Add tests for the head component

packages/framework/tests/Unit/Views/HeadComponentViewTest.php

@@ -0,0 +1,79 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Hyde\Framework\Testing\Unit\Views;
+
+use Hyde\Hyde;
+use Hyde\Pages\VirtualPage;
+use Hyde\Testing\TestCase;
+use Illuminate\Support\Facades\Blade;
+
+/**
+ * @see resources/views/layouts/styles.blade.php
+ */
+class HeadComponentViewTest extends TestCase
+{
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->mockPage();
+    }
+
+    protected function renderTestView(): string
+    {
+        return Blade::render($this->escapeIncludes(file_get_contents(Hyde::vendorPath('resources/views/layouts/head.blade.php'))));
+    }
+
+    public function testComponentCanBeRendered()
+    {
+        $this->mockPage();
+        $this->assertStringContainsString('<meta charset="utf-8">', $this->renderTestView());
+    }
+
+    public function testTitleElementUsesPageHtmlTitle()
+    {
+        $page = $this->createMock(VirtualPage::class);
+        $page->method('htmlTitle')->willReturn('Foo Bar');
+        $this->mockPage($page);
+
+        $this->assertStringContainsString('<title>Foo Bar</title>', $this->renderTestView());
+    }
+
+    public function testLinkToFaviconIsNotAddedWhenFileDoesNotExist()
+    {
+        $this->assertStringNotContainsString('favicon', $this->renderTestView());
+    }
+
+    public function testLinkToFaviconIsAddedWhenFileExists()
+    {
+        $this->mockPage();
+        $this->file('_media/favicon.ico');
+
+        $this->assertStringContainsString('<link rel="shortcut icon" href="media/favicon.ico" type="image/x-icon">', $this->renderTestView());
+    }
+
+    public function testLinkToFaviconUsesRelativeUrl()
+    {
+        $this->file('_media/favicon.ico');
+        $this->mockPage(currentPage: 'foo/bar');
+
+        $this->assertStringContainsString('<link rel="shortcut icon" href="../media/favicon.ico" type="image/x-icon">', $this->renderTestView());
+    }
+
+    public function testComponentIncludesMetaView()
+    {
+        $this->assertStringContainsString("@include('hyde::layouts.meta')", $this->renderTestView());
+    }
+
+    public function testComponentIncludesStylesView()
+    {
+        $this->assertStringContainsString("@include('hyde::layouts.styles')", $this->renderTestView());
+    }
+
+    protected function escapeIncludes(string $contents): string
+    {
+        return str_replace('@include', '@@include', $contents);
+    }
+}