telemetry.rs

  1mod event_coalescer;
  2
  3use crate::TelemetrySettings;
  4use anyhow::Result;
  5use clock::SystemClock;
  6use futures::channel::mpsc;
  7use futures::{Future, FutureExt, StreamExt};
  8use gpui::{App, AppContext as _, BackgroundExecutor, Task};
  9use http_client::{self, AsyncBody, HttpClient, HttpClientWithUrl, Method, Request};
 10use parking_lot::Mutex;
 11use regex::Regex;
 12use release_channel::ReleaseChannel;
 13use settings::{Settings, SettingsStore};
 14use sha2::{Digest, Sha256};
 15use std::collections::HashSet;
 16use std::fs::File;
 17use std::io::Write;
 18use std::sync::LazyLock;
 19use std::time::Instant;
 20use std::{env, mem, path::PathBuf, sync::Arc, time::Duration};
 21use telemetry_events::{AssistantEventData, AssistantPhase, Event, EventRequestBody, EventWrapper};
 22use util::{ResultExt, TryFutureExt};
 23use worktree::{UpdatedEntriesSet, WorktreeId};
 24
 25use self::event_coalescer::EventCoalescer;
 26
 27pub struct Telemetry {
 28    clock: Arc<dyn SystemClock>,
 29    http_client: Arc<HttpClientWithUrl>,
 30    executor: BackgroundExecutor,
 31    state: Arc<Mutex<TelemetryState>>,
 32}
 33
 34struct TelemetryState {
 35    settings: TelemetrySettings,
 36    system_id: Option<Arc<str>>,       // Per system
 37    installation_id: Option<Arc<str>>, // Per app installation (different for dev, nightly, preview, and stable)
 38    session_id: Option<String>,        // Per app launch
 39    metrics_id: Option<Arc<str>>,      // Per logged-in user
 40    release_channel: Option<&'static str>,
 41    architecture: &'static str,
 42    events_queue: Vec<EventWrapper>,
 43    flush_events_task: Option<Task<()>>,
 44    log_file: Option<File>,
 45    is_staff: Option<bool>,
 46    first_event_date_time: Option<Instant>,
 47    event_coalescer: EventCoalescer,
 48    max_queue_size: usize,
 49    worktrees_with_project_type_events_sent: HashSet<WorktreeId>,
 50
 51    os_name: String,
 52    app_version: String,
 53    os_version: Option<String>,
 54}
 55
 56#[cfg(debug_assertions)]
 57const MAX_QUEUE_LEN: usize = 5;
 58
 59#[cfg(not(debug_assertions))]
 60const MAX_QUEUE_LEN: usize = 50;
 61
 62#[cfg(debug_assertions)]
 63const FLUSH_INTERVAL: Duration = Duration::from_secs(1);
 64
 65#[cfg(not(debug_assertions))]
 66const FLUSH_INTERVAL: Duration = Duration::from_secs(60 * 5);
 67static ZED_CLIENT_CHECKSUM_SEED: LazyLock<Option<Vec<u8>>> = LazyLock::new(|| {
 68    option_env!("ZED_CLIENT_CHECKSUM_SEED")
 69        .map(|s| s.as_bytes().into())
 70        .or_else(|| {
 71            env::var("ZED_CLIENT_CHECKSUM_SEED")
 72                .ok()
 73                .map(|s| s.as_bytes().into())
 74        })
 75});
 76
 77static DOTNET_PROJECT_FILES_REGEX: LazyLock<Regex> = LazyLock::new(|| {
 78    Regex::new(r"^(global\.json|Directory\.Build\.props|.*\.(csproj|fsproj|vbproj|sln))$").unwrap()
 79});
 80
 81pub fn os_name() -> String {
 82    #[cfg(target_os = "macos")]
 83    {
 84        "macOS".to_string()
 85    }
 86    #[cfg(any(target_os = "linux", target_os = "freebsd"))]
 87    {
 88        format!("Linux {}", gpui::guess_compositor())
 89    }
 90
 91    #[cfg(target_os = "windows")]
 92    {
 93        "Windows".to_string()
 94    }
 95}
 96
 97/// Note: This might do blocking IO! Only call from background threads
 98pub fn os_version() -> String {
 99    #[cfg(target_os = "macos")]
100    {
101        use cocoa::base::nil;
102        use cocoa::foundation::NSProcessInfo;
103
104        unsafe {
105            let process_info = cocoa::foundation::NSProcessInfo::processInfo(nil);
106            let version = process_info.operatingSystemVersion();
107            gpui::SemanticVersion::new(
108                version.majorVersion as usize,
109                version.minorVersion as usize,
110                version.patchVersion as usize,
111            )
112            .to_string()
113        }
114    }
115    #[cfg(any(target_os = "linux", target_os = "freebsd"))]
116    {
117        use std::path::Path;
118
119        let content = if let Ok(file) = std::fs::read_to_string(&Path::new("/etc/os-release")) {
120            file
121        } else if let Ok(file) = std::fs::read_to_string(&Path::new("/usr/lib/os-release")) {
122            file
123        } else {
124            log::error!("Failed to load /etc/os-release, /usr/lib/os-release");
