java/java-tests/testSrc/com/intellij/codeInsight/actions/ReformatCodeActionTest.java

/*
 * Copyright 2000-2013 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.intellij.codeInsight.actions;

import com.intellij.openapi.module.Module;
import com.intellij.openapi.roots.ModuleRootManager;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiFile;
import com.intellij.util.containers.ContainerUtil;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;

/**
 * @author Lepenkin Y.A.
 */
public class ReformatCodeActionTest extends AbstractLayoutCodeProcessorTest {

  private static String[] classNames = {"Vasya", "Main", "Oiie", "Ololo"};

  public void testReformatAndOptimizeMultipleFiles() throws IOException {
    List<PsiFile> files = createTestFiles(getTempRootDirectory(), classNames);
    injectMockDialogFlags(new MockReformatFileSettings().setOptimizeImports(true));

    performReformatActionOnSelectedFiles(files);
    checkFormationAndImportsOptimizationFor(files);
  }

  public void testReformatSingleSelectedFile() throws IOException {
    List<PsiFile> files = createTestFiles(getTempRootDirectory(), classNames);
    PsiFile fileToReformat = files.get(0);
    List<PsiFile> shouldNotBeFormatted = files.subList(1, files.size());
    injectMockDialogFlags(new MockReformatFileSettings().setOptimizeImports(true));

    performReformatActionOnSelectedFile(fileToReformat);

    checkFormationAndImportsOptimizationFor(Arrays.asList(fileToReformat));
    checkNoProcessingWasPerformedOn(shouldNotBeFormatted);
  }

  public void testReformatAndOptimizeFileFromEditor() throws IOException {
    List<PsiFile> files = createTestFiles(getTempRootDirectory(), classNames);
    injectMockDialogFlags(new MockReformatFileSettings().setOptimizeImports(true));

    PsiFile fileToFormat = files.get(0);
    List<PsiFile> shouldNotBeFormatted = files.subList(1, files.size());

    performReformatActionOnFileInEditor(fileToFormat);
    checkFormationAndImportsOptimizationFor(Arrays.asList(fileToFormat));
    checkNoProcessingWasPerformedOn(shouldNotBeFormatted);
  }

  public void testOptimizeAndReformatOnlySelectedFiles() throws IOException {
    List<PsiFile> files = createTestFiles(getTempRootDirectory(), classNames);
    List<PsiFile> forProcessing = ContainerUtil.newArrayList(files.get(0), files.get(1));
    List<PsiFile> noProcessing = ContainerUtil.newArrayList(files.get(2), files.get(3));

    injectMockDialogFlags(new MockReformatFileSettings().setOptimizeImports(true));

    performReformatActionOnSelectedFiles(forProcessing);

    checkFormationAndImportsOptimizationFor(forProcessing);
    checkNoProcessingWasPerformedOn(noProcessing);
  }

  public void testOptimizeAndReformatAllFilesInDirectoryIncludeSubdirs() throws IOException {
    TestFileStructure fileStructure = getThreeLevelDirectoryStructure();
    injectMockDialogFlags(new MockReformatFileSettings().setOptimizeImports(true).setProcessDirectory(true).setIncludeSubdirs(true));
    PsiFile fileInEditor = fileStructure.getFilesAtLevel(2).get(0);
    List<PsiFile> shouldNotBeFormatted = fileStructure.getFilesAtLevel(1);

    performReformatActionOnFileInEditor(fileInEditor);

    checkFormationAndImportsOptimizationFor(fileStructure.getFilesAtLevel(2), fileStructure.getFilesAtLevel(3));
    checkNoProcessingWasPerformedOn(shouldNotBeFormatted);
  }

  public void testOptimizeAndReformatAllFilesInDirectoryExcludeSubdirs() throws IOException {
    TestFileStructure fileStructure = getThreeLevelDirectoryStructure();
    injectMockDialogFlags(new MockReformatFileSettings().setOptimizeImports(true).setIncludeSubdirs(false));

    performReformatActionOnSelectedFiles(fileStructure.getFilesAtLevel(2));

    checkFormationAndImportsOptimizationFor(fileStructure.getFilesAtLevel(2));
    checkNoProcessingWasPerformedOn(fileStructure.getFilesAtLevel(1), fileStructure.getFilesAtLevel(3));
  }

  public void testOptimizeAndReformatInModule() throws IOException {
    Module module = createModuleWithSourceRoot("newModule");
    VirtualFile srcDir = ModuleRootManager.getInstance(module).getSourceRoots()[0];
    List<PsiFile> files = createTestFiles(srcDir, classNames);
    injectMockDialogFlags(new MockReformatFileSettings().setOptimizeImports(true));

    performReformatActionOnModule(module, files.subList(0, 1));

    checkFormationAndImportsOptimizationFor(files);
  }

  private TestFileStructure getThreeLevelDirectoryStructure() throws IOException {
    TestFileStructure fileStructure = new TestFileStructure(getModule(), getTempRootDirectory());

    fileStructure.createDirectoryAndMakeItCurrent("dir");
    addFilesToCurrentDirectory(fileStructure);

    fileStructure.createDirectoryAndMakeItCurrent("innerDir");
    addFilesToCurrentDirectory(fileStructure);

    fileStructure.createDirectoryAndMakeItCurrent("innerInnerDir");
    addFilesToCurrentDirectory(fileStructure);

    return fileStructure;
  }

  private void addFilesToCurrentDirectory(TestFileStructure fileStructure) throws IOException {
    for (int i = 0; i < 5; i++) {
      String className = "Test" + i;
      fileStructure.addTestFile("Test" + i + ".java", getUntouchedJavaSourceForTotalProcessing(className));
    }
  }
}