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chore: Add tests for SentryCrashContext #6373
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134 changes: 134 additions & 0 deletions
134
Tests/SentryTests/SentryCrash/SentryCrashMachineContextTests.m
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| #import <XCTest/XCTest.h> | ||
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| #import "SentryCrashMachineContext.h" | ||
| #import "SentryCrashMachineContext_Apple.h" | ||
| #import "TestThread.h" | ||
| #import <mach/mach.h> | ||
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| @interface SentryCrashMachineContextTests : XCTestCase | ||
| @end | ||
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| @implementation SentryCrashMachineContextTests | ||
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| - (void)testGetContextForThread_NonCrashedContext_DoesNotPopulateThreadList | ||
| { | ||
| // Create a test thread | ||
| NSObject *notificationObject = [[NSObject alloc] init]; | ||
| TestThread *thread = [[TestThread alloc] init]; | ||
| thread.notificationObject = notificationObject; | ||
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| XCTestExpectation *exp = [self expectationWithDescription:@"thread started"]; | ||
| [NSNotificationCenter.defaultCenter | ||
| addObserverForName:@"io.sentry.test.TestThread.main" | ||
| object:notificationObject | ||
| queue:nil | ||
| usingBlock:^(NSNotification *_Nonnull __unused notification) { | ||
| [NSNotificationCenter.defaultCenter | ||
| removeObserver:self | ||
| name:@"io.sentry.test.TestThread.main" | ||
| object:notificationObject]; | ||
| [exp fulfill]; | ||
| }]; | ||
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| [thread start]; | ||
| [self waitForExpectationsWithTimeout:1 handler:nil]; | ||
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| kern_return_t kr; | ||
| kr = thread_suspend(thread.thread); | ||
| XCTAssertTrue(kr == KERN_SUCCESS, @"Thread suspension failed"); | ||
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| // Get context for a non-crashed thread | ||
| SentryCrashMC_NEW_CONTEXT(machineContext); | ||
| bool result = sentrycrashmc_getContextForThread(thread.thread, machineContext, NO); | ||
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| XCTAssertTrue(result, @"Failed to get context for thread"); | ||
| XCTAssertFalse( | ||
| sentrycrashmc_isCrashedContext(machineContext), @"Should not be marked as crashed context"); | ||
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| // For non-crashed contexts, thread list should not be populated (will be 0) | ||
| int threadCount = sentrycrashmc_getThreadCount(machineContext); | ||
| XCTAssertEqual( | ||
| threadCount, 0, @"Thread count should be 0 for non-crashed context, got %d", threadCount); | ||
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| thread_resume(thread.thread); | ||
| XCTestExpectation *expectation = | ||
| [[XCTestExpectation alloc] initWithDescription:@"Wait for thread to cancel"]; | ||
| thread.endExpectation = expectation; | ||
| [thread cancel]; | ||
| [self waitForExpectations:@[ expectation ] timeout:1]; | ||
| } | ||
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| - (void)testGetContextForThread_WithManyThreads | ||
| { | ||
| NSInteger numberOfThreads = 10; | ||
| NSMutableArray<TestThread *> *threads = [NSMutableArray arrayWithCapacity:numberOfThreads]; | ||
| NSMutableArray<XCTestExpectation *> *expectations = | ||
| [NSMutableArray arrayWithCapacity:numberOfThreads]; | ||
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| for (int i = 0; i < numberOfThreads; i++) { | ||
| NSObject *notificationObject = [[NSObject alloc] init]; | ||
| TestThread *thread = [[TestThread alloc] init]; | ||
| thread.notificationObject = notificationObject; | ||
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| XCTestExpectation *exp = | ||
| [self expectationWithDescription:[NSString stringWithFormat:@"thread %d started", i]]; | ||
| [expectations addObject:exp]; | ||
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| [NSNotificationCenter.defaultCenter | ||
| addObserverForName:@"io.sentry.test.TestThread.main" | ||
| object:notificationObject | ||
| queue:nil | ||
| usingBlock:^(NSNotification *_Nonnull __unused notification) { | ||
| [NSNotificationCenter.defaultCenter | ||
| removeObserver:self | ||
| name:@"io.sentry.test.TestThread.main" | ||
| object:notificationObject]; | ||
| [exp fulfill]; | ||
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| }]; | ||
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| [threads addObject:thread]; | ||
| [thread start]; | ||
| } | ||
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| [self waitForExpectations:expectations timeout:2]; | ||
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| // Suspend the first thread and get its context | ||
| TestThread *firstThread = threads[0]; | ||
| kern_return_t kr = thread_suspend(firstThread.thread); | ||
| XCTAssertTrue(kr == KERN_SUCCESS, @"Thread suspension failed"); | ||
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| // Get context for the crashed thread | ||
| SentryCrashMC_NEW_CONTEXT(machineContext); | ||
| bool result = sentrycrashmc_getContextForThread(firstThread.thread, machineContext, YES); | ||
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| XCTAssertTrue(result, @"Failed to get context for thread"); | ||
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| // Verify that thread list includes all our test threads | ||
| int threadCount = sentrycrashmc_getThreadCount(machineContext); | ||
| XCTAssertTrue( | ||
| threadCount >= 10, @"Thread count should include all test threads, got %d", threadCount); | ||
| XCTAssertTrue(threadCount <= SENTRY_CRASH_MAX_THREADS, | ||
| @"Thread count should not exceed maximum of SENTRY_CRASH_MAX_THREADS, got %d", threadCount); | ||
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| // Verify that all our threads are in the list | ||
| for (TestThread *thread in threads) { | ||
| int threadIndex = sentrycrashmc_indexOfThread(machineContext, thread.thread); | ||
| XCTAssertTrue(threadIndex >= 0, @"Thread should be found in the list"); | ||
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| } | ||
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| // Clean up | ||
| thread_resume(firstThread.thread); | ||
| NSMutableArray<XCTestExpectation *> *finishExpectations = | ||
| [NSMutableArray arrayWithCapacity:threads.count]; | ||
| for (TestThread *thread in threads) { | ||
| thread.endExpectation = | ||
| [[XCTestExpectation alloc] initWithDescription:@"Wait for thread to cancel"]; | ||
| [finishExpectations addObject:thread.endExpectation]; | ||
| [thread cancel]; | ||
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| } | ||
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| // Wait for all threads to finish (up to 10 seconds) | ||
| [self waitForExpectations:finishExpectations timeout:10]; | ||
| } | ||
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| @end | ||
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