Python binds Examples

Example #1

File: test_decorators.py Project: julianmateu/microcosm-pubsub

    def test_temporarily_replace_missing_keys(self):
        context = dict()

        func = binds(arg="param")(lambda param: param)

        wrapped = get_from_context(context, func)
        wrapped = temporarily_replace_context_keys(context, wrapped)

        assert_that(calling(wrapped), raises(KeyError))

Example #2

File: test_decorators.py Project: julianmateu/microcosm-pubsub

    def test_temporarily_replace_context_keys_wrong_order(self):
        context = dict(arg=123)

        func = binds(arg="param")(lambda param: param)

        wrapped = temporarily_replace_context_keys(context, func)
        wrapped = get_from_context(context, wrapped)

        assert_that(calling(wrapped), raises(ContextKeyNotFound))

Example #3

File: test_decorators.py Project: julianmateu/microcosm-pubsub

    def test_temporarily_replace_context_keys(self):
        context = dict(arg=123)

        func = binds(arg="param")(lambda param: param)

        wrapped = get_from_context(context, func)
        wrapped = temporarily_replace_context_keys(context, wrapped)

        assert_that(wrapped(), is_(123))

Example #4

File: test_decorators.py Project: globality-corp/microcosm-pubsub

    def test_temporarily_replace_missing_keys(self):
        context = dict()

        func = binds(arg="param")(lambda param: param)

        wrapped = get_from_context(context, func)
        wrapped = temporarily_replace_context_keys(context, wrapped)

        assert_that(calling(wrapped), raises(KeyError))

Example #5

File: test_decorators.py Project: globality-corp/microcosm-pubsub

    def test_temporarily_replace_context_keys(self):
        context = dict(arg=123)

        func = binds(arg="param")(lambda param: param)

        wrapped = get_from_context(context, func)
        wrapped = temporarily_replace_context_keys(context, wrapped)

        assert_that(wrapped(), is_(123))

Example #6

    def test_chain_link_with_multiple_decorators(self):
        @extracts("param")
        class Extractor:
            def __call__(self):
                return 20

        class Transformer:
            @extracts("res")
            def transform(self, arg):
                return arg * 10

        chain = Chain(
            Extractor(),
            binds(param="arg")(Transformer().transform),
            lambda res: res,
        )
        assert_that(
            chain(),
            is_(equal_to(200)),
        )

Example #7

File: test_chain.py Project: globality-corp/microcosm-pubsub

    def test_chain_link_with_multiple_decorators(self):

        @extracts("param")
        class Extractor:
            def __call__(self):
                return 20

        class Transformer:
            @extracts("res")
            def transform(self, arg):
                return arg * 10

        chain = Chain(
            Extractor(),
            binds(param="arg")(Transformer().transform),
            lambda res: res,
        )
        assert_that(
            chain(),
            is_(equal_to(200)),
        )