Add tests for the RuleBasedTagger class

src/Wallabag/CoreBundle/Tests/Helper/RuleBasedTaggerTest.php

@@ -0,0 +1,158 @@
+<?php
+
+namespace Wallabag\CoreBundle\Tests\Helper;
+
+use Wallabag\CoreBundle\Entity\Config;
+use Wallabag\CoreBundle\Entity\Entry;
+use Wallabag\CoreBundle\Entity\Tag;
+use Wallabag\CoreBundle\Entity\TaggingRule;
+use Wallabag\UserBundle\Entity\User;
+use Wallabag\CoreBundle\Helper\RuleBasedTagger;
+
+class RuleBasedTaggerTest extends \PHPUnit_Framework_TestCase
+{
+    private $rulerz;
+    private $repository;
+    private $tagger;
+
+    public function setUp()
+    {
+        $this->rulerz     = $this->getRulerZMock();
+        $this->repository = $this->getTagRepositoryMock();
+
+        $this->tagger     = new RuleBasedTagger($this->rulerz, $this->repository);
+    }
+
+    public function testTagWithNoRule()
+    {
+        $entry = new Entry($this->getUser());
+
+        $this->tagger->tag($entry);
+
+        $this->assertTrue($entry->getTags()->isEmpty());
+    }
+
+    public function testTagWithNoMatchingRule()
+    {
+        $taggingRule = $this->getTaggingRule('rule as string', array('foo', 'bar'));
+        $user        = $this->getUser([$taggingRule]);
+        $entry       = new Entry($user);
+
+        $this->rulerz
+            ->expects($this->once())
+            ->method('satisfies')
+            ->with($entry, 'rule as string')
+            ->willReturn(false);
+
+        $this->tagger->tag($entry);
+
+        $this->assertTrue($entry->getTags()->isEmpty());
+    }
+
+    public function testTagWithAMatchingRule()
+    {
+        $taggingRule = $this->getTaggingRule('rule as string', array('foo', 'bar'));
+        $user        = $this->getUser([$taggingRule]);
+        $entry       = new Entry($user);
+
+        $this->rulerz
+            ->expects($this->once())
+            ->method('satisfies')
+            ->with($entry, 'rule as string')
+            ->willReturn(true);
+
+        $this->tagger->tag($entry);
+
+        $this->assertFalse($entry->getTags()->isEmpty());
+
+        $tags = $entry->getTags();
+        $this->assertSame('foo', $tags[0]->getLabel());
+        $this->assertSame($user, $tags[0]->getUser());
+        $this->assertSame('bar', $tags[1]->getLabel());
+        $this->assertSame($user, $tags[1]->getUser());
+    }
+
+    public function testTagWithAMixOfMatchingRules()
+    {
+        $taggingRule      = $this->getTaggingRule('bla bla', array('hey'));
+        $otherTaggingRule = $this->getTaggingRule('rule as string', array('foo'));
+
+        $user  = $this->getUser([$taggingRule, $otherTaggingRule]);
+        $entry = new Entry($user);
+
+        $this->rulerz
+            ->method('satisfies')
+            ->will($this->onConsecutiveCalls(false, true));
+
+        $this->tagger->tag($entry);
+
+        $this->assertFalse($entry->getTags()->isEmpty());
+
+        $tags = $entry->getTags();
+        $this->assertSame('foo', $tags[0]->getLabel());
+        $this->assertSame($user, $tags[0]->getUser());
+    }
+
+    public function testWhenTheTagExists()
+    {
+        $taggingRule = $this->getTaggingRule('rule as string', array('foo'));
+        $user        = $this->getUser([$taggingRule]);
+        $entry       = new Entry($user);
+        $tag         = new Tag($user);
+
+        $this->rulerz
+            ->expects($this->once())
+            ->method('satisfies')
+            ->with($entry, 'rule as string')
+            ->willReturn(true);
+
+        $this->repository
+            ->expects($this->once())
+            ->method('findOneByLabelAndUserId')
+            ->willReturn($tag);
+
+        $this->tagger->tag($entry);
+
+        $this->assertFalse($entry->getTags()->isEmpty());
+
+        $tags = $entry->getTags();
+        $this->assertSame($tag, $tags[0]);
+    }
+
+    private function getUser(array $taggingRules = [])
+    {
+        $user   = new User();
+        $config = new Config($user);
+
+        $user->setConfig($config);
+
+        foreach ($taggingRules as $rule) {
+            $config->addTaggingRule($rule);
+        }
+
+        return $user;
+    }
+
+    private function getTaggingRule($rule, array $tags)
+    {
+        $taggingRule = new TaggingRule();
+        $taggingRule->setRule($rule);
+        $taggingRule->setTags($tags);
+
+        return $taggingRule;
+    }
+
+    private function getRulerZMock()
+    {
+        return $this->getMockBuilder('RulerZ\RulerZ')
+            ->disableOriginalConstructor()
+            ->getMock();
+    }
+
+    private function getTagRepositoryMock()
+    {
+        return $this->getMockBuilder('Wallabag\CoreBundle\Repository\TagRepository')
+            ->disableOriginalConstructor()
+            ->getMock();
+    }
+}