PythonHighlightingTest.java example

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/*
 * Copyright 2000-2016 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;

import com.intellij.openapi.editor.colors.EditorColorsManager;
import com.intellij.openapi.editor.colors.EditorColorsScheme;
import com.intellij.openapi.editor.colors.TextAttributesKey;
import com.intellij.openapi.editor.markup.EffectType;
import com.intellij.openapi.editor.markup.TextAttributes;
import com.jetbrains.python.documentation.PyDocumentationSettings;
import com.jetbrains.python.documentation.docstrings.DocStringFormat;
import com.jetbrains.python.fixtures.PyTestCase;
import com.jetbrains.python.psi.LanguageLevel;
import com.jetbrains.python.psi.impl.PythonLanguageLevelPusher;

import java.awt.*;

/**
 * Test highlighting added by annotators.
 *
 * @author yole
 */
public class PythonHighlightingTest extends PyTestCase {
  private static final String TEST_PATH = "/highlighting/";

  public void testBuiltins() {
    EditorColorsManager manager = EditorColorsManager.getInstance();
    EditorColorsScheme scheme = (EditorColorsScheme)manager.getGlobalScheme().clone();
    manager.addColorsScheme(scheme);
    EditorColorsManager.getInstance().setGlobalScheme(scheme);

    TextAttributesKey xKey;
    TextAttributes xAttributes;
    
    xKey = TextAttributesKey.find("PY.BUILTIN_NAME");
    xAttributes = new TextAttributes(Color.green, Color.black, Color.white, EffectType.BOXED, Font.BOLD);
    scheme.setAttributes(xKey, xAttributes);

    xKey = TextAttributesKey.find("PY.PREDEFINED_USAGE");
    xAttributes = new TextAttributes(Color.yellow, Color.black, Color.white, EffectType.BOXED, Font.BOLD);
    scheme.setAttributes(xKey, xAttributes);

    doTest();
  }

  public void testDeclarations() {
    EditorColorsManager manager = EditorColorsManager.getInstance();
    EditorColorsScheme scheme = (EditorColorsScheme)manager.getGlobalScheme().clone();
    manager.addColorsScheme(scheme);
    EditorColorsManager.getInstance().setGlobalScheme(scheme);

    TextAttributesKey xKey = TextAttributesKey.find("PY.CLASS_DEFINITION");
    TextAttributes xAttributes = new TextAttributes(Color.blue, Color.black, Color.white, EffectType.BOXED, Font.BOLD);
    scheme.setAttributes(xKey, xAttributes);

    xKey = TextAttributesKey.find("PY.FUNC_DEFINITION");
    xAttributes = new TextAttributes(Color.red, Color.black, Color.white, EffectType.BOXED, Font.BOLD);
    scheme.setAttributes(xKey, xAttributes);

    xKey = TextAttributesKey.find("PY.PREDEFINED_DEFINITION");
    xAttributes = new TextAttributes(Color.green, Color.black, Color.white, EffectType.BOXED, Font.BOLD);
    scheme.setAttributes(xKey, xAttributes);

    doTest();
  }

  public void testAssignmentTargets() {
    setLanguageLevel(LanguageLevel.PYTHON26);
    doTest(true, false);
  }

  public void testAssignmentTargetWith() {  // PY-7529
    setLanguageLevel(LanguageLevel.PYTHON27);
    doTest(true, false);
  }

  public void testAssignmentTargets3K() {
    doTest(LanguageLevel.PYTHON30, true, false);    
  }
  
  public void testBreakOutsideOfLoop() {
    doTest(true, false);
  }

  public void testReturnOutsideOfFunction() {
    doTest();
  }

  public void testContinueInFinallyBlock() {
    doTest(false, false);
  }

  public void testReturnWithArgumentsInGenerator() {
    doTest();
  }

  public void testYieldOutsideOfFunction() {
    doTest(LanguageLevel.PYTHON27, true, true);
  }

  public void testYieldInDefaultValue() {
    doTest(LanguageLevel.PYTHON34, true, false);
  }

