react-native/Libraries/RCTTest/RCTTestRunner.m

112 lines
4.3 KiB
Objective-C

/**
* Copyright (c) 2015-present, Facebook, Inc.
* 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 "RCTTestRunner.h"
#import "FBSnapshotTestController.h"
#import "RCTRedBox.h"
#import "RCTRootView.h"
#import "RCTTestModule.h"
#import "RCTUtils.h"
#define TIMEOUT_SECONDS 240
@interface RCTRootView (Testing)
- (instancetype)_initWithBundleURL:(NSURL *)bundleURL
moduleName:(NSString *)moduleName
launchOptions:(NSDictionary *)launchOptions
moduleProvider:(RCTBridgeModuleProviderBlock)moduleProvider;
@end
@implementation RCTTestRunner
{
FBSnapshotTestController *_snapshotController;
}
- (instancetype)initWithApp:(NSString *)app referenceDir:(NSString *)referenceDir
{
if ((self = [super init])) {
NSString *sanitizedAppName = [app stringByReplacingOccurrencesOfString:@"/" withString:@"-"];
sanitizedAppName = [sanitizedAppName stringByReplacingOccurrencesOfString:@"\\" withString:@"-"];
_snapshotController = [[FBSnapshotTestController alloc] initWithTestName:sanitizedAppName];
_snapshotController.referenceImagesDirectory = referenceDir;
_script = [NSString stringWithFormat:@"http://localhost:8081/%@.includeRequire.runModule.bundle?dev=true", app];
}
return self;
}
- (void)setRecordMode:(BOOL)recordMode
{
_snapshotController.recordMode = recordMode;
}
- (BOOL)recordMode
{
return _snapshotController.recordMode;
}
- (void)runTest:(SEL)test module:(NSString *)moduleName
{
[self runTest:test module:moduleName initialProps:nil expectErrorBlock:nil];
}
- (void)runTest:(SEL)test module:(NSString *)moduleName initialProps:(NSDictionary *)initialProps expectErrorRegex:(NSRegularExpression *)errorRegex
{
[self runTest:test module:moduleName initialProps:initialProps expectErrorBlock:^BOOL(NSString *error){
return [errorRegex numberOfMatchesInString:error options:0 range:NSMakeRange(0, [error length])] > 0;
}];
}
- (void)runTest:(SEL)test module:(NSString *)moduleName initialProps:(NSDictionary *)initialProps expectErrorBlock:(BOOL(^)(NSString *error))expectErrorBlock
{
UIViewController *vc = [[[[UIApplication sharedApplication] delegate] window] rootViewController];
if ([vc.view isKindOfClass:[RCTRootView class]]) {
[(RCTRootView *)vc.view invalidate]; // Make sure the normal app view doesn't interfere
}
vc.view = [[UIView alloc] init];
RCTTestModule *testModule = [[RCTTestModule alloc] initWithSnapshotController:_snapshotController view:nil];
testModule.testSelector = test;
RCTRootView *rootView = [[RCTRootView alloc] _initWithBundleURL:[NSURL URLWithString:_script]
moduleName:moduleName
launchOptions:nil
moduleProvider:^{
return @[testModule];
}];
[testModule setValue:rootView forKey:@"_view"];
rootView.frame = CGRectMake(0, 0, 320, 2000);
[vc.view addSubview:rootView]; // Add as subview so it doesn't get resized
rootView.initialProperties = initialProps;
NSDate *date = [NSDate dateWithTimeIntervalSinceNow:TIMEOUT_SECONDS];
NSString *error = [[RCTRedBox sharedInstance] currentErrorMessage];
while ([date timeIntervalSinceNow] > 0 && ![testModule isDone] && error == nil) {
[[NSRunLoop mainRunLoop] runMode:NSDefaultRunLoopMode beforeDate:date];
[[NSRunLoop mainRunLoop] runMode:NSRunLoopCommonModes beforeDate:date];
error = [[RCTRedBox sharedInstance] currentErrorMessage];
}
[rootView invalidate];
[rootView removeFromSuperview];
RCTAssert(vc.view.subviews.count == 0, @"There shouldn't be any other views: %@", vc.view);
vc.view = nil;
[[RCTRedBox sharedInstance] dismiss];
if (expectErrorBlock) {
RCTAssert(expectErrorBlock(error), @"Expected an error but nothing matched.");
} else if (error) {
RCTAssert(error == nil, @"RedBox error: %@", error);
} else {
RCTAssert([testModule isDone], @"Test didn't finish within %d seconds", TIMEOUT_SECONDS);
}
}
@end