.property(type=gtype, minimum=min, maximum=max) + subtype = type('', (gobject.GObject,), + dict(prop=prop)) + self.assertEqual(subtype.props.prop.minimum, min) + self.assertEqual(subtype.props.prop.maximum, max) + + # Lower than minimum + self.assertRaises(TypeError, + gobject.property, type=gtype, minimum=min-1, + maximum=max) + + # Higher than maximum + self.assertRaises(TypeError, + gobject.property, type=gtype, minimum=min, + maximum=max+1) + + def testMultipleInstances(self): + class C(gobject.GObject): + prop = gobject.property(type=str, default='default') + + o1 = C() + o2 = C() + self.assertEqual(o1.prop, 'default') + self.assertEqual(o2.prop, 'default') + o1.prop = 'value' + self.assertEqual(o1.prop, 'value') + self.assertEqual(o2.prop, 'default') + + def testObjectProperty(self): + class PropertyObject(GObject): + obj = gobject.property(type=GObject) + + pobj1 = PropertyObject() + obj1_hash = hash(pobj1) + pobj2 = PropertyObject() + + pobj2.obj = pobj1 + del pobj1 + pobj1 = pobj2.obj + self.assertEqual(hash(pobj1), obj1_hash) + + def testPropertySubclass(self): + # test for #470718 + class A(GObject): + prop1 = gobject.property(type=int) + + class B(A): + prop2 = gobject.property(type=int) + + b = B() + b.prop2 = 10 + self.assertEquals(b.prop2, 10) + b.prop1 = 20 + self.assertEquals(b.prop1, 20) + + def testPropertySubclassCustomSetter(self): + # test for #523352 + class A(GObject): + def get_first(self): + return 'first' + first = gobject.property(type=str, getter=get_first) + + class B(A): + def get_second(self): + return 'second' + second = gobject.property(type=str, getter=get_second) + + a = A() + self.assertEquals(a.first, 'first') + self.assertRaises(TypeError, setattr, a, 'first', 'foo') + + b = B() + self.assertEquals(b.first, 'first') + self.assertRaises(TypeError, setattr, b, 'first', 'foo') + self.assertEquals(b.second, 'second') + self.assertRaises(TypeError, setattr, b, 'second', 'foo') + + def testPropertySubclassCustomSetterError(self): + try: + class A(GObject): + def get_first(self): + return 'first' + first = gobject.property(type=str, getter=get_first) + + def do_get_property(self, pspec): + pass + except TypeError: + pass + else: + raise AssertionError + + # Bug 587637. + def test_float_min(self): + gobject.property(type=float, minimum=-1) + gobject.property(type=gobject.TYPE_FLOAT, minimum=-1) + gobject.property(type=gobject.TYPE_DOUBLE, minimum=-1) + +if __name__ == '__main__': + unittest.main() |