implement listReplacedModules

Author: giltayar

package.json

@@ -44,7 +44,7 @@
     "test": "run-s test:unit test:safe test:esm test:no-loader-esm test:example",
     "test:unit": "teenytest --helper test/helper.js \"test/unit/**/*.test.{js,ts}\"",
     "test:safe": "teenytest --helper test/helper.js \"test/safe/**/*.test.{js,ts}\"",
-    "test:esm": "cross-env NODE_OPTIONS=\"--loader=quibble\" TS_NODE_IGNORE=\"node_modules,notypescript\" ./test/safe-esm/teenytest-proxy.js --helper test/helper.js test/safe-esm/replace.test.js",
+    "test:esm": "cross-env NODE_OPTIONS=\"--loader=quibble\" TS_NODE_IGNORE=\"node_modules,notypescript\" ./test/safe-esm/teenytest-proxy.js --helper test/helper.js test/safe-esm/replace.test.js test/safe-esm/list.test.js",
     "test:esm-auto-loader": "node test/esm-lib/supports-auto-load.js not || TS_NODE_IGNORE=\"node_modules,notypescript\" ./test/safe-esm/teenytest-proxy.js --helper test/helper.js test/safe-esm/replace.test.js",
     "test:no-loader-esm": "node test/esm-lib/supports-auto-load.js || cross-env TS_NODE_IGNORE=\"node_modules,notypescript\" teenytest test/helper.js './test/safe-esm/*.no-loader-test.{mjs,js}'",
     "test:ci": "npm run compile && run-p style test && echo \"All done!\"",

src/index.js

@@ -7,6 +7,7 @@ import when from './when'
 import verify from './verify'
 import matchers from './matchers'
 import replace, { replaceEsm } from './replace'
+import listReplacedModules from './list'
 import explain from './explain'
 import reset from './reset'
 import config from './config'
@@ -26,6 +27,7 @@ module.exports = {
   matchers,
   replace,
   replaceEsm,
+  listReplacedModules,
   explain,
   reset,
   config,

src/list.js

@@ -0,0 +1,5 @@
+import { listMockedModules } from 'quibble'
+
+export default function listReplacedModules () {
+  return listMockedModules()
+}

test/safe-esm/list.test.js

@@ -0,0 +1,28 @@
+const { pathToFileURL } = require('url')
+const quibble = require('quibble')
+
+module.exports = {
+  async 'listing mocked modules' () {
+    assert._isEqual(td.listReplacedModules(), [])
+
+    await td.replaceEsm('./fixtures/honk.mjs')
+
+    assert._isEqual(td.listReplacedModules(), [
+      pathToFileURL(quibble.absolutify('./fixtures/honk.mjs', __filename)).href
+    ])
+
+    await td.replaceEsm('./fixtures/turn.mjs')
+
+    assert._isEqual(td.listReplacedModules(), [
+      pathToFileURL(quibble.absolutify('./fixtures/honk.mjs', __filename)).href,
+      pathToFileURL(quibble.absolutify('./fixtures/turn.mjs', __filename)).href
+    ])
+  },
+  async 'listing replaced modules after a reset' () {
+    await td.replaceEsm('./fixtures/honk.mjs')
+
+    td.reset()
+
+    assert._isEqual(td.listReplacedModules(), [])
+  }
+}

test/safe/list.test.js

@@ -0,0 +1,28 @@
+const { pathToFileURL } = require('url')
+const quibble = require('quibble')
+
+module.exports = {
+  'listing mocked modules' () {
+    assert._isEqual(td.listReplacedModules(), [])
+
+    td.replace('./fixtures/honk')
+
+    assert._isEqual(td.listReplacedModules(), [
+      pathToFileURL(quibble.absolutify('./fixtures/honk.js', __filename)).href
+    ])
+
+    td.replace('./fixtures/turn')
+
+    assert._isEqual(td.listReplacedModules(), [
+      pathToFileURL(quibble.absolutify('./fixtures/honk.js', __filename)).href,
+      pathToFileURL(quibble.absolutify('./fixtures/turn.js', __filename)).href
+    ])
+  },
+  'listing replaced modules after a reset' () {
+    td.replace('./fixtures/honk')
+
+    td.reset()
+
+    assert._isEqual(td.listReplacedModules(), [])
+  }
+}

test/unit/index.test.js

@@ -7,6 +7,7 @@ module.exports = () => {
   const constructor = td.replace('../../src/constructor').default
   const instance = td.replace('../../src/instance').default
   const { default: replace, replaceEsm } = td.replace('../../src/replace')
+  const listReplacedModules = td.replace('../../src/list').default
   const imitate = td.replace('../../src/imitate').default
   // Stubbing & Verifying
   const when = td.replace('../../src/when').default
@@ -30,6 +31,7 @@ module.exports = () => {
     instance,
     replace,
     replaceEsm,
+    listReplacedModules,
     imitate,
     when,
     verify,