add ImageModifierTests

Kingfisher.xcodeproj/project.pbxproj

@@ -335,6 +335,9 @@
 		D9638BA61C7DC71F0046523D /* ImagePrefetcherTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D9638BA41C7DC71F0046523D /* ImagePrefetcherTests.swift */; };
 		D9638BA71C7DCF560046523D /* ImagePrefetcherTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D9638BA41C7DC71F0046523D /* ImagePrefetcherTests.swift */; };
 		D9638BA81C7DCF570046523D /* ImagePrefetcherTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D9638BA41C7DC71F0046523D /* ImagePrefetcherTests.swift */; };
+		F72CE9CE1FCF17ED00CC522A /* ImageModifierTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = F72CE9CD1FCF17ED00CC522A /* ImageModifierTests.swift */; };
+		F72CE9CF1FCF17ED00CC522A /* ImageModifierTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = F72CE9CD1FCF17ED00CC522A /* ImageModifierTests.swift */; };
+		F72CE9D01FCF17ED00CC522A /* ImageModifierTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = F72CE9CD1FCF17ED00CC522A /* ImageModifierTests.swift */; };
 		F78F5EBD1FCDDE42001A9111 /* ImageModifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = F78F5EBC1FCDDE42001A9111 /* ImageModifier.swift */; };
 		F78F5EBE1FCDDE42001A9111 /* ImageModifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = F78F5EBC1FCDDE42001A9111 /* ImageModifier.swift */; };
 		F78F5EBF1FCDDE42001A9111 /* ImageModifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = F78F5EBC1FCDDE42001A9111 /* ImageModifier.swift */; };
@@ -664,6 +667,7 @@
 		D9638B9F1C7DBA660046523D /* ImagePrefetcher.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = ImagePrefetcher.swift; path = Sources/ImagePrefetcher.swift; sourceTree = "<group>"; };
 		D9638BA41C7DC71F0046523D /* ImagePrefetcherTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ImagePrefetcherTests.swift; sourceTree = "<group>"; };
 		DE80CB18FBC9F9F23DC1FDCF /* Pods-KingfisherTests-macOS.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-KingfisherTests-macOS.release.xcconfig"; path = "Pods/Target Support Files/Pods-KingfisherTests-macOS/Pods-KingfisherTests-macOS.release.xcconfig"; sourceTree = "<group>"; };
+		F72CE9CD1FCF17ED00CC522A /* ImageModifierTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ImageModifierTests.swift; sourceTree = "<group>"; };
 		F78F5EBC1FCDDE42001A9111 /* ImageModifier.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = ImageModifier.swift; path = Sources/ImageModifier.swift; sourceTree = "<group>"; };
 		FB402D0D1EDEAB7E002B62A1 /* FormatIndicatedCacheSerializer.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = FormatIndicatedCacheSerializer.swift; path = Sources/FormatIndicatedCacheSerializer.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -1100,6 +1104,7 @@
 				D12E0C4B1C47F23500AC98AD /* KingfisherOptionsInfoTests.swift */,
 				D12E0C4C1C47F23500AC98AD /* KingfisherTestHelper.swift */,
 				4BF806D61D752D4900C8DB13 /* ImageProcessorTests.swift */,
+				F72CE9CD1FCF17ED00CC522A /* ImageModifierTests.swift */,
 				D12E0C4D1C47F23500AC98AD /* KingfisherTests-Bridging-Header.h */,
 				D12E0C4E1C47F23500AC98AD /* UIButtonExtensionTests.swift */,
 				185218B51CC07F8300BD58DE /* NSButtonExtensionTests.swift */,
@@ -2198,6 +2203,7 @@
 				D12E0C701C47F6FE00AC98AD /* ImageExtensionTests.swift in Sources */,
 				D12E0C711C47F6FE00AC98AD /* ImageViewExtensionTests.swift in Sources */,
 				D12E0C721C47F6FE00AC98AD /* KingfisherManagerTests.swift in Sources */,
+				F72CE9CF1FCF17ED00CC522A /* ImageModifierTests.swift in Sources */,
 				D12E0C731C47F6FE00AC98AD /* KingfisherOptionsInfoTests.swift in Sources */,
 				D1DC4B421D60996D00DFDFAA /* StringExtensionTests.swift in Sources */,
 				D12E0C741C47F6FE00AC98AD /* UIButtonExtensionTests.swift in Sources */,
@@ -2216,6 +2222,7 @@
 				D9638BA81C7DCF570046523D /* ImagePrefetcherTests.swift in Sources */,
 				D12E0C841C47F7AF00AC98AD /* ImageExtensionTests.swift in Sources */,
 				D12E0C851C47F7AF00AC98AD /* ImageViewExtensionTests.swift in Sources */,
+				F72CE9D01FCF17ED00CC522A /* ImageModifierTests.swift in Sources */,
 				D12E0C861C47F7AF00AC98AD /* KingfisherManagerTests.swift in Sources */,
 				D1DC4B431D60996D00DFDFAA /* StringExtensionTests.swift in Sources */,
 				D12E0C871C47F7AF00AC98AD /* KingfisherOptionsInfoTests.swift in Sources */,
@@ -2346,6 +2353,7 @@
 				D12E0C551C47F23500AC98AD /* KingfisherManagerTests.swift in Sources */,
 				D12E0C511C47F23500AC98AD /* ImageDownloaderTests.swift in Sources */,
 				D12E0C521C47F23500AC98AD /* ImageExtensionTests.swift in Sources */,
+				F72CE9CE1FCF17ED00CC522A /* ImageModifierTests.swift in Sources */,
 				D12E0C531C47F23500AC98AD /* ImageViewExtensionTests.swift in Sources */,
 				D1DC4B411D60996D00DFDFAA /* StringExtensionTests.swift in Sources */,
 				D12E0C501C47F23500AC98AD /* ImageCacheTests.swift in Sources */,

