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- /* *******************************************************************
- * Copyright (c) 2005 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Public License v 2.0
- * which accompanies this distribution and is available at
- * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
- *
- * Contributors:
- * Adrian Colyer,
- * ******************************************************************/
- package org.aspectj.testing;
- import java.util.ArrayList;
- import java.util.Arrays;
- import java.util.List;
-
- import org.aspectj.tools.ajc.AjcTestCase;
- import org.aspectj.util.LangUtil;
-
- import static java.lang.Double.parseDouble;
-
- public class OutputSpec {
-
- private List<String> expectedOutputLines = new ArrayList<>();
-
- public void addLine(OutputLine line) {
- if (line.getVm() == null || matchesThisVm(line.getVm())) {
- expectedOutputLines.add(line.getText());
- }
- }
-
- /**
- * For a test output line that has specified list of JVM version ranges, determine whether the JVM we are running on
- * matches at least one of those ranges.
- *
- * @param vmVersionRanges might be a single version like "9", a list of versions like "1.2,1.3,1.4,1.5", an equivalent
- * range of "1.2-1.5", an open range like "-1.8", "9-" (equivalent to "9+") or a more complex list of ranges
- * like "-1.6,9-11,13-14,17-" or "8,11,16+". Empty ranges like in "", " ", "8,,14", ",5", "6-," will be
- * ignored. I.e., they will not yield a positive match. Bogus ranges like "9-11-14" will be ignored, too.
- *
- * @return true if the current vmVersionRanges version matches the spec
- */
- private boolean matchesThisVm(String vmVersionRanges) {
- double currentVmVersion = LangUtil.getVmVersion();
- return Arrays.stream(vmVersionRanges.split(","))
- .map(String::trim)
- .filter(range -> !range.isEmpty())
- .map(range -> range
- .replaceFirst("^([0-9.]+)$", "$1-$1") // single version 'n' to range 'n-n'
- .replaceFirst("^-", "0-") // left open range '-n' to '0-n'
- .replaceFirst("[+-]$", "-99999") // right open range 'n-' or 'n+' to 'n-99999'
- .split("-") // range 'n-m' to array ['n', 'm']
- )
- .filter(range -> range.length == 2)
- .map(range -> new double[] { parseDouble(range[0]), parseDouble(range[1]) })
- //.filter(range -> { System.out.println(range[0] + " - " +range[1]); return true; })
- .anyMatch(range -> range[0] <= currentVmVersion && range[1] >= currentVmVersion);
- }
-
- public void matchAgainst(String output) {
- matchAgainst(output, "yes");
- }
-
- public void matchAgainst(String output, String ordered) {
- if (ordered != null && ordered.equals("no")) {
- unorderedMatchAgainst(output);
- return;
- }
- boolean matches = false;
- int lineNo = 0;
- String[] actualOutputLines = getTrimmedLines(output);
-
- if (actualOutputLines.length == expectedOutputLines.size()) {
- matches = true;
- for (String lineExpected : expectedOutputLines) {
- String lineFound = actualOutputLines[lineNo++];
- /* Avoid trying to match on ajSandbox source names that appear in messages */
- if (!lineFound.contains(lineExpected.trim())) {
- matches = false;
- break;
- }
- }
- } else { lineNo = -1; }
- if (!matches) {
- createFailureMessage(output, lineNo, actualOutputLines.length);
- }
- }
-
- private void unorderedMatchAgainst(String output) {
- List<String> actualOutputLines = Arrays.asList(getTrimmedLines(output));
- int numberOfOutputLines = actualOutputLines.size();
- if(numberOfOutputLines != expectedOutputLines.size()) {
- createFailureMessage(output, -1, numberOfOutputLines);
- return;
- }
- List<String> expected = new ArrayList<>(expectedOutputLines);
- List<String> found = new ArrayList<>(actualOutputLines);
- for (String lineFound : actualOutputLines) {
- for (String lineExpected : expectedOutputLines) {
- if (lineFound.contains(lineExpected.trim())) {
- found.remove(lineFound);
- expected.remove(lineExpected);
- }
- }
- }
- if (!found.isEmpty() || !expected.isEmpty()) {
- createFailureMessage(output, -2, numberOfOutputLines);
- }
- }
-
- private void createFailureMessage(String output, int lineNo, int sizeFound) {
- StringBuilder failMessage = new StringBuilder();
- failMessage.append("\n expecting output:\n");
- for (String line: expectedOutputLines) {
- failMessage.append(line+"\n");
- }
- failMessage.append(" but found output:\n");
- failMessage.append(output);
- failMessage.append("\n");
- if (lineNo==-1) {
- failMessage.append("Expected "+expectedOutputLines.size()+" lines of output but there are "+sizeFound);
- } else if (lineNo >= 0) {
- failMessage.append("First difference is on line " + lineNo);
- }
- failMessage.append("\n");
- AjcTestCase.fail(failMessage.toString());
- }
-
- private String[] getTrimmedLines(String text) {
- // Remove leading/trailing empty lines and leading/trailing whitespace from each line
- String[] trimmedLines = text.trim().split("\\s*\n\\s*");
- return trimmedLines.length == 1 && trimmedLines[0].equals("") ? new String[0] : trimmedLines;
- }
- }
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