example.rs

  1use agent::{RequestKind, ThreadEvent, ThreadStore};
  2use anyhow::{Context as _, Result, anyhow};
  3use assistant_tool::ToolWorkingSet;
  4use client::proto::LspWorkProgress;
  5use collections::HashMap;
  6use dap::DapRegistry;
  7use futures::channel::mpsc;
  8use futures::{FutureExt, StreamExt as _, select_biased};
  9use gpui::{App, AppContext as _, AsyncApp, Entity, Task};
 10use handlebars::Handlebars;
 11use language::{DiagnosticSeverity, OffsetRangeExt};
 12use language_model::{
 13    LanguageModel, LanguageModelRequest, LanguageModelRequestMessage, MessageContent, Role,
 14    StopReason, TokenUsage,
 15};
 16use project::{LspStore, Project, ProjectPath};
 17use serde::{Deserialize, Serialize};
 18use std::fmt::Write as _;
 19use std::fs::File;
 20use std::io::Write as _;
 21use std::sync::{Arc, Mutex};
 22use std::time::Duration;
 23use std::{
 24    fs,
 25    path::{Path, PathBuf},
 26};
 27use unindent::Unindent as _;
 28use util::ResultExt as _;
 29use util::command::new_smol_command;
 30use util::serde::default_true;
 31
 32use crate::AgentAppState;
 33
 34pub const EXAMPLES_DIR: &str = "./crates/eval/examples";
 35pub const REPOS_DIR: &str = "./crates/eval/repos";
 36pub const WORKTREES_DIR: &str = "./crates/eval/worktrees";
 37
 38const THREAD_EVENT_TIMEOUT: Duration = Duration::from_secs(60 * 2);
 39
 40#[derive(Clone, Debug, Deserialize)]
 41pub struct ExampleBase {
 42    pub url: String,
 43    pub revision: String,
 44    pub language_extension: Option<String>,
 45    pub insert_id: Option<String>,
 46    #[serde(default = "default_true")]
 47    pub require_lsp: bool,
 48}
 49
 50#[derive(Clone, Debug)]
 51pub struct Example {
 52    pub name: String,
 53    /// Content of `base.toml`
 54    pub base: ExampleBase,
 55    /// Content of `prompt.md`
 56    pub prompt: String,
 57    /// Content of `criteria.md`
 58    pub criteria: String,
 59    /// Markdown output file to append to
 60    pub output_file: Option<Arc<Mutex<File>>>,
 61    /// Path to the output run directory.
 62    pub run_dir: PathBuf,
 63    /// Path to markdown output file
 64    pub output_file_path: PathBuf,
 65    /// Prefix used for logging that identifies this example
 66    pub log_prefix: String,
 67}
 68
 69#[derive(Debug, Serialize, Deserialize, Clone)]
 70pub struct RunOutput {
 71    pub repository_diff: String,
 72    pub diagnostics: String,
 73    pub response_count: usize,
 74    pub token_usage: TokenUsage,
 75    pub tool_use_counts: HashMap<Arc<str>, u32>,
 76}
 77
 78#[derive(Debug, Clone, Serialize, Deserialize)]
 79pub struct JudgeInput {
 80    pub repository_diff: String,
 81    pub criteria: String,
 82}
 83
 84#[derive(Debug, Clone, Serialize, Deserialize)]
 85pub struct JudgeOutput {
 86    pub analysis: String,
 87    pub score: u32,
 88}
 89
 90impl Example {
 91    /// Load an example from a directory containing base.toml, prompt.md, and criteria.md
 92    pub fn load_from_directory(dir_path: &Path, run_dir: &Path) -> Result<Self> {
 93        let name = Self::name_from_path(dir_path);
 94        let base_path = dir_path.join("base.toml");
 95        let prompt_path = dir_path.join("prompt.md");
 96        let criteria_path = dir_path.join("criteria.md");
 97        let output_file_path = run_dir.join(format!("{}.md", name));
 98
 99        Ok(Example {
100            name: name.clone(),
101            base: toml::from_str(&fs::read_to_string(&base_path)?)?,
102            prompt: fs::read_to_string(prompt_path.clone())?,
103            criteria: fs::read_to_string(criteria_path.clone())?,
104            run_dir: run_dir.to_path_buf(),
105            output_file: None,
106            output_file_path,
107            log_prefix: name,
108        })
109    }
110
111    pub fn set_repetition_number(&mut self, repetition_number: u32) {
112        if repetition_number > 0 {
113            self.name = format!("{}-{}", self.name, repetition_number);
114            self.output_file_path = self.run_dir.join(format!("{}.md", self.name));
115        }
116    }
117
118    pub fn set_log_prefix_style(&mut self, color: &str, name_width: usize) {
119        self.log_prefix = format!(
120            "{}{:<width$}\x1b[0m | ",
121            color,
122            self.name,
123            width = name_width
124        );
125    }
126
127    pub fn name_from_path(path: &Path) -> String {
