CKKSDispatchTests.m   [plain text]

/*
* Copyright (c) 2017 Apple Inc. All Rights Reserved.
*
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*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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#include <dispatch/dispatch.h>
#import <XCTest/XCTest.h>
#import "keychain/ckks/CKKSNearFutureScheduler.h"

@interface CKKSNearFutureSchedulerTests : XCTestCase

@end

@implementation CKKSNearFutureSchedulerTests

- (void)setUp {
[super setUp];
}

- (void)tearDown {
[super tearDown];
}

- (void)testOneShot {
XCTestExpectation *expectation = [self expectationWithDescription:@"FutureScheduler fired"];

CKKSNearFutureScheduler* scheduler = [[CKKSNearFutureScheduler alloc] initWithName: @"test" delay:50*NSEC_PER_MSEC keepProcessAlive:true block:^{
[expectation fulfill];
}];

[scheduler trigger];

[self waitForExpectationsWithTimeout:1 handler:nil];
}

- (void)testOneShotDelay {
XCTestExpectation *toofastexpectation = [self expectationWithDescription:@"FutureScheduler fired (too soon)"];
toofastexpectation.inverted = YES;

XCTestExpectation *expectation = [self expectationWithDescription:@"FutureScheduler fired"];

CKKSNearFutureScheduler* scheduler = [[CKKSNearFutureScheduler alloc] initWithName: @"test" delay: 200*NSEC_PER_MSEC keepProcessAlive:false block:^{
[toofastexpectation fulfill];
[expectation fulfill];
}];

[scheduler trigger];

// Make sure it waits at least 0.1 seconds
[self waitForExpectations: @[toofastexpectation] timeout:0.1];

// But finishes within 1.1s (total)
[self waitForExpectations: @[expectation] timeout:1];
}

- (void)testOneShotManyTrigger {
XCTestExpectation *toofastexpectation = [self expectationWithDescription:@"FutureScheduler fired (too soon)"];
toofastexpectation.inverted = YES;

XCTestExpectation *expectation = [self expectationWithDescription:@"FutureScheduler fired"];
expectation.assertForOverFulfill = YES;

CKKSNearFutureScheduler* scheduler = [[CKKSNearFutureScheduler alloc] initWithName: @"test" delay: 200*NSEC_PER_MSEC keepProcessAlive:true block:^{
[toofastexpectation fulfill];
[expectation fulfill];
}];

[scheduler trigger];
[scheduler trigger];
[scheduler trigger];
[scheduler trigger];
[scheduler trigger];
[scheduler trigger];
[scheduler trigger];
[scheduler trigger];

// Make sure it waits at least 0.1 seconds
[self waitForExpectations: @[toofastexpectation] timeout:0.1];

// But finishes within .6s (total)
[self waitForExpectations: @[expectation] timeout:0.5];

// Ensure we don't get called again in the next 0.3 s
XCTestExpectation* waitmore = [self expectationWithDescription:@"waiting"];
waitmore.inverted = YES;
[self waitForExpectations: @[waitmore] timeout: 0.3];
}

- (void)testMultiShot {
XCTestExpectation *first = [self expectationWithDescription:@"FutureScheduler fired (one)"];
first.assertForOverFulfill = NO;

XCTestExpectation *second = [self expectationWithDescription:@"FutureScheduler fired (two)"];
second.expectedFulfillmentCount = 2;
second.assertForOverFulfill = YES;

CKKSNearFutureScheduler* scheduler = [[CKKSNearFutureScheduler alloc] initWithName: @"test" delay: 100*NSEC_PER_MSEC keepProcessAlive:false block:^{
[first fulfill];
[second fulfill];
}];

[scheduler trigger];

[self waitForExpectations: @[first] timeout:0.2];

[scheduler trigger];
[scheduler trigger];
[scheduler trigger];

[self waitForExpectations: @[second] timeout:0.2];

XCTestExpectation* waitmore = [self expectationWithDescription:@"waiting"];
waitmore.inverted = YES;
[self waitForExpectations: @[waitmore] timeout: 0.2];
}

- (void)testMultiShotDelays {
XCTestExpectation *first = [self expectationWithDescription:@"FutureScheduler fired (one)"];
first.assertForOverFulfill = NO;

XCTestExpectation *longdelay = [self expectationWithDescription:@"FutureScheduler fired (long delay expectation)"];
longdelay.inverted = YES;
longdelay.expectedFulfillmentCount = 2;

