Added tests for module name completion in module.xml

Author: drpayyne

testData/completion/xml/ModuleNameCompletionRegistrar/moduleNameMustHaveCompletion/module.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0"?>
+<!--
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+-->
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
+    <module name="Magento_C<caret>"/>
+</config>

testData/completion/xml/ModuleNameCompletionRegistrar/sequenceModuleNameMustHaveCompletion/module.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<!--
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+-->
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
+    <module name="Magento_Theme">
+        <sequence>
+            <module name="Magento_C<caret>"/>
+        </sequence>
+    </module>
+</config>

tests/com/magento/idea/magento2plugin/completion/xml/ModuleNameCompletionRegistrarTest.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+package com.magento.idea.magento2plugin.completion.xml;
+
+public class ModuleNameCompletionRegistrarTest extends CompletionXmlFixtureTestCase {
+    private static final String[] LOOKUP_MODULE_NAMES = new String[] {
+            "Magento_Catalog",
+            "Magento_Config"
+    };
+
+    /**
+     * Tests for module name completion in module.xml
+     */
+    public void testModuleNameMustHaveCompletion() {
+        final String filePath = this.getFixturePath("module.xml");
+        myFixture.copyFileToProject(filePath);
+
+        assertFileContainsCompletions(filePath, LOOKUP_MODULE_NAMES);
+    }
+
+    /**
+     * Tests for module name completion under the sequence node in module.xml
+     */
+    public void testSequenceModuleNameMustHaveCompletion() {
+        final String filePath = this.getFixturePath("module.xml");
+        myFixture.copyFileToProject(filePath);
+
+        assertFileContainsCompletions(filePath, LOOKUP_MODULE_NAMES);
+    }
+}