36 lines
1.4 KiB
Swift
36 lines
1.4 KiB
Swift
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import XCTest
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@testable import ClipBored
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final class DiagnosticsServiceTests: XCTestCase {
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func testCountersCanBeIncrementedAndReset() {
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let diagnostics = DiagnosticsService.shared
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diagnostics.reset()
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diagnostics.incrementMonitorTick()
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diagnostics.incrementPasteboardChange()
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diagnostics.incrementExtractionAttempt()
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diagnostics.incrementDatabaseMutation()
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diagnostics.incrementCachePurge()
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// The counters use a serial async queue for low overhead; sync through reset's queue by reading a snapshot.
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let snapshot = waitForSnapshot { diagnostics.currentSnapshot() }
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XCTAssertEqual(snapshot.monitorTicks, 1)
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XCTAssertEqual(snapshot.pasteboardChanges, 1)
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XCTAssertEqual(snapshot.extractionAttempts, 1)
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XCTAssertEqual(snapshot.databaseMutations, 1)
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XCTAssertEqual(snapshot.cachePurges, 1)
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diagnostics.reset()
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XCTAssertEqual(diagnostics.currentSnapshot(), .init(monitorTicks: 0, pasteboardChanges: 0, extractionAttempts: 0, databaseMutations: 0, cachePurges: 0))
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}
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private func waitForSnapshot(_ snapshot: @escaping () -> DiagnosticsService.Snapshot) -> DiagnosticsService.Snapshot {
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let expectation = expectation(description: "diagnostics queue")
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DispatchQueue.global().asyncAfter(deadline: .now() + 0.05) {
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expectation.fulfill()
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}
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wait(for: [expectation], timeout: 1)
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return snapshot()
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}
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}
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