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KeyValueCacheTests.m
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KeyValueCacheTests.m
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/**
* Copyright (c) 2015-present, Parse, LLC.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import <OCMock/OCMock.h>
#import "PFKeyValueCache_Private.h"
#import "PFMacros.h"
#import "PFTestCase.h"
#import "TestCache.h"
#import "TestFileManager.h"
@interface KeyValueCacheTests : PFTestCase
@end
@implementation KeyValueCacheTests
///--------------------------------------
#pragma mark - Helpers
///--------------------------------------
- (NSString *)sampleDirectoryPath {
return [NSTemporaryDirectory() stringByAppendingPathComponent:@"KeyValueCacheDir"];
}
- (NSURL *)sampleDirectoryURL {
return [NSURL URLWithString:[self sampleDirectoryPath]];
}
///--------------------------------------
#pragma mark - XCTestCase
///--------------------------------------
- (void)setUp {
[super setUp];
}
///--------------------------------------
#pragma mark - Tests
///--------------------------------------
- (void)testConstructors {
PFKeyValueCache *cache = [[PFKeyValueCache alloc] initWithCacheDirectoryPath:[self sampleDirectoryPath]];
XCTAssertNotNil(cache);
XCTAssertEqualObjects(cache.fileManager, [NSFileManager defaultManager]);
XCTAssertNotNil(cache.memoryCache);
XCTAssertEqualObjects(cache.cacheDirectoryPath, [self sampleDirectoryPath]);
XCTAssertEqual(cache.maxDiskCacheBytes, 1024 * 1024 * 10);
XCTAssertEqual(cache.maxDiskCacheRecords, 1000);
XCTAssertEqual(cache.maxMemoryCacheBytesPerRecord, 1024 * 1024);
id mockedFileManager = [OCMockObject partialMockForObject:[TestFileManager fileManager]];
OCMExpect([mockedFileManager createDirectoryAtURL:OCMOCK_ANY withIntermediateDirectories:YES attributes:nil error:NULL]);
NSCache *mockedCache = [TestCache cache];
cache = [[PFKeyValueCache alloc] initWithCacheDirectoryURL:[self sampleDirectoryURL]
fileManager:mockedFileManager
memoryCache:mockedCache];
XCTAssertNotNil(cache);
XCTAssertEqualObjects(mockedFileManager, cache.fileManager);
XCTAssertEqualObjects(mockedCache, cache.memoryCache);
XCTAssertEqualObjects(cache.cacheDirectoryPath, [self sampleDirectoryPath]);
XCTAssertEqual(cache.maxDiskCacheBytes, 1024 * 1024 * 10);
XCTAssertEqual(cache.maxDiskCacheRecords, 1000);
XCTAssertEqual(cache.maxMemoryCacheBytesPerRecord, 1024 * 1024);
}
- (void)testBasicMemoryCaching {
PFKeyValueCache *cache = [[PFKeyValueCache alloc] initWithCacheDirectoryURL:nil
fileManager:nil
memoryCache:[TestCache cache]];
[cache setObject:@"value" forKey:@"key1"];
[cache setObject:@"value" forKey:@"key2"];
XCTAssertEqualObjects([cache objectForKey:@"key1" maxAge:INFINITY], @"value");
XCTAssertEqualObjects([cache objectForKey:@"key2" maxAge:INFINITY], @"value");
[cache removeObjectForKey:@"key1"];
XCTAssertEqualObjects([cache objectForKey:@"key1" maxAge:INFINITY], nil);
XCTAssertEqualObjects([cache objectForKey:@"key2" maxAge:INFINITY], @"value");
}
- (void)testBasicDiskCaching {
NSFileManager *mockedFileManager = [TestFileManager fileManager];
PFKeyValueCache *cache = [[PFKeyValueCache alloc] initWithCacheDirectoryURL:[self sampleDirectoryURL]
fileManager:mockedFileManager
memoryCache:nil];
[cache setObject:@"value" forKey:@"key1"];
[cache setObject:@"value" forKey:@"key2"];
XCTAssertEqualObjects([cache objectForKey:@"key1" maxAge:INFINITY], @"value");
XCTAssertEqualObjects([cache objectForKey:@"key2" maxAge:INFINITY], @"value");
[cache removeObjectForKey:@"key1"];
XCTAssertEqualObjects([cache objectForKey:@"key1" maxAge:INFINITY], nil);
XCTAssertEqualObjects([cache objectForKey:@"key2" maxAge:INFINITY], @"value");
[cache removeAllObjects];
}
- (void)testMemoryCacheOldEntryEviction {
PFKeyValueCache *cache = [[PFKeyValueCache alloc] initWithCacheDirectoryURL:nil
fileManager:nil
memoryCache:[TestCache cache]];
[cache setObject:@"value" forKey:@"key1"];
XCTAssertNil([cache objectForKey:@"key1" maxAge:0]);
[cache waitForOutstandingOperations];
}
- (void)testDiskCacheOldEntryEviction {
NSFileManager *mockedFileManager = [TestFileManager fileManager];
PFKeyValueCache *cache = [[PFKeyValueCache alloc] initWithCacheDirectoryURL:[self sampleDirectoryURL]
fileManager:mockedFileManager
memoryCache:nil];
[cache setObject:@"value" forKey:@"key1"];
XCTAssertNil([cache objectForKey:@"key1" maxAge:0]);
[cache waitForOutstandingOperations];
}
- (void)testMaxFileCompaction {
NSCache *mockedCache = [TestCache cache];
NSFileManager *mockedFileManager = [TestFileManager fileManager];
PFKeyValueCache *cache = [[PFKeyValueCache alloc] initWithCacheDirectoryURL:[self sampleDirectoryURL]
fileManager:mockedFileManager
memoryCache:mockedCache];
cache.maxDiskCacheRecords = 1;
[cache setObject:@"value" forKey:@"key1"];
[cache setObject:@"value" forKey:@"key2"];
[cache waitForOutstandingOperations];
XCTAssertNotNil([cache objectForKey:@"key1" maxAge:INFINITY]);
XCTAssertNotNil([cache objectForKey:@"key2" maxAge:INFINITY]);
[mockedCache removeAllObjects];
XCTAssertNil([cache objectForKey:@"key1" maxAge:INFINITY]);
XCTAssertNotNil([cache objectForKey:@"key2" maxAge:INFINITY]);
[cache waitForOutstandingOperations];
}
- (void)testMaxSizeCompaction {
NSCache *mockedCache = [TestCache cache];
NSFileManager *mockedFileManager = [TestFileManager fileManager];
PFKeyValueCache *cache = [[PFKeyValueCache alloc] initWithCacheDirectoryURL:[self sampleDirectoryURL]
fileManager:mockedFileManager
memoryCache:mockedCache];
cache.maxDiskCacheBytes = 5;
[cache setObject:@"value" forKey:@"key1"];
[cache setObject:@"value" forKey:@"key2"];
XCTAssertNotNil([cache objectForKey:@"key1" maxAge:INFINITY]);
XCTAssertNotNil([cache objectForKey:@"key2" maxAge:INFINITY]);
[mockedCache removeAllObjects];
XCTAssertNil([cache objectForKey:@"key1" maxAge:INFINITY]);
XCTAssertNotNil([cache objectForKey:@"key2" maxAge:INFINITY]);
[cache waitForOutstandingOperations];
}
@end