125            "".to_string()
126        };
127        let mut name = "unknown";
128        let mut version = "unknown";
129
130        for line in content.lines() {
131            match line.split_once('=') {
132                Some(("ID", val)) => name = val.trim_matches('"'),
133                Some(("VERSION_ID", val)) => version = val.trim_matches('"'),
134                _ => {}
135            }
136        }
137
138        format!("{} {}", name, version)
139    }
140
141    #[cfg(target_os = "windows")]
142    {
143        let mut info = unsafe { std::mem::zeroed() };
144        let status = unsafe { windows::Wdk::System::SystemServices::RtlGetVersion(&mut info) };
145        if status.is_ok() {
146            gpui::SemanticVersion::new(
147                info.dwMajorVersion as _,
148                info.dwMinorVersion as _,
149                info.dwBuildNumber as _,
150            )
151            .to_string()
152        } else {
153            "unknown".to_string()
154        }
155    }
156}
157
158impl Telemetry {
159    pub fn new(
160        clock: Arc<dyn SystemClock>,
161        client: Arc<HttpClientWithUrl>,
162        cx: &mut App,
163    ) -> Arc<Self> {
164        let release_channel =
165            ReleaseChannel::try_global(cx).map(|release_channel| release_channel.display_name());
166
167        TelemetrySettings::register(cx);
168
169        let state = Arc::new(Mutex::new(TelemetryState {
170            settings: *TelemetrySettings::get_global(cx),
171            architecture: env::consts::ARCH,
172            release_channel,
173            system_id: None,
174            installation_id: None,
175            session_id: None,
176            metrics_id: None,
177            events_queue: Vec::new(),
178            flush_events_task: None,
179            log_file: None,
180            is_staff: None,
181            first_event_date_time: None,
182            event_coalescer: EventCoalescer::new(clock.clone()),
183            max_queue_size: MAX_QUEUE_LEN,
184            worktrees_with_project_type_events_sent: HashSet::new(),
185
186            os_version: None,
187            os_name: os_name(),
188            app_version: release_channel::AppVersion::global(cx).to_string(),
189        }));
190        Self::log_file_path();
191
192        cx.background_spawn({
193            let state = state.clone();
194            let os_version = os_version();
195            state.lock().os_version = Some(os_version);
196            async move {
197                if let Some(tempfile) = File::create(Self::log_file_path()).log_err() {
198                    state.lock().log_file = Some(tempfile);
199                }
200            }
201        })
202        .detach();
203
204        cx.observe_global::<SettingsStore>({
205            let state = state.clone();
206
207            move |cx| {
208                let mut state = state.lock();
209                state.settings = *TelemetrySettings::get_global(cx);
210            }
211        })
212        .detach();
213
214        let this = Arc::new(Self {
215            clock,
216            http_client: client,
217            executor: cx.background_executor().clone(),
218            state,
219        });
220
221        let (tx, mut rx) = mpsc::unbounded();
222        ::telemetry::init(tx);
223
224        cx.background_spawn({
225            let this = Arc::downgrade(&this);
226            async move {
227                while let Some(event) = rx.next().await {
228                    let Some(state) = this.upgrade() else { break };
229                    state.report_event(Event::Flexible(event))
230                }
231            }
232        })
233        .detach();
234
235        // We should only ever have one instance of Telemetry, leak the subscription to keep it alive
236        // rather than store in TelemetryState, complicating spawn as subscriptions are not Send
237        std::mem::forget(cx.on_app_quit({
238            let this = this.clone();
239            move |_| this.shutdown_telemetry()
240        }));
241
242        this
243    }
244
245    #[cfg(any(test, feature = "test-support"))]
246    fn shutdown_telemetry(self: &Arc<Self>) -> impl Future<Output = ()> + use<> {
247        Task::ready(())
248    }
249
250    // Skip calling this function in tests.
