add tests for FindLinks

tests/FindLinksTest.php

@@ -0,0 +1,42 @@
+<?php
+use Telegraph\FindLinks;
+
+class FindLinksTest extends PHPUnit_Framework_TestCase {
+
+  public function testFindLinksInText() {
+    $links = FindLinks::inText('Hello world http://example.com/');
+    $this->assertContains('http://example.com/', $links);
+  }
+
+  public function testFindLinksInHTML() {
+    $links = FindLinks::inHTML('<a href="http://example.com/">Hello</a>');
+    $this->assertContains('http://example.com/', $links);
+  }
+
+  public function testFindLinksInJSONArray() {
+    $links = FindLinks::all([
+      'link' => 'http://example.com/',
+      'nested' => [
+        'foo' => 'http://example.net/',
+        'html' => 'This is some html with a <a href="http://example.html/">link</a>',
+        'photo' => [
+          'http://example.com/img.jpg'
+        ],
+        'bar' => [
+          'baz' => [
+            'http://example.org/'
+          ]
+        ],
+        [[['http://example.io/']]]
+      ]
+    ]);
+    $this->assertContains('http://example.com/', $links);
+    $this->assertContains('http://example.com/img.jpg', $links);
+    $this->assertContains('http://example.net/', $links);
+    $this->assertContains('http://example.org/', $links);
+    $this->assertContains('http://example.io/', $links);
+    $this->assertContains('http://example.html/', $links);
+  }
+
+}
+