XCTestExpectation *second = [self expectationWithDescription:@"FutureScheduler fired (two)"];
second.expectedFulfillmentCount = 2;
second.assertForOverFulfill = YES;

CKKSNearFutureScheduler* scheduler = [[CKKSNearFutureScheduler alloc] initWithName: @"test" initialDelay: 50*NSEC_PER_MSEC continuingDelay:300*NSEC_PER_MSEC keepProcessAlive:false block:^{
[first fulfill];
[longdelay fulfill];
[second fulfill];
}];

[scheduler trigger];

[self waitForExpectations: @[first] timeout:0.2];

[scheduler trigger];
[scheduler trigger];
[scheduler trigger];

// longdelay should NOT be fulfilled twice in the first 0.3 seconds
[self waitForExpectations: @[longdelay] timeout:0.2];

// But second should be fulfilled in the first 0.8 seconds
[self waitForExpectations: @[second] timeout:0.5];

XCTestExpectation* waitmore = [self expectationWithDescription:@"waiting"];
waitmore.inverted = YES;
[self waitForExpectations: @[waitmore] timeout: 0.2];
}

- (void)testCancel {
XCTestExpectation *cancelexpectation = [self expectationWithDescription:@"FutureScheduler fired (after cancel)"];
cancelexpectation.inverted = YES;

CKKSNearFutureScheduler* scheduler = [[CKKSNearFutureScheduler alloc] initWithName: @"test" delay: 100*NSEC_PER_MSEC keepProcessAlive:true block:^{
[cancelexpectation fulfill];
}];

[scheduler trigger];
[scheduler cancel];

// Make sure it does not fire in 0.5 s
[self waitForExpectations: @[cancelexpectation] timeout:0.2];
}

- (void)testDelayedNoShot {
XCTestExpectation *toofastexpectation = [self expectationWithDescription:@"FutureScheduler fired (too soon)"];
toofastexpectation.inverted = YES;

CKKSNearFutureScheduler* scheduler = [[CKKSNearFutureScheduler alloc] initWithName: @"test" delay: 10*NSEC_PER_MSEC keepProcessAlive:false block:^{
[toofastexpectation fulfill];
}];

// Tell the scheduler to wait, but don't trigger it. It shouldn't fire.
[scheduler waitUntil: 50*NSEC_PER_MSEC];

[self waitForExpectations: @[toofastexpectation] timeout:0.1];
}

- (void)testDelayedOneShot {
XCTestExpectation *first = [self expectationWithDescription:@"FutureScheduler fired (one)"];
first.assertForOverFulfill = NO;

XCTestExpectation *toofastexpectation = [self expectationWithDescription:@"FutureScheduler fired (too soon)"];
toofastexpectation.inverted = YES;

CKKSNearFutureScheduler* scheduler = [[CKKSNearFutureScheduler alloc] initWithName: @"test" delay: 10*NSEC_PER_MSEC keepProcessAlive:false block:^{
[first fulfill];
[toofastexpectation fulfill];
}];

[scheduler waitUntil: 150*NSEC_PER_MSEC];
[scheduler trigger];

[self waitForExpectations: @[toofastexpectation] timeout:0.1];
[self waitForExpectations: @[first] timeout:0.2];
}

- (void)testDelayedMultiShot {
XCTestExpectation *first = [self expectationWithDescription:@"FutureScheduler fired (one)"];
first.assertForOverFulfill = NO;

XCTestExpectation *toofastexpectation = [self expectationWithDescription:@"FutureScheduler fired (too soon)"];
toofastexpectation.expectedFulfillmentCount = 2;
toofastexpectation.inverted = YES;

XCTestExpectation *second = [self expectationWithDescription:@"FutureScheduler fired (two)"];
second.expectedFulfillmentCount = 2;
second.assertForOverFulfill = YES;

CKKSNearFutureScheduler* scheduler = [[CKKSNearFutureScheduler alloc] initWithName: @"test" delay: 10*NSEC_PER_MSEC keepProcessAlive:false block:^{
[first fulfill];
[second fulfill];
[toofastexpectation fulfill];
}];

[scheduler trigger];
[self waitForExpectations: @[first] timeout:0.2];

[scheduler waitUntil: 150*NSEC_PER_MSEC];
[scheduler trigger];

[self waitForExpectations: @[toofastexpectation] timeout:0.1];
[self waitForExpectations: @[second] timeout:0.3];
}

@end