251    // TestAppContext ends up calling this function on shutdown and it panics when trying to find the TelemetrySettings
252    #[cfg(not(any(test, feature = "test-support")))]
253    fn shutdown_telemetry(self: &Arc<Self>) -> impl Future<Output = ()> + use<> {
254        telemetry::event!("App Closed");
255        // TODO: close final edit period and make sure it's sent
256        Task::ready(())
257    }
258
259    pub fn log_file_path() -> PathBuf {
260        paths::logs_dir().join("telemetry.log")
261    }
262
263    pub fn has_checksum_seed(&self) -> bool {
264        ZED_CLIENT_CHECKSUM_SEED.is_some()
265    }
266
267    pub fn start(
268        self: &Arc<Self>,
269        system_id: Option<String>,
270        installation_id: Option<String>,
271        session_id: String,
272        cx: &App,
273    ) {
274        let mut state = self.state.lock();
275        state.system_id = system_id.map(|id| id.into());
276        state.installation_id = installation_id.map(|id| id.into());
277        state.session_id = Some(session_id);
278        state.app_version = release_channel::AppVersion::global(cx).to_string();
279        state.os_name = os_name();
280    }
281
282    pub fn metrics_enabled(self: &Arc<Self>) -> bool {
283        let state = self.state.lock();
284        let enabled = state.settings.metrics;
285        drop(state);
286        enabled
287    }
288
289    pub fn set_authenticated_user_info(
290        self: &Arc<Self>,
291        metrics_id: Option<String>,
292        is_staff: bool,
293    ) {
294        let mut state = self.state.lock();
295
296        if !state.settings.metrics {
297            return;
298        }
299
300        let metrics_id: Option<Arc<str>> = metrics_id.map(|id| id.into());
301        state.metrics_id.clone_from(&metrics_id);
302        state.is_staff = Some(is_staff);
303        drop(state);
304    }
305
306    pub fn report_assistant_event(self: &Arc<Self>, event: AssistantEventData) {
307        let event_type = match event.phase {
308            AssistantPhase::Response => "Assistant Responded",
309            AssistantPhase::Invoked => "Assistant Invoked",
310            AssistantPhase::Accepted => "Assistant Response Accepted",
311            AssistantPhase::Rejected => "Assistant Response Rejected",
312        };
313
314        telemetry::event!(
315            event_type,
316            conversation_id = event.conversation_id,
317            kind = event.kind,
318            phase = event.phase,
319            message_id = event.message_id,
320            model = event.model,
321            model_provider = event.model_provider,
322            response_latency = event.response_latency,
323            error_message = event.error_message,
324            language_name = event.language_name,
325        );
326    }
327
328    pub fn log_edit_event(self: &Arc<Self>, environment: &'static str, is_via_ssh: bool) {
329        let mut state = self.state.lock();
330        let period_data = state.event_coalescer.log_event(environment);
331        drop(state);
332
333        if let Some((start, end, environment)) = period_data {
334            let duration = end
335                .saturating_duration_since(start)
336                .min(Duration::from_secs(60 * 60 * 24))
337                .as_millis() as i64;
338
339            telemetry::event!(
340                "Editor Edited",
341                duration = duration,
342                environment = environment,
343                is_via_ssh = is_via_ssh
344            );
345        }
346    }
347
348    pub fn report_discovered_project_type_events(
349        self: &Arc<Self>,
350        worktree_id: WorktreeId,
351        updated_entries_set: &UpdatedEntriesSet,
352    ) {
353        let project_type_names = self.detect_project_types(worktree_id, updated_entries_set);
354
355        for project_type_name in project_type_names {
356            telemetry::event!("Project Opened", project_type = project_type_name);
357        }
358    }
359
360    fn detect_project_types(
361        self: &Arc<Self>,
362        worktree_id: WorktreeId,
