840 lines
35 KiB
Swift
840 lines
35 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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import MetricsTestKit
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import XCTest
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@testable import CoreMetrics
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class MetricsTests: XCTestCase {
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func testCounters() 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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let group = DispatchGroup()
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let name = "counter-\(UUID().uuidString)"
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let counter = Counter(label: name)
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let testCounter = try metrics.expectCounter(counter)
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let total = Int.random(in: 500...1000)
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for _ in 0..<total {
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group.enter()
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DispatchQueue(label: "\(name)-queue").async {
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defer { group.leave() }
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counter.increment(by: Int.random(in: 0...1000))
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}
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}
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group.wait()
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XCTAssertEqual(testCounter.values.count, total, "expected number of entries to match")
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testCounter.reset()
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XCTAssertEqual(testCounter.values.count, 0, "expected number of entries to match")
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}
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func testCounterBlock() 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 = "counter-\(UUID().uuidString)"
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let value = Int.random(in: Int.min...Int.max)
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Counter(label: name).increment(by: value)
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let counter = try metrics.expectCounter(name)
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XCTAssertEqual(counter.values.count, 1, "expected number of entries to match")
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XCTAssertEqual(counter.values[0], Int64(value), "expected value to match")
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counter.reset()
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XCTAssertEqual(counter.values.count, 0, "expected number of entries to match")
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}
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func testDefaultFloatingPointCounter_ignoresNan() 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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let label = "\(#function)-fp-counter-\(UUID())"
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let fpCounter = FloatingPointCounter(label: label)
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let counter = try metrics.expectCounter(label)
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fpCounter.increment(by: Double.nan)
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fpCounter.increment(by: Double.signalingNaN)
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XCTAssertEqual(counter.values.count, 0, "expected nan values to be ignored")
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}
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func testDefaultFloatingPointCounter_ignoresInfinity() 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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let label = "\(#function)-fp-counter-\(UUID())"
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let fpCounter = FloatingPointCounter(label: label)
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let counter = try metrics.expectCounter(label)
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fpCounter.increment(by: Double.infinity)
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fpCounter.increment(by: -Double.infinity)
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XCTAssertEqual(counter.values.count, 0, "expected infinite values to be ignored")
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}
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func testDefaultFloatingPointCounter_ignoresNegativeValues() 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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let label = "\(#function)-fp-counter-\(UUID())"
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let fpCounter = FloatingPointCounter(label: label)
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let counter = try metrics.expectCounter(label)
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fpCounter.increment(by: -100)
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XCTAssertEqual(counter.values.count, 0, "expected negative values to be ignored")
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}
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func testDefaultFloatingPointCounter_ignoresZero() 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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let label = "\(#function)-fp-counter-\(UUID())"
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let fpCounter = FloatingPointCounter(label: label)
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let counter = try metrics.expectCounter(label)
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fpCounter.increment(by: 0)
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fpCounter.increment(by: -0)
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XCTAssertEqual(counter.values.count, 0, "expected zero values to be ignored")
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}
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func testDefaultFloatingPointCounter_ceilsExtremeValues() 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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let label = "\(#function)-fp-counter-\(UUID())"
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let fpCounter = FloatingPointCounter(label: label)
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let counter = try metrics.expectCounter(label)
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// Just larger than Int64
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fpCounter.increment(by: Double(sign: .plus, exponent: 63, significand: 1))
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// Much larger than Int64
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fpCounter.increment(by: Double.greatestFiniteMagnitude)
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let values = counter.values
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XCTAssertEqual(values.count, 2, "expected number of entries to match")
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XCTAssertEqual(values, [Int64.max, Int64.max], "expected extremely large values to be replaced with Int64.max")
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}
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func testDefaultFloatingPointCounter_accumulatesFloatingPointDecimalValues() 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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let label = "\(#function)-fp-counter-\(UUID())"
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let fpCounter = FloatingPointCounter(label: label)
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let rawFpCounter = fpCounter._handler as! AccumulatingRoundingFloatingPointCounter
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let counter = try metrics.expectCounter(label)
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// Increment by a small value (perfectly representable)
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fpCounter.increment(by: 0.75)
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XCTAssertEqual(counter.values.count, 0, "expected number of entries to match")
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// Increment by a small value that should grow the accumulated buffer past 1.0 (perfectly representable)
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fpCounter.increment(by: 1.5)
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var values = counter.values
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XCTAssertEqual(values.count, 1, "expected number of entries to match")
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XCTAssertEqual(values, [2], "expected entries to match")
