Added tests to vocabulary and ability to print by key press

tests/Unit/VocabularyTest.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace Tests\Unit;
+
+use App\Paper\Vocabulary;
+use Tests\TestCase;
+
+class VocabularyTest extends TestCase
+{
+
+    public function testGetExistingWordData()
+    {
+        $voc = new Vocabulary();
+        $data = $voc->getWordData('random');
+        $this->assertNotEmpty($data);
+        $element = $data->find('.wordPage[data-word="random"]');
+        $this->assertCount(1, $element);
+    }
+
+    public function testGetNonExistingWordData()
+    {
+        $nonExistingWord = time();
+        $voc = new Vocabulary();
+        $data = $voc->getWordData($nonExistingWord);
+        $this->assertNotEmpty($data);
+        $element = $data->find('.wordPage[data-word="random"]');
+        $this->assertCount(0, $element);
+
+        $elementNotFound = $data->find('.noresults[data-search="' . $nonExistingWord . '"]');
+        $this->assertCount(1, $elementNotFound);
+    }
+
+    public function testGetExistingWord()
+    {
+        $dummyWord = 'dummy';
+        $vot = new Vocabulary();
+        $word = $vot->getWord($dummyWord);
+
+        $this->assertEquals('en', $word->lang);
+        $this->assertEquals('dummy', $word->word);
+        $this->assertEquals('dump', $word->next);
+        $this->assertEquals('dumbstruck', $word->prev);
+        $this->assertEquals('Have you ever seen an entertainer make a doll look like it’s talking? The entertainer is using a dummy — a doll made to look like a person.', $word->short);
+        $this->assertEquals("A dummy is a type of doll that looks like a person. Entertainers called ventriloquists can make dummies appear to talk. The automobile industry uses dummies in cars to study how safe cars are during a crash. A dummy can also be anything that looks real but doesn’t work: a fake. Actors in a play might use certain props that are dummies, such as a dummy laptop. Dummy is also an insult used to mean “an ignorant person.”", $word->long);
+
+    }
+
+    public function testGetRandomWord()
+    {
+        $vot = new Vocabulary();
+        $word = $vot->getRandomWord();
+        $this->assertNotNull($word);
+    }
+
+    public function testGetRandomWordData()
+    {
+        $vot = new Vocabulary();
+        $word = $vot->getRandomWord();
+        $this->assertNotNull($word);
+
+        $wordData = $vot->getWord($word);
+
+        $this->assertEquals('en', $wordData->lang);
+        $this->assertNotEmpty($wordData->word);
+        $this->assertNotEmpty($wordData->next);
+        $this->assertNotEmpty($wordData->prev);
+        $this->assertNotEmpty($wordData->short);
+        $this->assertNotEmpty($wordData->long);
+
+    }
+}