  // PY-11663
  public void testYieldInLambda() {
    doTest();
  }
  
  public void testImportStarAtTopLevel() {
    doTest(true, false);
  }

  public void testMalformedStringUnterminated() {
    doTest();
  }

  public void testMalformedStringEscaped() {
    doTest(false, false);
  }

  /*
  public void testStringEscapedOK() {
    doTest();
  }
  */

  public void testStringMixedSeparatorsOK() {   // PY-299
    doTest();
  }

  public void testStringBytesLiteralOK() {
    doTest(LanguageLevel.PYTHON26, true, true);
  }

  public void testArgumentList() {
    doTest(true, false);
  }

  public void testRegularAfterVarArgs() {
    doTest(LanguageLevel.PYTHON30, true, false);
  }

  public void testKeywordOnlyArguments() {
    doTest(LanguageLevel.PYTHON30, true, false);
  }

  public void testMalformedStringTripleQuoteUnterminated() {
    doTest();
  }

  public void testMixedTripleQuotes() {   // PY-2806
    doTest();
  }

  public void testOddNumberOfQuotes() {  // PY-2802
    doTest(true, false);
  }

  public void testEscapedBackslash() {  // PY-2994
    doTest(true, false);
  }

  public void testMultipleEscapedBackslashes() {
    doTest(true, false);
  }

  public void testUnsupportedFeaturesInPython3() {
    doTest(LanguageLevel.PYTHON30, true, false);
  }

  // PY-6703
  public void testUnicode33() {
    doTest(LanguageLevel.PYTHON33, true, false);
  }

  // PY-6702
  public void testYieldFromBefore33() {
    doTest(LanguageLevel.PYTHON32, true, false);
  }

  public void testParenthesizedGenerator() {
    doTest(false, false);
  }

  public void testStarInGenerator() {  // PY-10177
    doTest(LanguageLevel.PYTHON33, false, false);
  }

  public void testStarArgs() {  // PY-6456
    doTest(LanguageLevel.PYTHON32, true, false);
  }

  public void testDocstring() {  // PY-8025
    PyDocumentationSettings documentationSettings = PyDocumentationSettings.getInstance(myFixture.getModule());
    documentationSettings.setFormat(DocStringFormat.REST);
    try {
      doTest(false, true);
    }
    finally {
      documentationSettings.setFormat(DocStringFormat.PLAIN);
    }
  }

  public void testYieldInNestedFunction() {
    // highlight func declaration first, lest we get an "Extra fragment highlighted" error.
    EditorColorsManager manager = EditorColorsManager.getInstance();
    EditorColorsScheme scheme = (EditorColorsScheme)manager.getGlobalScheme().clone();
    manager.addColorsScheme(scheme);
    EditorColorsManager.getInstance().setGlobalScheme(scheme);

    TextAttributesKey xKey = TextAttributesKey.find("PY.FUNC_DEFINITION");
    TextAttributes xAttributes = new TextAttributes(Color.red, Color.black, Color.white, EffectType.BOXED, Font.BOLD);
    scheme.setAttributes(xKey, xAttributes);

    doTest();
  }

  public void testAsync() {
    doTest(LanguageLevel.PYTHON35, true, true);
  }

  public void testAwait() {
    doTest(LanguageLevel.PYTHON35, true, true);
  }

  // PY-19679
  public void testAwaitInListPy35() {
    doTest(LanguageLevel.PYTHON35, true, false);
  }

  public void testAwaitInTuple() {
    doTest(LanguageLevel.PYTHON35, true, false);
  }

  public void testAwaitInGenerator() {
    doTest(LanguageLevel.PYTHON35, true, false);
  }

  public void testAwaitInSetPy35() {
    doTest(LanguageLevel.PYTHON35, true, false);
  }

  public void testAwaitInDictPy35() {
    doTest(LanguageLevel.PYTHON35, true, false);
  }

  // PY-20770
  public void testAwaitInListPy36() {
    doTest(LanguageLevel.PYTHON36, true, false);
  }

  // PY-20770
  public void testAwaitInSetPy36() {
    doTest(LanguageLevel.PYTHON36, true, false);
  }

