Framework/ROADWebService/ROADWebserviceTest/RFWebServiceCacheMigrationTest.m

//
//  NSArray+RFEmptyArrayChecks.h
//  ROADCore
//
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#import <XCTest/XCTest.h>
#import <CoreData/CoreData.h>

#import "RFWebServiceCacheContext.h"

@interface RFWebServiceCacheContext(PrivateForTests)
+ (NSURL*)persistentStoreURL;
@end

@interface RFWebServiceCacheMigrationTest : XCTestCase
@end

@implementation RFWebServiceCacheMigrationTest

- (void)setUp {
    NSBundle* bundle = [NSBundle bundleForClass:[self class]];
    
    NSURL* resourceDBURL = [bundle URLForResource:@"RFWebServiceCache" withExtension:@"coredata"];
    NSURL* persistentStoreURL = [RFWebServiceCacheContext persistentStoreURL];
    
    NSError* error;
    if ([[NSFileManager defaultManager] fileExistsAtPath:persistentStoreURL.path]) {
        [[NSFileManager defaultManager] removeItemAtURL:persistentStoreURL error:&error];
    }
    
    [[NSFileManager defaultManager] copyItemAtURL:resourceDBURL toURL:persistentStoreURL error:&error];
}

- (void)tearDown {
}

- (void)testSmokeOldBase {
    
    NSError* error;
    NSBundle* bundle = [NSBundle bundleForClass:[self class]];
    
    NSURL* momdURL = [bundle URLForResource:@"RFWebServiceCachingModel" withExtension:@"momd"];
    NSString* momPath = [bundle pathForResource:@"RFWebServiceCachingModel_v3" ofType:@"mom" inDirectory:momdURL.lastPathComponent];
    
    NSURL* persistentStoreURL = [RFWebServiceCacheContext persistentStoreURL];
    
    NSManagedObjectModel* managedObjectModel = [[NSManagedObjectModel alloc] initWithContentsOfURL:[NSURL fileURLWithPath:momPath]];
    
    NSPersistentStoreCoordinator* sourceCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel:managedObjectModel];
    
    [sourceCoordinator addPersistentStoreWithType:NSSQLiteStoreType
                                         configuration:nil
                                                   URL:persistentStoreURL
                                               options:nil
                                                 error:&error];
    
    XCTAssertNotNil(sourceCoordinator, @"V3 cache database has not been opened.");
}

- (void)testMigration {

    RFWebServiceCacheContext* context = [[RFWebServiceCacheContext alloc] init];
    NSPersistentStoreCoordinator* coordinator = context.persisitentStoreCoordinator;
    
    XCTAssertTrue(coordinator.persistentStores.count == 1, @"Migration was unsuccessful.");
}

@end