363        updated_entries_set: &UpdatedEntriesSet,
364    ) -> Vec<String> {
365        let mut state = self.state.lock();
366        let mut project_names: HashSet<String> = HashSet::new();
367
368        if state
369            .worktrees_with_project_type_events_sent
370            .contains(&worktree_id)
371        {
372            return project_names.into_iter().collect();
373        }
374
375        for (path, _, _) in updated_entries_set.iter() {
376            let Some(file_name) = path.file_name().and_then(|f| f.to_str()) else {
377                continue;
378            };
379
380            if file_name == "pnpm-lock.yaml" {
381                project_names.insert("pnpm".to_string());
382            } else if file_name == "yarn.lock" {
383                project_names.insert("yarn".to_string());
384            } else if file_name == "package.json" {
385                project_names.insert("node".to_string());
386            } else if DOTNET_PROJECT_FILES_REGEX.is_match(file_name) {
387                project_names.insert("dotnet".to_string());
388            }
389        }
390
391        if !project_names.is_empty() {
392            state
393                .worktrees_with_project_type_events_sent
394                .insert(worktree_id);
395        }
396
397        let mut project_names_vec: Vec<String> = project_names.into_iter().collect();
398        project_names_vec.sort();
399        project_names_vec
400    }
401
402    fn report_event(self: &Arc<Self>, event: Event) {
403        let mut state = self.state.lock();
404        // RUST_LOG=telemetry=trace to debug telemetry events
405        log::trace!(target: "telemetry", "{:?}", event);
406
407        if !state.settings.metrics {
408            return;
409        }
410
411        if state.flush_events_task.is_none() {
412            let this = self.clone();
413            state.flush_events_task = Some(self.executor.spawn(async move {
414                this.executor.timer(FLUSH_INTERVAL).await;
415                this.flush_events().detach();
416            }));
417        }
418
419        let date_time = self.clock.utc_now();
420
421        let milliseconds_since_first_event = match state.first_event_date_time {
422            Some(first_event_date_time) => date_time
423                .saturating_duration_since(first_event_date_time)
424                .min(Duration::from_secs(60 * 60 * 24))
425                .as_millis() as i64,
426            None => {
427                state.first_event_date_time = Some(date_time);
428                0
429            }
430        };
431
432        let signed_in = state.metrics_id.is_some();
433        state.events_queue.push(EventWrapper {
434            signed_in,
435            milliseconds_since_first_event,
436            event,
437        });
438
439        if state.installation_id.is_some() && state.events_queue.len() >= state.max_queue_size {
440            drop(state);
441            self.flush_events().detach();
442        }
443    }
444
445    pub fn metrics_id(self: &Arc<Self>) -> Option<Arc<str>> {
446        self.state.lock().metrics_id.clone()
447    }
448
449    pub fn system_id(self: &Arc<Self>) -> Option<Arc<str>> {
450        self.state.lock().system_id.clone()
451    }
452
453    pub fn installation_id(self: &Arc<Self>) -> Option<Arc<str>> {
454        self.state.lock().installation_id.clone()
455    }
456
457    pub fn is_staff(self: &Arc<Self>) -> Option<bool> {
458        self.state.lock().is_staff
459    }
460
461    fn build_request(
462        self: &Arc<Self>,
463        // We take in the JSON bytes buffer so we can reuse the existing allocation.
464        mut json_bytes: Vec<u8>,
465        event_request: &EventRequestBody,
466    ) -> Result<Request<AsyncBody>> {
467        json_bytes.clear();
468        serde_json::to_writer(&mut json_bytes, event_request)?;
469
470        let checksum = calculate_json_checksum(&json_bytes).unwrap_or_default();
471
472        Ok(Request::builder()
473            .method(Method::POST)
474            .uri(
475                self.http_client
476                    .build_zed_api_url("/telemetry/events", &[])?
