Initial unit tests, code cleanup

src/Dataset.php

@@ -7,6 +7,10 @@ use NoccyLabs\Dataset\Readers\JsonReader;
 
 class Dataset
 {
+    protected string $packageName;
+
+    protected string $datasetName;
+
     protected string $identifier;
     
     protected array $options;
@@ -18,6 +22,8 @@ class Dataset
         $this->identifier = $identifier;
         $this->options = $options;
         $this->version = $version;
+
+        [$this->packageName, $this->datasetName] = explode("#", $identifier, 2);
     }
 
     public function getIdentifier(): string
@@ -25,11 +31,31 @@ class Dataset
         return $this->identifier;
     }
 
+    public function getPackageName(): string
+    {
+        return $this->packageName;
+    }
+
+    public function getDatasetName(): string
+    {
+        return $this->datasetName;
+    }
+
     public function getVersion(): ?string
     {
         return $this->version;
     }
 
+    public function getComment(): ?string
+    {
+        return array_key_exists('comment', $this->options) ? $this->options['comment'] : null;
+    }
+
+    public function getLicense(): ?string
+    {
+        return array_key_exists('license', $this->options) ? $this->options['license'] : null;
+    }
+
     public function open(): ReaderInterface
     {
         $filename = $this->options['filename'];