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XCTAssertEqual(rawFpCounter.fraction, 0.25, "")
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// Increment by a large value that should leave a fraction in the accumulator
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// 1110506744053.76
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fpCounter.increment(by: Double(sign: .plus, exponent: 40, significand: 1.01))
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values = counter.values
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XCTAssertEqual(values.count, 2, "expected number of entries to match")
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XCTAssertEqual(values, [2, 1_110_506_744_054], "expected entries to match")
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XCTAssertEqual(rawFpCounter.fraction, 0.010009765625, "expected fractional accumulated value")
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}
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func testRecorders() 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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let group = DispatchGroup()
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let name = "recorder-\(UUID().uuidString)"
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let recorder = Recorder(label: name)
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let testRecorder = try metrics.expectRecorder(recorder)
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let total = Int.random(in: 500...1000)
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for _ in 0..<total {
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group.enter()
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DispatchQueue(label: "\(name)-queue").async {
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defer { group.leave() }
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recorder.record(Int.random(in: Int.min...Int.max))
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}
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}
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group.wait()
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XCTAssertEqual(testRecorder.values.count, total, "expected number of entries to match")
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}
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func testRecordersInt() 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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let recorder = Recorder(label: "test-recorder")
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let testRecorder = try metrics.expectRecorder(recorder)
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let values = (0...999).map { _ in Int32.random(in: Int32.min...Int32.max) }
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for i in 0..<values.count {
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recorder.record(values[i])
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}
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XCTAssertEqual(values.count, testRecorder.values.count, "expected number of entries to match")
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for i in 0..<values.count {
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XCTAssertEqual(Int32(testRecorder.values[i]), values[i], "expected value #\(i) to match.")
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}
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}
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func testRecordersFloat() 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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let recorder = Recorder(label: "test-recorder")
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let testRecorder = try metrics.expectRecorder(recorder)
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let values = (0...999).map { _ in Float.random(in: Float(Int32.min)...Float(Int32.max)) }
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for i in 0..<values.count {
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recorder.record(values[i])
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}
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XCTAssertEqual(values.count, testRecorder.values.count, "expected number of entries to match")
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for i in 0..<values.count {
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XCTAssertEqual(Float(testRecorder.values[i]), values[i], "expected value #\(i) to match.")
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}
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}
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func testRecorderBlock() 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 = "recorder-\(UUID().uuidString)"
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let value = Double.random(in: Double(Int.min)...Double(Int.max))
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Recorder(label: name).record(value)
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let recorder = try metrics.expectRecorder(name)
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XCTAssertEqual(recorder.values.count, 1, "expected number of entries to match")
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XCTAssertEqual(recorder.lastValue, value, "expected value to match")
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}
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func testTimers() 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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let group = DispatchGroup()
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let name = "timer-\(UUID().uuidString)"
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let timer = Timer(label: name)
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let testTimer = try metrics.expectTimer(timer)
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let total = Int.random(in: 500...1000)
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for _ in 0..<total {
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group.enter()
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DispatchQueue(label: "\(name)-queue").async {
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defer { group.leave() }
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timer.recordNanoseconds(Int64.random(in: Int64.min...Int64.max))
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}
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}
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group.wait()
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XCTAssertEqual(testTimer.values.count, total, "expected number of entries to match")
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}
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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-\(UUID().uuidString)"
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let value = Int64.random(in: Int64.min...Int64.max)
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Timer(label: name).recordNanoseconds(value)
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let timer = try metrics.expectTimer(name)
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XCTAssertEqual(timer.values.count, 1, "expected number of entries to match")
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XCTAssertEqual(timer.values[0], value, "expected value to match")
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}
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func testTimerVariants() 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 = try metrics.expectTimer(timer)
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// nano
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let nano = Int64.random(in: 0...5)
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timer.recordNanoseconds(nano)
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XCTAssertEqual(testTimer.values.count, 1, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[0], nano, "expected value to match")
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// micro
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let micro = Int64.random(in: 0...5)
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timer.recordMicroseconds(micro)
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XCTAssertEqual(testTimer.values.count, 2, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[1], micro * 1000, "expected value to match")
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// milli
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let milli = Int64.random(in: 0...5)
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timer.recordMilliseconds(milli)
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XCTAssertEqual(testTimer.values.count, 3, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[2], milli * 1_000_000, "expected value to match")