477                    .as_ref(),
478            )
479            .header("Content-Type", "application/json")
480            .header("x-zed-checksum", checksum)
481            .body(json_bytes.into())?)
482    }
483
484    pub fn flush_events(self: &Arc<Self>) -> Task<()> {
485        let mut state = self.state.lock();
486        state.first_event_date_time = None;
487        let events = mem::take(&mut state.events_queue);
488        state.flush_events_task.take();
489        drop(state);
490        if events.is_empty() {
491            return Task::ready(());
492        }
493
494        let this = self.clone();
495        self.executor.spawn(
496            async move {
497                let mut json_bytes = Vec::new();
498
499                if let Some(file) = &mut this.state.lock().log_file {
500                    for event in &events {
501                        json_bytes.clear();
502                        serde_json::to_writer(&mut json_bytes, event)?;
503                        file.write_all(&json_bytes)?;
504                        file.write_all(b"\n")?;
505                    }
506                }
507
508                let request_body = {
509                    let state = this.state.lock();
510
511                    EventRequestBody {
512                        system_id: state.system_id.as_deref().map(Into::into),
513                        installation_id: state.installation_id.as_deref().map(Into::into),
514                        session_id: state.session_id.clone(),
515                        metrics_id: state.metrics_id.as_deref().map(Into::into),
516                        is_staff: state.is_staff,
517                        app_version: state.app_version.clone(),
518                        os_name: state.os_name.clone(),
519                        os_version: state.os_version.clone(),
520                        architecture: state.architecture.to_string(),
521
522                        release_channel: state.release_channel.map(Into::into),
523                        events,
524                    }
525                };
526
527                let request = this.build_request(json_bytes, &request_body)?;
528                let response = this.http_client.send(request).await?;
529                if response.status() != 200 {
530                    log::error!("Failed to send events: HTTP {:?}", response.status());
531                }
532                anyhow::Ok(())
533            }
534            .log_err()
535            .map(|_| ()),
536        )
537    }
538}
539
540pub fn calculate_json_checksum(json: &impl AsRef<[u8]>) -> Option<String> {
541    let Some(checksum_seed) = &*ZED_CLIENT_CHECKSUM_SEED else {
542        return None;
543    };
544
545    let mut summer = Sha256::new();
546    summer.update(checksum_seed);
547    summer.update(json);
548    summer.update(checksum_seed);
549    let mut checksum = String::new();
550    for byte in summer.finalize().as_slice() {
551        use std::fmt::Write;
552        write!(&mut checksum, "{:02x}", byte).unwrap();
553    }
554
555    Some(checksum)
556}
557
558#[cfg(test)]
559mod tests {
560    use super::*;
561    use clock::FakeSystemClock;
562    use gpui::TestAppContext;
563    use http_client::FakeHttpClient;
564    use std::collections::HashMap;
565    use telemetry_events::FlexibleEvent;
566    use worktree::{PathChange, ProjectEntryId, WorktreeId};
567
568    #[gpui::test]
569    fn test_telemetry_flush_on_max_queue_size(cx: &mut TestAppContext) {
570        init_test(cx);
571        let clock = Arc::new(FakeSystemClock::new());
572        let http = FakeHttpClient::with_200_response();
573        let system_id = Some("system_id".to_string());
574        let installation_id = Some("installation_id".to_string());
575        let session_id = "session_id".to_string();
576
577        cx.update(|cx| {
578            let telemetry = Telemetry::new(clock.clone(), http, cx);
579
580            telemetry.state.lock().max_queue_size = 4;
581            telemetry.start(system_id, installation_id, session_id, cx);
582
583            assert!(is_empty_state(&telemetry));
584
585            let first_date_time = clock.utc_now();
586            let event_properties = HashMap::from_iter([(
587                "test_key".to_string(),
588                serde_json::Value::String("test_value".to_string()),
589            )]);
590
591            let event = FlexibleEvent {
592                event_type: "test".to_string(),