128        path.file_name().unwrap().to_string_lossy().to_string()
129    }
130
131    pub fn worktree_path(&self) -> PathBuf {
132        Path::new(WORKTREES_DIR)
133            .canonicalize()
134            .context(format!("No such directory {WORKTREES_DIR}"))
135            .unwrap()
136            .join(&self.name)
137    }
138
139    /// Set up the example by checking out the specified Git revision
140    pub async fn setup(&mut self) -> Result<()> {
141        let repo_path = repo_path_for_url(&self.base.url);
142
143        let revision_exists = run_git(&repo_path, &["rev-parse", "--verify", &self.base.revision])
144            .await
145            .is_ok();
146
147        if !revision_exists {
148            println!(
149                "{}Fetching revision {}",
150                self.log_prefix, &self.base.revision
151            );
152            run_git(
153                &repo_path,
154                &["fetch", "--depth", "1", "origin", &self.base.revision],
155            )
156            .await?;
157        }
158
159        let worktree_path = self.worktree_path();
160
161        if worktree_path.is_dir() {
162            println!("{}Resetting existing worktree", self.log_prefix);
163
164            // TODO: consider including "-x" to remove ignored files. The downside of this is that
165            // it will also remove build artifacts, and so prevent incremental reuse there.
166            run_git(&worktree_path, &["clean", "--force", "-d"]).await?;
167            run_git(&worktree_path, &["reset", "--hard", "HEAD"]).await?;
168            run_git(&worktree_path, &["checkout", &self.base.revision]).await?;
169        } else {
170            println!("{}Creating worktree", self.log_prefix);
171
172            let worktree_path_string = worktree_path.to_string_lossy().to_string();
173
174            run_git(
175                &repo_path,
176                &[
177                    "worktree",
178                    "add",
179                    "-f",
180                    &worktree_path_string,
181                    &self.base.revision,
182                ],
183            )
184            .await?;
185        }
186
187        // Create the output file
188        let output_file = Arc::new(Mutex::new(File::create(&self.output_file_path)?));
189        self.output_file = Some(output_file);
190
191        Ok(())
192    }
193
194    /// Returns the output file, panicking if it's not set
195    fn output_file(&self) -> Arc<Mutex<File>> {
196        self.output_file
197            .clone()
198            .expect("Output file not created. Call setup() first.")
199    }
200
201    pub fn run(
202        &self,
203        model: Arc<dyn LanguageModel>,
204        app_state: Arc<AgentAppState>,
205        cx: &mut App,
206    ) -> Task<Result<RunOutput>> {
207        let project = Project::local(
208            app_state.client.clone(),
209            app_state.node_runtime.clone(),
210            app_state.user_store.clone(),
211            app_state.languages.clone(),
212            Arc::new(DapRegistry::default()),
213            app_state.fs.clone(),
214            None,
215            cx,
216        );
217
218        let worktree_path = self.worktree_path();
219        let worktree = project.update(cx, |project, cx| {
220            project.create_worktree(&worktree_path, true, cx)
221        });
222
223        let tools = cx.new(|_| ToolWorkingSet::default());
224        let thread_store =
225            ThreadStore::load(project.clone(), tools, app_state.prompt_builder.clone(), cx);
226        let this = self.clone();
227
228        cx.spawn(async move |cx| {
229            let worktree = worktree.await?;
230
231            // Wait for worktree scan to finish before choosing a file to open.
232            worktree
233                .update(cx, |worktree, _cx| {
234                    worktree.as_local().unwrap().scan_complete()
235                })?
236                .await;
237
238            let lsp_open_handle_and_store = if this.base.require_lsp {
239                let language_extension = this.base.language_extension.as_deref().context(
240                    "language_extension field is required in base.toml when `require_lsp == true`",
241                )?;
242
243                // Open a file that matches the language to cause LSP to start.
