Add basic tests for ResourcePathIndex and PathResourceCompletion

Author: cedricziel

build.gradle

@@ -18,7 +18,7 @@ apply plugin: 'java'
 
 intellij {
     version 'IU-2017.2.5'
-    plugins = ['com.jetbrains.php:172.4155.41']
+    plugins = ['com.jetbrains.php:172.4155.41', 'CSS', 'java-i18n', 'properties']
     pluginName 'TYPO3 CMS Plugin'
 
     publishPlugin {

src/test/java/com/cedricziel/idea/typo3/codeInsight/PathResourceCompletionContributorTest.java

@@ -0,0 +1,14 @@
+package com.cedricziel.idea.typo3.codeInsight;
+
+import com.cedricziel.idea.typo3.index.ResourcePathIndex;
+import com.intellij.testFramework.fixtures.LightCodeInsightFixtureTestCase;
+
+public class PathResourceCompletionContributorTest extends LightCodeInsightFixtureTestCase {
+    public void testResourcesAreIndexed() {
+        myFixture.addFileToProject("typo3conf/ext/foo/bar.php", "");
+        myFixture.addFileToProject("typo3/sysext/baz/bar.png", "");
+
+        assertTrue(ResourcePathIndex.projectContainsResourceFile(myFixture.getProject(), "EXT:foo/bar.php"));
+        assertTrue(ResourcePathIndex.projectContainsResourceFile(myFixture.getProject(), "EXT:baz/bar.png"));
+    }
+}

src/test/java/com/cedricziel/idea/typo3/index/ResourcePathIndexTest.java

@@ -0,0 +1,25 @@
+package com.cedricziel.idea.typo3.index;
+
+import com.intellij.testFramework.fixtures.LightCodeInsightFixtureTestCase;
+import com.jetbrains.php.lang.PhpFileType;
+
+import java.util.List;
+
+public class ResourcePathIndexTest extends LightCodeInsightFixtureTestCase {
+    public void testResourcesAreIndexed() {
+        myFixture.addFileToProject("typo3conf/ext/foo/bar.php", "");
+        myFixture.addFileToProject("typo3/sysext/baz/bar.png", "");
+        myFixture.configureByText(PhpFileType.INSTANCE, "<?php \n" +
+                "echo 'EXT:<caret>';");
+        myFixture.completeBasic();
+
+        List<String> lookupElementStrings = myFixture.getLookupElementStrings();
+
+        if (lookupElementStrings == null) {
+            fail("Could not complete");
+        }
+
+        assertContainsElements(lookupElementStrings, "EXT:foo/bar.php");
+        assertContainsElements(lookupElementStrings, "EXT:baz/bar.png");
+    }
+}