diff --git a/.gitignore b/.gitignore
index b576366..b9ca4e9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ node_modules
 bower_components
 js/dist
 composer.lock
+.phpunit.result.cache
diff --git a/composer.json b/composer.json
index 01922d3..a73a2ac 100644
--- a/composer.json
+++ b/composer.json
@@ -53,18 +53,36 @@
         },
         "flarum-cli": {
             "modules": {
-                "githubActions": true
+                "githubActions": true,
+                "backendTesting": true
             }
         }
     },
     "require-dev": {
-        "flarum/phpstan": "*"
+        "flarum/phpstan": "*",
+        "flarum/testing": "^1.0.0"
     },
     "scripts": {
         "analyse:phpstan": "phpstan analyse",
-        "clear-cache:phpstan": "phpstan clear-result-cache"
+        "clear-cache:phpstan": "phpstan clear-result-cache",
+        "test": [
+            "@test:unit",
+            "@test:integration"
+        ],
+        "test:unit": "phpunit -c tests/phpunit.unit.xml",
+        "test:integration": "phpunit -c tests/phpunit.integration.xml",
+        "test:setup": "@php tests/integration/setup.php"
     },
     "scripts-descriptions": {
-        "analyse:phpstan": "Run static analysis"
+        "analyse:phpstan": "Run static analysis",
+        "test": "Runs all tests.",
+        "test:unit": "Runs all unit tests.",
+        "test:integration": "Runs all integration tests.",
+        "test:setup": "Sets up a database for use with integration tests. Execute this only once."
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "FoF\\Filter\\Tests\\": "tests/"
+        }
     }
 }
diff --git a/tests/fixtures/.gitkeep b/tests/fixtures/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/tests/integration/api/CreatePostTest.php b/tests/integration/api/CreatePostTest.php
new file mode 100644
index 0000000..ba913d3
--- /dev/null
+++ b/tests/integration/api/CreatePostTest.php
@@ -0,0 +1,105 @@
+<?php
+
+namespace FoF\Filter\Tests\integration\api;
+
+use Flarum\Discussion\Discussion;
+use Flarum\Testing\integration\RetrievesAuthorizedUsers;
+use Flarum\Testing\integration\TestCase;
+use Illuminate\Support\Arr;
+
+class CreatePostTest extends TestCase
+{
+    use RetrievesAuthorizedUsers;
+
+    protected function setUp(): void
+    {
+        $this->extension('flarum-flags', 'flarum-approval', 'fof-filter');
+
+        $this->prepareDatabase([
+            'users' => [
+                $this->normalUser(),
+            ],
+            'settings' => [
+                ['key' => 'fof-filter.words', 'value' => 'wibble'.PHP_EOL.'wobble'.PHP_EOL],
+                ['key' => 'fof-filter.censors', 'value' => '["\/(w|w\\.|w\\-|\u03c9|\u03c8|\u03a8)(i|i\\.|i\\-|!|\\||\\]\\[|]|1|\u222b|\u00cc|\u00cd|\u00ce|\u00cf|\u00ec|\u00ed|\u00ee|\u00ef)(b|b\\.|b\\-|8|\\|3|\u00df|\u0392|\u03b2)(b|b\\.|b\\-|8|\\|3|\u00df|\u0392|\u03b2)(l|1\\.|l\\-|!|\\||\\]\\[|]|\u00a3|\u222b|\u00cc|\u00cd|\u00ce|\u00cf)(e|e\\.|e\\-|3|\u20ac|\u00c8|\u00e8|\u00c9|\u00e9|\u00ca|\u00ea|\u2211)\/i","\/(w|w\\.|w\\-|\u03c9|\u03c8|\u03a8)(o|o\\.|o\\-|0|\u039f|\u03bf|\u03a6|\u00a4|\u00b0|\u00f8)(b|b\\.|b\\-|8|\\|3|\u00df|\u0392|\u03b2)(b|b\\.|b\\-|8|\\|3|\u00df|\u0392|\u03b2)(l|1\\.|l\\-|!|\\||\\]\\[|]|\u00a3|\u222b|\u00cc|\u00cd|\u00ce|\u00cf)(e|e\\.|e\\-|3|\u20ac|\u00c8|\u00e8|\u00c9|\u00e9|\u00ca|\u00ea|\u2211)\/i"]']
+            ]
+        ]);
+
+        parent::setUp();
+
+    }
+
+    /**
+     * @test
+     */
+    public function create_discussion_without_any_bad_words()
+    {
+        $response = $this->send(
+            $this->request('POST', '/api/discussions', [
+                'authenticatedAs' => 2,
+                'json' => [
+                    'data' => [
+                        'attributes' => [
+                            'title' => 'test - too-obscure',
+                            'content' => 'predetermined content for automated testing - too-obscure',
+                        ],
+                    ]
+                ],
+            ])
+        );
+
+        $this->assertEquals(201, $response->getStatusCode());
+
+        /** @var Discussion $discussion */
+        $discussion = Discussion::firstOrFail();