244                let language_file = worktree.read_with(cx, |worktree, _cx| {
245                    worktree
246                        .files(false, 0)
247                        .find_map(|e| {
248                            if e.path.clone().extension().and_then(|ext| ext.to_str())
249                                == Some(language_extension)
250                            {
251                                Some(ProjectPath {
252                                    worktree_id: worktree.id(),
253                                    path: e.path.clone(),
254                                })
255                            } else {
256                                None
257                            }
258                        })
259                        .context("Failed to find a file for example language")
260                })??;
261
262                let open_language_file_buffer_task = project.update(cx, |project, cx| {
263                    project.open_buffer(language_file.clone(), cx)
264                })?;
265
266                let language_file_buffer = open_language_file_buffer_task.await?;
267
268                let (lsp_open_handle, lsp_store) = project.update(cx, |project, cx| {
269                    (
270                        project.register_buffer_with_language_servers(&language_file_buffer, cx),
271                        project.lsp_store().clone(),
272                    )
273                })?;
274
275                // TODO: remove this once the diagnostics tool waits for new diagnostics
276                cx.background_executor().timer(Duration::new(5, 0)).await;
277                wait_for_lang_server(&lsp_store, this.log_prefix.clone(), cx).await?;
278
279                lsp_store.update(cx, |lsp_store, cx| {
280                    lsp_open_handle.update(cx, |buffer, cx| {
281                        buffer.update(cx, |buffer, cx| {
282                            let has_language_server = lsp_store
283                                .language_servers_for_local_buffer(buffer, cx)
284                                .next()
285                                .is_some();
286                            if has_language_server {
287                                Ok(())
288                            } else {
289                                Err(anyhow!(
290                                    "`{:?}` was opened to cause the language server to start, \
291                                    but no language servers are registered for its buffer. \
292                                    Set `require_lsp = false` in `base.toml` to skip this.",
293                                    language_file
294                                ))
295                            }
296                        })
297                    })
298                })??;
299
300                Some((lsp_open_handle, lsp_store))
301            } else {
302                None
303            };
304
305            if std::env::var("ZED_EVAL_SETUP_ONLY").is_ok() {
306                return Err(anyhow!("Setup only mode"));
307            }
308
309            let thread_store = thread_store.await;
310            let thread =
311                thread_store.update(cx, |thread_store, cx| thread_store.create_thread(cx))?;
312
313            {
314                let output_file_ref = this.output_file();
315                let mut output_file = output_file_ref.lock().unwrap();
316                writeln!(&mut output_file, "👤 USER:").log_err();
317                writeln!(&mut output_file, "{}", this.prompt).log_err();
318                writeln!(&mut output_file, "🤖 ASSISTANT:").log_err();
319                output_file.flush().log_err();
320            }
321
322            let tool_use_counts: Arc<Mutex<HashMap<Arc<str>, u32>>> =
323                Mutex::new(HashMap::default()).into();
324
325            let (thread_event_tx, mut thread_event_rx) = mpsc::unbounded();
326
327            let subscription = cx.subscribe(&thread, move |_thread, event: &ThreadEvent, _cx| {
328                thread_event_tx.unbounded_send(event.clone()).log_err();
329            });
330
331            let event_handler_task = cx.spawn({
332                // Need to clone the Arc here because the reference from output_file() won't live long enough
333                let output_file = this.output_file.clone().unwrap();
334                let log_prefix = this.log_prefix.clone();
335                let tool_use_counts = tool_use_counts.clone();
336                let thread = thread.downgrade();
337                async move |cx| {
338                    loop {
339                        let event = select_biased! {
340                            event = thread_event_rx.next() => event,
341                            _ = cx.background_executor().timer(THREAD_EVENT_TIMEOUT).fuse() => {
342                                return Err(anyhow!("Agentic loop stalled - waited {:?} without any events", THREAD_EVENT_TIMEOUT));
343                            }
344                        };
345                        let Some(event) = event else {
346                            return Err(anyhow!("ThreadEvent channel ended early"));
347                        };
348
349                        let mut output_file = output_file.lock().unwrap();
350
351                        match event {
352                            ThreadEvent::Stopped(reason) => match reason {
353                                Ok(StopReason::EndTurn) => {
354                                    return Ok(());
355                                }
356                                Ok(StopReason::MaxTokens) => {
357                                    return Err(anyhow!("Exceeded maximum tokens"));
358                                }
359                                Ok(StopReason::ToolUse) => {
360                                    if std::env::var("ZED_EVAL_DEBUG").is_ok() {
361                                        println!("{}StopReason: Tool use", log_prefix);
362                                    }
363                                }
364                                Err(error) => {
365                                    return Err(anyhow!(error.clone()));
366                                }
367                            },
368                            ThreadEvent::ShowError(thread_error) => {
369                                break Err(anyhow!(thread_error.clone()));
370                            }
371                            ThreadEvent::StreamedAssistantText(_, chunk) => {
372                                write!(&mut output_file, "{}", chunk).log_err();
373                            }
374                            ThreadEvent::StreamedAssistantThinking(_, chunk) => {
375                                write!(&mut output_file, "{}", chunk).log_err();
376                            }
377                            ThreadEvent::UsePendingTools { tool_uses } => {
378                                writeln!(&mut output_file, "\n\nUSING TOOLS:").log_err();
379                                for tool_use in tool_uses {
380                                    writeln!(&mut output_file, "{}: {}", tool_use.name, tool_use.input)
381                                        .log_err();
382                                }
383                            }
384                            ThreadEvent::ToolFinished {
385                                tool_use_id,
386                                pending_tool_use,
387                                ..