593                event_properties,
594            };
595
596            telemetry.report_event(Event::Flexible(event.clone()));
597            assert_eq!(telemetry.state.lock().events_queue.len(), 1);
598            assert!(telemetry.state.lock().flush_events_task.is_some());
599            assert_eq!(
600                telemetry.state.lock().first_event_date_time,
601                Some(first_date_time)
602            );
603
604            clock.advance(Duration::from_millis(100));
605
606            telemetry.report_event(Event::Flexible(event.clone()));
607            assert_eq!(telemetry.state.lock().events_queue.len(), 2);
608            assert!(telemetry.state.lock().flush_events_task.is_some());
609            assert_eq!(
610                telemetry.state.lock().first_event_date_time,
611                Some(first_date_time)
612            );
613
614            clock.advance(Duration::from_millis(100));
615
616            telemetry.report_event(Event::Flexible(event.clone()));
617            assert_eq!(telemetry.state.lock().events_queue.len(), 3);
618            assert!(telemetry.state.lock().flush_events_task.is_some());
619            assert_eq!(
620                telemetry.state.lock().first_event_date_time,
621                Some(first_date_time)
622            );
623
624            clock.advance(Duration::from_millis(100));
625
626            // Adding a 4th event should cause a flush
627            telemetry.report_event(Event::Flexible(event));
628            assert!(is_empty_state(&telemetry));
629        });
630    }
631
632    #[gpui::test]
633    async fn test_telemetry_flush_on_flush_interval(
634        executor: BackgroundExecutor,
635        cx: &mut TestAppContext,
636    ) {
637        init_test(cx);
638        let clock = Arc::new(FakeSystemClock::new());
639        let http = FakeHttpClient::with_200_response();
640        let system_id = Some("system_id".to_string());
641        let installation_id = Some("installation_id".to_string());
642        let session_id = "session_id".to_string();
643
644        cx.update(|cx| {
645            let telemetry = Telemetry::new(clock.clone(), http, cx);
646            telemetry.state.lock().max_queue_size = 4;
647            telemetry.start(system_id, installation_id, session_id, cx);
648
649            assert!(is_empty_state(&telemetry));
650            let first_date_time = clock.utc_now();
651
652            let event_properties = HashMap::from_iter([(
653                "test_key".to_string(),
654                serde_json::Value::String("test_value".to_string()),
655            )]);
656
657            let event = FlexibleEvent {
658                event_type: "test".to_string(),
659                event_properties,
660            };
661
662            telemetry.report_event(Event::Flexible(event));
663            assert_eq!(telemetry.state.lock().events_queue.len(), 1);
664            assert!(telemetry.state.lock().flush_events_task.is_some());
665            assert_eq!(
666                telemetry.state.lock().first_event_date_time,
667                Some(first_date_time)
668            );
669
670            let duration = Duration::from_millis(1);
671
672            // Test 1 millisecond before the flush interval limit is met
673            executor.advance_clock(FLUSH_INTERVAL - duration);
674
675            assert!(!is_empty_state(&telemetry));
676
677            // Test the exact moment the flush interval limit is met
678            executor.advance_clock(duration);
679
680            assert!(is_empty_state(&telemetry));
681        });
682    }
683
684    #[gpui::test]
685    fn test_project_discovery_does_not_double_report(cx: &mut gpui::TestAppContext) {
686        init_test(cx);
687
688        let clock = Arc::new(FakeSystemClock::new());
689        let http = FakeHttpClient::with_200_response();
690        let telemetry = cx.update(|cx| Telemetry::new(clock.clone(), http, cx));
691        let worktree_id = 1;
692
693        // First scan of worktree 1 returns project types
694        test_project_discovery_helper(
695            telemetry.clone(),
696            vec!["package.json"],
697            vec!["node"],
698            worktree_id,
699        );
700
701        // Rescan of worktree 1 returns nothing as it has already been reported
702        test_project_discovery_helper(telemetry.clone(), vec!["package.json"], vec![], worktree_id);
703    }
704
