eval.rs

  1mod assertions;
  2mod example;
  3mod examples;
  4mod explorer;
  5mod ids;
  6mod instance;
  7mod tool_metrics;
  8
  9use assertions::{AssertionsReport, display_error_row};
 10use instance::{ExampleInstance, JudgeOutput, RunOutput, run_git};
 11use language_extension::LspAccess;
 12pub(crate) use tool_metrics::*;
 13
 14use ::fs::RealFs;
 15use clap::Parser;
 16use client::{Client, ProxySettings, UserStore};
 17use collections::{HashMap, HashSet};
 18use extension::ExtensionHostProxy;
 19use futures::future;
 20use gpui::http_client::read_proxy_from_env;
 21use gpui::{App, AppContext, Application, AsyncApp, Entity, UpdateGlobal};
 22use gpui_tokio::Tokio;
 23use language::LanguageRegistry;
 24use language_model::{ConfiguredModel, LanguageModel, LanguageModelRegistry, SelectedModel};
 25use node_runtime::{NodeBinaryOptions, NodeRuntime};
 26use project::project_settings::ProjectSettings;
 27use prompt_store::PromptBuilder;
 28use release_channel::AppVersion;
 29use reqwest_client::ReqwestClient;
 30use settings::{Settings, SettingsStore};
 31use std::cell::RefCell;
 32use std::collections::VecDeque;
 33use std::env;
 34use std::path::{Path, PathBuf};
 35use std::rc::Rc;
 36use std::str::FromStr;
 37use std::sync::{Arc, LazyLock};
 38use util::ResultExt as _;
 39
 40static CARGO_MANIFEST_DIR: LazyLock<PathBuf> =
 41    LazyLock::new(|| PathBuf::from(env!("CARGO_MANIFEST_DIR")));
 42
 43#[derive(Parser, Debug)]
 44#[command(name = "eval", disable_version_flag = true)]
 45struct Args {
 46    /// Runs all examples and threads that contain these substrings. If unspecified, all examples and threads are run.
 47    #[arg(value_name = "EXAMPLE_SUBSTRING")]
 48    filter: Vec<String>,
 49    /// provider/model to use for agent
 50    #[arg(long, default_value = "anthropic/claude-3-7-sonnet-latest")]
 51    model: String,
 52    /// provider/model to use for judges
 53    #[arg(long, default_value = "anthropic/claude-3-7-sonnet-latest")]
 54    judge_model: String,
 55    #[arg(long, value_delimiter = ',', default_value = "rs,ts,py")]
 56    languages: Vec<String>,
 57    /// How many times to run each example.
 58    #[arg(long, default_value = "8")]
 59    repetitions: usize,
 60    /// Maximum number of examples to run concurrently.
 61    #[arg(long, default_value = "4")]
 62    concurrency: usize,
 63    /// Output current environment variables as JSON to stdout
 64    #[arg(long, hide = true)]
 65    printenv: bool,
 66}
 67
 68fn main() {
 69    let args = Args::parse();
 70
 71    // This prevents errors showing up in the logs, because
 72    // project::environment::load_shell_environment() calls
 73    // std::env::current_exe().unwrap() --printenv
 74    if args.printenv {
 75        util::shell_env::print_env();
 76        return;
 77    }
 78
 79    dotenvy::from_filename(CARGO_MANIFEST_DIR.join(".env")).ok();
 80
 81    env_logger::init();
 82
 83    let system_id = ids::get_or_create_id(&ids::eval_system_id_path()).ok();
 84    let installation_id = ids::get_or_create_id(&ids::eval_installation_id_path()).ok();
 85    let session_id = uuid::Uuid::new_v4().to_string();
 86    let run_timestamp = chrono::Local::now().format("%Y-%m-%d_%H-%M-%S");
 87    let run_id = match env::var("GITHUB_RUN_ID") {
 88        Ok(run_id) => format!("github/{}", run_id),
 89        Err(_) => format!("local/{}", run_timestamp),
 90    };
 91
 92    let root_dir = Path::new(std::env!("CARGO_MANIFEST_DIR"))
 93        .parent()
 94        .unwrap()
 95        .parent()
 96        .unwrap()
 97        .canonicalize()
 98        .unwrap();
 99    let eval_crate_dir = root_dir.join("crates").join("eval");
100    let repos_dir = eval_crate_dir.join("repos");
101    let worktrees_dir = eval_crate_dir.join("worktrees");
102    let examples_dir = eval_crate_dir.join("src").join("examples");
103    let run_dir = eval_crate_dir
104        .join("runs")
