Add PHPUnit integration

Author: sebastiandedeyne

composer.json

@@ -32,7 +32,7 @@
     },
     "autoload-dev": {
         "psr-4": {
-            "Spatie\\TabularAssertions\\Tests\\": "tests/"
+            "Tests\\": "tests/"
         }
     },
     "scripts": {

src/PHPUnit/TabularAssertions.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace Spatie\TabularAssertions\PHPUnit;
+
+use PHPUnit\Framework\TestCase;
+use Spatie\TabularAssertions\Table;
+
+/** @mixin TestCase */
+trait TabularAssertions
+{
+    public function assertMatchesTable(string $expected, array $actual): void
+    {
+        [$expected, $actual] = Table::from($expected)->compare($actual);
+
+        $this->assertSame($expected, $actual);
+    }
+}

tests/Integration/PHPUnitTest.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Tests\Integration;
+
+use PHPUnit\Framework\TestCase;
+use Spatie\TabularAssertions\PHPUnit\TabularAssertions;
+
+class PHPUnitTest extends TestCase
+{
+    use TabularAssertions;
+
+    public function test_it_compares_a_table(): void
+    {
+        $this->assertMatchesTable('
+            |   id | name        | email           |
+            |   20 | John Doe    | john@doe.com    |
+            | 1245 | Jane Doe    | jane@doe.com    |
+        ', [
+            ['id' => 20, 'name' => 'John Doe', 'email' => 'john@doe.com'],
+            ['id' => 1245, 'name' => 'Jane Doe', 'email' => 'jane@doe.com'],
+        ]);
+    }
+}