705    #[gpui::test]
706    fn test_pnpm_project_discovery(cx: &mut gpui::TestAppContext) {
707        init_test(cx);
708
709        let clock = Arc::new(FakeSystemClock::new());
710        let http = FakeHttpClient::with_200_response();
711        let telemetry = cx.update(|cx| Telemetry::new(clock.clone(), http, cx));
712
713        test_project_discovery_helper(
714            telemetry.clone(),
715            vec!["package.json", "pnpm-lock.yaml"],
716            vec!["node", "pnpm"],
717            1,
718        );
719    }
720
721    #[gpui::test]
722    fn test_yarn_project_discovery(cx: &mut gpui::TestAppContext) {
723        init_test(cx);
724
725        let clock = Arc::new(FakeSystemClock::new());
726        let http = FakeHttpClient::with_200_response();
727        let telemetry = cx.update(|cx| Telemetry::new(clock.clone(), http, cx));
728
729        test_project_discovery_helper(
730            telemetry.clone(),
731            vec!["package.json", "yarn.lock"],
732            vec!["node", "yarn"],
733            1,
734        );
735    }
736
737    #[gpui::test]
738    fn test_dotnet_project_discovery(cx: &mut gpui::TestAppContext) {
739        init_test(cx);
740
741        let clock = Arc::new(FakeSystemClock::new());
742        let http = FakeHttpClient::with_200_response();
743        let telemetry = cx.update(|cx| Telemetry::new(clock.clone(), http, cx));
744
745        // Using different worktrees, as production code blocks from reporting a
746        // project type for the same worktree multiple times
747
748        test_project_discovery_helper(
749            telemetry.clone().clone(),
750            vec!["global.json"],
751            vec!["dotnet"],
752            1,
753        );
754        test_project_discovery_helper(
755            telemetry.clone(),
756            vec!["Directory.Build.props"],
757            vec!["dotnet"],
758            2,
759        );
760        test_project_discovery_helper(telemetry.clone(), vec!["file.csproj"], vec!["dotnet"], 3);
761        test_project_discovery_helper(telemetry.clone(), vec!["file.fsproj"], vec!["dotnet"], 4);
762        test_project_discovery_helper(telemetry.clone(), vec!["file.vbproj"], vec!["dotnet"], 5);
763        test_project_discovery_helper(telemetry.clone(), vec!["file.sln"], vec!["dotnet"], 6);
764
765        // Each worktree should only send a single project type event, even when
766        // encountering multiple files associated with that project type
767        test_project_discovery_helper(
768            telemetry,
769            vec!["global.json", "Directory.Build.props"],
770            vec!["dotnet"],
771            7,
772        );
773    }
774
775    // TODO:
776    // Test settings
777    // Update FakeHTTPClient to keep track of the number of requests and assert on it
778
779    fn init_test(cx: &mut TestAppContext) {
780        cx.update(|cx| {
781            let settings_store = SettingsStore::test(cx);
782            cx.set_global(settings_store);
783        });
784    }
785
786    fn is_empty_state(telemetry: &Telemetry) -> bool {
787        telemetry.state.lock().events_queue.is_empty()
788            && telemetry.state.lock().flush_events_task.is_none()
789            && telemetry.state.lock().first_event_date_time.is_none()
790    }
791
792    fn test_project_discovery_helper(
793        telemetry: Arc<Telemetry>,
794        file_paths: Vec<&str>,
795        expected_project_types: Vec<&str>,
796        worktree_id_num: usize,
797    ) {
798        let worktree_id = WorktreeId::from_usize(worktree_id_num);
799        let entries: Vec<_> = file_paths
800            .into_iter()
801            .enumerate()
802            .map(|(i, path)| {
803                (
804                    Arc::from(std::path::Path::new(path)),
805                    ProjectEntryId::from_proto(i as u64 + 1),
806                    PathChange::Added,
807                )
808            })
809            .collect();
810        let updated_entries: UpdatedEntriesSet = Arc::from(entries.as_slice());
811
812        let mut detected_types = telemetry.detect_project_types(worktree_id, &updated_entries);
813        detected_types.sort();
814
815        let mut expected_sorted = expected_project_types
816            .into_iter()
817            .map(String::from)
818            .collect::<Vec<_>>();
819        expected_sorted.sort();
820
821        assert_eq!(detected_types, expected_sorted);
822    }
823}