fixed var name, added missing test and example

Author: grgk

examples/analyze_string.php

@@ -0,0 +1,19 @@
+<?php
+/**
+ * HTML string analyze example
+ *
+ * Executes file seo analyze on local html file.
+ */
+
+require_once(__DIR__ . '/../vendor/autoload.php');
+
+use SeoAnalyzer\Analyzer;
+
+try {
+    $htmlString = file_get_contents(__DIR__ . '/data/example.html');
+    $results = (new Analyzer())->analyzeHtml($htmlString);
+} catch (ReflectionException $e) {
+    echo "Error loading metric file: " . $e->getMessage();
+}
+
+print_r($results);

src/Analyzer.php

@@ -94,15 +94,15 @@ public function analyzeFile(string $filename, string $locale = null): array
     /**
      * Analyzes html document from string.
      *
-     * @param string $htmlstring
+     * @param string $htmlString
      * @param string|null $locale
      * @return array
      * @throws ReflectionException
      */
-    public function analyzeHtml(string $htmlstring, string $locale = null): array
+    public function analyzeHtml(string $htmlString, string $locale = null): array
     {
         $this->page = new Page(null, $locale, $this->client);
-        $this->page->content = $htmlstring;
+        $this->page->content = $htmlString;
         return $this->analyze();
     }
 

tests/TestCase/AnalyzerTest.php

@@ -90,6 +90,24 @@ public function testAnalyzeFilePass()
         $this->assertArrayHasKey('negative_impact', current($results));
     }
 
+    /**
+     * @throws ReflectionException
+     */
+    public function testAnalyzeHtmlPass()
+    {
+        $clientMock = $this->getClientMock();
+        $analyzer = new Analyzer(null, $clientMock);
+        $htmlString =  file_get_contents(dirname(__DIR__) . '/data/test.html');
+        $results = $analyzer->analyzeHtml($htmlString);
+        $this->assertTrue(is_array($results));
+        $this->assertEquals(count($analyzer->getMetrics()), count($results));
+        $this->assertArrayHasKey('analysis', current($results));
+        $this->assertArrayHasKey('name', current($results));
+        $this->assertArrayHasKey('description', current($results));
+        $this->assertArrayHasKey('value', current($results));
+        $this->assertArrayHasKey('negative_impact', current($results));
+    }
+
     /**
      * @throws HttpException
      * @throws ReflectionException