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Prefetcher tests

This commit is contained in:
Bogdan Poplauschi 2016-09-25 15:49:33 +03:00
parent ea0bd97d10
commit f48a133f1b
2 changed files with 75 additions and 0 deletions
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4
Tests/SDWebImage Tests.xcodeproj/project.pbxproj
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@ -13,6 +13,7 @@
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433BBBB91D7EF8260086B6E9 /* TestImage.png in Resources */ = {isa = PBXBuildFile; fileRef = 433BBBB81D7EF8260086B6E9 /* TestImage.png */; };
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DA248D59195472AA00390AB0 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = DA248D58195472AA00390AB0 /* Foundation.framework */; };
@ -30,6 +31,7 @@
433BBBB61D7EF8200086B6E9 /* TestImage.gif */ = {isa = PBXFileReference; lastKnownFileType = image.gif; path = TestImage.gif; sourceTree = "<group>"; };
433BBBB81D7EF8260086B6E9 /* TestImage.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = TestImage.png; sourceTree = "<group>"; };
433BBBBA1D7EFA8B0086B6E9 /* MonochromeTestImage.jpg */ = {isa = PBXFileReference; lastKnownFileType = image.jpeg; path = MonochromeTestImage.jpg; sourceTree = "<group>"; };
4369C1D01D97F80F007E863A /* SDWebImagePrefetcherTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SDWebImagePrefetcherTests.m; sourceTree = "<group>"; };
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@ -111,6 +113,7 @@
DA91BEBB19795BC9006F2536 /* UIImageMultiFormatTests.m */,
1E3C51E819B46E370092B5E6 /* SDWebImageDownloaderTests.m */,
433BBBB41D7EF5C00086B6E9 /* SDWebImageDecoderTests.m */,
4369C1D01D97F80F007E863A /* SDWebImagePrefetcherTests.m */,
);
path = Tests;
sourceTree = "<group>";
@ -242,6 +245,7 @@
buildActionMask = 2147483647;
files = (
1E3C51E919B46E370092B5E6 /* SDWebImageDownloaderTests.m in Sources */,
4369C1D11D97F80F007E863A /* SDWebImagePrefetcherTests.m in Sources */,
DA248D69195475D800390AB0 /* SDImageCacheTests.m in Sources */,
DA248D6B195476AC00390AB0 /* SDWebImageManagerTests.m in Sources */,
433BBBB51D7EF5C00086B6E9 /* SDWebImageDecoderTests.m in Sources */,

71
Tests/Tests/SDWebImagePrefetcherTests.m Normal file
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@ -0,0 +1,71 @@
/*
* This file is part of the SDWebImage package.
* (c) Olivier Poitrey <rs@dailymotion.com>
* (c) Matt Galloway
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
#define EXP_SHORTHAND // required by Expecta
#import <XCTest/XCTest.h>
#import <Expecta.h>
#import "SDWebImagePrefetcher.h"
@interface SDWebImagePrefetcherTests : XCTestCase
@end
@implementation SDWebImagePrefetcherTests
- (void)test01ThatSharedPrefetcherIsNotEqualToInitPrefetcher {
SDWebImagePrefetcher *prefetcher = [[SDWebImagePrefetcher alloc] init];
expect(prefetcher).toNot.equal([SDWebImagePrefetcher sharedImagePrefetcher]);
}
- (void)test02PrefetchMultipleImages {
XCTestExpectation *expectation = [self expectationWithDescription:@"Correct prefetch of multiple images"];
NSMutableArray *imageURLs = [NSMutableArray array];
for (int i=40; i<43; i++) {
NSString *imageURLString = [NSString stringWithFormat:@"https://s3.amazonaws.com/fast-image-cache/demo-images/FICDDemoImage%03d.jpg", i];
NSURL *imageURL = [NSURL URLWithString:imageURLString];
[imageURLs addObject:imageURL];
}
__block int numberOfPrefetched = 0;
[[SDWebImagePrefetcher sharedImagePrefetcher] prefetchURLs:imageURLs progress:^(NSUInteger noOfFinishedUrls, NSUInteger noOfTotalUrls) {
numberOfPrefetched += 1;
expect(numberOfPrefetched).to.equal(noOfFinishedUrls);
expect(noOfFinishedUrls).to.beLessThanOrEqualTo(noOfTotalUrls);
expect(noOfTotalUrls).to.equal(imageURLs.count);
} completed:^(NSUInteger noOfFinishedUrls, NSUInteger noOfSkippedUrls) {
expect(numberOfPrefetched).to.equal(noOfFinishedUrls);
expect(noOfFinishedUrls).to.equal(imageURLs.count);
expect(noOfSkippedUrls).to.equal(0);
[expectation fulfill];
}];
[self waitForExpectationsWithTimeout:kAsyncTestTimeout handler:nil];
}
- (void)test03PrefetchWithEmptyArrayWillCallTheCompletionWithAllZeros {
XCTestExpectation *expectation = [self expectationWithDescription:@"Prefetch with empty array"];
[[SDWebImagePrefetcher sharedImagePrefetcher] prefetchURLs:@[] progress:nil completed:^(NSUInteger noOfFinishedUrls, NSUInteger noOfSkippedUrls) {
expect(noOfFinishedUrls).to.equal(0);
expect(noOfSkippedUrls).to.equal(0);
[expectation fulfill];
}];
[self waitForExpectationsWithTimeout:kAsyncTestTimeout handler:nil];
}
// TODO: test the prefetcher delegate works
@end