test: add phpunit tests

.gitignore

@@ -1 +1,147 @@
+/coverage/
+composer.phar
 /vendor/
+
+# Commit your application's lock file https://getcomposer.org/doc/01-basic-usage.md#commit-your-composer-lock-file-to-version-control
+# You may choose to ignore a library lock file http://getcomposer.org/doc/02-libraries.md#lock-file
+# composer.lock
+
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# Windows thumbnail cache files
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+
+# next.js build output
+.next
+
+# nuxt.js build output
+.nuxt
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless

phpcs.xml

@@ -62,4 +62,5 @@
 	<exclude-pattern>*/bower_components/*</exclude-pattern>
 	<exclude-pattern>*/dist/*</exclude-pattern>
 	<exclude-pattern>*/includes/*</exclude-pattern>
+	<exclude-pattern>*/tests/*</exclude-pattern>
 </ruleset>

phpunit.xml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.2/phpunit.xsd"
+	bootstrap="tests/bootstrap.php"
+	backupGlobals="true" colors="true"
+	convertErrorsToExceptions="true"
+	convertNoticesToExceptions="true"
+	convertWarningsToExceptions="true"
+	verbose="true"
+	printerClass="PHPUnit\TextUI\ResultPrinter"
+>
+	<testsuites>
+		<testsuite name="WPackIO Enqueue Test Suit">
+			<directory suffix="Test.php">
+				./tests
+			</directory>
+		</testsuite>
+	</testsuites>
+	<filter>
+		<whitelist processUncoveredFilesFromWhitelist="false">
+			<directory suffix=".php">
+				./inc
+			</directory>
+		</whitelist>
+	</filter>
+	<logging>
+		<log
+			type="coverage-text"
+			target="php://stdout"
+			showUncoveredFiles="true"
+		/>
+		<log
+			type="coverage-clover"
+			target="coverage/phpunit/clover.xml"
+			showUncoveredFiles="true"
+		/>
+	</logging>
+</phpunit>

tests/bootstrap.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * The following snippets uses `PLUGIN` to prefix
+ * the constants and class names. You should replace
+ * it with something that matches your plugin name.
+ *
+ * @package WPackio\Tests
+ */
+
+// define test environment
+// define fake ABSPATH
+if ( ! defined( 'ABSPATH' ) ) {
+	define( 'ABSPATH', sys_get_temp_dir() );
+}
+
+require_once __DIR__ . '/../vendor/autoload.php';
+require_once __DIR__ . '/inc/TestCase.php';

tests/data/dist/app/manifest.json

@@ -0,0 +1,35 @@
+{
+  "app/assets/image.png": "app/assets/asset-c7cf665262fc289aea5bbe16b4f9aa67.png",
+  "main.css": "app/main.css",
+  "main.css.map": "app/main.css.map",
+  "main.js": "app/main.js",
+  "main.js.map": "app/main.js.map",
+  "mobile.js": "app/mobile.js",
+  "mobile.js.map": "app/mobile.js.map",
+  "wpackioEp": {
+    "main": {
+      "css": [
+        "app/main.css",
+        "app/foo.css"
+      ],
+      "js": [
+        "app/main.js",
+        "app/foo.js"
+      ],
+      "css.map": [
+        "app/main.css.map"
+      ],
+      "js.map": [
+        "app/main.js.map"
+      ]
+    },
+    "mobile": {
+      "js": [
+        "app/mobile.js"
+      ],
+      "js.map": [
+        "app/mobile.js.map"
+      ]
+    }
+  }
+}

tests/data/dist/broken/manifest.json

@@ -0,0 +1,33 @@
+{
+  "app/assets/image.png": "app/assets/asset-c7cf665262fc289aea5bbe16b4f9aa67.png",
+  "main.css": "app/main.css",
+  "main.css.map": "app/main.css.map",
+  "main.js": "app/main.js",
+  "main.js.map": "app/main.js.map",
+  "mobile.js": "app/mobile.js",
+  "mobile.js.map": "app/mobile.js.map",
+  "blablabla": {
+    "main": {
+      "css": [
+        "app/main.css"
+      ],
+      "js": [
+        "app/main.js"
+      ],
+      "css.map": [
+        "app/main.css.map"
+      ],
+      "js.map": [
+        "app/main.js.map"
+      ]
+    },
+    "mobile": {
+      "js": [
+        "app/mobile.js"
+      ],
+      "js.map": [
+        "app/mobile.js.map"
+      ]
+    }
+  }
+}

tests/inc/TestCase.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ * Primary class for all test cases.
+ *
+ * @package WPackio\Test
+ */
+
+namespace WPackioTest;
+
+use Spatie\Snapshots\MatchesSnapshots;
+use Mockery\Adapter\Phpunit\MockeryPHPUnitIntegration;
+use Brain\Monkey;
+
+/**
+ * An enhanced testcase framework with mockery
+ * and brainmonkey integration.
+ *
+ * @link https://swas.io/blog/wordpress-plugin-unit-test-with-brainmonkey/
+ */
+class TestCase extends \PHPUnit\Framework\TestCase {
+	use MatchesSnapshots;
+	use MockeryPHPUnitIntegration;
+
+	/**
+	 * Setup which calls \WP_Mock setup
+	 *
+	 * @return void
+	 */
+	public function setUp() {
+		parent::setUp();
+		Monkey\setUp();
+		// A few common passthrough
+		// 1. WordPress i18n functions
+		Monkey\Functions\when( '__' )
+			->returnArg( 1 );
+		Monkey\Functions\when( '_e' )
+			->returnArg( 1 );
+		Monkey\Functions\when( '_n' )
+			->returnArg( 1 );
+	}
+
+	/**
+	 * Teardown which calls \WP_Mock tearDown
+	 *
+	 * @return void
+	 */
+	public function tearDown() {
+		Monkey\tearDown();
+		parent::tearDown();
+	}
+}