d207a39d09
We want to perform the observation setup as soon as possible to avoid deadlocking, especially for test scenario where most of the work is done on main thread. BUG=webrtc:6634 Review-Url: https://codereview.webrtc.org/3012913002 Cr-Commit-Position: refs/heads/master@{#19771}
109 lines
3.7 KiB
Plaintext
109 lines
3.7 KiB
Plaintext
/*
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* Copyright 2017 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#import <UIKit/UIKit.h>
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#include "webrtc/test/ios/test_support.h"
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#import "webrtc/sdk/objc/Framework/Classes/Common/RTCUIApplicationStatusObserver.h"
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// Springboard will kill any iOS app that fails to check in after launch within
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// a given time. Starting a UIApplication before invoking TestSuite::Run
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// prevents this from happening.
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// InitIOSRunHook saves the TestSuite and argc/argv, then invoking
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// RunTestsFromIOSApp calls UIApplicationMain(), providing an application
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// delegate class: WebRtcUnitTestDelegate. The delegate implements
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// application:didFinishLaunchingWithOptions: to invoke the TestSuite's Run
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// method.
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// Since the executable isn't likely to be a real iOS UI, the delegate puts up a
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// window displaying the app name. If a bunch of apps using MainHook are being
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// run in a row, this provides an indication of which one is currently running.
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static int (*g_test_suite)(void) = NULL;
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static int g_argc;
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static char **g_argv;
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@interface UIApplication (Testing)
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- (void)_terminateWithStatus:(int)status;
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@end
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@interface WebRtcUnitTestDelegate : NSObject {
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UIWindow *_window;
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}
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- (void)runTests;
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@end
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@implementation WebRtcUnitTestDelegate
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- (BOOL)application:(UIApplication *)application
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didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
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CGRect bounds = [[UIScreen mainScreen] bounds];
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_window = [[UIWindow alloc] initWithFrame:bounds];
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[_window setBackgroundColor:[UIColor whiteColor]];
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[_window makeKeyAndVisible];
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// Add a label with the app name.
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UILabel *label = [[UILabel alloc] initWithFrame:bounds];
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label.text = [[NSProcessInfo processInfo] processName];
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label.textAlignment = NSTextAlignmentCenter;
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[_window addSubview:label];
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// An NSInternalInconsistencyException is thrown if the app doesn't have a
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// root view controller. Set an empty one here.
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[_window setRootViewController:[[UIViewController alloc] init]];
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// We want to call `RTCUIApplicationStatusObserver sharedInstance` as early as
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// possible in the application lifecycle to set observation properly.
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__unused RTCUIApplicationStatusObserver *observer =
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[RTCUIApplicationStatusObserver sharedInstance];
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// Queue up the test run.
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[self performSelector:@selector(runTests) withObject:nil afterDelay:0.1];
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return YES;
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}
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- (void)runTests {
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int exitStatus = g_test_suite();
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// If a test app is too fast, it will exit before Instruments has has a
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// a chance to initialize and no test results will be seen.
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// TODO(crbug.com/137010): Figure out how much time is actually needed, and
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// sleep only to make sure that much time has elapsed since launch.
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[NSThread sleepUntilDate:[NSDate dateWithTimeIntervalSinceNow:2.0]];
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// Use the hidden selector to try and cleanly take down the app (otherwise
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// things can think the app crashed even on a zero exit status).
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UIApplication *application = [UIApplication sharedApplication];
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[application _terminateWithStatus:exitStatus];
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exit(exitStatus);
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}
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@end
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namespace rtc {
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namespace test {
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void InitTestSuite(int (*test_suite)(void), int argc, char *argv[]) {
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g_test_suite = test_suite;
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g_argc = argc;
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g_argv = argv;
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}
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void RunTestsFromIOSApp() {
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@autoreleasepool {
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exit(UIApplicationMain(g_argc, g_argv, nil, @"WebRtcUnitTestDelegate"));
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}
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}
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} // namespace test
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} // namespace rtc
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