fix implementation, PHP 7.4 minimum, tests

.gitignore

@@ -1 +1,3 @@
 /vendor/
+composer.lock
+.phpunit.result.cache

composer.json

@@ -10,9 +10,13 @@
         }
     ],
     "require": {
+        "php": "^7.4|^8.0",
         "illuminate/support": "^5.1|^6.0|^7.0|^8.0",
         "illuminate/session": "^5.1|^6.0|^7.0|^8.0"
     },
+    "require-dev": {
+        "orchestra/testbench": "^5.18|^6.17"
+    },
     "autoload": {
         "psr-4": {
             "MasterRO\\Flash\\": "src/"
@@ -21,6 +25,11 @@
             "src/helpers.php"
         ]
     },
+    "autoload-dev": {
+        "psr-4": {
+            "MasterRO\\Flash\\Tests\\": "tests/"
+        }
+    },
     "extra": {
         "laravel": {
             "providers": [

phpunit.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit
+  backupGlobals="false"
+  backupStaticAttributes="false"
+  bootstrap="vendor/autoload.php"
+  colors="true"
+  convertErrorsToExceptions="true"
+  convertNoticesToExceptions="true"
+  convertWarningsToExceptions="true"
+  processIsolation="false"
+  stopOnError="false"
+  stopOnFailure="false"
+  verbose="true"
+>
+  <testsuites>
+    <testsuite name="Package Test Suite">
+      <directory suffix="Test.php">./tests/</directory>
+    </testsuite>
+  </testsuites>
+</phpunit>

src/Flash.php

@@ -6,101 +6,65 @@
 
 class Flash
 {
-	/**
-	 * @var string
-	 */
-	public $message;
+    public string $message;
 
-	/**
-	 * @var string
-	 */
-	public $type;
+    public string $type;
 
-	/**
-	 * @var bool
-	 */
-	public $session;
+    public bool $session;
 
-	/**
-	 * Flash constructor.
-	 *
-	 * @param $message
-	 * @param string $type
-	 * @param bool $session
-	 */
-	public function __construct($message = '', $type = 'success', $session = true)
-	{
-		$this->message = $message;
-		$this->type = $type;
-		$this->session = $session;
-	}
+    /**
+     * Flash constructor.
+     *
+     * @param string $message
+     * @param string $type
+     * @param bool $session
+     */
+    public function __construct(string $message = '', string $type = 'success', bool $session = true)
+    {
+        $this->message = $message;
+        $this->type = $type;
+        $this->session = $session;
+    }
 
-	/**
-	 * Success
-	 *
-	 * @param string $message
-	 * @param bool $session
-	 *
-	 * @return mixed
-	 */
-	public static function success($message, $session = true)
-	{
-		return ((new static($message, 'success', $session))->push());
-	}
+    public static function make(string $message = '', string $type = 'success', bool $session = true): Flash
+    {
+        return new static($message, $type, $session);
+    }
 
-	/**
-	 * Warning
-	 *
-	 * @param string $message
-	 * @param bool $session
-	 *
-	 * @return mixed
-	 */
-	public static function warning($message, $session = true)
-	{
-		return ((new static($message, 'warning', $session))->push());
-	}
+    public function success(string $message, bool $session = true)
+    {
+        return static::make($message, 'success', $session)->push();
+    }
 
-	/**
-	 * Info
-	 *
-	 * @param string $message
-	 * @param bool $session
-	 *
-	 * @return mixed
-	 */
-	public static function info($message, $session = true)
-	{
-		return ((new static($message, 'info', $session))->push());
-	}
+    public function warning(string $message, bool $session = true)
+    {
+        return static::make($message, 'warning', $session)->push();
+    }
 
-	/**
-	 * Error
-	 *
-	 * @param string $message
-	 * @param bool $session
-	 *
-	 * @return mixed
-	 */
-	public static function error($message, $session = true)
-	{
-		return ((new static($message, 'error', $session))->push());
-	}
+    public function info(string $message, bool $session = true)
+    {
+        return static::make($message, 'info', $session)->push();
+    }
 
-	/**
-	 * Push this Flash Message to Session
-	 *
-	 * @return mixed
-	 */
-	public function push()
-	{
-		$type = $this->type;
-		$message = $this->message;
+    public function error(string $message, bool $session = true)
+    {
+        return static::make($message, 'error', $session)->push();
+    }
 
-		if ($this->session) {
-			return Session::push('flash_messages', compact('type', 'message'));
-		}
+    /**
+     * Push this Flash Message to Session
+     *
+     * @return mixed
+     */
+    public function push()
+    {
+        $type = $this->type;
+        $message = $this->message;
 
