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| 1 | +/** |
| 2 | + * The examples provided by Facebook are for non-commercial testing and |
| 3 | + * evaluation purposes only. |
| 4 | + * |
| 5 | + * Facebook reserves all rights not expressly granted. |
| 6 | + * |
| 7 | + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 8 | + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 9 | + * FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL |
| 10 | + * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| 11 | + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 12 | + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 13 | + */ |
| 14 | + |
| 15 | +#import <XCTest/XCTest.h> |
| 16 | + |
| 17 | +#import "RCTBridge.h" |
| 18 | +#import "RCTImageLoader.h" |
| 19 | +#import "RCTImageLoaderHelpers.h" |
| 20 | + |
| 21 | +unsigned char blackGIF[] = { |
| 22 | + 0x47, 0x49, 0x46, 0x38, 0x39, 0x61, 0x01, 0x00, 0x01, 0x00, 0x80, 0x00, |
| 23 | + 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0x2c, 0x00, 0x00, 0x00, 0x00, |
| 24 | + 0x01, 0x00, 0x01, 0x00, 0x00, 0x02, 0x02, 0x44, 0x01, 0x00, 0x3b |
| 25 | +}; |
| 26 | + |
| 27 | +RCTDefineImageURLLoader(RCTImageLoaderTestsURLLoader1) |
| 28 | +RCTDefineImageURLLoader(RCTImageLoaderTestsURLLoader2) |
| 29 | +RCTDefineImageDecoder(RCTImageLoaderTestsDecoder1) |
| 30 | +RCTDefineImageDecoder(RCTImageLoaderTestsDecoder2) |
| 31 | + |
| 32 | +@interface RCTImageLoaderTests : XCTestCase |
| 33 | + |
| 34 | +@end |
| 35 | + |
| 36 | +@implementation RCTImageLoaderTests |
| 37 | + |
| 38 | +- (void)testImageLoading |
| 39 | +{ |
| 40 | + UIImage *image = [UIImage new]; |
| 41 | + |
| 42 | + id<RCTImageURLLoader> loader = [[RCTImageLoaderTestsURLLoader1 alloc] initWithPriority:1.0 canLoadImageURLHandler:^BOOL(__unused NSURL *requestURL) { |
| 43 | + return YES; |
| 44 | + } loadImageURLHandler:^RCTImageLoaderCancellationBlock(__unused NSURL *imageURL, __unused CGSize size, __unused CGFloat scale, __unused UIViewContentMode resizeMode, RCTImageLoaderProgressBlock progressHandler, RCTImageLoaderCompletionBlock completionHandler) { |
| 45 | + progressHandler(1, 1); |
| 46 | + completionHandler(nil, image); |
| 47 | + return nil; |
| 48 | + }]; |
| 49 | + |
| 50 | + RCTImageLoader *imageLoader = [RCTImageLoader new]; |
| 51 | + NS_VALID_UNTIL_END_OF_SCOPE RCTBridge *bridge = [[RCTBridge alloc] initWithBundleURL:nil moduleProvider:^{ return @[loader, imageLoader]; } launchOptions:nil]; |
| 52 | + |
| 53 | + RCTImageLoaderCancellationBlock cancelBlock = [imageLoader loadImageWithTag:@"http://facebook.github.io/react/img/logo_og.png" size:CGSizeMake(100, 100) scale:1.0 resizeMode:UIViewContentModeScaleAspectFit progressBlock:^(int64_t progress, int64_t total) { |
| 54 | + XCTAssertEqual(progress, 1); |
| 55 | + XCTAssertEqual(total, 1); |
| 56 | + } completionBlock:^(NSError *loadError, id loadedImage) { |
| 57 | + XCTAssertEqualObjects(loadedImage, image); |
| 58 | + XCTAssertNil(loadError); |
| 59 | + }]; |
| 60 | + XCTAssertNil(cancelBlock); |
| 61 | +} |
| 62 | + |
| 63 | +- (void)testImageLoaderUsesImageURLLoaderWithHighestPriority |
| 64 | +{ |
| 65 | + UIImage *image = [UIImage new]; |
| 66 | + |
| 67 | + id<RCTImageURLLoader> loader1 = [[RCTImageLoaderTestsURLLoader1 alloc] initWithPriority:1.0 canLoadImageURLHandler:^BOOL(__unused NSURL *requestURL) { |
| 68 | + return YES; |
| 69 | + } loadImageURLHandler:^RCTImageLoaderCancellationBlock(__unused NSURL *imageURL, __unused CGSize size, __unused CGFloat scale, __unused UIViewContentMode resizeMode, RCTImageLoaderProgressBlock progressHandler, RCTImageLoaderCompletionBlock completionHandler) { |
| 70 | + progressHandler(1, 1); |
| 71 | + completionHandler(nil, image); |
| 72 | + return nil; |
| 73 | + }]; |
| 74 | + |
| 75 | + id<RCTImageURLLoader> loader2 = [[RCTImageLoaderTestsURLLoader2 alloc] initWithPriority:0.5 canLoadImageURLHandler:^BOOL(__unused NSURL *requestURL) { |
| 76 | + return YES; |
| 77 | + } loadImageURLHandler:^RCTImageLoaderCancellationBlock(__unused NSURL *imageURL, __unused CGSize size, __unused CGFloat scale, __unused UIViewContentMode resizeMode, __unused RCTImageLoaderProgressBlock progressHandler, __unused RCTImageLoaderCompletionBlock completionHandler) { |
| 78 | + XCTFail(@"Should not have used loader2"); |
| 79 | + return nil; |
| 80 | + }]; |
