✅ Add tests for build package

package.json

@@ -12,8 +12,8 @@
     "type-check:watch": "run-s \"type-check --watch\"",
     "test": "run-s test:*",
     "test:types": "run-s type-check",
-    "test:unit": "nyc mocha test/**/*.ts",
-    "test:dist": "run-s build && es-check es5 dist/**/*.js",
+    "test:unit": "nyc mocha test/unit/**/*.ts test/integration/**/*.ts",
+    "test:dist": "run-s build && es-check es5 dist/**/*.js && mocha test/e2e/**/*.ts",
     "coverage": "nyc report --reporter=text-lcov | coveralls",
     "build": "run-s build:*",
     "build:clean": "rm -rf dist",

test/e2e/index.spec.ts

@@ -0,0 +1,27 @@
+import _ from 'lodash'
+import lodashMixins from '../..'
+import { expect } from 'chai'
+
+import injectedMethods from '../exportedMethods'
+
+describe('Exported package', function () {
+  describe('Before loading mixins', function () {
+    for (const method of injectedMethods) {
+      it(`Should not have «${method}» present`, function () {
+        expect(_).to.not.have.property(method).that.is.a('function')
+      })
+    }
+  })
+
+  describe('When loading exported package', function () {
+    before('Load mixins', function () {
+      lodashMixins(_)
+    })
+
+    for (const method of injectedMethods) {
+      it(`Should have «${method}» present`, function () {
+        expect(_).to.have.property(method).that.is.a('function')
+      })
+    }
+  })
+})

test/exportedMethods.ts

@@ -0,0 +1,9 @@
+export default [
+  'fromPairsMap',
+  'getTruthyKeys',
+  'hasTruthyValues',
+  'mapNonNil',
+  'mergeForEach',
+  'mGet',
+  'shortcuttedReduce'
+]

test/integration/index.spec.ts

@@ -2,15 +2,7 @@ import _ from 'lodash'
 import lodashMixins from '../../src/index'
 import { expect } from 'chai'
 
-const injectedMethods = [
-  'fromPairsMap',
-  'getTruthyKeys',
-  'hasTruthyValues',
-  'mapNonNil',
-  'mergeForEach',
-  'mGet',
-  'shortcuttedReduce'
-]
+import injectedMethods from '../exportedMethods'
 
 describe('Exported package', function () {
   describe('Before loading mixins', function () {