| /* |
| * 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; |
| |
| import com.intellij.codeInsight.hint.ParameterInfoComponent; |
| import com.intellij.codeInsight.hint.api.impls.AnnotationParameterInfoHandler; |
| import com.intellij.codeInsight.hint.api.impls.MethodParameterInfoHandler; |
| import com.intellij.lang.parameterInfo.CreateParameterInfoContext; |
| import com.intellij.lang.parameterInfo.ParameterInfoUIContextEx; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.psi.*; |
| import com.intellij.psi.infos.MethodCandidateInfo; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.testFramework.LightCodeInsightTestCase; |
| import com.intellij.testFramework.utils.parameterInfo.MockCreateParameterInfoContext; |
| import com.intellij.testFramework.utils.parameterInfo.MockParameterInfoUIContext; |
| import com.intellij.testFramework.utils.parameterInfo.MockUpdateParameterInfoContext; |
| import com.intellij.util.ArrayUtilRt; |
| import com.intellij.util.Function; |
| import junit.framework.Assert; |
| |
| import java.io.IOException; |
| |
| public class ParameterInfoTest extends LightCodeInsightTestCase { |
| |
| private static final String BASE_PATH = "/codeInsight/parameterInfo/"; |
| |
| private void doTest(String paramsList) throws Exception { |
| configureByFile(BASE_PATH + getTestName(false) + ".java"); |
| |
| String joined = invokeParameterInfo(); |
| assertEquals(paramsList, joined); |
| } |
| |
| private static String invokeParameterInfo() { |
| final MethodParameterInfoHandler handler = new MethodParameterInfoHandler(); |
| final CreateParameterInfoContext context = new MockCreateParameterInfoContext(myEditor, myFile); |
| final PsiExpressionList list = handler.findElementForParameterInfo(context); |
| assertNotNull(list); |
| assertNotNull(context.getItemsToShow()); |
| assertTrue(context.getItemsToShow().length > 0); |
| Object[] params = handler.getParametersForDocumentation(context.getItemsToShow()[0], context); |
| assertNotNull(params); |
| return StringUtil.join(params, new Function<Object, String>() { |
| @Override |
| public String fun(Object o) { |
| return ((PsiParameter)o).getName(); |
| } |
| }, ","); |
| } |
| |
| public void testPrivateMethodOfEnclosingClass() throws Exception { |
| doTest("param"); |
| } |
| |
| public void testNotAccessible() throws Exception { |
| doTest("param"); |
| } |
| |
| public void testParameterInfoDoesNotShowInternalJetbrainsAnnotations() throws IOException { |
| configureFromFileText("x.java", "class X { void f(@org.intellij.lang.annotations.Flow int i) { f(<caret>0); }}"); |
| |
| final CreateParameterInfoContext context = new MockCreateParameterInfoContext(myEditor, myFile); |
| |
| PsiMethod method = PsiTreeUtil.getParentOfType(myFile.findElementAt(context.getOffset()), PsiMethod.class); |
| final String list = MethodParameterInfoHandler.updateMethodPresentation(method, PsiSubstitutor.EMPTY, new MockParameterInfoUIContext<PsiMethod>(method)); |
| |
| assertEquals("int i", list); |
| |
| PsiAnnotation[] annotations = AnnotationUtil.getAllAnnotations(method.getParameterList().getParameters()[0], false, null); |
| assertEquals(1, annotations.length); |
| } |
| |
| public void testNoParams() throws Exception { |
| doTestPresentation("<html><no parameters></html>"); |
| } |
| |
| public void testGenericsInsideCall() throws Exception { |
| doTestPresentation("<html>List<String> param</html>"); |
| } |
| |
| public void testSelectionWithGenerics() throws Exception { |
| configureByFile(BASE_PATH + getTestName(false) + ".java"); |
| |
| final MethodParameterInfoHandler handler = new MethodParameterInfoHandler(); |
| final CreateParameterInfoContext context = new MockCreateParameterInfoContext(myEditor, myFile); |
| final PsiExpressionList list = handler.findElementForParameterInfo(context); |
| assertNotNull(list); |
| final Object[] itemsToShow = context.getItemsToShow(); |
| assertNotNull(itemsToShow); |
| assertEquals(2, itemsToShow.length); |
| assertTrue(itemsToShow[0] instanceof MethodCandidateInfo); |
| final ParameterInfoUIContextEx parameterContext = ParameterInfoComponent.createContext(itemsToShow, myEditor, handler, -1); |
