python/testSrc/com/jetbrains/python/refactoring/PyInlineLocalTest.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.jetbrains.python.refactoring;

import com.intellij.codeInsight.TargetElementUtilBase;
import com.intellij.openapi.util.Comparing;
import com.intellij.psi.PsiElement;
import com.intellij.psi.codeStyle.CodeStyleSettings;
import com.intellij.psi.codeStyle.CodeStyleSettingsManager;
import com.intellij.psi.codeStyle.CommonCodeStyleSettings;
import com.jetbrains.python.PythonLanguage;
import com.jetbrains.python.fixtures.PyTestCase;
import com.jetbrains.python.refactoring.inline.PyInlineLocalHandler;

/**
 * @author Dennis.Ushakov
 */
public class PyInlineLocalTest extends PyTestCase {
  private void doTest() {
    doTest(null);
  }

  private void doTest(String expectedError) {
    final String name = getTestName(true);
    myFixture.configureByFile("/refactoring/inlinelocal/" + name + ".before.py");
    try {
      PsiElement element = TargetElementUtilBase.findTargetElement(myFixture.getEditor(),
                                                                   TargetElementUtilBase.getInstance().getReferenceSearchFlags());
      PyInlineLocalHandler handler = PyInlineLocalHandler.getInstance();
      handler.inlineElement(myFixture.getProject(), myFixture.getEditor(), element);
      if (expectedError != null) fail("expected error: '" + expectedError + "', got none");
    }
    catch (Exception e) {
      if (!Comparing.equal(e.getMessage(), expectedError)) {
        e.printStackTrace();
      }
      assertEquals(expectedError, e.getMessage());
      return;
    }
    myFixture.checkResultByFile("/refactoring/inlinelocal/" + name + ".after.py");
  }

  public void testSimple() {
    doTest();
  }

  public void testPriority() {
    doTest();
  }

  public void testNoDominator() {
    doTest("Cannot perform refactoring.\nCannot find a single definition to inline");
  }

  public void testDoubleDefinition() {
    doTest("Cannot perform refactoring.\nAnother variable 'foo' definition is used together with inlined one");
  }

  public void testMultiple() {
    doTest();
  }

  public void testPy994() {
    doTest();
  }

  public void testPy1585() {
    doTest();
  }

  public void testPy5832() {
    doTest();
  }

  // PY-12401
  public void testComment() {
    doTest();
  }

  // PY-13114
  public void testReferenceInParenthesis() {
    doTest();
  }

  // PY-12409
  public void testResultExceedsRightMargin() {
    final CodeStyleSettings settings = CodeStyleSettingsManager.getSettings(myFixture.getProject());
    final CommonCodeStyleSettings commonSettings = settings.getCommonSettings(PythonLanguage.getInstance());

    final int oldRightMargin = settings.getRightMargin(PythonLanguage.getInstance());
    final boolean oldWrapLongLines = commonSettings.WRAP_LONG_LINES;

    settings.setRightMargin(PythonLanguage.getInstance(), 80);
    commonSettings.WRAP_LONG_LINES = true;
    try {
      doTest();
    }
    finally {
      commonSettings.WRAP_LONG_LINES = oldWrapLongLines;
      settings.setRightMargin(PythonLanguage.getInstance(), oldRightMargin);
    }
  }
}