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+//
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+// UIImageViewExtensionTests.swift
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+// Kingfisher
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+//
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+// Created by Wei Wang on 15/4/17.
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+//
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+// Copyright (c) 2015 Wei Wang <onevcat@gmail.com>
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+//
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+// Permission is hereby granted, free of charge, to any person obtaining a copy
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+// of this software and associated documentation files (the "Software"), to deal
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+// in the Software without restriction, including without limitation the rights
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+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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+// copies of the Software, and to permit persons to whom the Software is
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+// furnished to do so, subject to the following conditions:
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+//
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+// The above copyright notice and this permission notice shall be included in
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+// all copies or substantial portions of the Software.
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+//
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+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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+// THE SOFTWARE.
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+
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+import UIKit
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+import XCTest
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+import Kingfisher
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+
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+class UIImageViewExtensionTests: XCTestCase {
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+
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+ var imageView: UIImageView!
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+
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+ override class func setUp() {
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+ super.setUp()
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+ LSNocilla.sharedInstance().start()
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+ }
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+
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+ override class func tearDown() {
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+ super.tearDown()
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+ LSNocilla.sharedInstance().stop()
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+ }
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+
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+ override func setUp() {
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+ super.setUp()
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+ // Put setup code here. This method is called before the invocation of each test method in the class.
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+ imageView = UIImageView()
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+ }
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+
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+ override func tearDown() {
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+ // Put teardown code here. This method is called after the invocation of each test method in the class.
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+ LSNocilla.sharedInstance().clearStubs()
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+ imageView = nil
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+
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+ KingfisherManager.sharedManager.cache.clearDiskCache()
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+ KingfisherManager.sharedManager.cache.clearMemoryCache()
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+
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+ super.tearDown()
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+ }
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+
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+ func testImageDownloadForImageView() {
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+ let expectation = expectationWithDescription("wait for downloading image")
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+
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+ let URLString = testKeys[0]
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+ stubRequest("GET", URLString).andReturn(200).withBody(testImageData)
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+ let URL = NSURL(string: URLString)!
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+
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+ var progressBlockIsCalled = false
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+
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+ imageView.kf_setImageWithURL(URL, placeholderImage: nil, options: KingfisherOptions.None, progressBlock: { (receivedSize, totalSize) -> () in
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+ progressBlockIsCalled = true
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+ }) { (image, error, imageURL) -> () in
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+ expectation.fulfill()
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+
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+ XCTAssert(progressBlockIsCalled, "progressBlock should be called at least once.")
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+ XCTAssert(image != nil, "Downloaded image should exist.")
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+ XCTAssert(image! == testImage, "Downloaded image should be the same as test image.")
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+ XCTAssert(self.imageView.image! == testImage, "Downloaded image should be already set to the image property.")
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+ XCTAssert(self.imageView.kf_webURL == imageURL, "Web URL should equal to the downloaded url.")
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+ }
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+
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+ waitForExpectationsWithTimeout(1, handler: nil)
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+ }
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+
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+ func testImageDownloadCancelForImageView() {
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+ let expectation = expectationWithDescription("wait for downloading image")
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+
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+ let URLString = testKeys[0]
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+ stubRequest("GET", URLString).andReturn(200).withBody(testImageData)
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+ let URL = NSURL(string: URLString)!
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+
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+ var progressBlockIsCalled = false
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+ var completionBlockIsCalled = false
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+
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+ let task = imageView.kf_setImageWithURL(URL, placeholderImage: nil, options: KingfisherOptions.None, progressBlock: { (receivedSize, totalSize) -> () in
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+ progressBlockIsCalled = true
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+ }) { (image, error, imageURL) -> () in
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+ completionBlockIsCalled = true
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+ }
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+ task.cancel()
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+
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+ dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64(Double(NSEC_PER_SEC) * 0.09)), dispatch_get_main_queue()) { () -> Void in
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+ expectation.fulfill()
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+ XCTAssert(progressBlockIsCalled == false, "ProgressBlock should not be called since it is canceled.")
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+ XCTAssert(completionBlockIsCalled == false, "CompletionBlock should not be called since it is canceled.")
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+ }
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+
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+ waitForExpectationsWithTimeout(0.1, handler: nil)
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+ }
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+
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+ func testImageDownloadCacelPartialTask() {
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+ let expectation = expectationWithDescription("wait for downloading image")
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+
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+ let URLString = testKeys[0]
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+ stubRequest("GET", URLString).andReturn(200).withBody(testImageData)
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+ let URL = NSURL(string: URLString)!
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+
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+ var task1Completion = false
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+ var task2Completion = false
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+ var task3Completion = false
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+
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+ let task1 = imageView.kf_setImageWithURL(URL, placeholderImage: nil, options: KingfisherOptions.None, progressBlock: { (receivedSize, totalSize) -> () in
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+
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+ }) { (image, error, imageURL) -> () in
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+ task1Completion = true
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+ }
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+
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+ let task2 = imageView.kf_setImageWithURL(URL, placeholderImage: nil, options: KingfisherOptions.None, progressBlock: { (receivedSize, totalSize) -> () in
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+
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+ }) { (image, error, imageURL) -> () in
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+ task2Completion = true
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+ }
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+
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+ let task3 = imageView.kf_setImageWithURL(URL, placeholderImage: nil, options: KingfisherOptions.None, progressBlock: { (receivedSize, totalSize) -> () in
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+
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+ }) { (image, error, imageURL) -> () in
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+ task3Completion = true
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+ }
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+
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+ task1.cancel()
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+
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+ dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64(Double(NSEC_PER_SEC) * 0.09)), dispatch_get_main_queue()) { () -> Void in
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+ expectation.fulfill()
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+ XCTAssert(task1Completion == false, "Task 1 is canceled. The completion flag should be fasle.")
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+ XCTAssert(task2Completion == true, "Task 2 should be completed.")
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+ XCTAssert(task3Completion == true, "Task 3 should be completed.")
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+ }
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+
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+ waitForExpectationsWithTimeout(0.1, handler: nil)
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+ }
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+
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+}
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onevcat