Release 0.2.0

.travis.yml

@@ -16,3 +16,6 @@ script:
 - set -o pipefail && xcodebuild test -project DipUI/DipUI.xcodeproj -scheme DipUI-tvOS -sdk appletvsimulator -destination 'platform=tvOS Simulator,name=Apple TV 1080p,OS=latest' ONLY_ACTIVE_ARCH=NO | xcpretty -c
 - pod lib lint --quick
 - carthage build --no-skip-current
+
+notifications:
+email: false

CHANGELOG.md

@@ -1,5 +1,13 @@
 # CHANGELOG
 
+## 0.2.0
+
+* Multiple UI containers
+  [#7](https://github.com/AliSoftware/Dip/pull/7), [@ilyapuchka](https://github.com/ilyapuchka)
+
+* dipTag can be `nil`
+  [#6](https://github.com/AliSoftware/Dip/pull/6), [@ilyapuchka](https://github.com/ilyapuchka)
+
 ## 0.1.0
 
 * Fixed Dip version in podspec.

Dip-UI.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = "Dip-UI"
-  s.version          = "0.1.0"
+  s.version          = "0.2.0"
   s.summary          = "Dip UI extension"
 
   s.description      = <<-DESC

DipUI/DipUI.xcodeproj/project.pbxproj

@@ -563,7 +563,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
-				CURRENT_PROJECT_VERSION = 0.1.0;
+				CURRENT_PROJECT_VERSION = 0.2.0;
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
@@ -612,7 +612,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
-				CURRENT_PROJECT_VERSION = 0.1.0;
+				CURRENT_PROJECT_VERSION = 0.2.0;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;

DipUI/DipUITests/DipUITests.swift

@@ -42,7 +42,8 @@ import XCTest
 
 #endif
 
-class DipViewController: ViewController, StoryboardInstantiatable { }
+class DipViewController: ViewController, StoryboardInstantiatable {}
+class NilTagViewController: ViewController, StoryboardInstantiatable {}
 
 class DipUITests: XCTestCase {
 
@@ -73,23 +74,74 @@ class DipUITests: XCTestCase {
         XCTFail("Should not resolve when container is not set.")
     }
 
-    DependencyContainer.uiContainer = container
+    DependencyContainer.uiContainers = [container]
     storyboard.instantiateViewControllerWithIdentifier("ViewController")
   }
-  
-  func testThatItResolvesIfContainerAndTagAreSet() {
+
+  func testThatItResolvesIfContainerAndStringTagAreSet() {
     var resolved = false
     let container = DependencyContainer()
     container.register(tag: "vc") { DipViewController() }
       .resolveDependencies { _, _ in
         resolved = true
     }
 
-    DependencyContainer.uiContainer = container
+    DependencyContainer.uiContainers = [container]
     storyboard.instantiateViewControllerWithIdentifier("DipViewController")
-    XCTAssertTrue(resolved, "Should resolve when container is set.")
+    XCTAssertTrue(resolved, "Should resolve when container and tag are set.")
+  }
+
+  func testThatItResolvesIfContainerAndNilTagAreSet() {
+    var resolved = false
+    let container = DependencyContainer()
+    container.register() { NilTagViewController() }
+      .resolveDependencies { _, _ in
+        resolved = true
+    }
+
+    DependencyContainer.uiContainers = [container]
+    storyboard.instantiateViewControllerWithIdentifier("NilTagViewController")
+    XCTAssertTrue(resolved, "Should resolve when container and nil tag are set.")
+  }
+
+  func testThatItDoesNotResolveIfTagDoesNotMatch() {
+    let container = DependencyContainer()
+    container.register(tag: "wrong tag") { DipViewController() }
+      .resolveDependencies { _, _ in
+        XCTFail("Should not resolve when container is not set.")
+    }
+
+    DependencyContainer.uiContainers = [container]
+    storyboard.instantiateViewControllerWithIdentifier("DipViewController")
+  }
+
+  func testThatItResolvesWithDefinitionWithNoTag() {
+    var resolved = false
+    let container = DependencyContainer()
+    container.register() { DipViewController() }
+      .resolveDependencies { _, _ in
+        resolved = true
+    }
+
+    DependencyContainer.uiContainers = [container]
+    storyboard.instantiateViewControllerWithIdentifier("DipViewController")
+    XCTAssertTrue(resolved, "Should fallback to definition with no tag.")
   }
 
