16292877152

Committed 15 Jul 2025 12:10PM UTC coverage: 77.385% (+2.1%) from 75.27%

Build # 16292877152

Build Type

push

github

Committed by

web-flow

Commit Message

chore(tests): switch to vitest (#363)

Run Details

498 of 687 branches covered (72.49%)

Branch coverage included in aggregate %.

0 of 27 new or added lines in 2 files covered. (0.0%)

293 existing lines in 26 files now uncovered.

2828 of 3611 relevant lines covered (78.32%)

28.46 hits per line

Source File
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80.56

/src/telemetry/eventCache.ts

import { LRUCache } from "lru-cache";
import { BaseEvent } from "./types.js";

/**
 * Singleton class for in-memory telemetry event caching
 * Provides a central storage for telemetry events that couldn't be sent
 * Uses LRU cache to automatically drop oldest events when limit is exceeded
 */
export class EventCache {
    private static instance: EventCache;
    private static readonly MAX_EVENTS = 1000;

    private cache: LRUCache<number, BaseEvent>;
    private nextId = 0;

    constructor() {
        this.cache = new LRUCache({
            max: EventCache.MAX_EVENTS,
            // Using FIFO eviction strategy for events
            allowStale: false,
            updateAgeOnGet: false,
        });
    }

    /**
     * Gets the singleton instance of EventCache
     * @returns The EventCache instance
     */
    public static getInstance(): EventCache {
        if (!EventCache.instance) {
            EventCache.instance = new EventCache();
        }
        return EventCache.instance;
    }

    /**
     * Gets a copy of the currently cached events
     * @returns Array of cached BaseEvent objects
     */
    public getEvents(): BaseEvent[] {
        return Array.from(this.cache.values());
    }

    /**
     * Appends new events to the cached events
     * LRU cache automatically handles dropping oldest events when limit is exceeded
     * @param events - The events to append
     */
    public appendEvents(events: BaseEvent[]): void {
        for (const event of events) {
            this.cache.set(this.nextId++, event);
        }
    }

    /**
     * Clears all cached events
     */
    public clearEvents(): void {
        this.cache.clear();
        this.nextId = 0;
    }
}

1	import { LRUCache } from "lru-cache";	2✔
2	import { BaseEvent } from "./types.js";
3
4	/**
5	* Singleton class for in-memory telemetry event caching
6	* Provides a central storage for telemetry events that couldn't be sent
7	* Uses LRU cache to automatically drop oldest events when limit is exceeded
8	*/
9	export class EventCache {	2✔
10	private static instance: EventCache;
11	private static readonly MAX_EVENTS = 1000;	36✔
12
13	private cache: LRUCache<number, BaseEvent>;
14	private nextId = 0;	36✔
15
16	constructor() {	36✔
17	this.cache = new LRUCache({	29✔
18	max: EventCache.MAX_EVENTS,	29✔
19	// Using FIFO eviction strategy for events
20	allowStale: false,	29✔
21	updateAgeOnGet: false,	29✔
22	});	29✔
23	}	29✔
24
25	/**
26	* Gets the singleton instance of EventCache
27	* @returns The EventCache instance
28	*/
29	public static getInstance(): EventCache {	36✔
30	if (!EventCache.instance) {	35✔
31	EventCache.instance = new EventCache();	29✔
32	}	29✔
33	return EventCache.instance;	35✔
34	}	35✔
35
36	/**
37	* Gets a copy of the currently cached events
38	* @returns Array of cached BaseEvent objects
39	*/
40	public getEvents(): BaseEvent[] {	36✔
41	return Array.from(this.cache.values());	34✔
42	}	34✔
43
44	/**
45	* Appends new events to the cached events
46	* LRU cache automatically handles dropping oldest events when limit is exceeded
47	* @param events - The events to append
48	*/
49	public appendEvents(events: BaseEvent[]): void {	36✔
50	for (const event of events) {	×
51	this.cache.set(this.nextId++, event);	×
UNCOV 52	}	×
UNCOV 53	}	×
54
55	/**
56	* Clears all cached events
57	*/
58	public clearEvents(): void {	36✔
59	this.cache.clear();	×
60	this.nextId = 0;	×
UNCOV 61	}	×
62	}	36✔

mongodb-js / mongodb-mcp-server / 16292877152

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