388                            } => {
389                                thread.update(cx, |thread, _cx| {
390                                    if let Some(tool_use) = pending_tool_use {
391                                        if let Some(tool_result) = thread.tool_result(&tool_use_id) {
392                                            let message = if tool_result.is_error {
393                                                format!("TOOL FAILED: {}", tool_use.name)
394                                            } else {
395                                                format!("TOOL FINISHED: {}", tool_use.name)
396                                            };
397                                            println!("{log_prefix}{message}");
398                                            writeln!(&mut output_file, "\n{}", message).log_err();
399                                            writeln!(&mut output_file, "\n{}\n", tool_result.content).log_err();
400                                            let mut tool_use_counts = tool_use_counts.lock().unwrap();
401                                            *tool_use_counts
402                                                .entry(tool_result.tool_name.clone())
403                                                .or_insert(0) += 1;
404                                        } else {
405                                            let message = format!("TOOL FINISHED WITHOUT RESULT: {}", tool_use.name);
406                                            println!("{log_prefix}{message}");
407                                            writeln!(&mut output_file, "\n{}", message).log_err();
408                                        }
409                                    }
410                                })?;
411                            }
412                            ThreadEvent::ToolConfirmationNeeded => {
413                                panic!("{}Bug: Tool confirmation should not be required in eval", log_prefix);
414                            },
415                            ThreadEvent::StreamedCompletion |
416                            ThreadEvent::MessageAdded(_) |
417                            ThreadEvent::MessageEdited(_) |
418                            ThreadEvent::MessageDeleted(_) |
419                            ThreadEvent::SummaryChanged |
420                            ThreadEvent::SummaryGenerated |
421                            ThreadEvent::CheckpointChanged => {
422                                if std::env::var("ZED_EVAL_DEBUG").is_ok() {
423                                    println!("{}Event: {:#?}", log_prefix, event);
424                                }
425                            }
426                        }
427
428                        output_file.flush().log_err();
429                    }
430                }
431            });
432
433            thread.update(cx, |thread, cx| {
434                let context = vec![];
435                thread.insert_user_message(this.prompt.clone(), context, None, cx);
436                thread.send_to_model(model, RequestKind::Chat, cx);
437            })?;
438
439            event_handler_task.await?;
440
441            println!("{}Stopped", this.log_prefix);
442
443            if let Some((_, lsp_store)) = lsp_open_handle_and_store.as_ref() {
444                wait_for_lang_server(lsp_store, this.log_prefix.clone(), cx).await?;
445            }
446
447            println!("{}Getting repository diff", this.log_prefix);
448            let repository_diff = this.repository_diff().await?;
449
450            let repository_diff_path = this.run_dir.join(format!("{}.diff", this.name));
451            let mut repository_diff_output_file = File::create(&repository_diff_path)?;
452            writeln!(&mut repository_diff_output_file, "{}", &repository_diff).log_err();
453
454            println!("{}Getting diagnostics", this.log_prefix);
455            let diagnostics = cx
456                .update(move |cx| {
457                    cx.spawn(async move |cx| query_lsp_diagnostics(project, cx).await)
458                })?
