From 71fd17509114396136b659463fe1c1ab47689c6f Mon Sep 17 00:00:00 2001
From: Tom Lauwaerts <tom.lauwaerts@vub.be>
Date: Tue, 12 May 2026 09:55:38 +0200
Subject: [PATCH 1/2] Improve error messaging

---
 src/framework/Testee.ts | 4 ++--
 src/manage/Uploader.ts  | 2 +-
 src/reporter/Results.ts | 1 +
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/framework/Testee.ts b/src/framework/Testee.ts
index 53dd730..cfacff7 100644
--- a/src/framework/Testee.ts
+++ b/src/framework/Testee.ts
@@ -234,9 +234,9 @@ export class Testee { // TODO unified with testbed interface
                                 await testee.initialize(description.program, description.args ?? []).catch((o) => {
                                     return Promise.reject(o)
                                 });
-                            }), 1).catch((e: Error) => {
+                            }), 1).catch((e: string) => {
                             const result = new StepOutcome(step);
-                            testee.states.set(description.title, result.update((e.message.includes('timeout')) ? Outcome.timedout : Outcome.error, e.message));
+                            testee.states.set(description.title, result.update((e.includes('timeout')) ? Outcome.timedout : Outcome.error, e));
                         });
                     }
 
diff --git a/src/manage/Uploader.ts b/src/manage/Uploader.ts
index 4547af9..ac5c218 100644
--- a/src/manage/Uploader.ts
+++ b/src/manage/Uploader.ts
@@ -166,7 +166,7 @@ export class EmulatorUploader extends Uploader {
 
                 reader.on('close', () => {
                     that.emit(UploaderEvents.failed);
-                    reject(`Could not connect. Error:  ${error}`);
+                    reject(`Testbed closed unexpectedly.`);
                 });
             } else {
                 that.emit(UploaderEvents.failed);
diff --git a/src/reporter/Results.ts b/src/reporter/Results.ts
index 0704a5f..2386392 100644
--- a/src/reporter/Results.ts
+++ b/src/reporter/Results.ts
@@ -48,6 +48,7 @@ abstract class AbstractAggregateResult implements AggregateResult {
     aggregate(outcomes: Result[]) {
         this.subOutcomes = outcomes;
         this.outcome = this.check();
+        if (this.clarification.length === 0) this.clarification = this.subOutcomes.flatMap(outcome => outcome.clarification).join('; ')
     }
 
     outcomes(): Result[] {

From e441340810d5302d207dadeb2f0023926f02548b Mon Sep 17 00:00:00 2001
From: Tom Lauwaerts <tom.lauwaerts@vub.be>
Date: Tue, 12 May 2026 10:48:33 +0200
Subject: [PATCH 2/2] Shorten compilation errors

---
 src/manage/Compiler.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/manage/Compiler.ts b/src/manage/Compiler.ts
index e43e67b..9f71f2e 100644
--- a/src/manage/Compiler.ts
+++ b/src/manage/Compiler.ts
@@ -109,7 +109,7 @@ export class WatCompiler extends Compiler {
             compile.on('close', (code) => {
                 if (code !== 0) {
                     this.emit(CompilationEvents.failed, err);
-                    reject(`Compilation to wasm failed: wat2wasm exited with code ${code}: ${err}`);
+                    reject(`Compilation to wasm failed: wat2wasm exited with code ${code}: ${err.substring(0, 320).trim()}`);
                     return;
                 }
                 this.compiled.set(program, {file: file, out: out, err: err});
@@ -224,7 +224,7 @@ export class AsScriptCompiler extends Compiler {
 
             compile.on('close', (code) => {
                 if (code !== 0) {
-                    reject(`Compilation to wasm failed: ${err}`);
+                    reject(`Compilation to wasm failed: ${err.substring(0, 320).trim()}`);
                     return;
                 }
                 this.compiled.set(program, {file: file, out: out, err: err});