105        .join(format!("{}", run_timestamp));
106    std::fs::create_dir_all(&run_dir).unwrap();
107    std::fs::create_dir_all(&repos_dir).unwrap();
108    std::fs::create_dir_all(&worktrees_dir).unwrap();
109    std::fs::create_dir_all(&examples_dir).unwrap();
110    std::fs::create_dir_all(&paths::config_dir()).unwrap();
111
112    let zed_commit_sha = commit_sha_for_path(&root_dir);
113    let zed_branch_name = git_branch_for_path(&root_dir);
114    let languages: HashSet<String> = args.languages.into_iter().collect();
115
116    let http_client = Arc::new(ReqwestClient::new());
117    let app = Application::headless().with_http_client(http_client);
118    let all_threads = examples::all(&examples_dir);
119
120    app.run(move |cx| {
121        let app_state = init(cx);
122
123        let telemetry = app_state.client.telemetry();
124        telemetry.start(system_id, installation_id, session_id, cx);
125
126        let enable_telemetry = env::var("ZED_EVAL_TELEMETRY").is_ok_and(|value| value == "1")
127            && telemetry.has_checksum_seed();
128        if enable_telemetry {
129            println!("Telemetry enabled");
130            telemetry::event!(
131                "Agent Eval Started",
132                zed_commit_sha = zed_commit_sha,
133                zed_branch_name = zed_branch_name,
134                run_id = run_id,
135            );
136        }
137
138        let mut cumulative_tool_metrics = ToolMetrics::default();
139
140        let tasks = LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
141            registry.providers().iter().map(|p| p.authenticate(cx)).collect::<Vec<_>>()
142        });
143
144        cx.spawn(async move |cx| {
145            future::join_all(tasks).await;
146            let judge_model = cx.update(|cx| {
147                let agent_model = load_model(&args.model, cx).unwrap();
148                let judge_model = load_model(&args.judge_model, cx).unwrap();
149                LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
150                    registry.set_default_model(Some(agent_model.clone()), cx);
151                });
152                judge_model
153            })?;
154
155            let mut examples = Vec::new();
156
157            const COLORS: [&str; 12] = [
158                "\x1b[31m", // Red
159                "\x1b[32m", // Green
160                "\x1b[33m", // Yellow
161                "\x1b[34m", // Blue
162                "\x1b[35m", // Magenta
163                "\x1b[36m", // Cyan
164                "\x1b[91m", // Bright Red
165                "\x1b[92m", // Bright Green
166                "\x1b[93m", // Bright Yellow
167                "\x1b[94m", // Bright Blue
168                "\x1b[95m", // Bright Magenta
169                "\x1b[96m", // Bright Cyan
170            ];
171
172            let mut skipped = Vec::new();
173
174            for thread in all_threads {
175                let meta = thread.meta();
176                if !args.filter.is_empty() && !args.filter.iter().any(|sub| meta.name.contains(sub))
177                {
178                    skipped.push(meta.name);
179                    continue;
180                }
181
182                if let Some(language) = meta.language_server
183                    && !languages.contains(&language.file_extension) {
184                        panic!(
185                            "Eval for {:?} could not be run because no language server was found for extension {:?}",
186                            meta.name,
187                            language.file_extension
188                        );
189                    }
190
191                // TODO: This creates a worktree per repetition. Ideally these examples should
192                // either be run sequentially on the same worktree, or reuse worktrees when there
193                // are more examples to run than the concurrency limit.