| final Boolean [] enabled = new Boolean[itemsToShow.length]; |
| final MockUpdateParameterInfoContext updateParameterInfoContext = new MockUpdateParameterInfoContext(myEditor, myFile){ |
| @Override |
| public Object[] getObjectsToView() { |
| return itemsToShow; |
| } |
| |
| @Override |
| public void setUIComponentEnabled(int index, boolean b) { |
| enabled[index] = b; |
| } |
| }; |
| updateParameterInfoContext.setParameterOwner(list); |
| handler.updateParameterInfo(list, updateParameterInfoContext); |
| assertTrue(ArrayUtilRt.find(enabled, Boolean.TRUE) > -1); |
| } |
| |
| public void testAfterGenericsInsideCall() throws Exception { |
| configureByFile(BASE_PATH + getTestName(false) + ".java"); |
| |
| final MethodParameterInfoHandler handler = new MethodParameterInfoHandler(); |
| final CreateParameterInfoContext context = new MockCreateParameterInfoContext(myEditor, myFile); |
| final PsiExpressionList list = handler.findElementForParameterInfo(context); |
| assertNotNull(list); |
| final Object[] itemsToShow = context.getItemsToShow(); |
| assertNotNull(itemsToShow); |
| assertEquals(2, itemsToShow.length); |
| assertTrue(itemsToShow[0] instanceof MethodCandidateInfo); |
| final PsiMethod method = ((MethodCandidateInfo)itemsToShow[0]).getElement(); |
| final ParameterInfoUIContextEx parameterContext = ParameterInfoComponent.createContext(itemsToShow, myEditor, handler, 1); |
| parameterContext.setUIComponentEnabled(true); |
| Assert.assertEquals("<html>Class<T> type, <b>boolean tags</b></html>", |
| MethodParameterInfoHandler |
| .updateMethodPresentation(method, ((MethodCandidateInfo)itemsToShow[0]).getSubstitutor(), parameterContext)); |
| } |
| |
| public void testGenericsOutsideCall() throws Exception { |
| doTestPresentation("<html>List<String> param</html>"); |
| } |
| |
| private void doTestPresentation(String expectedString) { |
| configureByFile(BASE_PATH + getTestName(false) + ".java"); |
| |
| final MethodParameterInfoHandler handler = new MethodParameterInfoHandler(); |
| final CreateParameterInfoContext context = new MockCreateParameterInfoContext(myEditor, myFile); |
| final PsiExpressionList list = handler.findElementForParameterInfo(context); |
| assertNotNull(list); |
| final Object[] itemsToShow = context.getItemsToShow(); |
| assertNotNull(itemsToShow); |
| assertEquals(1, itemsToShow.length); |
| assertTrue(itemsToShow[0] instanceof MethodCandidateInfo); |
| final PsiMethod method = ((MethodCandidateInfo)itemsToShow[0]).getElement(); |
| final ParameterInfoUIContextEx parameterContext = ParameterInfoComponent.createContext(itemsToShow, myEditor, handler, -1); |
| Assert.assertEquals(expectedString, |
| MethodParameterInfoHandler |
| .updateMethodPresentation(method, ((MethodCandidateInfo)itemsToShow[0]).getSubstitutor(), parameterContext)); |
| } |
| |
| public void testAnnotationWithGenerics() throws Exception { |
| doTestAnnotationPresentation("<html>Class<List<String[]>> <b>value</b>()</html>"); |
| } |
| |
| private void doTestAnnotationPresentation(String expectedString) { |
| configureByFile(BASE_PATH + getTestName(false) + ".java"); |
| |
| String text = invokeParameterInfoForAnnotations(); |
| Assert.assertEquals(expectedString, text); |
| } |
| |
| private static String invokeParameterInfoForAnnotations() { |
| final AnnotationParameterInfoHandler handler = new AnnotationParameterInfoHandler(); |
| final CreateParameterInfoContext context = new MockCreateParameterInfoContext(myEditor, myFile); |
| final PsiAnnotationParameterList list = handler.findElementForParameterInfo(context); |
| assertNotNull(list); |
| final Object[] itemsToShow = context.getItemsToShow(); |
| assertNotNull(itemsToShow); |
| assertEquals(1, itemsToShow.length); |
| assertTrue(itemsToShow[0] instanceof PsiAnnotationMethod); |
| final PsiAnnotationMethod method = (PsiAnnotationMethod)itemsToShow[0]; |
| final ParameterInfoUIContextEx parameterContext = ParameterInfoComponent.createContext(itemsToShow, myEditor, handler, -1); |
| return AnnotationParameterInfoHandler.updateUIText(method, parameterContext); |
| } |
| } |