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lib/sc/tests/CoreTest.php

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+<?php
+
+namespace Spekulatius\PHPScraper\Tests;
+
+class CoreTest extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @test
+     */
+    public function testMethodAndPropertyCallsAreEqual()
+    {
+        $web = new \Spekulatius\PHPScraper\PHPScraper;
+
+        // Navigate to test page
+        $web->go('https://phpscraper.de');
+
+        // Both the method call as well as property call should return the same...
+        $this->assertSame($web->title, $web->title());
+    }
+
+    /**
+     * Test if our local variable is updated correctly.
+     *
+     * @test
+     */
+    public function testChangeOfCurrentPage()
+    {
+        $web = new \Spekulatius\PHPScraper\PHPScraper;
+
+        // 1. Navigate to test page
+        $web->go('https://test-pages.phpscraper.de/meta/lorem-ipsum.html');
+
+        // Both the method call as well as property call should return the same...
+        $this->assertSame(
+            'https://test-pages.phpscraper.de/meta/lorem-ipsum.html',
+            $web->currentUrl
+        );
+        $this->assertSame(
+            'Lorem Ipsum',
+            $web->title
+        );
+
+        // 2. Leave the current page and head on to the next one.
+        $web->go('https://phpscraper.de');
+
+        // We should have navigated.
+        $this->assertSame(
+            'https://phpscraper.de',
+            $web->currentUrl
+        );
+
+        // Shouldn't match, because we surfed on...
+        $this->assertNotSame(
+            'https://test-pages.phpscraper.de/meta/lorem-ipsum.html',
+            $web->currentUrl
+        );
+        $this->assertNotSame(
+            'Lorem Ipsum',
+            $web->title
+        );
+    }
+
+    /**
+     * Calls should be chainable and easy to access.
+     *
+     * @test
+     */
+    public function testBasicChainability()
+    {
+        // Testing env: First h1: "We are testing here & elsewhere!"
+        $url = 'https://test-pages.phpscraper.de/meta/html-entities.html';
+
+        // Test 1: Create, navigate to the test page.
+        $web = new \Spekulatius\PHPScraper\PHPScraper;
+        $web->go($url);
+
+        // Check the h1
+        $this->assertSame(
+            'We are testing here & elsewhere!',
+            $web->h1[0]
+        );
+
+        // Test 2: Chained
+        $this->assertSame(
+            'We are testing here & elsewhere!',
+
+            // Chained
+            (new \Spekulatius\PHPScraper\PHPScraper)
+                ->go($url)
+                ->h1[0]
+        );
+    }
+}