| 81 | + |
| 82 | + RCTImageLoader *imageLoader = [RCTImageLoader new]; |
| 83 | + NS_VALID_UNTIL_END_OF_SCOPE RCTBridge *bridge = [[RCTBridge alloc] initWithBundleURL:nil moduleProvider:^{ return @[loader1, loader2, imageLoader]; } launchOptions:nil]; |
| 84 | + |
| 85 | + RCTImageLoaderCancellationBlock cancelBlock = [imageLoader loadImageWithTag:@"http://facebook.github.io/react/img/logo_og.png" size:CGSizeMake(100, 100) scale:1.0 resizeMode:UIViewContentModeScaleAspectFit progressBlock:^(int64_t progress, int64_t total) { |
| 86 | + XCTAssertEqual(progress, 1); |
| 87 | + XCTAssertEqual(total, 1); |
| 88 | + } completionBlock:^(NSError *loadError, id loadedImage) { |
| 89 | + XCTAssertEqualObjects(loadedImage, image); |
| 90 | + XCTAssertNil(loadError); |
| 91 | + }]; |
| 92 | + XCTAssertNil(cancelBlock); |
| 93 | +} |
| 94 | + |
| 95 | +- (void)testImageDecoding |
| 96 | +{ |
| 97 | + NSData *data = [NSData dataWithBytesNoCopy:blackGIF length:sizeof(blackGIF) freeWhenDone:NO]; |
| 98 | + UIImage *image = [[UIImage alloc] initWithData:data]; |
| 99 | + |
| 100 | + id<RCTImageDecoder> decoder = [[RCTImageLoaderTestsDecoder1 alloc] initWithPriority:1.0 canDecodeImageDataHandler:^BOOL(__unused NSData *imageData) { |
| 101 | + return YES; |
| 102 | + } decodeImageDataHandler:^RCTImageLoaderCancellationBlock(NSData *imageData, __unused CGSize size, __unused CGFloat scale, __unused UIViewContentMode resizeMode, RCTImageLoaderCompletionBlock completionHandler) { |
| 103 | + XCTAssertEqualObjects(imageData, data); |
| 104 | + completionHandler(nil, image); |
| 105 | + return nil; |
| 106 | + }]; |
| 107 | + |
| 108 | + RCTImageLoader *imageLoader = [RCTImageLoader new]; |
| 109 | + NS_VALID_UNTIL_END_OF_SCOPE RCTBridge *bridge = [[RCTBridge alloc] initWithBundleURL:nil moduleProvider:^{ return @[decoder, imageLoader]; } launchOptions:nil]; |
| 110 | + |
| 111 | + RCTImageLoaderCancellationBlock cancelBlock = [imageLoader decodeImageData:data size:CGSizeMake(1, 1) scale:1.0 resizeMode:UIViewContentModeScaleToFill completionBlock:^(NSError *decodeError, id decodedImage) { |
| 112 | + XCTAssertEqualObjects(decodedImage, image); |
| 113 | + XCTAssertNil(decodeError); |
| 114 | + }]; |
| 115 | + XCTAssertNil(cancelBlock); |
| 116 | +} |
| 117 | + |
| 118 | +- (void)testImageLoaderUsesImageDecoderWithHighestPriority |
| 119 | +{ |
| 120 | + NSData *data = [NSData dataWithBytesNoCopy:blackGIF length:sizeof(blackGIF) freeWhenDone:NO]; |
| 121 | + UIImage *image = [[UIImage alloc] initWithData:data]; |
| 122 | + |
| 123 | + id<RCTImageDecoder> decoder1 = [[RCTImageLoaderTestsDecoder1 alloc] initWithPriority:1.0 canDecodeImageDataHandler:^BOOL(__unused NSData *imageData) { |
| 124 | + return YES; |
| 125 | + } decodeImageDataHandler:^RCTImageLoaderCancellationBlock(NSData *imageData, __unused CGSize size, __unused CGFloat scale, __unused UIViewContentMode resizeMode, RCTImageLoaderCompletionBlock completionHandler) { |
| 126 | + XCTAssertEqualObjects(imageData, data); |
| 127 | + completionHandler(nil, image); |
| 128 | + return nil; |
| 129 | + }]; |
| 130 | + |
| 131 | + id<RCTImageDecoder> decoder2 = [[RCTImageLoaderTestsDecoder2 alloc] initWithPriority:0.5 canDecodeImageDataHandler:^BOOL(__unused NSData *imageData) { |
| 132 | + return YES; |
| 133 | + } decodeImageDataHandler:^RCTImageLoaderCancellationBlock(__unused NSData *imageData, __unused CGSize size, __unused CGFloat scale, __unused UIViewContentMode resizeMode, __unused RCTImageLoaderCompletionBlock completionHandler) { |
| 134 | + XCTFail(@"Should not have used decoder2"); |
| 135 | + return nil; |
| 136 | + }]; |
| 137 | + |
| 138 | + RCTImageLoader *imageLoader = [RCTImageLoader new]; |
| 139 | + NS_VALID_UNTIL_END_OF_SCOPE RCTBridge *bridge = [[RCTBridge alloc] initWithBundleURL:nil moduleProvider:^{ return @[decoder1, decoder2, imageLoader]; } launchOptions:nil]; |
| 140 | + |
| 141 | + RCTImageLoaderCancellationBlock cancelBlock = [imageLoader decodeImageData:data size:CGSizeMake(1, 1) scale:1.0 resizeMode:UIViewContentModeScaleToFill completionBlock:^(NSError *decodeError, id decodedImage) { |
| 142 | + XCTAssertEqualObjects(decodedImage, image); |
| 143 | + XCTAssertNil(decodeError); |
| 144 | + }]; |
| 145 | + XCTAssertNil(cancelBlock); |
| 146 | +} |
| 147 | + |
| 148 | +@end |
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