194                for repetition_number in 0..args.repetitions {
195                    let example_instance = ExampleInstance::new(
196                        thread.clone(),
197                        &repos_dir,
198                        &run_dir,
199                        &worktrees_dir,
200                        repetition_number,
201                    );
202
203                    examples.push(example_instance);
204                }
205            }
206
207            if !skipped.is_empty() {
208                println!("Skipped threads: {}", skipped.join(", "));
209            }
210
211            if examples.is_empty() {
212                eprintln!("Filter matched no examples");
213                return cx.update(|cx| cx.quit());
214            }
215
216            let mut repo_urls = HashSet::default();
217            let mut clone_tasks = Vec::new();
218
219            let max_name_width = examples
220                .iter()
221                .map(|e| e.worktree_name().len())
222                .max()
223                .unwrap_or(0);
224
225            for (i, example_instance) in examples.iter_mut().enumerate() {
226                let color = COLORS[i % COLORS.len()].to_string();
227                example_instance.set_log_prefix_style(&color, max_name_width);
228
229                println!(
230                    "{}Logging to: {}",
231                    example_instance.log_prefix,
232                    example_instance.run_directory.display()
233                );
234
235                let repo_url = example_instance.repo_url();
236                if repo_urls.insert(repo_url.clone()) {
237                    let repo_path = example_instance.repo_path.clone();
238
239                    if !repo_path.join(".git").is_dir() {
240                        println!(
241                            "{:<width$} < {}",
242                            "↓ Cloning",
243                            repo_url,
244                            width = max_name_width
245                        );
246
247                        let git_task = cx.spawn(async move |_cx| {
248                            std::fs::create_dir_all(&repo_path)?;
249                            run_git(&repo_path, &["init"]).await?;
250                            run_git(&repo_path, &["remote", "add", "origin", &repo_url]).await
251                        });
252
253                        clone_tasks.push(git_task);
254                    } else {
255                        println!(
256                            "{:<width$}  < {}",
257                            "✔︎ Already cloned",
258                            repo_url,
259                            width = max_name_width
260                        );
261
262                        let actual_origin =
263                            run_git(&repo_path, &["remote", "get-url", "origin"]).await?;
264                        anyhow::ensure!(
265                            actual_origin == repo_url,
266                            "remote origin {actual_origin} does not match expected origin {repo_url}"
267                        );
268                    }
269                }
270            }
271
272            future::join_all(clone_tasks).await;
273
274            for example_instance in examples.iter_mut() {
275                example_instance.fetch().await?;
276            }
277
278            let examples = Rc::new(RefCell::new(VecDeque::from(examples)));
279            let results_by_example_name = Rc::new(RefCell::new(HashMap::default()));
280
281            future::join_all((0..args.concurrency).map(|_| {
282                let app_state = app_state.clone();
283                let judge_model = judge_model.model.clone();
284                let zed_commit_sha = zed_commit_sha.clone();
285                let zed_branch_name = zed_branch_name.clone();
286                let run_id = run_id.clone();
287                let examples = examples.clone();
288                let results = results_by_example_name.clone();
289                cx.spawn(async move |cx| {
290                    loop {
291                        let Some(mut example) = examples.borrow_mut().pop_front() else {
292                            break;
293                        };
294                        let result = async {
295                            example.setup().await?;
296                            let run_output = cx
297                                .update(|cx| example.run(app_state.clone(), cx))?
298                                .await?;
299                            let judge_output = judge_example(
300                                example.clone(),
301                                judge_model.clone(),
302                                &zed_commit_sha,
303                                &zed_branch_name,
304                                &run_id,
305                                &run_output,
306                                enable_telemetry,
307                                cx,
308                            )
309                            .await;
310                            anyhow::Ok((run_output, judge_output))
311                        }
312                        .await;
313                        results
314                            .borrow_mut()
315                            .entry(example.name.clone())
316                            .or_insert(Vec::new())
317                            .push((example.clone(), result));
318                    }
319                })
320            }))
321            .await;
322
323            print_report(
324                &mut results_by_example_name.borrow_mut(),
325                &mut cumulative_tool_metrics,
326                &run_dir,
327            )?;
328
329            app_state.client.telemetry().flush_events().await;
330
331            cx.update(|cx| cx.quit())
332        })
333        .detach_and_log_err(cx);
334    });
335}
336
337/// Subset of `workspace::AppState` needed by `HeadlessAssistant`, with additional fields.
338pub struct AgentAppState {
339    pub languages: Arc<LanguageRegistry>,
340    pub client: Arc<Client>,
341    pub user_store: Entity<UserStore>,
342    pub fs: Arc<dyn fs::Fs>,
343    pub node_runtime: NodeRuntime,
344
345    // Additional fields not present in `workspace::AppState`.
