+
−import org.monetdb.mcl.net.*;
+
−
+
−import java.io.*;
+
−import java.net.URISyntaxException;
+
−
+
−public class UrlTester {
+
−    String filename = null;
+
−    int verbose = 0;
+
−    BufferedReader reader = null;
+
−    int lineno = 0;
+
−    int testCount = 0;
+
−    Target target = null;
+
−    Target.Validated validated = null;
+
−
+
−    public UrlTester() {
+
−    }
+
−
+
−    public UrlTester(String filename) {
+
−        this.filename = filename;
+
−    }
+
−
+
−    public static void main(String[] args) throws Exception {
+
−        checkDefaults();
+
−        checkParameters();
+
−
+
−        int exitcode;
+
−        UrlTester tester = new UrlTester();
+
−        exitcode = tester.parseArgs(args);
+
−        if (exitcode == 0)
+
−            exitcode = tester.run();
+
−        System.exit(exitcode);
+
−    }
+
−
+
−
+
−    private static void checkDefaults() {
+
−        Target target = new Target();
+
−
+
−        for (Parameter parm: Parameter.values()) {
+
−            Object expected = parm.getDefault();
+
−            if (expected == null)
+
−                continue;
+
−            Object actual = target.getObject(parm);
+
−            if (!expected.equals(actual)) {
+
−                throw new RuntimeException("Default for " + parm.name + " expected to be <" + expected + "> but is <" + actual + ">");
+
−            }
+
−        }
+
−    }
+
−
+
−    private static void checkParameters() {
+
−        for (Parameter parm: Parameter.values()) {
+
−            Parameter found = Parameter.forName(parm.name);
+
−            if (parm != found) {
+
−                String foundStr = found != null ? found.name : "null";
+
−                throw new RuntimeException("Looking up <" + parm.name + ">, found <" + foundStr);
+
−            }
+
−        }
+
−    }
+
−
+
−    private int parseArgs(String[] args) {
+
−        for (int i = 0; i < args.length; i++) {
+
−            String arg = args[i];
+
−            if (arg.startsWith("-")) {
+
−                int result = handleFlags(arg);
+
−                if (result != 0)
+
−                    return result;
+
−            } else if (filename == null) {
+
−                filename = arg;
+
−            } else {
+
−                System.err.println("Unexpected argument: " + arg);
+
−                return 1;
+
−            }
+
−        }
+
−        return 0;
+
−    }
+
−
+
−    private int run() throws IOException {
+
−        if (filename != null) {
+
−            reader = new BufferedReader(new FileReader(filename));
+
−        } else {
+
−            String resourceName = "/tests.md";
+
−            InputStream stream = this.getClass().getResourceAsStream(resourceName);
+
−            if (stream == null) {
+
−                System.err.println("Resource " + resourceName + " not found");
+
−                return 1;
+
−            }
+
−            reader = new BufferedReader(new InputStreamReader(stream));
+
−            filename = "tests/tests.md";
+
−        }
+
−
+
−        try {
+
−            processFile();
+
−        } catch (Failure e) {
+
−            System.err.println("" + filename + ":" + lineno + ": " + e.getMessage());
+
−            return 1;
+
−        }
+
−        return 0;
+
−    }
+
−
+
−    private int handleFlags(String arg) {
+
−        if (!arg.startsWith("-") || arg.equals("-")) {
+
−            System.err.println("Invalid flag: " + arg);
+
−        }
+
−        String a = arg.substring(1);
+
−
+
−        while (!a.isEmpty()) {
+
−            char letter = a.charAt(0);
+
−            a = a.substring(1);
+
−            switch (letter) {
+
−                case 'v':
+
−                    verbose++;
+
−                    break;
+
−                default:
+
−                    System.err.println("Unexpected flag " + letter + " in " + arg);
+
−                    return -1;
+
−            }
+
−        }
+
−
+
−        return 0;
+
−    }
+
−
+
−    private void processFile() throws IOException, Failure {
+
−        while (true) {
+
−            String line = reader.readLine();
+
−            if (line == null)
+
−                break;
+
−            lineno++;