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// seconds
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let sec = Int64.random(in: 0...5)
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timer.recordSeconds(sec)
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XCTAssertEqual(testTimer.values.count, 4, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[3], sec * 1_000_000_000, "expected value to match")
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}
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func testTimerOverflow() 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 = try metrics.expectTimer(timer)
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// nano (integer)
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timer.recordNanoseconds(Int64.max)
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XCTAssertEqual(testTimer.values.count, 1, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[0], Int64.max, "expected value to match")
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// micro (integer)
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timer.recordMicroseconds(Int64.max)
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XCTAssertEqual(testTimer.values.count, 2, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[1], Int64.max, "expected value to match")
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// micro (double)
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timer.recordMicroseconds(Double(Int64.max) + 1)
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XCTAssertEqual(testTimer.values.count, 3, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[1], Int64.max, "expected value to match")
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// milli (integer)
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timer.recordMilliseconds(Int64.max)
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XCTAssertEqual(testTimer.values.count, 4, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[2], Int64.max, "expected value to match")
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// milli (double)
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timer.recordMilliseconds(Double(Int64.max) + 1)
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XCTAssertEqual(testTimer.values.count, 5, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[2], Int64.max, "expected value to match")
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// seconds (integer)
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timer.recordSeconds(Int64.max)
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XCTAssertEqual(testTimer.values.count, 6, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[3], Int64.max, "expected value to match")
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// seconds (double)
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timer.recordSeconds(Double(Int64.max) * 1)
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XCTAssertEqual(testTimer.values.count, 7, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[3], Int64.max, "expected value to match")
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}
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func testTimerHandlesUnsignedOverflow() 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 = try metrics.expectTimer(timer)
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// nano
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timer.recordNanoseconds(UInt64.max)
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XCTAssertEqual(testTimer.values.count, 1, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[0], Int64.max, "expected value to match")
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// micro
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timer.recordMicroseconds(UInt64.max)
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XCTAssertEqual(testTimer.values.count, 2, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[1], Int64.max, "expected value to match")
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// milli
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timer.recordMilliseconds(UInt64.max)
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XCTAssertEqual(testTimer.values.count, 3, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[2], Int64.max, "expected value to match")
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// seconds
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timer.recordSeconds(UInt64.max)
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XCTAssertEqual(testTimer.values.count, 4, "expected number of entries to match")
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XCTAssertEqual(testTimer.values[3], Int64.max, "expected value to match")
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}
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func testGauge() 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 = "gauge-\(UUID().uuidString)"
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let value = Double.random(in: -1000...1000)
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let gauge = Gauge(label: name)
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gauge.record(value)
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let recorder = try metrics.expectRecorder(gauge)
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XCTAssertEqual(recorder.values.count, 1, "expected number of entries to match")
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XCTAssertEqual(recorder.lastValue, value, "expected value to match")
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}
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func testGaugeBlock() 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 = "gauge-\(UUID().uuidString)"
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let value = Double.random(in: -1000...1000)
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Gauge(label: name).record(value)
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let recorder = try metrics.expectRecorder(name)
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XCTAssertEqual(recorder.values.count, 1, "expected number of entries to match")
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XCTAssertEqual(recorder.lastValue, value, "expected value to match")
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}
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func testMeter() 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 = "meter-\(UUID().uuidString)"
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let value = Double.random(in: -1000...1000)
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let meter = Meter(label: name)
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meter.set(value)
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let testMeter = try metrics.expectMeter(meter)
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XCTAssertEqual(testMeter.values.count, 1, "expected number of entries to match")
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XCTAssertEqual(testMeter.values[0], value, "expected value to match")
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}
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func testMeterBlock() 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 = "meter-\(UUID().uuidString)"
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let value = Double.random(in: -1000...1000)
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Meter(label: name).set(value)
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let testMeter = try metrics.expectMeter(name)
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XCTAssertEqual(testMeter.values.count, 1, "expected number of entries to match")
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XCTAssertEqual(testMeter.values[0], value, "expected value to match")
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}
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func testMeterInt() 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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let meter = Meter(label: name)
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let testMeter = try metrics.expectMeter(meter)
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let values = (0...999).map { _ in Int32.random(in: Int32.min...Int32.max) }
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for i in 0..<values.count {
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meter.set(values[i])
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}
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XCTAssertEqual(values.count, testMeter.values.count, "expected number of entries to match")
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for i in 0..<values.count {
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XCTAssertEqual(Int32(testMeter.values[i]), values[i], "expected value #\(i) to match.")
