Add tests for content mode processor

Kingfisher.xcodeproj/project.pbxproj

@@ -334,6 +334,42 @@
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@@ -615,6 +651,18 @@
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+				D14146451E5C7E86001476DF /* onevcat-resize-240-60-aspectFill-mac.jpg in Resources */,
+				D14146421E5C7E86001476DF /* kingfisher-resize-240-60-aspectFit.jpg in Resources */,
+				D141464B1E5C7E86001476DF /* onevcat-resize-240-60-aspectFit-mac.jpg in Resources */,
 				4BB83F0A1E32075800B64183 /* onevcat.jpg in Resources */,
 				4BB83EC81E32075800B64183 /* onevcat-resize-120.jpg in Resources */,
+				D14146541E5C7E86001476DF /* unicorn-resize-240-60-aspectFill.png in Resources */,
 				4BB83EF51E32075800B64183 /* kingfisher-tint-yellow-02-mac.jpg in Resources */,
 				4BB83EE61E32075800B64183 /* onevcat-round-corner-60-resize-100.jpg in Resources */,
 				4BB83E711E32075800B64183 /* unicorn-blur-10-mac.png in Resources */,
@@ -1635,10 +1716,13 @@
 				4BB83E741E32075800B64183 /* unicorn-blur-10.png in Resources */,
 				4BB83F071E32075800B64183 /* kingfisher.jpg in Resources */,
 				4BB83EFB1E32075800B64183 /* onevcat-tint-yellow-02-mac.jpg in Resources */,
+				D141463F1E5C7E86001476DF /* kingfisher-resize-240-60-aspectFit-mac.jpg in Resources */,
 				4BB83EBC1E32075800B64183 /* unicorn-overlay-red.png in Resources */,
+				D141465A1E5C7E86001476DF /* unicorn-resize-240-60-aspectFit.png in Resources */,
 				4BB83E8F1E32075800B64183 /* onevcat-blur-4-round-corner-60-mac.jpg in Resources */,
 				4BB83E651E32075800B64183 /* kingfisher-blur-10-mac.jpg in Resources */,
 				4BB83E771E32075800B64183 /* kingfisher-color-control-b00-c11-s12-ev07-mac.jpg in Resources */,
+				D141463C1E5C7E86001476DF /* kingfisher-resize-240-60-aspectFill.jpg in Resources */,
 				4BB83F0D1E32075800B64183 /* unicorn.png in Resources */,
 				4BB83E8C1E32075800B64183 /* kingfisher-blur-4-round-corner-60.jpg in Resources */,
 				4BB83EDA1E32075800B64183 /* kingfisher-round-corner-60-resize-100.jpg in Resources */,
@@ -1720,6 +1804,7 @@
 				4BB83F021E32075800B64183 /* unicorn-tint-yellow-02.png in Resources */,
 				D1D2C32A1C70A3230018F2F9 /* single-frame.gif in Resources */,
 				4BB83EA81E32075800B64183 /* onevcat-overlay-red-07.jpg in Resources */,
+				D14146371E5C7E86001476DF /* kingfisher-resize-240-60-aspectFill-mac.jpg in Resources */,
 				4BB83EB71E32075800B64183 /* unicorn-overlay-red-mac.png in Resources */,
 				4BB83ECF1E32075800B64183 /* kingfisher-round-corner-40-mac.jpg in Resources */,
 				4BB83EED1E32075800B64183 /* unicorn-round-corner-60-resize-100-mac.png in Resources */,
@@ -1727,11 +1812,15 @@
 				4BB83EDE1E32075800B64183 /* onevcat-round-corner-40.jpg in Resources */,
 				4BB83ECC1E32075800B64183 /* unicorn-resize-120.png in Resources */,
 				D12E0C4F1C47F23500AC98AD /* dancing-banana.gif in Resources */,
+				D14146551E5C7E86001476DF /* unicorn-resize-240-60-aspectFit-mac.png in Resources */,
 				4BB83E691E32075800B64183 /* onevcat-blur-10-mac.jpg in Resources */,
 				4BB83E781E32075800B64183 /* kingfisher-color-control-b00-c11-s12-ev07.jpg in Resources */,
 				4BB83EEA1E32075800B64183 /* unicorn-round-corner-40.png in Resources */,
+				D14146461E5C7E86001476DF /* onevcat-resize-240-60-aspectFill.jpg in Resources */,
 				4BB83E511E32075800B64183 /* kingfisher-b&w-mac.jpg in Resources */,
+				D141464F1E5C7E86001476DF /* unicorn-resize-240-60-aspectFill-mac.png in Resources */,
 				4BB83E871E32075800B64183 /* kingfisher-blur-4-round-corner-60-mac.jpg in Resources */,
+				D141464C1E5C7E86001476DF /* onevcat-resize-240-60-aspectFit.jpg in Resources */,
 				4BB83EF01E32075800B64183 /* unicorn-round-corner-60-resize-100.png in Resources */,
 				4BB83E961E32075800B64183 /* unicorn-blur-4-round-corner-60.png in Resources */,
 				4BB83E541E32075800B64183 /* kingfisher-b&w.jpg in Resources */,
@@ -1754,8 +1843,12 @@
 				4BB83ED21E32075800B64183 /* kingfisher-round-corner-40.jpg in Resources */,
 				4BB83EAB1E32075800B64183 /* onevcat-overlay-red-mac.jpg in Resources */,
 				4BB83EC31E32075800B64183 /* onevcat-resize-120-mac.jpg in Resources */,
+				D14146431E5C7E86001476DF /* onevcat-resize-240-60-aspectFill-mac.jpg in Resources */,
+				D14146401E5C7E86001476DF /* kingfisher-resize-240-60-aspectFit.jpg in Resources */,
+				D14146491E5C7E86001476DF /* onevcat-resize-240-60-aspectFit-mac.jpg in Resources */,
 				4BB83F081E32075800B64183 /* onevcat.jpg in Resources */,
 				4BB83EC61E32075800B64183 /* onevcat-resize-120.jpg in Resources */,
+				D14146521E5C7E86001476DF /* unicorn-resize-240-60-aspectFill.png in Resources */,
 				4BB83EF31E32075800B64183 /* kingfisher-tint-yellow-02-mac.jpg in Resources */,
 				4BB83EE41E32075800B64183 /* onevcat-round-corner-60-resize-100.jpg in Resources */,
 				4BB83E6F1E32075800B64183 /* unicorn-blur-10-mac.png in Resources */,
@@ -1766,10 +1859,13 @@
 				4BB83E721E32075800B64183 /* unicorn-blur-10.png in Resources */,
 				4BB83F051E32075800B64183 /* kingfisher.jpg in Resources */,
 				4BB83EF91E32075800B64183 /* onevcat-tint-yellow-02-mac.jpg in Resources */,
+				D141463D1E5C7E86001476DF /* kingfisher-resize-240-60-aspectFit-mac.jpg in Resources */,
 				4BB83EBA1E32075800B64183 /* unicorn-overlay-red.png in Resources */,
+				D14146581E5C7E86001476DF /* unicorn-resize-240-60-aspectFit.png in Resources */,
 				4BB83E8D1E32075800B64183 /* onevcat-blur-4-round-corner-60-mac.jpg in Resources */,
 				4BB83E631E32075800B64183 /* kingfisher-blur-10-mac.jpg in Resources */,
 				4BB83E751E32075800B64183 /* kingfisher-color-control-b00-c11-s12-ev07-mac.jpg in Resources */,
+				D141463A1E5C7E86001476DF /* kingfisher-resize-240-60-aspectFill.jpg in Resources */,
 				4BB83F0B1E32075800B64183 /* unicorn.png in Resources */,
 				4BB83E8A1E32075800B64183 /* kingfisher-blur-4-round-corner-60.jpg in Resources */,
 				4BB83ED81E32075800B64183 /* kingfisher-round-corner-60-resize-100.jpg in Resources */,

