/*
* Copyright 2012-2014 Sergey Ignatov
*
* 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 org.intellij.erlang;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.search.FilenameIndex;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.testIntegration.TestFinder;
import com.intellij.util.containers.ContainerUtil;
import org.intellij.erlang.psi.ErlangFile;
import org.intellij.erlang.psi.impl.ErlangPsiImplUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.Collection;
import java.util.Collections;
public class ErlangTestFinder implements TestFinder {
private static final String EXT = "." + ErlangFileType.MODULE.getDefaultExtension();
private static String[] SUFFIXES = new String[]{"_test", "_tests"};
@Override
public PsiFile findSourceElement(@NotNull PsiElement from) {
return from.getContainingFile();
}
@NotNull
@Override
public Collection<PsiElement> findTestsForClass(@NotNull PsiElement element) {
VirtualFile virtualFile = getVirtualFile(element);
if (virtualFile == null) return ContainerUtil.emptyList();
Collection<PsiElement> result = ContainerUtil.newTroveSet();
Project project = element.getProject();
for (String suffix : SUFFIXES) {
Collections.addAll(result,
FilenameIndex.getFilesByName(project, virtualFile.getNameWithoutExtension() + suffix + EXT, getScope(project)));
}
return result;
}
@NotNull
@Override
public Collection<PsiElement> findClassesForTest(@NotNull PsiElement element) {
VirtualFile virtualFile = getVirtualFile(element);
if (virtualFile == null) return ContainerUtil.emptyList();
Collection<PsiElement> result = ContainerUtil.newTroveSet();
Project project = element.getProject();
String name = virtualFile.getNameWithoutExtension();
int length = name.length();
for (String suffix : SUFFIXES) {
if (name.endsWith(suffix)) {
Collections.addAll(result,
FilenameIndex.getFilesByName(project, name.substring(0, length - suffix.length()) + EXT, getScope(project)));
}
}
return result;
}
private static GlobalSearchScope getScope(Project project) {
return GlobalSearchScope.getScopeRestrictedByFileTypes(GlobalSearchScope.allScope(project), ErlangFileType.MODULE);
}
@Nullable
private VirtualFile getVirtualFile(PsiElement element) {
PsiFile file = findSourceElement(element);
if (file == null || !(file instanceof ErlangFile)) return null;
return file.getVirtualFile();
}
@Override
public boolean isTest(@NotNull PsiElement element) {
PsiFile containingFile = findSourceElement(element);
if (!(containingFile instanceof ErlangFile)) return false;
return ErlangPsiImplUtil.isEunitTestFile((ErlangFile) containingFile);
}
}