func handlerFunc(endpointTypeID string, container *goldi.Container) (http.HandlerFunc, error) {
h, err := container.Get(endpointTypeID)
if err != nil {
return nil, err
}
if h, ok := h.(func(http.ResponseWriter, *http.Request)); ok {
return h, nil
}
if h, ok := h.(http.Handler); ok {
return func(w http.ResponseWriter, r *http.Request) {
h.ServeHTTP(w, r)
}, nil
}
return nil, fmt.Errorf("Type %q is neither a http.Handler not a http.HandlerFunc but a %T", endpointTypeID, h)
}
container *goldi.Container
)
BeforeEach(func() {
registry = goldi.NewTypeRegistry()
config = map[string]interface{}{}
container = goldi.NewContainer(registry, config)
})
It("should panic if a type can not be resolved", func() {
Expect(func() { container.MustGet("foo.bar") }).To(Panic())
})
It("should return an error if there was an issue generating the type", func() {
container.Register("foo", goldi.NewStructType(nil))
_, err := container.Get("foo")
Expect(err).To(MatchError(`goldi: error while generating type "foo": the given struct is nil`))
})
It("should resolve simple types", func() {
registry.RegisterType("test_type", NewMockType)
Expect(container.MustGet("test_type")).To(BeAssignableToTypeOf(&MockType{}))
})
It("should build the types lazily", func() {
typeID := "test_type"
generator := &MockTypeFactory{}
registry.RegisterType(typeID, generator.NewMockType)
generatorWrapper, typeIsRegistered := registry[typeID]
Expect(typeIsRegistered).To(BeTrue())