Python ConverterRegistry.converter_for_value Beispiele

Beispiel #1

Datei: test_converter.py Projekt: reinout/morepath

def test_converter_registry():
    r = ConverterRegistry()

    c = Converter(int, unicode)
    r.register_converter(int, c)
    assert r.converter_for_type(int) is c
    assert r.converter_for_value(1) is c
    assert r.converter_for_value(None) is IDENTITY_CONVERTER
    assert r.converter_for_value('s') is None

Beispiel #2

Datei: test_converter.py Projekt: fudomunro/morepath

def test_converter_registry():
    r = ConverterRegistry()

    c = Converter(int, unicode)
    r.register_converter(int, c)
    assert r.converter_for_type(int) is c
    assert r.converter_for_value(1) is c
    assert r.converter_for_value(None) is IDENTITY_CONVERTER
    with pytest.raises(DirectiveError):
        r.converter_for_value('s')

Beispiel #3

Datei: test_converter.py Projekt: gotcha/morepath

def test_converter_registry():
    r = ConverterRegistry()

    c = Converter(int, type(u""))
    r.register_converter(int, c)
    assert r.converter_for_type(int) is c
    assert r.converter_for_value(1) is c
    assert r.converter_for_value(None) is IDENTITY_CONVERTER
    with pytest.raises(DirectiveError):
        r.converter_for_value('s')

Beispiel #4

Datei: test_converter.py Projekt: fudomunro/morepath

def test_converter_registry_inheritance():
    r = ConverterRegistry()

    class Lifeform(object):
        def __init__(self, name):
            self.name = name

    class Animal(Lifeform):
        pass

    seaweed = Lifeform('seaweed')
    elephant = Animal('elephant')

    lifeforms = {
        'seaweed': seaweed,
        'elephant': elephant,
        }

    def lifeform_decode(s):
        try:
            return lifeforms[s]
        except KeyError:
            raise ValueError

    def lifeform_encode(l):
        return l.name

    c = Converter(lifeform_decode, lifeform_encode)
    r.register_converter(Lifeform, c)
    assert r.converter_for_type(Lifeform) is c
    assert r.converter_for_type(Animal) is c
    assert r.converter_for_value(Lifeform('seaweed')) is c
    assert r.converter_for_value(Animal('elephant')) is c
    assert r.converter_for_value(None) is IDENTITY_CONVERTER
    with pytest.raises(DirectiveError):
        assert r.converter_for_value('s') is None
    assert r.converter_for_type(Lifeform).decode(['elephant']) is elephant
    assert r.converter_for_type(Lifeform).encode(seaweed) == ['seaweed']

Beispiel #5

Datei: test_converter.py Projekt: gotcha/morepath

def test_converter_registry_inheritance():
    r = ConverterRegistry()

    class Lifeform(object):
        def __init__(self, name):
            self.name = name

    class Animal(Lifeform):
        pass

    seaweed = Lifeform('seaweed')
    elephant = Animal('elephant')

    lifeforms = {
        'seaweed': seaweed,
        'elephant': elephant,
    }

    def lifeform_decode(s):
        try:
            return lifeforms[s]
        except KeyError:
            raise ValueError

    def lifeform_encode(l):
        return l.name

    c = Converter(lifeform_decode, lifeform_encode)
    r.register_converter(Lifeform, c)
    assert r.converter_for_type(Lifeform) is c
    assert r.converter_for_type(Animal) is c
    assert r.converter_for_value(Lifeform('seaweed')) is c
    assert r.converter_for_value(Animal('elephant')) is c
    assert r.converter_for_value(None) is IDENTITY_CONVERTER
    with pytest.raises(DirectiveError):
        assert r.converter_for_value('s') is None
    assert r.converter_for_type(Lifeform).decode(['elephant']) is elephant
    assert r.converter_for_type(Lifeform).encode(seaweed) == ['seaweed']