  // PY-20770
  public void testAwaitInDictPy36() {
    doTest(LanguageLevel.PYTHON36, true, false);
  }

  public void testYieldInsideAsyncDefPy35() {
    doTest(LanguageLevel.PYTHON35, false, false);
  }

  // PY-20770
  public void testYieldInsideAsyncDefPy36() {
    doTest(LanguageLevel.PYTHON36, true, false);
  }

  public void testUnpackingStar() {
    doTest(LanguageLevel.PYTHON35, false, false);
  }

  // PY-19927
  public void testMagicMethods() {
    EditorColorsManager manager = EditorColorsManager.getInstance();
    EditorColorsScheme scheme = (EditorColorsScheme)manager.getGlobalScheme().clone();
    manager.addColorsScheme(scheme);
    EditorColorsManager.getInstance().setGlobalScheme(scheme);

    TextAttributesKey xKey = TextAttributesKey.find("PY.PREDEFINED_DEFINITION");
    TextAttributes xAttributes = new TextAttributes(Color.green, Color.black, Color.white, EffectType.BOXED, Font.BOLD);
    scheme.setAttributes(xKey, xAttributes);

    doTest();
  }

  // PY-19775
  public void testAsyncBuiltinMethods() {
    doTest(LanguageLevel.PYTHON35, true, false);
  }

  public void testImplicitOctLongInteger() {
    doTest(LanguageLevel.PYTHON35, true, false);
  }

  public void testUnderscoresInNumericLiterals() {
    doTest(LanguageLevel.PYTHON35, true, false);
  }

  public void testVariableAnnotations() {
    doTest(LanguageLevel.PYTHON35, true, false);
  }

  public void testIllegalVariableAnnotationTarget() {
    doTest(LanguageLevel.PYTHON36, true, false);
  }

  public void testFStringLiterals() {
    doTest();
  }

  // PY-20770
  public void testAsyncComprehensionsPy35() {
    doTest(LanguageLevel.PYTHON35, true, false);
  }

  // PY-20770
  public void testAsyncComprehensionsPy36() {
    doTest(LanguageLevel.PYTHON36, true, false);
  }

  // PY-20775
  public void testFStringMissingRightBrace() {
    runWithLanguageLevel(LanguageLevel.PYTHON36, () -> doTest(true, false));
  }

  // PY-20776
  public void testFStringEmptyExpressions() {
    runWithLanguageLevel(LanguageLevel.PYTHON36, () -> doTest(true, false));
  }

  // PY-20778
  public void testFStringIllegalConversionCharacter() {
    runWithLanguageLevel(LanguageLevel.PYTHON36, () -> doTest(true, false));
  }

  // PY-20773
  public void testFStringHashSigns() {
    runWithLanguageLevel(LanguageLevel.PYTHON36, () -> doTest(true, false));
  }

  // PY-20844
  public void testFStringBackslashes() {
    runWithLanguageLevel(LanguageLevel.PYTHON36, () -> doTest(true, false));
  }

  // PY-20897
  public void testFStringSingleRightBraces() {
    runWithLanguageLevel(LanguageLevel.PYTHON36, () -> doTest(true, false));
  }
  
  // PY-20901
  public void testFStringTooDeeplyNestedExpressionFragments() {
    runWithLanguageLevel(LanguageLevel.PYTHON36, () -> doTest(true, false));
  }

  // ---
  private void doTest(final LanguageLevel languageLevel, final boolean checkWarnings, final boolean checkInfos) {
    PythonLanguageLevelPusher.setForcedLanguageLevel(myFixture.getProject(), languageLevel);
    try {
      doTest(checkWarnings, checkInfos);
    }
    finally {
      PythonLanguageLevelPusher.setForcedLanguageLevel(myFixture.getProject(), null);
    }
  }

  private void doTest() {
    final String TEST_PATH = "/highlighting/";
    myFixture.testHighlighting(true, true, false, TEST_PATH + getTestName(true) + PyNames.DOT_PY);
  }

  private void doTest(boolean checkWarnings, boolean checkInfos) {
    myFixture.testHighlighting(checkWarnings, checkInfos, false, TEST_PATH + getTestName(true) + PyNames.DOT_PY);
  }

}