Add external links for tasks with plugin api

tests/units/ExternalLink/WebLinkProviderTest.php

@@ -0,0 +1,52 @@
+<?php
+
+require_once __DIR__.'/../Base.php';
+
+use Kanboard\ExternalLink\WebLinkProvider;
+
+class WebLinkProviderTest extends Base
+{
+    public function testGetName()
+    {
+        $webLinkProvider = new WebLinkProvider($this->container);
+        $this->assertEquals('Web Link', $webLinkProvider->getName());
+    }
+
+    public function testGetType()
+    {
+        $webLinkProvider = new WebLinkProvider($this->container);
+        $this->assertEquals('weblink', $webLinkProvider->getType());
+    }
+
+    public function testGetDependencies()
+    {
+        $webLinkProvider = new WebLinkProvider($this->container);
+        $this->assertEquals(array('related' => 'Related'), $webLinkProvider->getDependencies());
+    }
+
+    public function testMatch()
+    {
+        $webLinkProvider = new WebLinkProvider($this->container);
+
+        $webLinkProvider->setUserTextInput('http://kanboard.net/');
+        $this->assertTrue($webLinkProvider->match());
+
+        $webLinkProvider->setUserTextInput('http://kanboard.net/mypage');
+        $this->assertTrue($webLinkProvider->match());
+
+        $webLinkProvider->setUserTextInput('  https://kanboard.net/ ');
+        $this->assertTrue($webLinkProvider->match());
+
+        $webLinkProvider->setUserTextInput('http:// invalid url');
+        $this->assertFalse($webLinkProvider->match());
+
+        $webLinkProvider->setUserTextInput('');
+        $this->assertFalse($webLinkProvider->match());
+    }
+
+    public function testGetLink()
+    {
+        $webLinkProvider = new WebLinkProvider($this->container);
+        $this->assertInstanceOf('\Kanboard\ExternalLink\WebLink', $webLinkProvider->getLink());
+    }
+}