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}
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}
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func testMeterFloat() 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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let meter = Meter(label: name)
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let testMeter = try metrics.expectMeter(meter)
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let values = (0...999).map { _ in Float.random(in: Float(Int32.min)...Float(Int32.max)) }
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for i in 0..<values.count {
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meter.set(values[i])
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}
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XCTAssertEqual(values.count, testMeter.values.count, "expected number of entries to match")
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for i in 0..<values.count {
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XCTAssertEqual(Float(testMeter.values[i]), values[i], "expected value #\(i) to match.")
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}
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}
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func testMeterIncrement() 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 group = DispatchGroup()
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let name = "meter-\(UUID().uuidString)"
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let meter = Meter(label: name)
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let testMeter = try metrics.expectMeter(meter)
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let values = (500...1000).map { _ in Double.random(in: 0...Double(Int32.max)) }
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for i in 0..<values.count {
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group.enter()
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DispatchQueue(label: "\(name)-queue").async {
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defer { group.leave() }
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meter.increment(by: values[i])
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}
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}
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group.wait()
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XCTAssertEqual(testMeter.values.count, values.count, "expected number of entries to match")
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XCTAssertEqual(testMeter.values.last!, values.reduce(0.0, +), accuracy: 0.1, "expected total value to match")
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}
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func testMeterDecrement() throws {
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// bootstrap with our test metrics
|
|
let metrics = TestMetrics()
|
|
MetricsSystem.bootstrapInternal(metrics)
|
|
// run the test
|
|
let group = DispatchGroup()
|
|
let name = "meter-\(UUID().uuidString)"
|
|
let meter = Meter(label: name)
|
|
let testMeter = try metrics.expectMeter(meter)
|
|
|
|
let values = (500...1000).map { _ in Double.random(in: 0...Double(Int32.max)) }
|
|
for i in 0..<values.count {
|
|
group.enter()
|
|
DispatchQueue(label: "\(name)-queue").async {
|
|
defer { group.leave() }
|
|
meter.decrement(by: values[i])
|
|
}
|
|
}
|
|
group.wait()
|
|
XCTAssertEqual(testMeter.values.count, values.count, "expected number of entries to match")