459                .await?;
460            println!("{}Got diagnostics", this.log_prefix);
461
462            drop(subscription);
463            drop(lsp_open_handle_and_store);
464
465            thread.update(cx, |thread, _cx| {
466                let response_count = thread
467                    .messages()
468                    .filter(|message| message.role == language_model::Role::Assistant)
469                    .count();
470                RunOutput {
471                    repository_diff,
472                    diagnostics,
473                    response_count,
474                    token_usage: thread.cumulative_token_usage(),
475                    tool_use_counts: tool_use_counts.lock().unwrap().clone(),
476                }
477            })
478        })
479    }
480
481    pub async fn judge(
482        &self,
483        model: Arc<dyn LanguageModel>,
484        repository_diff: String,
485        judge_repetitions: u32,
486        cx: &AsyncApp,
487    ) -> Result<JudgeOutput> {
488        let judge_prompt = include_str!("judge_prompt.hbs");
489        let judge_prompt_name = "judge_prompt";
490        let mut handlebars = Handlebars::new();
491        handlebars.register_template_string(judge_prompt_name, judge_prompt)?;
492        let prompt = handlebars.render(
493            judge_prompt_name,
494            &JudgeInput {
495                repository_diff,
496                criteria: self.criteria.clone(),
497            },
498        )?;
499
500        let request = LanguageModelRequest {
501            messages: vec![LanguageModelRequestMessage {
502                role: Role::User,
503                content: vec![MessageContent::Text(prompt)],
504                cache: false,
505            }],
506            temperature: None,
507            tools: Vec::new(),
508            stop: Vec::new(),
509        };
510
511        let response = send_language_model_request(model, request, cx).await?;
512
513        let judge_file_path = self.run_dir.join(format!(
514            "{}_judge_{}.md",
515            self.name, // This is the eval_name
516            judge_repetitions
517        ));
518
519        let mut judge_output_file = File::create(&judge_file_path)?;
520        writeln!(&mut judge_output_file, "{}", &response).log_err();
521
522        parse_judge_output(&response)
523    }
524
525    pub async fn repository_diff(&self) -> Result<String> {
526        let worktree_path = self.worktree_path();
527        run_git(&worktree_path, &["add", "-N"]).await?;
528        run_git(&worktree_path, &["diff"]).await
529    }
530}
531
532fn wait_for_lang_server(
533    lsp_store: &Entity<LspStore>,
534    log_prefix: String,
535    cx: &mut AsyncApp,
536) -> Task<Result<()>> {
537    if cx
538        .update(|cx| !has_pending_lang_server_work(lsp_store, cx))
539        .unwrap()
540        || std::env::var("ZED_EVAL_SKIP_LS_WAIT").is_ok()
541    {
542        return Task::ready(anyhow::Ok(()));
543    }
544
545    println!("{}⏵ Waiting for language server", log_prefix);
546
547    let (mut tx, mut rx) = mpsc::channel(1);
548
549    let subscription =
550        cx.subscribe(&lsp_store, {
551            let log_prefix = log_prefix.clone();
552            move |lsp_store, event, cx| {
553                match event {
554                    project::LspStoreEvent::LanguageServerUpdate {
555                        message:
556                            client::proto::update_language_server::Variant::WorkProgress(
557                                LspWorkProgress {
558                                    message: Some(message),
559                                    ..
560                                },
561                            ),
562                        ..
563                    } => println!("{}{message}", log_prefix),
564                    _ => {}
565                }
566
567                if !has_pending_lang_server_work(&lsp_store, cx) {
568                    tx.try_send(()).ok();
569                }
570            }
571        });
572
573    cx.spawn(async move |cx| {
574        let timeout = cx.background_executor().timer(Duration::new(60 * 5, 0));
575        let result = futures::select! {
576            _ = rx.next() => {
577                println!("{}⚑ Language server idle", log_prefix);
578                anyhow::Ok(())
579            },
580            _ = timeout.fuse() => {
581                Err(anyhow!("LSP wait timed out after 5 minutes"))
582            }
583        };
584        drop(subscription);
585        result
586    })
587}
588
589fn has_pending_lang_server_work(lsp_store: &Entity<LspStore>, cx: &App) -> bool {
590    lsp_store
591        .read(cx)
592        .language_server_statuses()
593        .any(|(_, status)| !status.pending_work.is_empty())
594}
595
596async fn query_lsp_diagnostics(project: Entity<Project>, cx: &mut AsyncApp) -> Result<String> {
597    let paths_with_diagnostics = project.update(cx, |project, cx| {
598        project
599            .diagnostic_summaries(true, cx)
600            .filter(|(_, _, summary)| summary.error_count > 0 || summary.warning_count > 0)
601            .map(|(project_path, _, _)| project_path)
602            .collect::<Vec<_>>()
603    })?;
604
605    let mut output = String::new();
606    for project_path in paths_with_diagnostics {
607        let buffer = project
608            .update(cx, |project, cx| project.open_buffer(project_path, cx))?
