feat: add script reporting more errors

curriculum/package-lock.json

@@ -5050,6 +5050,58 @@
         }
       }
     },
+    "cross-env": {
+      "version": "7.0.2",
+      "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-7.0.2.tgz",
+      "integrity": "sha512-KZP/bMEOJEDCkDQAyRhu3RL2ZO/SUVrxQVI0G3YEQ+OLbRA3c6zgixe8Mq8a/z7+HKlNEjo8oiLUs8iRijY2Rw==",
+      "dev": true,
+      "requires": {
+        "cross-spawn": "^7.0.1"
+      },
+      "dependencies": {
+        "cross-spawn": {
+          "version": "7.0.3",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
+          "integrity": "sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==",
+          "dev": true,
+          "requires": {
+            "path-key": "^3.1.0",
+            "shebang-command": "^2.0.0",
+            "which": "^2.0.1"
+          }
+        },
+        "path-key": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/path-key/-/path-key-3.1.1.tgz",
+          "integrity": "sha512-ojmeN0qd+y0jszEtoY48r0Peq5dwMEkIlCOu6Q5f41lfkswXuKtYrhgoTpLnyIcHm24Uhqx+5Tqm2InSwLhE6Q==",
+          "dev": true
+        },
+        "shebang-command": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
+          "integrity": "sha512-kHxr2zZpYtdmrN1qDjrrX/Z1rR1kG8Dx+gkpK1G4eXmvXswmcE1hTWBWYUzlraYw1/yZp6YuDY77YtvbN0dmDA==",
+          "dev": true,
+          "requires": {
+            "shebang-regex": "^3.0.0"
+          }
+        },
+        "shebang-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-3.0.0.tgz",
+          "integrity": "sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A==",
+          "dev": true
+        },
+        "which": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+          "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
+          "dev": true,
+          "requires": {
+            "isexe": "^2.0.0"
+          }
+        }
+      }
+    },
     "cross-spawn": {
       "version": "6.0.5",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",

curriculum/package.json

@@ -18,7 +18,9 @@
     "lint": "gulp lint",
     "semantic-release": "semantic-release",
     "pretest": "cd ../client && npm run build:workers",
-    "test": "mocha --delay --reporter progress --bail"
+    "pretest:full-output": "npm run pretest",
+    "test": "mocha --delay --reporter progress --bail",
+    "test:full-output": "cross-env FULL_OUTPUT=true mocha --delay --reporter progress"
   },
   "dependencies": {
     "invariant": "^2.2.4"
@@ -44,6 +46,7 @@
     "babel-preset-stage-3": "^6.24.1",
     "babel-standalone": "^6.26.0",
     "chai": "4.2.0",
+    "cross-env": "^7.0.2",
     "fs-extra": "^6.0.1",
     "gulp": "^4.0.2",
     "joi": "^13.3.0",

curriculum/test/test-challenges.js

@@ -55,13 +55,21 @@ const { createPoly } = require('../../utils/polyvinyl');
 const testEvaluator = require('../../client/config/test-evaluator').filename;
 
 // rethrow unhandled rejections to make sure the tests exit with -1
-process.on('unhandledRejection', err => {
-  cleanup();
+process.on('unhandledRejection', err => handleRejection(err));
+
+const handleRejection = err => {
   // setting the error code because node does not (yet) exit with a non-zero
   // code on unhandled exceptions.
   process.exitCode = 1;
-  throw err;
-});
+  cleanup();
+  if (process.env.FULL_OUTPUT === 'true') {
+    // some errors *may* not be reported, since cleanup is triggered by the
+    // first error and that starts shutting down the browser and the server.
+    console.error(err);
+  } else {
+    throw err;
+  }
+};
 
 const dom = new jsdom.JSDOM('');
 global.document = dom.window.document;
@@ -97,13 +105,7 @@ let page;
 
 setup()
   .then(runTests)
-  .catch(err => {
-    cleanup();
-    // setting the error code because node does not (yet) exit with a non-zero
-    // code on unhandled exceptions.
-    process.exitCode = 1;
-    throw err;
-  });
+  .catch(err => handleRejection(err));
 
 async function setup() {
   if (process.env.npm_config_superblock && process.env.npm_config_block) {