esmock - npm Package Compare versions

Comparing version 2.3.0 to 2.3.1

package.json

 {
   "name": "esmock",
   "type": "module",
-  "version": "2.3.0",
+  "version": "2.3.1",
   "license": "ISC",
   "readmeFilename": "README.md",
-  "description": "provides native ESM import mocking for unit tests",
+  "description": "provides native ESM import and globals mocking for unit tests",
   "author": "chris <[e-mail]>",
@@ -54,3 +54,6 @@ "main": "./src/esmock.js",
     "proxyquire",
-    "rewire"
+    "rewire",
+    "global",
+    "fetch",
+    "mock fetch"
   ],
@@ -57,0 +60,0 @@ "engines": {

README.md

@@ -12,3 +12,3 @@ ```diff
 
-**esmock provides native ESM import mocking for unit tests.** Use examples below as a quick-start guide, see the [descriptive and friendly esmock guide here,][4] or browse [esmock's test runner examples.][3]
+**esmock provides native ESM import and globals mocking for unit tests.** Use examples below as a quick-start guide, see the [descriptive and friendly esmock guide here,][4] or browse [esmock's test runner examples.][3]
 
@@ -68,18 +68,27 @@
 
-test('global mocks fetch, Date, setTimeout etc', async () => {
-  const reqUsers = await esmock('../reqUsers.js', {
-    import: { // define the 'fetch' mock, see wiki for more info
-      fetch: () => '[["jim","😄"],["jen","😊"]]'
-    }
+test('full import tree mocks —third param', async () => {
+  const { getFile } = await esmock('../src/main.js', {}, {
+    // mocks *every* fs.readFileSync inside the import tree
+    fs: { readFileSync: () => 'returned to 🌲 every caller in the tree' }
   })
-  
-  assert.strictEqual(await reqUsers(), '[["jim","😄"],["jen","😊"]]')
+
+  assert.strictEqual(getFile(), 'returned to 🌲 every caller in the tree')
 })
 
-test('global instance mocks —third param', async () => {
-  const { getFile } = await esmock('../src/main.js', {}, {
-    fs: { readFileSync: () => 'returns this 🌎 globally' }
+test('mock fetch, Date, setTimeout and any globals', async () => {
+  // https://github.com/iambumblehead/esmock/wiki#call-esmock-globals
+  const Users = await esmock('../Users.js', {
+    // nested esmock defines 'fetch' at req.js' import tree *only*
+    '../req.js': await esmock('../req.js', {
+      import: {
+        // define globals, such as 'fetch', using the import namespace
+        fetch: async () => ({
+          status: 200,
+          json: async () => [["jim","😄"],["jen","😊"]]
+        })
+      }
+    })
   })
 
-  assert.strictEqual(getFile(), 'returns this 🌎 globally')
+  assert.deepEqual(await Users.count(), 2)
 })
@@ -86,0 +95,0 @@

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Improved metrics

Total package byte prevSize

19646

increased by2.13%

Number of lines in readme file

130

increased by7.44%

No dependency changes