|
|
XCTAssertEqual(testMeter.values.last!, values.reduce(0.0, -), accuracy: 0.1, "expected total value to match")
|
|
}
|
|
|
|
func testDefaultMeterIgnoresNan() throws {
|
|
// bootstrap with our test metrics
|
|
let metrics = TestMetrics()
|
|
MetricsSystem.bootstrapInternal(metrics)
|
|
// run the test
|
|
let name = "meter-\(UUID().uuidString)"
|
|
let meter = Meter(label: name)
|
|
let testMeter = try metrics.expectMeter(meter)
|
|
meter.increment(by: Double.nan)
|
|
meter.increment(by: Double.signalingNaN)
|
|
XCTAssertEqual(testMeter.values.count, 0, "expected nan values to be ignored")
|
|
}
|
|
|
|
func testDefaultMeterIgnoresInfinity() throws {
|
|
// bootstrap with our test metrics
|
|
let metrics = TestMetrics()
|
|
MetricsSystem.bootstrapInternal(metrics)
|
|
// run the test
|
|
let name = "meter-\(UUID().uuidString)"
|
|
let meter = Meter(label: name)
|
|
let testMeter = try metrics.expectMeter(meter)
|
|
meter.increment(by: Double.infinity)
|
|
meter.increment(by: -Double.infinity)
|
|
XCTAssertEqual(testMeter.values.count, 0, "expected infinite values to be ignored")
|
|
}
|
|
|
|
func testDefaultMeterIgnoresNegativeValues() throws {
|
|
// bootstrap with our test metrics
|
|
let metrics = TestMetrics()
|
|
MetricsSystem.bootstrapInternal(metrics)
|
|
// run the test
|
|
let name = "meter-\(UUID().uuidString)"
|
|
let meter = Meter(label: name)
|
|
let testMeter = try metrics.expectMeter(meter)
|
|
meter.increment(by: -100)
|
|
XCTAssertEqual(testMeter.values.count, 0, "expected negative values to be ignored")
|
|
}
|
|
|
|
func testDefaultMeterIgnoresZero() throws {
|
|
// bootstrap with our test metrics
|
|
let metrics = TestMetrics()
|
|
MetricsSystem.bootstrapInternal(metrics)
|
|
// run the test
|
|
let name = "meter-\(UUID().uuidString)"
|
|
let meter = Meter(label: name)
|
|
let testMeter = try metrics.expectMeter(meter)
|
|
meter.increment(by: 0)
|
|
meter.increment(by: -0)
|
|
XCTAssertEqual(testMeter.values.count, 0, "expected zero values to be ignored")
|
|
}
|
|
|
|
func testMUX_Counter() throws {
|
|
// bootstrap with our test metrics
|
|
let factories = [TestMetrics(), TestMetrics(), TestMetrics()]
|
|
MetricsSystem.bootstrapInternal(MultiplexMetricsHandler(factories: factories))
|
|
// run the test
|
|
let name = UUID().uuidString
|
|
let value = Int.random(in: Int.min...Int.max)
|
|
let muxCounter = Counter(label: name)
|
|
muxCounter.increment(by: value)
|
|
for factory in factories {
|
|
let counter = factory.counters.first
|
|
XCTAssertEqual(counter?.label, name, "expected label to match")
|
|
XCTAssertEqual(counter?.values.count, 1, "expected number of entries to match")
|
|
XCTAssertEqual(counter?.lastValue, Int64(value), "expected value to match")
|
|
}
|
|
muxCounter.reset()
|
|
for factory in factories {
|
|
let counter = factory.counters.first
|
|
XCTAssertEqual(counter?.values.count, 0, "expected number of entries to match")
|
|
}
|
|
}
|
|
|
|
func testMUX_Meter() throws {
|
|
// bootstrap with our test metrics
|
|
let factories = [TestMetrics(), TestMetrics(), TestMetrics()]
|
|
MetricsSystem.bootstrapInternal(MultiplexMetricsHandler(factories: factories))
|
|
// run the test
|
|
let name = UUID().uuidString
|
|
let value = Double.random(in: 0...1)
|
|
let muxMeter = Meter(label: name)
|
|
muxMeter.set(value)
|
|
for factory in factories {
|
|
let meter = factory.meters.first
|
|
XCTAssertEqual(meter?.label, name, "expected label to match")
|
|
XCTAssertEqual(meter?.values.count, 1, "expected number of entries to match")
|
|