-		return Session::flash('flash_messages', [compact('type', 'message')]);
-	}
+        if ($this->session) {
+            return Session::push('flash_messages', compact('type', 'message'));
+        }
+
+        return Session::flash('flash_messages', [compact('type', 'message')]);
+    }
 }

src/FlashFacade.php

@@ -2,7 +2,9 @@
 
 namespace MasterRO\Flash;
 
-class FlashFacade
+use Illuminate\Support\Facades\Facade;
+
+class FlashFacade extends Facade
 {
 	/**
 	 * @return string

src/helpers.php

@@ -1,14 +1,12 @@
 <?php
 
 if (! function_exists('flash')) {
-
-	/**
-	 * @param string $message
-	 * @param string $type
-	 * @param bool $session
-	 */
-	function flash($message = null, $type = 'success', $session = true)
+	function flash(string $message = null, string $type = 'success', bool $session = true)
 	{
-		(new \MasterRO\Flash\Flash($message, $type, $session))->push();
+	    if (!$message) {
+	        return \MasterRO\Flash\Flash::make();
+        }
+
+	    return \MasterRO\Flash\Flash::make($message, $type, $session)->push();
 	}
 }

tests/FlashTest.php

@@ -0,0 +1,110 @@
+<?php
+
+declare(strict_types=1);
+
+namespace MasterRO\Flash\Tests;
+
+use Flash;
+use MasterRO\Flash\FlashFacade;
+use Orchestra\Testbench\TestCase;
+
+class FlashTest extends TestCase
+{
+    protected function getPackageAliases($app)
+    {
+        return [
+            'Flash' => FlashFacade::class,
+        ];
+    }
+
+    /** @test */
+    public function it_puts_message_to_session()
+    {
+        flash('Test');
+
+        [$sessionMessage] = session('flash_messages', [null]);
+
+        $this->assertEquals('Test', $sessionMessage['message']);
+        $this->assertEquals('success', $sessionMessage['type']);
+    }
+
+    /** @test */
+    public function it_puts_success_message_to_session()
+    {
+        flash('Success message', 'success');
+
+        [$sessionMessage] = session('flash_messages', [null]);
+
+        $this->assertEquals('Success message', $sessionMessage['message']);
+        $this->assertEquals('success', $sessionMessage['type']);
+
+        session()->flush();
+
+        flash()->success('Success message 2');
+
+        [$sessionMessage] = session('flash_messages', [null]);
+
+        $this->assertEquals('Success message 2', $sessionMessage['message']);
+        $this->assertEquals('success', $sessionMessage['type']);
+
+        session()->flush();
+
+        Flash::success('Success message 3');
+
+        [$sessionMessage] = session('flash_messages', [null]);
+
+        $this->assertEquals('Success message 3', $sessionMessage['message']);
+        $this->assertEquals('success', $sessionMessage['type']);
+    }
+
+    /** @test */
+    public function it_puts_error_message_to_session()
+    {
+        flash('Error message', 'error');
+
+        [$sessionMessage] = session('flash_messages', [null]);
+
+        $this->assertEquals('Error message', $sessionMessage['message']);
+        $this->assertEquals('error', $sessionMessage['type']);
+
+        session()->flush();
+
+        flash()->error('Error message 2');
+
+        [$sessionMessage] = session('flash_messages', [null]);
+
+        $this->assertEquals('Error message 2', $sessionMessage['message']);
+        $this->assertEquals('error', $sessionMessage['type']);
+
+        session()->flush();
+
+        Flash::error('Error message 3');
+
+        [$sessionMessage] = session('flash_messages', [null]);
+
+        $this->assertEquals('Error message 3', $sessionMessage['message']);
+        $this->assertEquals('error', $sessionMessage['type']);
+    }
+
+    public function it_puts_multiple_flash_messages()
+    {
+        flash('Error message', 'error');
+        flash('Success message');
+        flash()->info('Info message');
+        Flash::warning('Warning message');
+
+        $tests = [
+            ['Error message', 'error'],
+            ['Success message', 'success'],
+            ['Info message', 'info'],
+            ['Warning message', 'warning'],
+        ];
+
+        foreach ($tests as $key => $test) {
+            $sessionMessage = session('flash_messages', [])[$key] ?? null;
+
+            $this->assertEquals($test[0], $sessionMessage['message']);
+            $this->assertEquals($test[1], $sessionMessage['type']);
+        }
+    }
+}