346    pub prompt_builder: Arc<PromptBuilder>,
347}
348
349pub fn init(cx: &mut App) -> Arc<AgentAppState> {
350    let app_version = AppVersion::load(env!("ZED_PKG_VERSION"));
351    release_channel::init(app_version, cx);
352    gpui_tokio::init(cx);
353
354    let settings_store = SettingsStore::new(cx, &settings::default_settings());
355    cx.set_global(settings_store);
356
357    // Set User-Agent so we can download language servers from GitHub
358    let user_agent = format!(
359        "Zed Agent Eval/{} ({}; {})",
360        app_version,
361        std::env::consts::OS,
362        std::env::consts::ARCH
363    );
364    let proxy_str = ProxySettings::get_global(cx).proxy.to_owned();
365    let proxy_url = proxy_str
366        .as_ref()
367        .and_then(|input| input.parse().ok())
368        .or_else(read_proxy_from_env);
369    let http = {
370        let _guard = Tokio::handle(cx).enter();
371
372        ReqwestClient::proxy_and_user_agent(proxy_url, &user_agent)
373            .expect("could not start HTTP client")
374    };
375    cx.set_http_client(Arc::new(http));
376
377    let client = Client::production(cx);
378    cx.set_http_client(client.http_client());
379
380    let git_binary_path = None;
381    let fs = Arc::new(RealFs::new(
382        git_binary_path,
383        cx.background_executor().clone(),
384    ));
385
386    let mut languages = LanguageRegistry::new(cx.background_executor().clone());
387    languages.set_language_server_download_dir(paths::languages_dir().clone());
388    let languages = Arc::new(languages);
389
390    let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
391
392    extension::init(cx);
393
394    let (mut tx, rx) = watch::channel(None);
395    cx.observe_global::<SettingsStore>(move |cx| {
396        let settings = &ProjectSettings::get_global(cx).node;
397        let options = NodeBinaryOptions {
398            allow_path_lookup: !settings.ignore_system_version,
399            allow_binary_download: true,
400            use_paths: settings.path.as_ref().map(|node_path| {
401                let node_path = PathBuf::from(shellexpand::tilde(node_path).as_ref());
402                let npm_path = settings
403                    .npm_path
404                    .as_ref()
405                    .map(|path| PathBuf::from(shellexpand::tilde(&path).as_ref()));
406                (
407                    node_path.clone(),
408                    npm_path.unwrap_or_else(|| {
409                        let base_path = PathBuf::new();
410                        node_path.parent().unwrap_or(&base_path).join("npm")
411                    }),
412                )
413            }),
414        };
415        tx.send(Some(options)).log_err();
416    })
417    .detach();
418    let node_runtime = NodeRuntime::new(client.http_client(), None, rx);
419
420    let extension_host_proxy = ExtensionHostProxy::global(cx);
421    debug_adapter_extension::init(extension_host_proxy.clone(), cx);
422    language_extension::init(LspAccess::Noop, extension_host_proxy, languages.clone());
423    language_model::init(client.clone(), cx);
424    language_models::init(user_store.clone(), client.clone(), cx);
425    languages::init(languages.clone(), fs.clone(), node_runtime.clone(), cx);
426    prompt_store::init(cx);
427    terminal_view::init(cx);
428    let stdout_is_a_pty = false;
429    let prompt_builder = PromptBuilder::load(fs.clone(), stdout_is_a_pty, cx);
430    agent_ui::init(
431        fs.clone(),
432        client.clone(),
433        prompt_builder.clone(),
434        languages.clone(),
435        true,
436        cx,
437    );
438
439    SettingsStore::update_global(cx, |store, cx| {
440        store.set_user_settings(include_str!("../runner_settings.json"), cx)
441    })
442    .unwrap();
443
444    Arc::new(AgentAppState {
445        languages,
446        client,
447        user_store,
448        fs,
449        node_runtime,
450        prompt_builder,
451    })
452}
453
454pub fn find_model(
455    model_name: &str,
456    model_registry: &LanguageModelRegistry,
457    cx: &App,
458) -> anyhow::Result<Arc<dyn LanguageModel>> {
459    let selected = SelectedModel::from_str(model_name).map_err(|e| anyhow::anyhow!(e))?;
460    model_registry
461        .available_models(cx)
462        .find(|model| model.id() == selected.model && model.provider_id() == selected.provider)
463        .ok_or_else(|| {
464            anyhow::anyhow!(
465                "No language model with ID {}/{} was available. Available models: {}",
466                selected.provider.0,
467                selected.model.0,
468                model_registry
469                    .available_models(cx)
470                    .map(|model| format!("{}/{}", model.provider_id().0, model.id().0))
471                    .collect::<Vec<_>>()
472                    .join(", ")
473            )
474        })
475}
476
477pub fn load_model(model_name: &str, cx: &mut App) -> anyhow::Result<ConfiguredModel> {
478    let model = {
479        let model_registry = LanguageModelRegistry::read_global(cx);
480        find_model(model_name, model_registry, cx)?
