From de4752f4cc0446567c8ab2f7e79923ca0ec8f228 Mon Sep 17 00:00:00 2001
From: Tagir Valeev <Tagir.Valeev@jetbrains.com>
Date: Tue, 8 Nov 2016 12:22:39 +0700
Subject: [PATCH] PsiElementConcatenationInspectionTest: mock library
 interfaces instead of actually loading them as library (IDEA-CR-15335)

---
 .../LightPlatformCodeInsightTestCase.java     |  9 +++++
 ...PsiElementConcatenationInspectionTest.java | 40 ++++++++++---------
 2 files changed, 30 insertions(+), 19 deletions(-)

diff --git a/platform/testFramework/src/com/intellij/testFramework/LightPlatformCodeInsightTestCase.java b/platform/testFramework/src/com/intellij/testFramework/LightPlatformCodeInsightTestCase.java
index 2a35ff76b0e6..0807aaaa09d8 100644
--- a/platform/testFramework/src/com/intellij/testFramework/LightPlatformCodeInsightTestCase.java
+++ b/platform/testFramework/src/com/intellij/testFramework/LightPlatformCodeInsightTestCase.java
@@ -252,6 +252,15 @@ public abstract class LightPlatformCodeInsightTestCase extends LightPlatformTest
     });
   }
 
+  @NotNull
+  protected static VirtualFile createAndSaveFile(@NotNull String relativePath, @NotNull String fileText) throws IOException {
+    return WriteCommandAction.runWriteCommandAction(getProject(), (ThrowableComputable<VirtualFile, IOException>)() -> {
+      VirtualFile myVFile = VfsTestUtil.createFile(getSourceRoot(),relativePath);
+      VfsUtil.saveText(myVFile, fileText);
+      return myVFile;
+    });
+  }
+
   private static void setupEditorForInjectedLanguage() {
     if (myEditor != null) {
       final Ref<EditorWindow> editorWindowRef = new Ref<>();
diff --git a/plugins/devkit/testSources/inspections/PsiElementConcatenationInspectionTest.java b/plugins/devkit/testSources/inspections/PsiElementConcatenationInspectionTest.java
index 3f55b45b4a56..81b9eced9bd6 100644
--- a/plugins/devkit/testSources/inspections/PsiElementConcatenationInspectionTest.java
+++ b/plugins/devkit/testSources/inspections/PsiElementConcatenationInspectionTest.java
@@ -18,29 +18,31 @@ package org.jetbrains.idea.devkit.inspections;
 import com.intellij.codeInsight.daemon.quickFix.LightQuickFixParameterizedTestCase;
 import com.intellij.codeInspection.LocalInspectionTool;
 import com.intellij.openapi.application.PluginPathManager;
-import com.intellij.openapi.module.Module;
-import com.intellij.openapi.roots.ContentEntry;
-import com.intellij.openapi.roots.ModifiableRootModel;
-import com.intellij.psi.PsiElement;
-import com.intellij.psi.PsiElementFactory;
-import com.intellij.testFramework.LightProjectDescriptor;
-import com.intellij.testFramework.PsiTestUtil;
-import com.intellij.testFramework.fixtures.DefaultLightProjectDescriptor;
-import com.intellij.util.PathUtil;
 import org.jetbrains.annotations.NotNull;
 
+import java.io.IOException;
+import java.io.UncheckedIOException;
+
 public class PsiElementConcatenationInspectionTest extends LightQuickFixParameterizedTestCase {
-  @NotNull
   @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return new DefaultLightProjectDescriptor() {
-      @Override
-      public void configureModule(@NotNull Module module, @NotNull ModifiableRootModel model, @NotNull ContentEntry contentEntry) {
-        super.configureModule(module, model, contentEntry);
-        PsiTestUtil.addLibrary(module, model, "core-api", "", PathUtil.getJarPathForClass(PsiElement.class));
-        PsiTestUtil.addLibrary(module, model, "java-psi-api", "", PathUtil.getJarPathForClass(PsiElementFactory.class));
-      }
-    };
+  protected void beforeActionStarted(String testName, String contents) {
+    try {
+      createAndSaveFile("com/intellij/psi/PsiElement.java",
+                        "package com.intellij.psi;interface PsiElement {}");
+      createAndSaveFile("com/intellij/psi/PsiExpression.java",
+                        "package com.intellij.psi;interface PsiExpression extends PsiElement {}");
+      createAndSaveFile("com/intellij/psi/PsiType.java",
+                        "package com.intellij.psi;interface PsiType {}");
+      createAndSaveFile("com/intellij/psi/PsiElementFactory.java",
+                        "package com.intellij.psi;\n" +
+                        "interface PsiElementFactory {\n" +
+                        "PsiExpression createExpressionFromText(String str, PsiElement context);\n" +
+                        "}");
+    }
+    catch (IOException e) {
+      throw new UncheckedIOException(e);
+    }
+    super.beforeActionStarted(testName, contents);
   }
 
   @NotNull