| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.flex.pmd.rules; |
| |
| import static org.junit.Assert.*; |
| |
| import org.apache.flex.pmd.files.IFlexFile; |
| import org.apache.flex.pmd.parser.exceptions.TokenException; |
| import org.apache.flex.pmd.rules.core.AbstractFlexRule; |
| import org.apache.flex.pmd.rules.core.ViolationPosition; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| public abstract class AbstractFlexRuleTest extends FlexPmdTestBase { |
| final static class AssertPosition { |
| public static AssertPosition create(final String message, |
| final int expectedLine, |
| final int actualLine) { |
| return new AssertPosition(message, expectedLine, actualLine); |
| } |
| |
| public int actualLine; |
| public int expectedLine; |
| public String message; |
| |
| private AssertPosition(final String messageToBeSet, |
| final int expectedLineToBeSet, |
| final int actualLineToBeSet) { |
| super(); |
| message = messageToBeSet; |
| expectedLine = expectedLineToBeSet; |
| actualLine = actualLineToBeSet; |
| } |
| } |
| |
| protected final static class ExpectedViolation { |
| protected String file; |
| protected ViolationPosition[] positions; |
| |
| public ExpectedViolation(final String fileToBeSet, |
| final ViolationPosition[] positionsToBeSet) { |
| super(); |
| file = fileToBeSet; |
| positions = positionsToBeSet; |
| } |
| } |
| |
| protected static StringBuilder buildFailuresMessage(final List<AssertPosition> failures) { |
| final StringBuilder message = new StringBuilder(42); |
| |
| for (final AssertPosition assertPosition : failures) { |
| message.append(assertPosition.message).append(": expected <").append(assertPosition.expectedLine); |
| message.append("> but actually <").append(assertPosition.actualLine).append(">\n"); |
| } |
| return message; |
| } |
| |
| protected static List<AssertPosition> buildFailureViolations(final String resourcePath, |
| final ViolationPosition[] expectedPositions, |
| final List<IFlexViolation> violations) { |
| List<AssertPosition> failures; |
| failures = new ArrayList<AssertPosition>(); |
| |
| for (int i = 0; i < expectedPositions.length; i++) { |
| final IFlexViolation violation = violations.get(i); |
| final ViolationPosition expectedPosition = expectedPositions[i]; |
| |
| if (expectedPosition.getBeginLine() != violation.getBeginLine()) { |
| failures.add(AssertPosition.create(BEGIN_LINE_NOT_CORRECT |
| + " at " + i + "th violation on " + resourcePath, |
| expectedPosition.getBeginLine(), |
| violation.getBeginLine())); |
| } |
| if (expectedPosition.getEndLine() != violation.getEndLine()) { |
| failures.add(AssertPosition.create(END_LINE_NOT_CORRECT |
| + " at " + i + "th violation on " + resourcePath, |
| expectedPosition.getEndLine(), |
| violation.getEndLine())); |
| } |
| } |
| return failures; |
| } |
| |
| protected static StringBuilder buildMessageName(final Map<String, List<IFlexViolation>> violatedFiles) { |
| final StringBuilder buffer = new StringBuilder(100); |
| |
| for (final String violatedFileName : violatedFiles.keySet()) { |
| final List<IFlexViolation> violations = violatedFiles.get(violatedFileName); |
| |
| buffer.append(violatedFileName).append(" should not contain any violations "); |
| buffer.append(" (").append(violations.size()).append(" found"); |
| |
| if (violations.size() == 1) { |
| buffer.append(" at ").append(violations.get(0).getBeginLine()).append(":"); |
| buffer.append(violations.get(0).getEndLine()); |
| } |
| buffer.append(")\n"); |
| } |
| return buffer; |
| } |
| |
| /** |
| * Test case which contains non-concerned files by the given rule |
| * |
| * @throws TokenException |
| * @throws java.io.IOException |
| */ |
| @Test |
| public final void testProcessNonViolatingFiles() throws IOException, |
| TokenException { |
| final Map<String, List<IFlexViolation>> violatedFiles = extractActualViolatedFiles(); |
| final StringBuilder buffer = buildMessageName(violatedFiles); |
| |
| if (!violatedFiles.isEmpty()) { |
| fail(buffer.toString()); |
| } |
| } |
| |
| /** |
| * Test case which contains violating files |
| */ |
| @Test |
| public final void testProcessViolatingFiles() { |
| final Map<String, ViolationPosition[]> expectedPositions = computeExpectedViolations(getExpectedViolatingFiles()); |
| |
| for (final String fileName : expectedPositions.keySet()) { |
| assertViolations(fileName, |
| expectedPositions.get(fileName)); |
| } |
| } |
| |
| protected abstract ExpectedViolation[] getExpectedViolatingFiles(); |
| |
| protected List<String> getIgnoreFiles() { |
| return new ArrayList<String>(); |
| } |
| |
| protected abstract AbstractFlexRule getRule(); |
| |
| protected List<IFlexViolation> processFile(final String resourcePath) throws IOException, |
| TokenException { |
| if (!getIgnoreFiles().contains(resourcePath)) { |
| return getRule().processFile(getTestFiles().get(resourcePath), |
| null, |
| getTestFiles()); |
| } |
| return new ArrayList<IFlexViolation>(); |
| } |
| |
| private void assertViolations(final String resourcePath, |
| final ViolationPosition[] expectedPositions) { |
| try { |
| final List<IFlexViolation> violations = processFile(resourcePath); |
| |
| assertEquals(VIOLATIONS_NUMBER_NOT_CORRECT + " for " + resourcePath, |
| violations.size(), expectedPositions.length); |
| |
| if (expectedPositions.length != 0) { |
| printFailures(buildFailureViolations(resourcePath, |
| expectedPositions, |
| violations)); |
| } |
| } catch (final IOException e) { |
| fail(e.getMessage()); |
| } catch (final TokenException e) { |
| fail(e.getMessage()); |
| } |
| } |
| |
| private Map<String, ViolationPosition[]> computeExpectedViolations(final ExpectedViolation[] expectedViolatingFiles) { |
| final Map<String, ViolationPosition[]> expectedViolations = new LinkedHashMap<String, ViolationPosition[]>(); |
| |
| for (final ExpectedViolation expectedViolatingFile : expectedViolatingFiles) { |
| expectedViolations.put(expectedViolatingFile.file, |
| expectedViolatingFile.positions); |
| } |
| return expectedViolations; |
| } |
| |
| private Map<String, List<IFlexViolation>> extractActualViolatedFiles() throws IOException, |
| TokenException { |
| final Map<String, List<IFlexViolation>> violatedFiles = new LinkedHashMap<String, List<IFlexViolation>>(); |
| final Map<String, ViolationPosition[]> expectedPositions = computeExpectedViolations(getExpectedViolatingFiles()); |
| |
| for (final Map.Entry<String, IFlexFile> fileNameEntry : getTestFiles().entrySet()) { |
| if (!expectedPositions.containsKey(fileNameEntry.getKey())) { |
| final List<IFlexViolation> violations = processFile(fileNameEntry.getKey()); |
| |
| if (!violations.isEmpty()) { |
| violatedFiles.put(fileNameEntry.getKey(), |
| violations); |
| } |
| } |
| } |
| return violatedFiles; |
| } |
| |
| private void printFailures(final List<AssertPosition> failures) { |
| if (!failures.isEmpty()) { |
| fail(buildFailuresMessage(failures).toString()); |
| } |
| } |
| } |