Files
MacMonitor/Tests/MMHistoryTests.swift
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feat(history): implement rolling ring buffer, history store and Swift Charts trend view (Issue #23)
2026-09-08 13:15:23 +01:00

55 lines
2.0 KiB
Swift

import XCTest
@testable import MacMonitor
final class MMHistoryTests: XCTestCase {
func testRollingRingBufferCapacityAndEviction() {
let buffer = RollingRingBuffer<Double>(capacity: 3)
XCTAssertEqual(buffer.count, 0)
buffer.append(10.0)
buffer.append(20.0)
XCTAssertEqual(buffer.count, 2)
XCTAssertEqual(buffer.samples.map(\.value), [10.0, 20.0])
buffer.append(30.0)
XCTAssertEqual(buffer.count, 3)
XCTAssertEqual(buffer.samples.map(\.value), [10.0, 20.0, 30.0])
// 4th append should evict oldest (10.0)
buffer.append(40.0)
XCTAssertEqual(buffer.count, 3)
XCTAssertEqual(buffer.samples.map(\.value), [20.0, 30.0, 40.0])
buffer.clear()
XCTAssertEqual(buffer.count, 0)
XCTAssertTrue(buffer.samples.isEmpty)
}
func testTelemetryHistoryStoreRecord() {
let store = TelemetryHistoryStore()
let snapshot = TelemetrySnapshotRecord(
cpuLoad: 25.5,
memoryUsedPercent: 62.1,
networkInBps: 1024.0,
networkOutBps: 2048.0,
diskReadBps: 512.0,
diskWriteBps: 1024.0,
cpuTemp: 55.0,
systemPowerWatts: 18.5
)
store.record(snapshot: snapshot)
XCTAssertEqual(store.sampleCounter, 1)
XCTAssertEqual(store.cpuHistory.count, 1)
XCTAssertEqual(store.cpuHistory.samples.first?.value, 25.5)
XCTAssertEqual(store.memoryHistory.samples.first?.value, 62.1)
XCTAssertEqual(store.networkInHistory.samples.first?.value, 1024.0)
XCTAssertEqual(store.networkOutHistory.samples.first?.value, 2048.0)
XCTAssertEqual(store.diskReadHistory.samples.first?.value, 512.0)
XCTAssertEqual(store.diskWriteHistory.samples.first?.value, 1024.0)
XCTAssertEqual(store.cpuTempHistory.samples.first?.value, 55.0)
XCTAssertEqual(store.powerHistory.samples.first?.value, 18.5)
}
}