+        $data = json_decode($response->getBody()->getContents(), true);
+
+        $this->assertEquals('test - too-obscure', $discussion->title);
+        $this->assertEquals('test - too-obscure', Arr::get($data, 'data.attributes.title'));
+
+        $post = $discussion->firstPost;
+
+        $this->assertNotNull($post);
+        $this->assertEquals('predetermined content for automated testing - too-obscure', $post->content);
+
+        $this->assertTrue($post->is_approved);
+        $this->assertTrue($discussion->is_approved);
+    }
+
+    /**
+     * @test
+     */
+    public function create_discussion_with_bad_words()
+    {
+        $response = $this->send(
+            $this->request('POST', '/api/discussions', [
+                'authenticatedAs' => 2,
+                'json' => [
+                    'data' => [
+                        'attributes' => [
+                            'title' => 'test - wibble',
+                            'content' => 'predetermined content for automated testing - wibble',
+                        ],
+                    ]
+                ],
+            ])
+        );
+
+        $this->assertEquals(201, $response->getStatusCode());
+
+        /** @var Discussion $discussion */
+        $discussion = Discussion::firstOrFail();
+        $data = json_decode($response->getBody()->getContents(), true);
+
+        $this->assertEquals('test - wibble', $discussion->title);
+        $this->assertEquals('test - wibble', Arr::get($data, 'data.attributes.title'));
+
+        $post = $discussion->firstPost;
+
+        $this->assertNotNull($post);
+        $this->assertEquals('predetermined content for automated testing - wibble', $post->content);
+
+        $this->assertFalse($post->is_approved);
+        $this->assertFalse($discussion->is_approved);
+    }
+}
diff --git a/tests/integration/setup.php b/tests/integration/setup.php
new file mode 100644
index 0000000..67039c0
--- /dev/null
+++ b/tests/integration/setup.php
@@ -0,0 +1,16 @@
+<?php
+
+/*
+ * This file is part of Flarum.
+ *
+ * For detailed copyright and license information, please view the
+ * LICENSE file that was distributed with this source code.
+ */
+
+use Flarum\Testing\integration\Setup\SetupScript;
+
+require __DIR__.'/../../vendor/autoload.php';
+
+$setup = new SetupScript();
+
+$setup->run();
diff --git a/tests/phpunit.integration.xml b/tests/phpunit.integration.xml
new file mode 100644
index 0000000..90fbbff
--- /dev/null
+++ b/tests/phpunit.integration.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    backupGlobals="false"
+    backupStaticAttributes="false"
+    colors="true"
+    convertErrorsToExceptions="true"
+    convertNoticesToExceptions="true"
+    convertWarningsToExceptions="true"
+    processIsolation="true"
+    stopOnFailure="false"
+>
+    <coverage processUncoveredFiles="true">
+        <include>
+            <directory suffix=".php">../src/</directory>
+        </include>
+    </coverage>
+    <testsuites>
+        <testsuite name="Flarum Integration Tests">
+            <directory suffix="Test.php">./integration</directory>
+             <exclude>./integration/tmp</exclude>
+        </testsuite>
+    </testsuites>
+</phpunit>
diff --git a/tests/phpunit.unit.xml b/tests/phpunit.unit.xml
new file mode 100644
index 0000000..d3a4a3e
--- /dev/null
+++ b/tests/phpunit.unit.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    backupGlobals="false"
+    backupStaticAttributes="false"
+    colors="true"
+    convertErrorsToExceptions="true"
+    convertNoticesToExceptions="true"
+    convertWarningsToExceptions="true"
+    processIsolation="false"
+    stopOnFailure="false"
+>
+    <coverage processUncoveredFiles="true">
+        <include>
+            <directory suffix=".php">../src/</directory>
+        </include>
+    </coverage>
+    <testsuites>
+        <testsuite name="Flarum Unit Tests">
+            <directory suffix="Test.php">./unit</directory>
+        </testsuite>
+    </testsuites>
+    <listeners>
+        <listener class="\Mockery\Adapter\Phpunit\TestListener" />
+    </listeners>
+</phpunit>
diff --git a/tests/unit/.gitkeep b/tests/unit/.gitkeep
new file mode 100644
index 0000000..e69de29