XCTAssertEqual(meter?.values[0], value, "expected value to match")
|
|
}
|
|
}
|
|
|
|
func testMUX_Recorder() throws {
|
|
// bootstrap with our test metrics
|
|
let factories = [TestMetrics(), TestMetrics(), TestMetrics()]
|
|
MetricsSystem.bootstrapInternal(MultiplexMetricsHandler(factories: factories))
|
|
// run the test
|
|
let name = UUID().uuidString
|
|
let value = Double.random(in: 0...1)
|
|
let muxRecorder = Recorder(label: name)
|
|
muxRecorder.record(value)
|
|
for factory in factories {
|
|
let recorder = factory.recorders.first
|
|
XCTAssertEqual(recorder?.label, name, "expected label to match")
|
|
XCTAssertEqual(recorder?.values.count, 1, "expected number of entries to match")
|
|
XCTAssertEqual(recorder?.values[0], value, "expected value to match")
|
|
}
|
|
}
|
|
|
|
func testMUX_Timer() throws {
|
|
// bootstrap with our test metrics
|
|
let factories = [TestMetrics(), TestMetrics(), TestMetrics()]
|
|
MetricsSystem.bootstrapInternal(MultiplexMetricsHandler(factories: factories))
|
|
// run the test
|
|
let name = UUID().uuidString
|
|
let seconds = Int.random(in: 1...10)
|
|
let muxTimer = Timer(label: name, preferredDisplayUnit: .minutes)
|
|
muxTimer.recordSeconds(seconds)
|
|
for factory in factories {
|
|
let timer = factory.timers.first
|
|
XCTAssertEqual(timer?.label, name, "expected label to match")
|
|
XCTAssertEqual(timer?.values.count, 1, "expected number of entries to match")
|
|
XCTAssertEqual(timer?.values[0], Int64(seconds * 1_000_000_000), "expected value to match")
|
|
XCTAssertEqual(timer?.displayUnit, .minutes, "expected value to match")
|
|
XCTAssertEqual(
|
|
timer?.valueInPreferredUnit(atIndex: 0),
|
|
Double(seconds) / 60.0,
|
|
"seconds should be returned as minutes"
|
|
)
|
|
}
|
|
}
|
|
|
|
func testCustomHandler() {
|
|
final class CustomHandler: CounterHandler {
|
|
func increment<DataType>(by: DataType) where DataType: BinaryInteger {}
|
|
func reset() {}
|
|
}
|
|
|
|
let counter1 = Counter(label: "foo")
|
|
XCTAssertFalse(counter1._handler is CustomHandler, "expected non-custom log handler")
|
|
let counter2 = Counter(label: "foo", dimensions: [], handler: CustomHandler())
|
|
XCTAssertTrue(counter2._handler is CustomHandler, "expected custom log handler")
|
|
}
|
|
|
|
func testCustomFactory() {
|
|
// @unchecked Sendable is okay here - locking is done manually.
|
|
final class CustomFactory: MetricsFactory, @unchecked Sendable {
|
|
|
|
init(handler: CustomHandler) {
|
|
self.handler = handler
|
|
}
|
|
|
|
final class CustomHandler: CounterHandler {
|
|
func increment<DataType>(by: DataType) where DataType: BinaryInteger {}
|
|
func reset() {}
|
|
}
|
|
private let handler: CustomHandler
|
|
private let lock: NSLock = NSLock()
|
|
private var locked_didCallDestroyCounter: Bool = false
|
|
var didCallDestroyCounter: Bool {
|
|
self.lock.lock()
|
|
defer {
|
|
lock.unlock()
|
|
}
|
|
return self.locked_didCallDestroyCounter
|
|
}
|
|
|
|
func makeCounter(label: String, dimensions: [(String, String)]) -> any CoreMetrics.CounterHandler {
|
|
handler
|
|
}
|
|
|
|
func makeRecorder(
|
|
label: String,
|
|
dimensions: [(String, String)],
|
|
aggregate: Bool
|
|
) -> any CoreMetrics.RecorderHandler {
|
|
fatalError("Unsupported")
|
|
}
|
|
|
|
func makeTimer(label: String, dimensions: [(String, String)]) -> any CoreMetrics.TimerHandler {
|
|
fatalError("Unsupported")
|
|
}
|
|
|
|
func destroyCounter(_ handler: any CoreMetrics.CounterHandler) {
|
|
XCTAssertTrue(
|
|
handler === self.handler,
|
|
"The handler to be destroyed doesn't match the expected handler."
