@@ -0,0 +1,946 @@
+package org.mitre.synthea.helpers;%0A%0Aimport static org.junit.Assert.assertFalse;%0Aimport static org.junit.Assert.assertNotNull;%0Aimport static org.junit.Assert.assertTrue;%0A%0Aimport java.io.File;%0Aimport java.util.Map;%0A%0Aimport org.junit.Test;%0Aimport org.mitre.synthea.helpers.Attributes.Inventory;%0A%0Apublic class AttributesTest %7B%0A  @Test%0A  public void testAttributes() throws Exception %7B%0A    Map%3CString,Inventory%3E inventory = Attributes.getAttributeInventory();%0A    assertNotNull(inventory);%0A    assertFalse(inventory.isEmpty());%0A    assertFalse(inventory.containsKey(%22%22));%0A  %7D%0A%0A  @Test%0A  public void testGraphs() throws Exception %7B%0A    Map%3CString,Inventory%3E inventory = Attributes.getAttributeInventory();%0A    String filename = %22TestAttributesGraph%22;%0A    Attributes.graph(inventory, filename, true);%0A    File file = new File(%22./output/%22 + filename + %22.png%22);%0A    assertTrue(file.exists());%0A    assertTrue(file.isFile());%0A    file.deleteOnExit();%0A  %7D%0A%7D%0A

Add Attributes helper unit test.