WIP: test coverage for parser.

applied formatting fixes to other tests while at it.

tests/Ilios/MeSH/Model/DescriptorSetTest.php

@@ -63,7 +63,6 @@ public function testAddGetDescriptors()
         $this->object->addDescriptor($descriptor3);
         $this->assertEquals(count($this->object->getDescriptors()), 2);
         $this->assertEquals($this->object->getDescriptors()[1], $descriptor3);
-
     }
 
     /**

tests/Ilios/MeSH/Model/DescriptorTest.php

@@ -129,7 +129,6 @@ public function testGetSetPublicMeshNote()
     public function testAddGetPreviousIndexing()
     {
         $this->addTextToListTest($this->object, 'previousIndexing', 'getPreviousIndexing');
-
     }
 
     /**
@@ -175,7 +174,6 @@ public function testAddGetPharmacologicalAction()
     public function testAddGetTreeNumbers()
     {
         $this->addTextToListTest($this->object, 'treeNumber');
-
     }
 
     /**

tests/Ilios/MeSH/ParserTest.php

@@ -0,0 +1,108 @@
+<?php
+
+namespace Ilios\MeSH;
+
+class ParserTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var Parser
+     */
+    protected $parser;
+
+    /**
+     * @inheritdoc
+     */
+    protected function setUp()
+    {
+        $this->parser = new Parser();
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function tearDown()
+    {
+        unset($this->parser);
+    }
+
+    /**
+     * @covers Parser:test
+     */
+    public function testForInvalidInputUriFailure()
+    {
+        $uri = 'this/is/a/path/that/does/not/exist/desc.xml';
+        try {
+            $this->parser->parse($uri);
+        } catch (\Exception $e) {
+            $this->assertSame("XML reader failed to open ${uri}.", $e->getMessage());
+        }
+    }
+
+    /**
+     * @covers Parser:test
+     */
+    public function testForIncompleteDateFailure()
+    {
+        $xml =<<<EOL
+<?xml version="1.0"?>
+<!DOCTYPE DescriptorRecordSet SYSTEM "https://www.nlm.nih.gov/databases/dtd/nlmdescriptorrecordset_20170101.dtd">
+<DescriptorRecordSet LanguageCode="eng">
+    <DescriptorRecord DescriptorClass="1">
+        <DescriptorUI>D000000</DescriptorUI>
+        <DescriptorName>
+            <String>a descriptor</String>
+        </DescriptorName>
+        <DateCreated>
+            <Year>2016</Year>
+            <Month>12</Month>
+        </DateCreated>
+    </DescriptorRecord>
+</DescriptorRecordSet>
+EOL;
+        try {
+            /* @link http://php.net/manual/en/wrappers.data.php */
+            $this->parser->parse('data://text/plain;base64,' . base64_encode($xml));
+        } catch (\Exception $e) {
+            $this->assertSame('Could not retrieve Year/Month/Day info from node "DateCreated".', $e->getMessage());
+        }
+    }
+
+    /**
+     * @covers Parser:test
+     */
+    public function testForInvalidStringNodeFailure()
+    {
+        $xml =<<<EOL
+<?xml version="1.0"?>
+<!DOCTYPE DescriptorRecordSet SYSTEM "https://www.nlm.nih.gov/databases/dtd/nlmdescriptorrecordset_20170101.dtd">
+<DescriptorRecordSet LanguageCode="eng">
+    <DescriptorRecord DescriptorClass="1">
+        <DescriptorUI>D000000</DescriptorUI>
+        <AllowableQualifiersList>
+            <AllowableQualifier>
+                <QualifierReferredTo>
+                    <QualifierUI>Q000001</QualifierUI>
+                    <QualifierName>
+                        this should be wrapped in a "String" element, but isn't.
+                    </QualifierName>
+                </QualifierReferredTo>
+            </AllowableQualifier>
+        </AllowableQualifiersList>
+    </DescriptorRecord>
+</DescriptorRecordSet>
+EOL;
+        try {
+            $this->parser->parse('data://text/plain;base64,' . base64_encode($xml));
+        } catch (\Exception $e) {
+            $this->assertSame('Node "QualifierName" does not contain a child node of type "String".', $e->getMessage());
+        }
+    }
+
+    /**
+     * @covers Parser:test
+     */
+    public function testParse()
+    {
+        $this->markTestIncomplete('To be implemented.');
+    }
+}