✅ Use Jest to run tests in example/ (#466)

.travis.yml

@@ -42,6 +42,7 @@ jobs:
         - yarn prebuild
         - yarn build:publish-cjs
         - yarn build:publish-esm
+        - yarn build:publish-types
         - yarn webbuild
         - yarn link
         - cd example ;

example/package.json

@@ -3,19 +3,25 @@
   "version": "1.0.0",
   "description": "Examples of usage of fast-check",
   "scripts": {
-    "test:async": "mocha --require ts-node/register async-property/test.ts",
-    "test:contains": "mocha contains/test.js",
-    "test:knight": "mocha shadows-of-the-knight-codingame/test.js",
-    "test:settings": "mocha optional-settings-combination/test.js",
-    "test:model": "mocha --require ts-node/register model-based-testing/test.ts",
-    "test:tree": "mocha --require ts-node/register binary-trees/test.ts"
+    "test": "jest",
+    "test:async": "jest --testPathPattern async-property",
+    "test:contains": "jest --testPathPattern contains",
+    "test:knight": "jest --testPathPattern shadows-of-the-knight-codingame",
+    "test:settings": "jest --testPathPattern optional-settings-combination",
+    "test:model": "jest --testPathPattern model-based-testing",
+    "test:tree": "jest --testPathPattern binary-trees"
   },
   "devDependencies": {
+    "@types/jest": "^24.0.21",
     "fast-check": "*",
-    "mocha": "^5.0.0",
-    "ts-node": "^6.1.0"
+    "jest": "^24.9.0",
+    "ts-jest": "^24.1.0"
   },
   "author": "Nicolas DUBIEN <github@dubien.org>",
   "license": "MIT",
-  "private": true
+  "private": true,
+  "jest": {
+    "moduleFileExtensions": ["ts", "js"],
+    "transform": {"^.+\\.(ts|tsx)$": "ts-jest"}
+  }
 }

example/run.sh

@@ -14,18 +14,18 @@ do
     failure=`echo "${testUnit}" | cut -d: -f3`
 
     echo "Expect 'yarn test:${name}' to have ${success} passed and ${failure} failed"
-    yarn "test:${name}" > "output/${name}" 2> /dev/null
+    yarn "test:${name}" > "output/${name}" 2>&1
     cat "output/${name}"
 
     if [ ${success} -ne 0 ]; then
-        cat "output/${name}" | grep "  ${success} passing" >/dev/null 2>&1
+        cat "output/${name}" | grep "Tests:" | grep "${success} passed," >/dev/null 2>&1
         if [ $? -ne 0 ]; then
             echo "Failure [passing]"
             status=1
         fi
     fi
     if [ ${failure} -ne 0 ]; then
-        cat "output/${name}" | grep "  ${failure} failing" >/dev/null 2>&1
+        cat "output/${name}" | grep "Tests:" | grep "${failure} failed," >/dev/null 2>&1
         if [ $? -ne 0 ]; then
             echo "Failure [failing]"
             status=1