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
Press 'n' to go to next uncovered line, 'b' for previous

91.85

/src/telemetry/telemetry.ts

import { Session } from "../common/session.js";
import { BaseEvent, CommonProperties } from "./types.js";
import { UserConfig } from "../common/config.js";
import logger, { LogId } from "../common/logger.js";
import { ApiClient } from "../common/atlas/apiClient.js";
import { MACHINE_METADATA } from "./constants.js";
import { EventCache } from "./eventCache.js";
import nodeMachineId from "node-machine-id";
import { getDeviceId } from "@mongodb-js/device-id";
import { detectContainerEnv } from "../helpers/container.js";

type EventResult = {
    success: boolean;
    error?: Error;
};

export const DEVICE_ID_TIMEOUT = 3000;

export class Telemetry {
    private isBufferingEvents: boolean = true;
    /** Resolves when the setup is complete or a timeout occurs */
    public setupPromise: Promise<[string, boolean]> | undefined;
    private deviceIdAbortController = new AbortController();
    private eventCache: EventCache;
    private getRawMachineId: () => Promise<string>;

    private constructor(
        private readonly session: Session,
        private readonly userConfig: UserConfig,
        private readonly commonProperties: CommonProperties,
        { eventCache, getRawMachineId }: { eventCache: EventCache; getRawMachineId: () => Promise<string> }
    ) {
        this.eventCache = eventCache;
        this.getRawMachineId = getRawMachineId;
    }

    static create(
        session: Session,
        userConfig: UserConfig,
        {
            commonProperties = { ...MACHINE_METADATA },
            eventCache = EventCache.getInstance(),
            getRawMachineId = () => nodeMachineId.machineId(true),
        }: {
            eventCache?: EventCache;
            getRawMachineId?: () => Promise<string>;
            commonProperties?: CommonProperties;
        } = {}
    ): Telemetry {
        const instance = new Telemetry(session, userConfig, commonProperties, { eventCache, getRawMachineId });

        void instance.setup();
        return instance;
    }

    private async setup(): Promise<void> {
        if (!this.isTelemetryEnabled()) {
            return;
        }
        this.setupPromise = Promise.all([
            getDeviceId({
                getMachineId: () => this.getRawMachineId(),
                onError: (reason, error) => {
                    switch (reason) {
                        case "resolutionError":
                            logger.debug(LogId.telemetryDeviceIdFailure, "telemetry", String(error));
                            break;
                        case "timeout":
                            logger.debug(LogId.telemetryDeviceIdTimeout, "telemetry", "Device ID retrieval timed out");
                            break;
                        case "abort":
                            // No need to log in the case of aborts
                            break;
                    }
                },
                abortSignal: this.deviceIdAbortController.signal,
            }),
            detectContainerEnv(),
        ]);

        const [deviceId, containerEnv] = await this.setupPromise;

        this.commonProperties.device_id = deviceId;
        this.commonProperties.is_container_env = containerEnv;

        this.isBufferingEvents = false;
    }

    public async close(): Promise<void> {
        this.deviceIdAbortController.abort();
        this.isBufferingEvents = false;
        await this.emitEvents(this.eventCache.getEvents());
    }

    /**
     * Emits events through the telemetry pipeline
     * @param events - The events to emit
     */
    public async emitEvents(events: BaseEvent[]): Promise<void> {
        try {
            if (!this.isTelemetryEnabled()) {
                logger.info(LogId.telemetryEmitFailure, "telemetry", `Telemetry is disabled.`);
                return;
            }

            await this.emit(events);
        } catch {
            logger.debug(LogId.telemetryEmitFailure, "telemetry", `Error emitting telemetry events.`);
        }
    }

    /**
     * Gets the common properties for events
     * @returns Object containing common properties for all events
     */
    public getCommonProperties(): CommonProperties {
        return {
            ...this.commonProperties,
            mcp_client_version: this.session.agentRunner?.version,
            mcp_client_name: this.session.agentRunner?.name,
            session_id: this.session.sessionId,
            config_atlas_auth: this.session.apiClient.hasCredentials() ? "true" : "false",
            config_connection_string: this.userConfig.connectionString ? "true" : "false",
        };
    }

    /**
     * Checks if telemetry is currently enabled
     * This is a method rather than a constant to capture runtime config changes
     *
     * Follows the Console Do Not Track standard (https://consoledonottrack.com/)
     * by respecting the DO_NOT_TRACK environment variable
     */
    public isTelemetryEnabled(): boolean {
        // Check if telemetry is explicitly disabled in config
        if (this.userConfig.telemetry === "disabled") {
            return false;
        }

        const doNotTrack = "DO_NOT_TRACK" in process.env;
        return !doNotTrack;
    }