|
|
)
|
|
self.lock.lock()
|
|
defer {
|
|
lock.unlock()
|
|
}
|
|
self.locked_didCallDestroyCounter = true
|
|
}
|
|
|
|
func destroyRecorder(_ handler: any CoreMetrics.RecorderHandler) {
|
|
fatalError("Unsupported")
|
|
}
|
|
|
|
func destroyTimer(_ handler: any CoreMetrics.TimerHandler) {
|
|
fatalError("Unsupported")
|
|
}
|
|
}
|
|
|
|
let handler = CustomFactory.CustomHandler()
|
|
let factory = CustomFactory(handler: handler)
|
|
|
|
XCTAssertFalse(factory.didCallDestroyCounter)
|
|
do {
|
|
let counter1 = Counter(label: "foo", factory: factory)
|
|
XCTAssertTrue(counter1._handler is CustomFactory.CustomHandler, "expected a custom metrics handler")
|
|
XCTAssertTrue(counter1._factory is CustomFactory, "expected a custom metrics factory")
|
|
counter1.destroy()
|
|
}
|
|
XCTAssertTrue(factory.didCallDestroyCounter)
|
|
}
|
|
|
|
func testDestroyingGauge() throws {
|
|
let metrics = TestMetrics()
|
|
MetricsSystem.bootstrapInternal(metrics)
|
|
|
|
let name = "gauge-\(UUID().uuidString)"
|
|
let value = Double.random(in: -1000...1000)
|
|
|
|
let gauge = Gauge(label: name)
|
|
gauge.record(value)
|
|
|
|
let recorder = try metrics.expectRecorder(gauge)
|
|
XCTAssertEqual(recorder.values.count, 1, "expected number of entries to match")
|
|
XCTAssertEqual(recorder.values.first, value, "expected value to match")
|
|
XCTAssertEqual(metrics.recorders.count, 1, "recorder should have been stored")
|
|
|
|
let identity = ObjectIdentifier(recorder)
|
|
gauge.destroy()
|
|
XCTAssertEqual(metrics.recorders.count, 0, "recorder should have been released")
|
|
|
|
let gaugeAgain = Gauge(label: name)
|
|
gaugeAgain.record(-value)
|
|
|
|
let recorderAgain = try metrics.expectRecorder(gaugeAgain)
|
|
XCTAssertEqual(recorderAgain.values.count, 1, "expected number of entries to match")
|
|
XCTAssertEqual(recorderAgain.values.first, -value, "expected value to match")
|
|
|
|
let identityAgain = ObjectIdentifier(recorderAgain)
|
|
XCTAssertNotEqual(
|
|
identity,
|
|
identityAgain,
|
|
"since the cached metric was released, the created a new should have a different identity"
|
|
)
|
|
}
|
|
|
|
func testDestroyingMeter() throws {
|
|
let metrics = TestMetrics()
|
|
MetricsSystem.bootstrapInternal(metrics)
|
|
|
|
let name = "meter-\(UUID().uuidString)"
|
|
let value = Double.random(in: -1000...1000)
|
|
|
|
let meter = Meter(label: name)
|
|
meter.set(value)
|
|
|
|
let testMeter = try metrics.expectMeter(meter)
|
|
XCTAssertEqual(testMeter.values.count, 1, "expected number of entries to match")
|
|
XCTAssertEqual(testMeter.values.first, value, "expected value to match")
|
|
XCTAssertEqual(metrics.meters.count, 1, "recorder should have been stored")
|
|
|
|
let identity = ObjectIdentifier(testMeter)
|
|
meter.destroy()
|
|
XCTAssertEqual(metrics.recorders.count, 0, "recorder should have been released")
|
|
|
|
let meterAgain = Meter(label: name)
|
|
meterAgain.set(-value)
|
|
|
|
let testMeterAgain = try metrics.expectMeter(meterAgain)
|
|
XCTAssertEqual(testMeterAgain.values.count, 1, "expected number of entries to match")
|
|
XCTAssertEqual(testMeterAgain.values.first, -value, "expected value to match")
|
|
|
|
let identityAgain = ObjectIdentifier(testMeterAgain)
|
|
XCTAssertNotEqual(
|
|
identity,
|
|
identityAgain,
|
|
"since the cached metric was released, the created a new should have a different identity"
|
|
)
|
