files core monitortests systemmonitorsupplementalsamplingtests swift fa7e401d

File: Core-MonitorTests/SystemMonitorSupplementalSamplingTests.swift

Current Role

• Area: Tests.
• This page records the file's current repository role, source metadata, and recent commit history.
• Review nearby tests and commit pages before changing this file.

Metadata

Field	Value
Source path	Core-MonitorTests/SystemMonitorSupplementalSamplingTests.swift
Wiki area	Tests
Exists in current checkout	True
Size	2031 bytes
Binary	False
Line count	39
Extension	.swift

Imports

XCTest

Declarations

Kind	Name	Line
class	SystemMonitorSupplementalSamplingTests	2
func	testInteractiveMonitoringRefreshesSupplementalReadingsOnMetricCadence	5
func	testBackgroundMonitoringDoesNotRefreshSupplementalReadingsFasterThanMonitorCadence	17
func	testResetForcesImmediateRefreshAgain	26

Recent Change History

Commit	Date	Subject
bd91092	2026-04-16	Fix merged disk refresh regression
6fcd312	2026-04-16	Throttle slow-moving system monitor reads

Maintenance Notes

• Prefer focused changes that respect the ownership described above.
• If this file touches helper trust, SMC writes, startup, or permissions, update the relevant support docs and tests.
• If this file is generated or an asset manifest, verify the producing workflow instead of hand-editing generated payloads.

Source Excerpt

import XCTest
@testable import Core_Monitor

final class SystemMonitorSupplementalSamplingTests: XCTestCase {
    func testInteractiveMonitoringRefreshesSupplementalReadingsOnMetricCadence() {
        var state = SystemMonitorSupplementalSamplingState()
        let start = Date(timeIntervalSinceReferenceDate: 10_000)

        XCTAssertTrue(state.shouldRefreshBattery(now: start, monitoringInterval: 1))
        XCTAssertFalse(state.shouldRefreshBattery(now: start.addingTimeInterval(9.9), monitoringInterval: 1))
        XCTAssertTrue(state.shouldRefreshBattery(now: start.addingTimeInterval(10.0), monitoringInterval: 1))

        XCTAssertTrue(state.shouldRefreshSystemControls(now: start, monitoringInterval: 1))
        XCTAssertFalse(state.shouldRefreshSystemControls(now: start.addingTimeInterval(4.9), monitoringInterval: 1))
        XCTAssertTrue(state.shouldRefreshSystemControls(now: start.addingTimeInterval(5.0), monitoringInterval: 1))
    }

    func testBackgroundMonitoringDoesNotRefreshSupplementalReadingsFasterThanMonitorCadence() {
        var state = SystemMonitorSupplementalSamplingState()
        let start = Date(timeIntervalSinceReferenceDate: 20_000)

        XCTAssertTrue(state.shouldRefreshSystemControls(now: start, monitoringInterval: 30))
        XCTAssertFalse(state.shouldRefreshSystemControls(now: start.addingTimeInterval(10.0), monitoringInterval: 30))
        XCTAssertTrue(state.shouldRefreshSystemControls(now: start.addingTimeInterval(30.0), monitoringInterval: 30))
    }

    func testResetForcesImmediateRefreshAgain() {
        var state = SystemMonitorSupplementalSamplingState()
        let start = Date(timeIntervalSinceReferenceDate: 30_000)

        XCTAssertTrue(state.shouldRefreshBattery(now: start, monitoringInterval: 1))
        XCTAssertFalse(state.shouldRefreshBattery(now: start.addingTimeInterval(1.0), monitoringInterval: 1))

        state.reset()

        XCTAssertTrue(state.shouldRefreshBattery(now: start.addingTimeInterval(1.0), monitoringInterval: 1))
    }
}