609            .await?;
610        let snapshot = buffer.read_with(cx, |buffer, _cx| buffer.snapshot())?;
611
612        for (_, group) in snapshot.diagnostic_groups(None) {
613            let entry = &group.entries[group.primary_ix];
614            let range = entry.range.to_point(&snapshot);
615            let severity = match entry.diagnostic.severity {
616                DiagnosticSeverity::ERROR => "error",
617                DiagnosticSeverity::WARNING => "warning",
618                _ => continue,
619            };
620
621            writeln!(
622                output,
623                "{} at line {}: {}",
624                severity,
625                range.start.row + 1,
626                entry.diagnostic.message
627            )?;
628        }
629    }
630    anyhow::Ok(output)
631}
632
633fn parse_judge_output(response: &str) -> Result<JudgeOutput> {
634    let analysis = get_tag("analysis", response)?.to_string();
635    let score = get_tag("score", response)?
636        .parse()
637        .context("error parsing score")?;
638
639    Ok(JudgeOutput { analysis, score })
640}
641
642fn get_tag(name: &'static str, response: &str) -> Result<String> {
643    let start_tag = format!("<{}>", name);
644    let end_tag = format!("</{}>", name);
645
646    let start_ix = response
647        .find(&start_tag)
648        .context(format!("{} start tag not found", name))?;
649    let content_start_ix = start_ix + start_tag.len();
650
651    let end_ix = content_start_ix
652        + response[content_start_ix..]
653            .find(&end_tag)
654            .context(format!("{} end tag not found", name))?;
655
656    let content = response[content_start_ix..end_ix].trim().unindent();
657
658    anyhow::Ok(content)
659}
660
661pub fn repo_path_for_url(repo_url: &str) -> PathBuf {
662    let repo_name = repo_url
663        .trim_start_matches("https://")
664        .replace(|c: char| !c.is_alphanumeric(), "-");
665    Path::new(REPOS_DIR)
666        .canonicalize()
667        .context(format!("No such directory {REPOS_DIR}"))
668        .unwrap()
669        .join(repo_name)
670}
671
672pub async fn run_git(repo_path: &Path, args: &[&str]) -> Result<String> {
673    let output = new_smol_command("git")
674        .current_dir(repo_path)
675        .args(args)
676        .output()
677        .await?;
678
679    if output.status.success() {
680        Ok(String::from_utf8(output.stdout)?.trim().to_string())
681    } else {
682        Err(anyhow!(
683            "`git {}` within `{}` failed with status: {}\nstderr:\n{}\nstdout:\n{}",
684            args.join(" "),
685            repo_path.display(),
686            output.status,
687            String::from_utf8_lossy(&output.stderr),
688            String::from_utf8_lossy(&output.stdout),
689        ))
690    }
691}
692
693pub async fn send_language_model_request(
694    model: Arc<dyn LanguageModel>,
695    request: LanguageModelRequest,
696    cx: &AsyncApp,
697) -> anyhow::Result<String> {
698    match model.stream_completion_text(request, &cx).await {
699        Ok(mut stream) => {
700            let mut full_response = String::new();
701            while let Some(chunk_result) = stream.stream.next().await {
702                match chunk_result {
703                    Ok(chunk_str) => {
704                        full_response.push_str(&chunk_str);
705                    }
706                    Err(err) => {
707                        return Err(anyhow!(
708                            "Error receiving response from language model: {err}"
709                        ));
710                    }
711                }
712            }
713            Ok(full_response)
714        }
715        Err(err) => Err(anyhow!(
716            "Failed to get response from language model. Error was: {err}"
717        )),
718    }
719}
720
721#[cfg(test)]
722mod test {
723    use super::*;
724
725    #[test]
726    fn test_parse_judge_output() {
727        let response = r#"
728            <analysis>The model did a good job but there were still compilations errors.</analysis>
729            <score>3</score>
730        "#
731        .unindent();
732
733        let output = parse_judge_output(&response).unwrap();
734        assert_eq!(
735            output.analysis,
736            "The model did a good job but there were still compilations errors."
737        );
738        assert_eq!(output.score, 3);
739
740        let response = r#"
741            Text around ignored
742
743            <analysis>
744                Failed to compile:
745                - Error 1
746                - Error 2
747            </analysis>
748
749            <score>1</score>
750        "#
751        .unindent();
752
753        let output = parse_judge_output(&response).unwrap();
754        assert_eq!(output.analysis, "Failed to compile:\n- Error 1\n- Error 2");
755        assert_eq!(output.score, 1);
756    }
757}