Files
Dip/Tests/DipTests/ContextTests.swift
2019-06-11 23:23:39 +01:00

248 lines
9.4 KiB
Swift

//
// Dip
//
// Copyright (c) 2015 Olivier Halligon <olivier@halligon.net>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
import XCTest
@testable import Dip
private protocol Service {}
private class ServiceImp1: Service {
let injected = Injected<ServiceImp2>()
let injectedWeak = InjectedWeak<ServiceImp2>()
let taggedInjected = Injected<ServiceImp2>(tag: "injectedTag")
let taggedInjectedWeak = InjectedWeak<ServiceImp2>(tag: "injectedTag")
let injectedNilTag = Injected<ServiceImp2>(tag: nil)
}
private class ServiceImp2: Service {}
class ContextTests: XCTestCase {
let container = DependencyContainer()
override func setUp() {
container.reset()
container.register { ServiceImp2() }
}
func testThatContextStoresCurrentlyResolvedType() {
container.register { () -> Service in
XCTAssertTrue(self.container.context.resolvingType == Service.self)
let _ = try self.container.resolve() as ServiceImp1
return ServiceImp1() as Service
}.resolvingProperties { _,_ in
XCTAssertTrue(self.container.context.resolvingType == Service.self)
let _ = try self.container.resolve() as ServiceImp1
}
container.register { () -> ServiceImp1 in
XCTAssertTrue(self.container.context.resolvingType == ServiceImp1.self)
return ServiceImp1()
}.resolvingProperties { _,_ in
XCTAssertTrue(self.container.context.resolvingType == ServiceImp1.self)
}
let _ = try! container.resolve() as Service
}
func testThatContextStoresInjectedInType() {
container.register { () -> Service in
XCTAssertNil(self.container.context.injectedInType)
let _ = try self.container.resolve() as ServiceImp1
return ServiceImp1() as Service
}.resolvingProperties { _,_ in
XCTAssertNil(self.container.context.injectedInType)
let _ = try self.container.resolve() as ServiceImp1
}
container.register { () -> ServiceImp1 in
XCTAssertTrue(self.container.context.injectedInType == Service.self)
return ServiceImp1()
}.resolvingProperties { _,_ in
XCTAssertTrue(self.container.context.injectedInType == Service.self)
}
let _ = try! container.resolve() as Service
}
func testThatContextStoresTheTagPassedToResolve() {
container.register { () -> Service in
XCTAssertNotNil(self.container.context.tag)
XCTAssertTrue(DependencyContainer.Tag.String("tag") ~= self.container.context.tag!)
let _ = try self.container.resolve(tag: "otherTag") as ServiceImp1
return ServiceImp1() as Service
}.resolvingProperties { _,_ in
XCTAssertNotNil(self.container.context.tag)
XCTAssertTrue(DependencyContainer.Tag.String("tag") ~= self.container.context.tag!)
let _ = try self.container.resolve(tag: "otherTag") as ServiceImp1
}
container.register { () -> ServiceImp1 in
XCTAssertNotNil(self.container.context.tag)
XCTAssertTrue(DependencyContainer.Tag.String("otherTag") ~= self.container.context.tag!)
return ServiceImp1()
}.resolvingProperties { _,_ in
XCTAssertNotNil(self.container.context.tag)
XCTAssertTrue(DependencyContainer.Tag.String("otherTag") ~= self.container.context.tag!)
}
let _ = try! container.resolve(tag: "tag") as Service
}
func testThatContextStoresTheTagPassedToResolveWhenAutoInjecting() {
container.register { ServiceImp1() as Service }
container.register { ServiceImp1() }
container.register { () -> ServiceImp2 in
if self.container.context.injectedInProperty == "injectedNilTag" {
XCTAssertNil(self.container.context.tag)
}
else {
XCTAssertNotNil(self.container.context.tag)
XCTAssertTrue(DependencyContainer.Tag.String("injectedTag") ~= self.container.context.tag!)
}
return ServiceImp2()
}.resolvingProperties { _,_ in
if self.container.context.injectedInProperty == "injectedNilTag" {
XCTAssertNil(self.container.context.tag)
}
else {
XCTAssertNotNil(self.container.context.tag)
XCTAssertTrue(DependencyContainer.Tag.String("injectedTag") ~= self.container.context.tag!)
