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