Tests/KingfisherTests/ImageModifierTests.swift

@@ -0,0 +1,85 @@
+//
+//  ImageProcessorTests.swift
+//  Kingfisher
+//
+//  Created by Ethan Gill on 2017/11/29.
+//
+//  Copyright (c) 2017 Ethan Gill <onevcat@gmail.com>
+//
+//  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
+import Kingfisher
+
+class ImageModifierTests: XCTestCase {
+
+    override func setUp() {
+        super.setUp()
+        // Put setup code here. This method is called before the invocation of each test method in the class.
+    }
+
+    override func tearDown() {
+        // Put teardown code here. This method is called after the invocation of each test method in the class.
+        super.tearDown()
+    }
+
+    func testAnyImageModifier() {
+        let m = AnyImageModifier(modify: { image in
+            return image
+        })
+        let image = Image(data: testImagePNGData)!
+        let modifiedImage = m.modify(image: image)
+        XCTAssert(modifiedImage == image)
+    }
+
+#if os(iOS) || os(tvOS) || os(watchOS)
+
+    func testRenderingModeImageModifier() {
+        let m1 = RenderingModeImageModifier(renderingMode: .alwaysOriginal)
+        let image = Image(data: testImagePNGData)!
+        let alwaysOriginalImage = m1.modify(image: image)
+        XCTAssert(alwaysOriginalImage.renderingMode == .alwaysOriginal)
+
+        let m2 = RenderingModeImageModifier(renderingMode: .alwaysTemplate)
+        let alwaysTemplateImage = m2.modify(image: image)
+        XCTAssert(alwaysTemplateImage.renderingMode == .alwaysTemplate)
+    }
+
+    func testFlipsForRightToLeftLayoutDirectionImageModifier() {
+        let m = FlipsForRightToLeftLayoutDirectionImageModifier()
+        let image = Image(data: testImagePNGData)!
+        let modifiedImage = m.modify(image: image)
+        if #available(iOS 9.0, *) {
+            XCTAssert(modifiedImage.flipsForRightToLeftLayoutDirection == true)
+        } else {
+            XCTAssert(true)
+        }
+    }
+
+    func testAlignmentRectInsetsImageModifier() {
+        let insets = UIEdgeInsets(top: 8, left: 8, bottom: 8, right: 8)
+        let m = AlignmentRectInsetsImageModifier(alignmentInsets: insets)
+        let image = Image(data: testImagePNGData)!
+        let modifiedImage = m.modify(image: image)
+        XCTAssert(modifiedImage.alignmentRectInsets == insets)
+    }
+
+#endif
+
+}