Merge pull request #8 from iambumblehead/added-test-throw-error-when-…

…mock-path-not-found

added test, throw error when mock path not found

README.md

@@ -48,6 +48,8 @@ test('should do global instance mocks —third parameter', async t => {
 
 ### changelog
 
+ * 0.3.7 _Apr.20.2021_
+   * add test, throw error if mocked module path is not found
  * 0.3.6 _Apr.19.2021_
    * throw error if mocked module path is not found
  * 0.3.5 _Apr.18.2021_

package.json

@@ -1,6 +1,6 @@
 {
   "name": "esmock",
-  "version": "0.3.6",
+  "version": "0.3.7",
   "license": "MIT",
   "readmeFilename": "README.md",
   "description": "mock esm modules for unit-tests",
@@ -53,6 +53,7 @@
     "babel-eslint": "^10.1.0",
     "eslint": "^7.17.0",
     "form-urlencoded": "^4.2.1",
+    "import-local": "3.0.2",
     "sinon": "^10.0.0"
   },
   "scripts": {

spec/esmock.spec.js

@@ -34,6 +34,15 @@ test('should throw error if local file not found', async t => {
   });
 });
 
+test('should throw error if local definition file not found', async t => {
+  await t.throwsAsync(() => esmock('./local/not/found.js', {
+    './local/not/found.js' : {
+      createString : () => 'test string'
+    }
+  }), {
+    message : /not a valid path: \".\/local\/not\/found.js\" \(used by/
+  });
+});
 
 test('should mock a module', async t => {
   const main = await esmock('./local/mainUtil.js', {

src/esmockModule.js

@@ -122,7 +122,11 @@ const esmockModulesCreate = async (pathCallee, pathModule, esmockKey, defs, keys
 
   const mockedPathFull = esmockCacheResolvedPathGetCreate(pathCallee, keys[0]);
   if (!mockedPathFull) {
-    throw new Error('not a valid path ' + pathCallee + ', ' + keys[0]);
+    pathCallee = pathCallee
+      .replace(/^\/\//, '')
+      .replace(process.cwd(), '.')
+      .replace(process.env.HOME, '~');
+    throw new Error(`not a valid path: "${keys[0]}" (used by ${pathCallee})`);
   }
 
   mocks.push(await esmockModuleCreate(