Tests/KingfisherTests/ImageExtensionTests.swift

@@ -115,4 +115,27 @@ class ImageExtensionTests: XCTestCase {
         XCTAssertNotNil(image, "The image should be initiated.")
         XCTAssertNil(image.kf.images, "The image should be nil")
     }
+    
+    func testSizeContent() {
+        func getRatio(image: Image) -> CGFloat {
+            return image.size.height / image.size.width
+        }
+        
+        let image = testImage
+        let ratio = getRatio(image: image)
+        
+        let targetSize = CGSize(width: 100, height: 50)
+        
+        let fillImage = image.kf.resize(to: targetSize, for: .aspectFill)
+        XCTAssertEqual(getRatio(image: fillImage), ratio)
+        XCTAssertEqual(max(fillImage.size.width, fillImage.size.height), 100)
+        
+        let fitImage = image.kf.resize(to: targetSize, for: .aspectFit)
+        XCTAssertEqual(getRatio(image: fitImage), ratio)
+        XCTAssertEqual(max(fitImage.size.width, fitImage.size.height), 50)
+        
+        let resizeImage = image.kf.resize(to: targetSize)
+        XCTAssertEqual(resizeImage.size.width, 100)
+        XCTAssertEqual(resizeImage.size.height, 50)
+    }
 }

Tests/KingfisherTests/ImageProcessorTests.swift

@@ -73,6 +73,16 @@ class ImageProcessorTests: XCTestCase {
         checkProcessor(p, with: "resize-120")
     }
     
+    func testResizingProcessorWithContentMode() {
+        let p1 = ResizingImageProcessor(targetSize: CGSize(width: 240, height: 60), contentMode: .aspectFill)
+        XCTAssertEqual(p1.identifier, "com.onevcat.Kingfisher.ResizingImageProcessor((240.0, 60.0), aspectFill)")
+        checkProcessor(p1, with: "resize-240-60-aspectFill")
+        
+        let p2 = ResizingImageProcessor(targetSize: CGSize(width: 240, height: 60), contentMode: .aspectFit)
+        XCTAssertEqual(p2.identifier, "com.onevcat.Kingfisher.ResizingImageProcessor((240.0, 60.0), aspectFit)")
+        checkProcessor(p2, with: "resize-240-60-aspectFit")
+    }
+    
     func testBlurProcessor() {
         let p = BlurImageProcessor(blurRadius: 10)
         XCTAssertEqual(p.identifier, "com.onevcat.Kingfisher.BlurImageProcessor(10.0)")