    /**
     * Attempts to emit events through authenticated and unauthenticated clients
     * Falls back to caching if both attempts fail
     */
    private async emit(events: BaseEvent[]): Promise<void> {
        if (this.isBufferingEvents) {
            this.eventCache.appendEvents(events);
            return;
        }

        const cachedEvents = this.eventCache.getEvents();
        const allEvents = [...cachedEvents, ...events];

        logger.debug(
            LogId.telemetryEmitStart,
            "telemetry",
            `Attempting to send ${allEvents.length} events (${cachedEvents.length} cached)`
        );

        const result = await this.sendEvents(this.session.apiClient, allEvents);
        if (result.success) {
            this.eventCache.clearEvents();
            logger.debug(
                LogId.telemetryEmitSuccess,
                "telemetry",
                `Sent ${allEvents.length} events successfully: ${JSON.stringify(allEvents, null, 2)}`
            );
            return;
        }

        logger.debug(
            LogId.telemetryEmitFailure,
            "telemetry",
            `Error sending event to client: ${result.error instanceof Error ? result.error.message : String(result.error)}`
        );
        this.eventCache.appendEvents(events);
    }

    /**
     * Attempts to send events through the provided API client
     */
    private async sendEvents(client: ApiClient, events: BaseEvent[]): Promise<EventResult> {
        try {
            await client.sendEvents(
                events.map((event) => ({
                    ...event,
                    properties: { ...this.getCommonProperties(), ...event.properties },
                }))
            );
            return { success: true };
        } catch (error) {
            return {
                success: false,
                error: error instanceof Error ? error : new Error(String(error)),
            };
        }
    }
}

