| package com.intellij.codeInsight; |
| |
| import com.intellij.codeInsight.hint.ParameterInfoComponent; |
| 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.testFramework.LightCodeInsightTestCase; |
| import com.intellij.testFramework.utils.parameterInfo.MockCreateParameterInfoContext; |
| import com.intellij.util.Function; |
| import junit.framework.Assert; |
| |
| public class ParameterInfoTest extends LightCodeInsightTestCase { |
| |
| private static final String BASE_PATH = "/codeInsight/parameterInfo/"; |
| |
| private Object[] doTest(String paramsList) 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); |
| assertNotNull(context.getItemsToShow()); |
| assertTrue(context.getItemsToShow().length > 0); |
| Object[] params = handler.getParametersForDocumentation(context.getItemsToShow()[0], context); |
| assertNotNull(params); |
| String joined = StringUtil.join(params, new Function<Object, String>() { |
| @Override |
| public String fun(Object o) { |
| return ((PsiParameter)o).getName(); |
| } |
| }, ","); |
| assertEquals(paramsList, joined); |
| return params; |
| } |
| |
| public void testPrivateMethodOfEnclosingClass() throws Exception { |
| doTest("param"); |
| } |
| |
| public void testNotAccessible() throws Exception { |
| doTest("param"); |
| } |
| |
| public void testNoParams() throws Exception { |
| doTestPresentation("<html><no parameters></html>"); |
| } |
| |
| public void testGenericsInsideCall() throws Exception { |
| doTestPresentation("<html>List<String> param</html>"); |
| } |
| |
| 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); |
| assertTrue(itemsToShow.length == 1); |
| assertTrue(itemsToShow[0] instanceof MethodCandidateInfo); |
| final PsiMethod method = ((MethodCandidateInfo)itemsToShow[0]).getElement(); |
| final ParameterInfoUIContextEx parameterContext = ParameterInfoComponent.createContext(itemsToShow, myEditor, handler); |
| Assert.assertEquals(expectedString, |
| MethodParameterInfoHandler |
| .updateMethodPresentation(method, ((MethodCandidateInfo)itemsToShow[0]).getSubstitutor(), parameterContext)); |
| } |
| } |
