| /* |
| * 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.fixtures; |
| |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.openapi.vfs.VfsUtil; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.testFramework.TestDataFile; |
| import com.intellij.util.containers.HashMap; |
| import org.jetbrains.annotations.NonNls; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * Base for cases that need marked PSI elements. |
| * User: dcheryasov |
| * Date: Mar 14, 2009 11:57:52 PM |
| */ |
| public abstract class LightMarkedTestCase extends PyTestCase { |
| protected PsiFile myFile; |
| |
| /** |
| * Marker "as expected", any alphanumeric sting in angle brackets. |
| */ |
| public static final @NonNls String MARKER = "<[a-zA-Z0-9_]+>"; |
| |
| /** |
| * Uses MARKER as regexp. |
| * @see #configureByFileText(String, String, String) |
| * @param filePath file to load and parse |
| * @return a mapping of markers to PSI elements |
| * @throws Exception |
| */ |
| protected Map<String, PsiElement> configureByFile(@TestDataFile @NonNls String filePath) { |
| return configureByFile(filePath, MARKER); |
| } |
| |
| /** |
| * Like <a href="#configureByFileText(String, String, String)">configureByFileText</a>, but with a file to be read. |
| * @param filePath file to read and parse |
| * @param markerRegexp regexp for markers |
| * @return a mapping of markers to PSI elements |
| * @throws Exception |
| */ |
| protected Map<String, PsiElement> configureByFile(@TestDataFile @NonNls String filePath, @NonNls String markerRegexp) { |
| final String fullPath = getTestDataPath() + filePath; |
| final VirtualFile vFile = getVirtualFileByName(fullPath); |
| assertNotNull("file " + fullPath + " not found", vFile); |
| |
| final String text; |
| try { |
| text = VfsUtil.loadText(vFile); |
| } |
| catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| String fileText = StringUtil.convertLineSeparators(text, "\n"); |
| |
| final String fileName = vFile.getName(); |
| |
| return configureByFileText(fileText, fileName, markerRegexp); |
| } |
| |
| /** |
| * Typically a text is marked with patterns: "foo <ref1>bar() + <ref2>baz", etc, and the result is |
| * a map where strings "<ref1>" and "<ref2>" are mapped to PSI elements for "bar" and "baz". |
| * @param fileText text to parse |
| * @param fileName name to give to the PSI file |
| * @param markerRegexp regexp to detect markers in the text |
| * @return mapping of markers to the PSI elements |
| * @throws Exception |
| */ |
| protected Map<String, PsiElement> configureByFileText(String fileText, final String fileName, @NonNls String markerRegexp) { |
| // build a map of marks to positions, and the text with marks stripped |
| Pattern pat = Pattern.compile(markerRegexp); |
| Matcher mat = pat.matcher(fileText); |
| int rest_index = 0; // from here on fileText is not yet looked at |
| Map<String, Integer> offsets = new HashMap<String, Integer>(); |
| final StringBuffer text = new StringBuffer(); |
| while (mat.find(rest_index)) { |
| String mark = mat.group(); |
| CharSequence prev_part = fileText.subSequence(rest_index, mat.start()); |
| text.append(prev_part); |
| offsets.put(mark, text.length()); |
| rest_index = mat.end(); |
| } |
| if (rest_index < fileText.length()) text.append(fileText.substring(rest_index)); |
| |
| // create a file and map marks to PSI elements |
| Map<String, PsiElement> result = new HashMap<String, PsiElement>(); |
| myFile = myFixture.addFileToProject(fileName, text.toString()); |
| myFixture.configureFromExistingVirtualFile(myFile.getVirtualFile()); |
| for (Map.Entry<String, Integer> entry : offsets.entrySet()) { |
| result.put(entry.getKey(), myFile.findElementAt(entry.getValue())); |
| } |
| return result; |
| } |
| |
| protected Map<String, PsiElement> loadTest() throws Exception { |
| String fname = getTestName(false) + ".py"; |
| return configureByFile(fname); |
| } |
| } |