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lib/sc/tests/CanonicalTest.php

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+<?php
+
+namespace Spekulatius\PHPScraper\Tests;
+
+class CanonicalTest extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @test
+     */
+    public function testMissingCanonical()
+    {
+        $web = new \Spekulatius\PHPScraper\PHPScraper;
+
+        // Go to the test page
+        $web->go('https://test-pages.phpscraper.de/meta/missing.html');
+
+        // null if there isn't a canonical set.
+        $this->assertNull($web->canonical);
+    }
+
+    /**
+     * @test
+     */
+    public function testWithCanonical()
+    {
+        $web = new \Spekulatius\PHPScraper\PHPScraper;
+
+        // Navigate to the test page.
+        // It contains: <link rel="canonical" href="https://test-pages.phpscraper.de/navigation/2.html" />
+        $web->go('https://test-pages.phpscraper.de/navigation/1.html');
+
+        // Check the canonical
+        $this->assertSame(
+            'https://test-pages.phpscraper.de/navigation/2.html',
+            $web->canonical
+        );
+    }
+}