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Merge pull request #37 from UrbanCompass/notification
adding notification extension
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| // Copyright © 2016 Compass. All rights reserved. | ||
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| import Foundation | ||
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| extension NotificationCenter { | ||
| private static var observableKey = "ObservableKey" | ||
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| func observableHandler(_ notification: NSNotification) { | ||
| if let observable = objc_getAssociatedObject(self, &NotificationCenter.observableKey) as? Observable<NSNotification> { | ||
| observable.on(.next(notification)) | ||
| } | ||
| } | ||
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| func observeEvent(_ name: NSNotification.Name?) -> Observable<NSNotification> { | ||
| let observable = Observable<NSNotification>() | ||
| objc_setAssociatedObject(self, &NotificationCenter.observableKey, observable, .OBJC_ASSOCIATION_RETAIN_NONATOMIC) | ||
| addObserver(self, selector: #selector(observableHandler(_:)), name: name, object: nil) | ||
| return observable | ||
| } | ||
| } |
24 changes: 24 additions & 0 deletions
24
SnailTests/Extensions/NSNotificationCenterExtensions.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| // Copyright © 2016 Compass. All rights reserved. | ||
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| import UIKit | ||
| import XCTest | ||
| @testable import Snail | ||
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| class NSNotificationCenterTests: XCTestCase { | ||
| func testNotificaiton() { | ||
| let exp = expectation(description: "notification") | ||
| let notificationName = NSNotification.Name.UIKeyboardWillShow | ||
| var notifcation: NSNotification? | ||
| let subject = NotificationCenter.default.observeEvent(notificationName) | ||
| subject.subscribe(onNext: { n in | ||
| notifcation = n | ||
| exp.fulfill() | ||
| }) | ||
| NotificationCenter.default.post(name: notificationName, object: nil) | ||
| waitForExpectations(timeout: 3) { error in | ||
| XCTAssertNil(error) | ||
| XCTAssertNotNil(notifcation) | ||
| XCTAssert(notifcation?.name == notificationName) | ||
| } | ||
| } | ||
| } |