}
}
container.register(tag: "tag") { () -> ServiceImp2 in
XCTAssertNotNil(self.container.context.tag)
XCTAssertTrue(DependencyContainer.Tag.String("tag") ~= self.container.context.tag!)
return ServiceImp2()
}.resolvingProperties { _,_ in
XCTAssertNotNil(self.container.context.tag)
XCTAssertTrue(DependencyContainer.Tag.String("tag") ~= self.container.context.tag!)
}
let _ = try! container.resolve(tag: "tag") as Service
}
func testThatContextStoresTheTagPassedToResolveWhenAutoWiring() {
container.register { (_: ServiceImp1) -> Service in
return ServiceImp1() as Service
}.resolvingProperties { _,_ in
}
container.register { () -> ServiceImp1 in
XCTAssertNotNil(self.container.context.tag)
XCTAssertTrue(DependencyContainer.Tag.String("tag") ~= self.container.context.tag!)
return ServiceImp1()
}.resolvingProperties { _,_ in
XCTAssertNotNil(self.container.context.tag)
XCTAssertTrue(DependencyContainer.Tag.String("tag") ~= self.container.context.tag!)
}
let _ = try! container.resolve(tag: "tag") as Service
}
func testThatContextDoesNotOverrideNilTagPassedToResolve() {
container.register { () -> Service in
XCTAssertNotNil(self.container.context.tag)
XCTAssertTrue(DependencyContainer.Tag.String("tag") ~= self.container.context.tag!)
let _ = try self.container.resolve() as ServiceImp1
return ServiceImp1() as Service
}.resolvingProperties { _,_ in
XCTAssertNotNil(self.container.context.tag)
XCTAssertTrue(DependencyContainer.Tag.String("tag") ~= self.container.context.tag!)
let _ = try self.container.resolve() as ServiceImp1
}
container.register { () -> ServiceImp1 in
XCTAssertNil(self.container.context.tag)
return ServiceImp1()
}.resolvingProperties { _,_ in
XCTAssertNil(self.container.context.tag)
}
let _ = try! container.resolve(tag: "tag") as Service
}
func testThatContextStoresNameOfAutoInjectedProperty() {
container.register { ServiceImp1() as Service }
container.register { ServiceImp1() }
let names = ["injected", "injectedWeak", "taggedInjected", "taggedInjectedWeak", "injectedNilTag"]
container.register { () -> ServiceImp2 in
XCTAssertNotNil(self.container.context.injectedInProperty)
XCTAssertTrue(names.contains(self.container.context.injectedInProperty!))
return ServiceImp2()
}.resolvingProperties { _,_ in
XCTAssertNotNil(self.container.context.injectedInProperty)
XCTAssertTrue(names.contains(self.container.context.injectedInProperty!))
}
let _ = try! container.resolve() as Service
}
func testThatItDoesNotSetInjectedInTypeWhenResolvingWithCollaboration() {
let collaborator = DependencyContainer()
collaborator.register { () -> ServiceImp1 in
unowned let collaborator = collaborator
XCTAssertNil(collaborator.context.injectedInType)
return ServiceImp1()
}.resolvingProperties { collaborator, _ in
XCTAssertNil(collaborator.context.injectedInType)
}
container.collaborate(with: collaborator)
collaborator.collaborate(with: container)
let _ = try! container.resolve() as ServiceImp1
}
func testThatContextIsPreservedWhenResolvingWithCollaboration() {
let collaborator = DependencyContainer()
container.register { () -> Service in
XCTAssertTrue(self.container.context.resolvingType == Service.self)
let _ = try self.container.resolve() as ServiceImp1
return ServiceImp1() as Service
}.resolvingProperties { _,_ in
XCTAssertTrue(self.container.context.resolvingType == Service.self)
let _ = try self.container.resolve() as ServiceImp1
}
collaborator.register { () -> ServiceImp1 in
XCTAssertTrue(collaborator.context.resolvingType == ServiceImp1.self)
return ServiceImp1()
}.resolvingProperties { _,_ in
XCTAssertTrue(collaborator.context.resolvingType == ServiceImp1.self)
}
container.collaborate(with: collaborator)
collaborator.collaborate(with: container)
let _ = try! container.resolve() as Service
collaborator.reset()
}
}