481    };
482
483    let provider = {
484        let model_registry = LanguageModelRegistry::read_global(cx);
485        model_registry
486            .provider(&model.provider_id())
487            .ok_or_else(|| anyhow::anyhow!("Provider not found: {}", model.provider_id()))?
488    };
489
490    Ok(ConfiguredModel {
491        provider: provider.clone(),
492        model: model.clone(),
493    })
494}
495
496pub fn commit_sha_for_path(repo_path: &Path) -> String {
497    futures::executor::block_on(run_git(repo_path, &["rev-parse", "HEAD"])).unwrap()
498}
499
500pub fn git_branch_for_path(repo_path: &Path) -> String {
501    match std::env::var("GITHUB_REF_NAME") {
502        Ok(branch) => branch,
503        Err(_) => {
504            futures::executor::block_on(run_git(repo_path, &["rev-parse", "--abbrev-ref", "HEAD"]))
505                .unwrap_or_else(|_| "unknown".to_string())
506        }
507    }
508}
509
510async fn judge_example(
511    example: ExampleInstance,
512    model: Arc<dyn LanguageModel>,
513    zed_commit_sha: &str,
514    zed_branch_name: &str,
515    run_id: &str,
516    run_output: &RunOutput,
517    enable_telemetry: bool,
518    cx: &AsyncApp,
519) -> JudgeOutput {
520    let judge_output = example.judge(model.clone(), run_output, cx).await;
521
522    if enable_telemetry {
523        telemetry::event!(
524            "Agent Example Evaluated",
525            zed_commit_sha = zed_commit_sha,
526            zed_branch_name = zed_branch_name,
527            run_id = run_id,
528            example_name = example.name.clone(),
529            example_repetition = example.repetition,
530            diff_evaluation = judge_output.diff.clone(),
531            thread_evaluation = judge_output.thread,
532            tool_metrics = run_output.tool_metrics,
533            token_usage = run_output.token_usage,
534            model = model.telemetry_id(),
535            model_provider = model.provider_id().to_string(),
536            repository_url = example.repo_url(),
537            repository_revision = example.revision(),
538            diagnostic_summary_before = run_output.diagnostic_summary_before,
539            diagnostic_summary_after = run_output.diagnostic_summary_after,
540            diagnostics_before = run_output.diagnostics_before,
541            diagnostics_after = run_output.diagnostics_after,
542        );
543    }
544
545    judge_output
546}
547
548const HEADER_WIDTH: usize = 65;
549
550fn print_h1(header: &str) {
551    println!("\n\n{:=^HEADER_WIDTH$}", "");
552    println!("{:^HEADER_WIDTH$}", header);
553    println!("{:=^HEADER_WIDTH$}\n", "");
554}
555
556fn print_h2(header: &str) {
557    println!("\n{:-^HEADER_WIDTH$}", "");
558    println!("{:^HEADER_WIDTH$}", header);
559    println!("{:-^HEADER_WIDTH$}\n", "");
560}
561
562fn print_report(
563    results_by_example_name: &mut HashMap<
564        String,
565        Vec<(ExampleInstance, anyhow::Result<(RunOutput, JudgeOutput)>)>,
566    >,
567    cumulative_tool_metrics: &mut ToolMetrics,
568    run_dir: &Path,
569) -> anyhow::Result<()> {
570    print_h1("EVAL RESULTS");
571
572    let mut diff_scores = Vec::new();
573    let mut thread_scores = Vec::new();
574    let mut programmatic_scores = Vec::new();
575    let mut error_count = 0;
576
577    for (example_name, results) in results_by_example_name.iter_mut() {
578        print_h2(example_name);
579
580        results.sort_unstable_by_key(|(example, _)| example.repetition);
581        let mut example_cumulative_tool_metrics = ToolMetrics::default();
582
583        let mut table_rows = String::new();
584
585        for (example, result) in results.iter() {
586            match result {
587                Err(err) => {
588                    display_error_row(&mut table_rows, example.repetition, err.to_string())?;
589                    error_count += 1;
590                    programmatic_scores.push(0.0);
591                    diff_scores.push(0.0);
592                    thread_scores.push(0.0);
593                }
594                Ok((run_output, judge_output)) => {
595                    cumulative_tool_metrics.merge(&run_output.tool_metrics);
596                    example_cumulative_tool_metrics.merge(&run_output.tool_metrics);
597
598                    if run_output.programmatic_assertions.total_count() > 0 {
599                        for assertion in &run_output.programmatic_assertions.ran {
600                            assertions::display_table_row(
601                                &mut table_rows,
602                                example.repetition,
603                                assertion,
604                            )?;
605                        }
606
607                        programmatic_scores
608                            .push(run_output.programmatic_assertions.passed_percentage())
609                    }
610