|
}
|
|
|
|
func testDestroyingCounter() throws {
|
|
let metrics = TestMetrics()
|
|
MetricsSystem.bootstrapInternal(metrics)
|
|
|
|
let name = "counter-\(UUID().uuidString)"
|
|
let value = Int.random(in: 0...1000)
|
|
|
|
let counter = Counter(label: name)
|
|
counter.increment(by: value)
|
|
|
|
let testCounter = try metrics.expectCounter(counter)
|
|
XCTAssertEqual(testCounter.values.count, 1, "expected number of entries to match")
|
|
XCTAssertEqual(testCounter.values.first, Int64(value), "expected value to match")
|
|
XCTAssertEqual(metrics.counters.count, 1, "counter should have been stored")
|
|
|
|
let identity = ObjectIdentifier(counter)
|
|
counter.destroy()
|
|
XCTAssertEqual(metrics.counters.count, 0, "counter should have been released")
|
|
|
|
let counterAgain = Counter(label: name)
|
|
counterAgain.increment(by: value)
|
|
|
|
let testCounterAgain = try metrics.expectCounter(counterAgain)
|
|
XCTAssertEqual(testCounterAgain.values.count, 1, "expected number of entries to match")
|
|
XCTAssertEqual(testCounterAgain.values.first, Int64(value), "expected value to match")
|
|
|
|
let identityAgain = ObjectIdentifier(counterAgain)
|
|
XCTAssertNotEqual(
|
|
identity,
|
|
identityAgain,
|
|
"since the cached metric was released, the created a new should have a different identity"
|
|
)
|
|
}
|
|
|
|
func testDestroyingTimer() throws {
|
|
let metrics = TestMetrics()
|
|
MetricsSystem.bootstrapInternal(metrics)
|
|
|
|
let name = "timer-\(UUID().uuidString)"
|
|
let value = Int64.random(in: 0...1000)
|
|
|
|
let timer = Timer(label: name)
|
|
timer.recordNanoseconds(value)
|
|
|
|
let testTimer = try metrics.expectTimer(timer)
|
|
XCTAssertEqual(testTimer.values.count, 1, "expected number of entries to match")
|
|
XCTAssertEqual(testTimer.values.first, value, "expected value to match")
|
|
XCTAssertEqual(metrics.timers.count, 1, "timer should have been stored")
|
|
|
|
let identity = ObjectIdentifier(timer)
|
|
timer.destroy()
|
|
XCTAssertEqual(metrics.timers.count, 0, "timer should have been released")
|
|
|
|
let timerAgain = Timer(label: name)
|
|
timerAgain.recordNanoseconds(value)
|
|
let testTimerAgain = try metrics.expectTimer(timerAgain)
|
|
XCTAssertEqual(testTimerAgain.values.count, 1, "expected number of entries to match")
|
|
XCTAssertEqual(testTimerAgain.values.first, value, "expected value to match")
|
|
|
|
let identityAgain = ObjectIdentifier(timerAgain)
|
|
XCTAssertNotEqual(
|
|
identity,
|
|
identityAgain,
|
|
"since the cached metric was released, the created a new should have a different identity"
|
|
)
|
|
}
|
|
|
|
func testDescriptions() throws {
|
|
let metrics = TestMetrics()
|
|
MetricsSystem.bootstrapInternal(metrics)
|
|
|
|
let counter = Counter(label: "hello.counter")
|
|
XCTAssertEqual("\(counter)", "Counter(hello.counter, dimensions: [])")
|
|
|
|
let gauge = Gauge(label: "hello.gauge")
|
|
XCTAssertEqual("\(gauge)", "Gauge(hello.gauge, dimensions: [], aggregate: false)")
|
|
|
|
let meter = Meter(label: "hello.meter")
|
|
XCTAssertEqual("\(meter)", "Meter(hello.meter, dimensions: [])")
|
|
|
|
let timer = Timer(label: "hello.timer")
|
|
XCTAssertEqual("\(timer)", "Timer(hello.timer, dimensions: [])")
|
|
|
|
let recorder = Recorder(label: "hello.recorder")
|
|
XCTAssertEqual("\(recorder)", "Recorder(hello.recorder, dimensions: [], aggregate: true)")
|
|
}
|
|
}
|