+
−            processLine(line);
+
−        }
+
−        if (verbose >= 1) {
+
−            System.out.println();
+
−            System.out.println("Ran " + testCount + " tests in " + lineno + " lines");
+
−        }
+
−    }
+
−
+
−    private void processLine(String line) throws Failure {
+
−        line = line.replaceFirst("\\s+$", ""); // remove trailing
+
−        if (target == null && line.equals("```test")) {
+
−            if (verbose >= 2) {
+
−                if (testCount > 0) {
+
−                    System.out.println();
+
−                }
+
−                System.out.println("\u25B6 " + filename + ":" + lineno);
+
−            }
+
−            target = new Target();
+
−            testCount++;
+
−            return;
+
−        }
+
−        if (target != null) {
+
−            if (line.equals("```")) {
+
−                stopProcessing();
+
−                return;
+
−            }
+
−            handleCommand(line);
+
−        }
+
−    }
+
−
+
−    private void stopProcessing() {
+
−        target = null;
+
−        validated = null;
+
−    }
+
−
+
−    private void handleCommand(String line) throws Failure {
+
−        if (verbose >= 3) {
+
−            System.out.println(line);
+
−        }
+
−        if (line.isEmpty())
+
−            return;
+
−
+
−        String[] parts = line.split("\\s+", 2);
+
−        String command = parts[0];
+
−        switch (command.toUpperCase()) {
+
−            case "ONLY":
+
−                handleOnly(true, parts[1]);
+
−                return;
+
−            case "NOT":
+
−                handleOnly(false, parts[1]);
+
−                return;
+
−            case "PARSE":
+
−                handleParse(parts[1], null);
+
−                return;
+
−            case "ACCEPT":
+
−                handleParse(parts[1], true);
+
−                return;
+
−            case "REJECT":
+
−                handleParse(parts[1], false);
+
−                return;
+
−            case "SET":
+
−                handleSet(parts[1]);
+
−                return;
+
−            case "EXPECT":
+
−                handleExpect(parts[1]);
+
−                return;
+
−            default:
+
−                throw new Failure("Unexpected command: " + command);
+
−        }
+
−
+
−    }
+
−
+
−    private void handleOnly(boolean mustBePresent, String rest) throws Failure {
+
−        boolean found = false;
+
−        for (String part: rest.split("\\s+")) {
+
−            if (part.equals("jdbc")) {
+
−                found = true;
+
−                break;
+
−            }
+
−        }
+
−        if (found != mustBePresent) {
+
−            // do not further process this block
+
−            stopProcessing();
+
−        }
+
−    }
+
−
+
−    private int findEqualSign(String rest) throws Failure {
+
−        int index = rest.indexOf('=');
+
−        if (index < -1)
+
−            throw new Failure("Expected to find a '='");
+
−        return index;
+
−    }
+
−
+
−    private String splitKey(String rest) throws Failure {
+
−        int index = findEqualSign(rest);
+
−        return rest.substring(0, index);
+
−    }
+
−
+
−    private String splitValue(String rest) throws Failure {
+
−        int index = findEqualSign(rest);
+
−        return rest.substring(index + 1);
+
−    }
+
−
+
−    private void handleSet(String rest) throws Failure {
+
−        validated = null;
+
−        String key = splitKey(rest);
+
−        String value = splitValue(rest);
+
−
+
−        try {
+
−            target.setString(key, value);
+
−        } catch (ValidationError e) {
+
−            throw new Failure(e.getMessage());
+
−        }
+
−    }
+
−
+
−    private void handleParse(String rest, Boolean shouldSucceed) throws Failure {
+
−        URISyntaxException parseError = null;
+
−        ValidationError validationError = null;
+
−
+
−        validated = null;
+
−        try {
+
−            target.barrier();
+
−            MonetUrlParser.parse(target, rest);
+
−        } catch (URISyntaxException e) {
+
−            parseError = e;
+
−        } catch (ValidationError e) {
+
−            validationError = e;
+