611                    if !judge_output.diff.is_empty() {
612                        diff_scores.push(judge_output.diff.passed_percentage());
613
614                        for assertion in &judge_output.diff.ran {
615                            assertions::display_table_row(
616                                &mut table_rows,
617                                example.repetition,
618                                assertion,
619                            )?;
620                        }
621                    }
622
623                    if !judge_output.thread.is_empty() {
624                        thread_scores.push(judge_output.thread.passed_percentage());
625
626                        for assertion in &judge_output.thread.ran {
627                            assertions::display_table_row(
628                                &mut table_rows,
629                                example.repetition,
630                                assertion,
631                            )?;
632                        }
633                    }
634                }
635            }
636        }
637
638        let mut all_asserts = Vec::new();
639
640        if !table_rows.is_empty() {
641            assertions::print_table_header();
642            print!("{}", table_rows);
643
644            assertions::print_table_divider();
645
646            for (example, result) in results.iter() {
647                if let Ok((run_output, judge_output)) = result {
648                    let asserts = [
649                        run_output.programmatic_assertions.clone(),
650                        judge_output.diff.clone(),
651                        judge_output.thread.clone(),
652                    ];
653                    all_asserts.extend_from_slice(&asserts);
654                    assertions::print_table_round_summary(
655                        &example.repetition.to_string(),
656                        asserts.iter(),
657                    )
658                } else if let Err(err) = result {
659                    let assert = AssertionsReport::error(err.to_string());
660                    all_asserts.push(assert.clone());
661                    assertions::print_table_round_summary(
662                        &example.repetition.to_string(),
663                        [assert].iter(),
664                    )
665                }
666            }
667
668            assertions::print_table_divider();
669
670            assertions::print_table_round_summary("avg", all_asserts.iter());
671
672            assertions::print_table_footer();
673        }
674
675        if !example_cumulative_tool_metrics.is_empty() {
676            println!("{}", &example_cumulative_tool_metrics);
677        }
678    }
679
680    if results_by_example_name.len() > 1 {
681        print_h1("AGGREGATE");
682
683        if error_count > 0 {
684            println!("\n{error_count} examples failed to run!");
685        }
686
687        let programmatic_score_count = programmatic_scores.len();
688        if programmatic_score_count > 0 {
689            let average_programmatic_score = (programmatic_scores.into_iter().sum::<f32>()
690                / (programmatic_score_count as f32))
691                .floor();
692            println!("Average programmatic score: {average_programmatic_score}%");
693        }
694
695        let diff_score_count = diff_scores.len();
696        if diff_score_count > 0 {
697            let average_diff_score =
698                (diff_scores.into_iter().sum::<f32>() / (diff_score_count as f32)).floor();
699            println!("Average diff score: {average_diff_score}%");
700        }
701
702        let thread_score_count = thread_scores.len();
703
704        if thread_score_count > 0 {
705            let average_thread_score =
706                (thread_scores.into_iter().sum::<f32>() / (thread_score_count as f32)).floor();
707            println!("Average thread score: {average_thread_score}%");
708        }
709
710        println!();
711
712        print_h2("CUMULATIVE TOOL METRICS");
713        println!("{}", cumulative_tool_metrics);
714    }
715
716    let explorer_output_path = run_dir.join("overview.html");
717    let mut json_paths: Vec<PathBuf> = results_by_example_name
718        .values()
719        .flat_map(|results| {
720            results.iter().map(|(example, _)| {
721                let absolute_path = run_dir.join(example.run_directory.join("last.messages.json"));
722                let cwd = std::env::current_dir().expect("Can't get current dir");
723                pathdiff::diff_paths(&absolute_path, cwd).unwrap_or_else(|| absolute_path.clone())
724            })
725        })
726        .collect::<Vec<_>>();
727    json_paths.sort();
728    if let Err(err) = explorer::generate_explorer_html(&json_paths, &explorer_output_path) {
729        eprintln!("Failed to generate explorer HTML: {}", err);
730    }
731
732    Ok(())
733}