81 lines
3.5 KiB
Swift
81 lines
3.5 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift Metrics API open source project
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//
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// Copyright (c) 2018-2019 Apple Inc. and the Swift Metrics API project authors
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// Licensed under Apache License v2.0
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//
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// See LICENSE.txt for license information
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// See CONTRIBUTORS.txt for the list of Swift Metrics API project authors
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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//===----------------------------------------------------------------------===//
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@testable import CoreMetrics
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@testable import Metrics
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import XCTest
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class MetricsExtensionsTests: XCTestCase {
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func testTimerBlock() throws {
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// bootstrap with our test metrics
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let metrics = TestMetrics()
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MetricsSystem.bootstrapInternal(metrics)
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// run the test
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let name = "timer-\(NSUUID().uuidString)"
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let delay = 0.05
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Timer.measure(label: name) {
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Thread.sleep(forTimeInterval: delay)
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}
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let timer = metrics.timers[name] as! TestTimer
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XCTAssertEqual(1, timer.values.count, "expected number of entries to match")
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XCTAssertGreaterThan(timer.values[0].1, Int64(delay * 1_000_000_000), "expected delay to match")
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}
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func testTimerWithTimeInterval() throws {
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// bootstrap with our test metrics
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let metrics = TestMetrics()
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MetricsSystem.bootstrapInternal(metrics)
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// run the test
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let timer = Timer(label: "test-timer")
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let testTimer = timer.handler as! TestTimer
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let timeInterval = TimeInterval(Double.random(in: 1 ... 500))
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timer.record(timeInterval)
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XCTAssertEqual(1, testTimer.values.count, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[0].1, Int64(timeInterval * 1_000_000_000), "expected value to match")
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}
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func testTimerWithDispatchTime() throws {
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// bootstrap with our test metrics
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let metrics = TestMetrics()
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MetricsSystem.bootstrapInternal(metrics)
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// run the test
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let timer = Timer(label: "test-timer")
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let testTimer = timer.handler as! TestTimer
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// nano
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let nano = DispatchTimeInterval.nanoseconds(Int.random(in: 1 ... 500))
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timer.record(nano)
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XCTAssertEqual(testTimer.values.count, 1, "expected number of entries to match")
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XCTAssertEqual(.nanoseconds(Int(testTimer.values[0].1)), nano, "expected value to match")
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// micro
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let micro = DispatchTimeInterval.microseconds(Int.random(in: 1 ... 500))
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timer.record(micro)
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XCTAssertEqual(testTimer.values.count, 2, "expected number of entries to match")
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XCTAssertEqual(.nanoseconds(Int(testTimer.values[1].1)), micro, "expected value to match")
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// milli
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let milli = DispatchTimeInterval.milliseconds(Int.random(in: 1 ... 500))
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timer.record(milli)
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XCTAssertEqual(testTimer.values.count, 3, "expected number of entries to match")
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XCTAssertEqual(.nanoseconds(Int(testTimer.values[2].1)), milli, "expected value to match")
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// seconds
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let sec = DispatchTimeInterval.seconds(Int.random(in: 1 ... 500))
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timer.record(sec)
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XCTAssertEqual(testTimer.values.count, 4, "expected number of entries to match")
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XCTAssertEqual(.nanoseconds(Int(testTimer.values[3].1)), sec, "expected value to match")
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// never
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timer.record(DispatchTimeInterval.never)
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XCTAssertEqual(testTimer.values.count, 5, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[4].1, 0, "expected value to match")
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}
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}
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