1	import { Session } from "../common/session.js";
2	import { BaseEvent, CommonProperties } from "./types.js";
3	import { UserConfig } from "../common/config.js";
4	import logger, { LogId } from "../common/logger.js";	2✔
5	import { ApiClient } from "../common/atlas/apiClient.js";
6	import { MACHINE_METADATA } from "./constants.js";	2✔
7	import { EventCache } from "./eventCache.js";	2✔
8	import nodeMachineId from "node-machine-id";	2✔
9	import { getDeviceId } from "@mongodb-js/device-id";	2✔
10	import { detectContainerEnv } from "../helpers/container.js";	2✔
11
12	type EventResult = {
13	success: boolean;
14	error?: Error;
15	};
16
17	export const DEVICE_ID_TIMEOUT = 3000;	2✔
18
19	export class Telemetry {	2✔
20	private isBufferingEvents: boolean = true;	2✔
21	/** Resolves when the setup is complete or a timeout occurs */
22	public setupPromise: Promise<[string, boolean]> \| undefined;
23	private deviceIdAbortController = new AbortController();	2✔
24	private eventCache: EventCache;
25	private getRawMachineId: () => Promise<string>;
26
27	private constructor(	2✔
28	private readonly session: Session,	47✔
29	private readonly userConfig: UserConfig,	47✔
30	private readonly commonProperties: CommonProperties,	47✔
31	{ eventCache, getRawMachineId }: { eventCache: EventCache; getRawMachineId: () => Promise<string> }	47✔
32	) {	47✔
33	this.eventCache = eventCache;	47✔
34	this.getRawMachineId = getRawMachineId;	47✔
35	}	47✔
36
37	static create(	2✔
38	session: Session,	47✔
39	userConfig: UserConfig,	47✔
40	{	47✔
41	commonProperties = { ...MACHINE_METADATA },	47✔
42	eventCache = EventCache.getInstance(),	47✔
43	getRawMachineId = () => nodeMachineId.machineId(true),	47✔
44	}: {	47✔
45	eventCache?: EventCache;
46	getRawMachineId?: () => Promise<string>;
47	commonProperties?: CommonProperties;
48	} = {}	47✔
49	): Telemetry {	47✔
50	const instance = new Telemetry(session, userConfig, commonProperties, { eventCache, getRawMachineId });	47✔
51
52	void instance.setup();	47✔
53	return instance;	47✔
54	}	47✔
55
56	private async setup(): Promise<void> {	2✔
57	if (!this.isTelemetryEnabled()) {	47✔
58	return;	34✔
59	}	34!
60	this.setupPromise = Promise.all([	13✔
61	getDeviceId({	13✔
62	getMachineId: () => this.getRawMachineId(),	13✔
63	onError: (reason, error) => {	13✔
64	switch (reason) {	2✔
65	case "resolutionError":	2✔
66	logger.debug(LogId.telemetryDeviceIdFailure, "telemetry", String(error));	1✔
67	break;	1✔
68	case "timeout":	2✔
69	logger.debug(LogId.telemetryDeviceIdTimeout, "telemetry", "Device ID retrieval timed out");	1✔
70	break;	1✔
71	case "abort":	2!
72	// No need to log in the case of aborts
73	break;	×
74	}	2✔
75	},	2✔
76	abortSignal: this.deviceIdAbortController.signal,	13✔
77	}),	13✔
78	detectContainerEnv(),	13✔
79	]);	13✔
80
81	const [deviceId, containerEnv] = await this.setupPromise;	13✔
82
83	this.commonProperties.device_id = deviceId;	13✔
84	this.commonProperties.is_container_env = containerEnv;	13✔
85
86	this.isBufferingEvents = false;	13✔
87	}	47✔
88
89	public async close(): Promise<void> {	2✔
90	this.deviceIdAbortController.abort();	34✔
91	this.isBufferingEvents = false;	34✔
92	await this.emitEvents(this.eventCache.getEvents());	34✔
93	}	34✔
94
95	/**
96	* Emits events through the telemetry pipeline
97	* @param events - The events to emit
98	*/
99	public async emitEvents(events: BaseEvent[]): Promise<void> {	2✔
100	try {	107✔
101	if (!this.isTelemetryEnabled()) {	107✔
102	logger.info(LogId.telemetryEmitFailure, "telemetry", `Telemetry is disabled.`);	104✔
103	return;	104✔
104	}	104!
105
106	await this.emit(events);	3✔
107	} catch {	5!
108	logger.debug(LogId.telemetryEmitFailure, "telemetry", `Error emitting telemetry events.`);	×
UNCOV 109	}	×
110	}	107✔
111
112	/**
113	* Gets the common properties for events
114	* @returns Object containing common properties for all events
115	*/
116	public getCommonProperties(): CommonProperties {	2✔
117	return {	17✔
118	...this.commonProperties,	17✔
119	mcp_client_version: this.session.agentRunner?.version,	17✔
120	mcp_client_name: this.session.agentRunner?.name,	17✔
121	session_id: this.session.sessionId,	17✔
122	config_atlas_auth: this.session.apiClient.hasCredentials() ? "true" : "false",	17✔
123	config_connection_string: this.userConfig.connectionString ? "true" : "false",	17!
124	};	17✔
125	}	17✔
126
127	/**
128	* Checks if telemetry is currently enabled
129	* This is a method rather than a constant to capture runtime config changes
130	*
131	* Follows the Console Do Not Track standard (https://consoledonottrack.com/)
132	* by respecting the DO_NOT_TRACK environment variable
133	*/
134	public isTelemetryEnabled(): boolean {	2✔
135	// Check if telemetry is explicitly disabled in config
136	if (this.userConfig.telemetry === "disabled") {	422✔
137	return false;	405✔
138	}	405!
139
140	const doNotTrack = "DO_NOT_TRACK" in process.env;	17✔
141	return !doNotTrack;	17✔
142	}	422✔
143
144	/**
145	* Attempts to emit events through authenticated and unauthenticated clients
146	* Falls back to caching if both attempts fail
147	*/
148	private async emit(events: BaseEvent[]): Promise<void> {	2✔
149	if (this.isBufferingEvents) {	3!
150	this.eventCache.appendEvents(events);	×
151	return;	×
UNCOV 152	}	×
153
154	const cachedEvents = this.eventCache.getEvents();	3✔
155	const allEvents = [...cachedEvents, ...events];	3✔
156
157	logger.debug(	3✔
158	LogId.telemetryEmitStart,	3✔
159	"telemetry",	3✔
160	`Attempting to send ${allEvents.length} events (${cachedEvents.length} cached)`	3✔
161	);	3✔
162
163	const result = await this.sendEvents(this.session.apiClient, allEvents);	3✔
164	if (result.success) {	3✔
165	this.eventCache.clearEvents();	2✔
166	logger.debug(	2✔
167	LogId.telemetryEmitSuccess,	2✔
168	"telemetry",	2✔
169	`Sent ${allEvents.length} events successfully: ${JSON.stringify(allEvents, null, 2)}`	2✔
170	);	2✔
171	return;	2✔
172	}	2✔
173
174	logger.debug(	1✔
175	LogId.telemetryEmitFailure,	1✔
176	"telemetry",	1✔
177	`Error sending event to client: ${result.error instanceof Error ? result.error.message : String(result.error)}`	3!
178	);	3✔
179	this.eventCache.appendEvents(events);	3✔
180	}	3✔
181
182	/**
183	* Attempts to send events through the provided API client
184	*/
185	private async sendEvents(client: ApiClient, events: BaseEvent[]): Promise<EventResult> {	2✔
186	try {	3✔
187	await client.sendEvents(	3✔
188	events.map((event) => ({	3✔
189	...event,	4✔
190	properties: { ...this.getCommonProperties(), ...event.properties },	4✔
191	}))	3✔
192	);	3✔
193	return { success: true };	2✔
194	} catch (error) {	3✔
195	return {	1✔
196	success: false,	1✔
197	error: error instanceof Error ? error : new Error(String(error)),	1!
198	};	1✔
199	}	1✔
200	}	3✔
201	}	2✔

mongodb-js / mongodb-mcp-server / 16292877152

Source File Press 'n' to go to next uncovered line, 'b' for previous

Source File
Press 'n' to go to next uncovered line, 'b' for previous