+  func testThatItIteratesUIContainers() {
+    var resolved = false
+    let container1 = DependencyContainer()
+    let container2 = DependencyContainer()
+    container2.register(tag: "vc") { DipViewController() }
+      .resolveDependencies { container, _ in
+        XCTAssertTrue(container === container2)
+        resolved = true
+    }
+
+    DependencyContainer.uiContainers = [container1, container2]
+    storyboard.instantiateViewControllerWithIdentifier("DipViewController")
+    XCTAssertTrue(resolved, "Should resolve using second container")
+  }
 }
 
 protocol SomeService: class {

DipUI/DipUITests/NSStoryboard.storyboard

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.Storyboard.XIB" version="3.0" toolsVersion="9531" systemVersion="15C50" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES">
+<document type="com.apple.InterfaceBuilder3.Cocoa.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES">
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="9531"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="10117"/>
     </dependencies>
     <scenes>
         <!--Dip View Controller-->
@@ -20,6 +20,22 @@
             </objects>
             <point key="canvasLocation" x="311" y="339"/>
         </scene>
+        <!--Nil Tag View Controller-->
+        <scene sceneID="OhX-tC-zpS">
+            <objects>
+                <viewController storyboardIdentifier="NilTagViewController" id="35S-Ec-qEA" customClass="NilTagViewController" customModule="DipUI_OSXTests" customModuleProvider="target" sceneMemberID="viewController">
+                    <view key="view" id="y58-K4-cDZ">
+                        <rect key="frame" x="0.0" y="0.0" width="450" height="300"/>
+                        <autoresizingMask key="autoresizingMask"/>
+                    </view>
+                    <userDefinedRuntimeAttributes>
+                        <userDefinedRuntimeAttribute type="nil" keyPath="dipTag"/>
+                    </userDefinedRuntimeAttributes>
+                </viewController>
+                <customObject id="pvf-jv-8Cj" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="874" y="339"/>
+        </scene>
         <!--View Controller-->
         <scene sceneID="Rwu-gt-fAa">
             <objects>

DipUI/DipUITests/UIStoryboard.storyboard

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="9532" systemVersion="15D21" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="5AO-J3-7R4">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="5AO-J3-7R4">
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9530"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
     </dependencies>
     <scenes>
         <!--View Controller-->
@@ -48,5 +48,28 @@
             </objects>
             <point key="canvasLocation" x="646" y="200"/>
         </scene>
+        <!--Dip View Controller-->
+        <scene sceneID="AUA-qF-7ky">
+            <objects>
+                <viewController storyboardIdentifier="NilTagViewController" id="fFP-hb-OdS" userLabel="Dip View Controller" customClass="NilTagViewController" customModule="DipUI_iOSTests" customModuleProvider="target" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="Sio-ii-jPl"/>
+                        <viewControllerLayoutGuide type="bottom" id="bhs-zK-dln"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="4xq-UV-htt">
+                        <rect key="frame" x="0.0" y="0.0" width="200" height="100"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                    </view>
+                    <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
+                    <size key="freeformSize" width="200" height="100"/>
+                    <userDefinedRuntimeAttributes>
+                        <userDefinedRuntimeAttribute type="nil" keyPath="dipTag"/>
+                    </userDefinedRuntimeAttributes>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="xvW-k9-I9y" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="898" y="200"/>
+        </scene>
     </scenes>
 </document>

README.md

@@ -49,7 +49,7 @@ To injecte dependencies in this view controller when it is instantiated from sto
 
 1. Register the dependencies in the `DependencyContainer`, as well as `MyViewController`:
 
- ```swift
+```swift
 import Dip
 
 @UIApplicationMain
@@ -71,17 +71,19 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         container.service 		= try container.resolve() as MyViewControllerService
       }
 
-    DependencyContainer.uiContainer = container
+      DependencyContainer.uiContainers = [container]
   }
 }
 ```
+
 > Note: All the depdencies are registered as implementations of abstractions (protocols). But `MyViewController` is registered as concrete type. But you can also make your view controller conform to some protocols and register them as implementations of these protocols.
+ In this case you can use `Nil` attribute type instead of `String`.
 