−        }
+
−
+
−        if (parseError == null && validationError == null) {
+
−            try {
+
−                tryValidate();
+
−            } catch (ValidationError e) {
+
−                validationError = e;
+
−            }
+
−        }
+
−
+
−        if (shouldSucceed == Boolean.FALSE) {
+
−            if (parseError != null || validationError != null)
+
−                return; // happy
+
−            else
+
−                throw new Failure("URL unexpectedly parsed and validated");
+
−        }
+
−
+
−        if (parseError != null)
+
−            throw new Failure("Parse error: " + parseError);
+
−        if (validationError != null && shouldSucceed == Boolean.TRUE)
+
−            throw new Failure("Validation error: " + validationError);
+
−    }
+
−
+
−    private void handleExpect(String rest) throws Failure {
+
−        String key = splitKey(rest);
+
−        String expectedString = splitValue(rest);
+
−
+
−        Object actual = null;
+
−        try {
+
−            actual = extract(key);
+
−        } catch (ValidationError e) {
+
−            throw new Failure(e.getMessage());
+
−        }
+
−
+
−        Object expected;
+
−        try {
+
−            if (actual instanceof Boolean)
+
−                expected = ParameterType.Bool.parse(key, expectedString);
+
−            else if (actual instanceof Integer)
+
−                expected = ParameterType.Int.parse(key, expectedString);
+
−            else
+
−                expected = expectedString;
+
−        } catch (ValidationError e) {
+
−            String typ = actual.getClass().getName();
+
−            throw new Failure("Cannot convert expected value <" + expectedString + "> to " + typ + ": " + e.getMessage());
+
−        }
+
−
+
−        if (actual.equals(expected))
+
−            return;
+
−        throw new Failure("Expected " + key + "=<" + expectedString + ">, found <" + actual + ">");
+
−    }
+
−
+
−    private Target.Validated tryValidate() throws ValidationError {
+
−        if (validated == null)
+
−            validated = target.validate();
+
−        return validated;
+
−    }
+
−
+
−    private Object extract(String key) throws ValidationError, Failure {
+
−        switch (key) {
+
−            case "valid":
+
−                try {
+
−                    tryValidate();
+
−                } catch (ValidationError e) {
+
−                    return Boolean.FALSE;
+
−                }
+
−                return Boolean.TRUE;
+
−
+
−            case "connect_scan":
+
−                return tryValidate().connectScan();
+
−            case "connect_port":
+
−                return tryValidate().connectPort();
+
−            case "connect_unix":
+
−                return tryValidate().connectUnix();
+
−            case "connect_tcp":
+
−                return tryValidate().connectTcp();
+
−            case "connect_tls_verify":
+
−                switch (tryValidate().connectVerify()) {
+
−                    case None: return "";
+
−                    case Cert: return "cert";
+
−                    case Hash: return "hash";
+
−                    case System: return "system";
+
−                    default:
+
−                        throw new IllegalStateException("unreachable");
+
−                }
+
−            case "connect_certhash_digits":
+
−                return tryValidate().connectCertHashDigits();
+
−            case "connect_binary":
+
−                return tryValidate().connectBinary();
+
−            case "connect_clientkey":
+
−                return tryValidate().connectClientKey();
+
−            case "connect_clientcert":
+
−                return tryValidate().connectClientCert();
+
−
+
−            default:
+
−                Parameter parm = Parameter.forName(key);
+
−                if (parm != null)
+
−                    return target.getObject(parm);
+
−                else
+
−                    throw new Failure("Unknown attribute: " + key);
+
−        }
+
−    }
+
−
+
−    private class Failure extends Exception {
+
−        public Failure(String message) {
+
−            super(message);
+
−        }
+
−    }
+
−}