Add base test coverage

tests/Unit/TrackerTest.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Thoughtco\StatamicCacheTracker\Tests\Unit;
+
+use Illuminate\Support\Facades\Event;
+use PHPUnit\Framework\Attributes\Test;
+use Thoughtco\StatamicCacheTracker\Events\ContentTracked;
+use Thoughtco\StatamicCacheTracker\Facades\Tracker;
+use Thoughtco\StatamicCacheTracker\Tests\TestCase;
+
+class TrackerTest extends TestCase
+{
+    #[Test]
+    public function it_tracks_uncached_pages()
+    {
+        Event::fake();
+
+        Tracker::addAdditionalTracker(function ($tracker, $next) {
+            $tracker->addContentTag('test::tag');
+        });
+
+        $this->get('/');
+
+        $this->assertSame(['test::tag'], collect(Tracker::all())->first()['tags']);
+
+        Event::assertDispatched(ContentTracked::class, 1);
+    }
+
+    #[Test]
+    public function it_doesnt_track_already_cached_pages()
+    {
+        Event::fake();
+
+        Tracker::addAdditionalTracker(function ($tracker, $next) {
+            $tracker->addContentTag('test::tag');
+        });
+
+        $this->get('/');
+
+        $this->assertSame(['test::tag'], collect(Tracker::all())->first()['tags']);
+
+        $this->get('/');
+
+        $this->assertSame(['test::tag'], collect(Tracker::all())->first()['tags']);
+
+        Event::assertDispatched(ContentTracked::class, 1);
+    }
+
+    #[Test]
+    public function it_doesnt_track_pages_already_in_the_manifest()
+    {
+        Event::fake();
+
+        Tracker::add('/', ['some:thing']);
+
+        Tracker::addAdditionalTracker(function ($tracker, $next) {
+            $tracker->addContentTag('test::tag');
+        });
+
+        $this->get('/');
+
+        $this->assertSame(['some:thing'], collect(Tracker::all())->first()['tags']);
+    }
+}