-2. Set the container as one that will be used to inject dependencies in objects created by storyboards. You do it by setting static `uiContainer` property of `DependencyContainer ` class: `DependencyContainer.uiContainer = container`
+2. Set the container as one that will be used to inject dependencies in objects created by storyboards. You do it by setting static `uiContainers` property of `DependencyContainer ` class: `DependencyContainer.uiContainers = [container]`
 
 3. Make your view controller class conform to `StoryboardInstantiatable` protocol:
 
- ```swift
+```swift
 extension MyViewController: StoryboardInstantiatable { }
 ```
 
@@ -104,8 +106,8 @@ Now when view controller will be loaded from a storyboard Dip-UI will intercept
  container.register { MyViewController() as MyScene }
 
  extension MyViewController: StoryboardInstantiatable {
-   func didInstantiateFromStoryboard(container: DependencyContainer, tag: DependencyContainer.Tag) {
-     try! container.resolveDependenciesOf(self as MyScene, tag: tag)
+   func didInstantiateFromStoryboard(container: DependencyContainer, tag: DependencyContainer.Tag?) throws {
+     try container.resolveDependenciesOf(self as MyScene, tag: tag)
    }
  }
  ```

Sources/StoryboardInstantiatable.swift

@@ -118,23 +118,18 @@ public protocol StoryboardInstantiatable {
    ```
 
   */
-  func didInstantiateFromStoryboard(container: DependencyContainer, tag: DependencyContainer.Tag)
+  func didInstantiateFromStoryboard(container: DependencyContainer, tag: DependencyContainer.Tag?) throws
 }
 
 extension StoryboardInstantiatable {
-  public func didInstantiateFromStoryboard(container: DependencyContainer, tag: DependencyContainer.Tag) {
-    do {
-      try container.resolveDependenciesOf(self, tag: tag)
-    }
-    catch {
-      print(error)
-    }
+  public func didInstantiateFromStoryboard(container: DependencyContainer, tag: DependencyContainer.Tag?) throws {
+    try container.resolveDependenciesOf(self, tag: tag)
   }
 }
 
 extension DependencyContainer {
-  ///A container that will be used to resolve dependencies of instances, created by stroyboards.
-  static public var uiContainer: DependencyContainer?
+  ///Containers that will be used to resolve dependencies of instances, created by stroyboards.
+  static public var uiContainers: [DependencyContainer] = []
 }
 
 let DipTagAssociatedObjectKey = UnsafeMutablePointer<Int8>.alloc(1)
@@ -143,19 +138,19 @@ extension NSObject {
 
   ///A string tag that will be used to resolve dependencies of this instance
   ///if it implements `StoryboardInstantiatable` protocol.
-  @IBInspectable private(set) public var dipTag: String? {
+  private(set) public var dipTag: String? {
     get {
       return objc_getAssociatedObject(self, DipTagAssociatedObjectKey) as? String
     }
     set {
       objc_setAssociatedObject(self, DipTagAssociatedObjectKey, newValue, .OBJC_ASSOCIATION_COPY_NONATOMIC)
+      guard let instantiatable = self as? StoryboardInstantiatable else { return }
 
-      if let
-        tag = newValue.map(DependencyContainer.Tag.String),
-        container = DependencyContainer.uiContainer,
-        instantiatable = self as? StoryboardInstantiatable {
-          instantiatable.didInstantiateFromStoryboard(container, tag: tag)
-        }
+      let tag = dipTag.map(DependencyContainer.Tag.String)
+
+      for container in DependencyContainer.uiContainers {
+        guard let _ = try? instantiatable.didInstantiateFromStoryboard(container, tag: tag) else { continue }
+      }
     }
   }