mono/tests/test-runner.cs

   1 //
   2 // test-runner.cs
   3 //
   4 // Author:
   5 //   Zoltan Varga (vargaz@gmail.com)
   6 //
   7 // Copyright (C) 2008 Novell, Inc (http://www.novell.com)
   8 //
   9 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
  10 //
  11 using System;
  12 using System.IO;
  13 using System.Threading;
  14 using System.Text;
  15 using System.Diagnostics;
  16 using System.Collections.Generic;
  17 using System.Globalization;
  18 using System.Xml;
  19 using System.Text.RegularExpressions;
  20 using Mono.Unix.Native;
  21
  22 //
  23 // This is a simple test runner with support for parallel execution
  24 //
  25
  26 public class TestRunner
  27 {
  28         const string TEST_TIME_FORMAT = "mm\\:ss\\.fff";
  29         const string ENV_TIMEOUT = "TEST_DRIVER_TIMEOUT_SEC";
  30
  31         class ProcessData {
  32                 public string test;
  33                 public StringBuilder stdout, stderr;
  34                 public string stdoutName, stderrName;
  35         }
  36
  37         class TestInfo {
  38                 public string test, opt_set;
  39         }
  40
  41         public static int Main (String[] args) {
  42                 // Defaults
  43                 int concurrency = 1;
  44                 int timeout = 2 * 60; // in seconds
  45                 int expectedExitCode = 0;
  46                 string testsuiteName = null;
  47                 string inputFile = null;
  48
  49                 // FIXME: Add support for runtime arguments + env variables
  50
  51                 string disabled_tests = null;
  52                 string runtime = "mono";
  53                 var opt_sets = new List<string> ();
  54
  55                 // Process options
  56                 int i = 0;
  57                 while (i < args.Length) {
  58                         if (args [i].StartsWith ("-")) {
  59                                 if (args [i] == "-j") {
  60                                         if (i + 1 >= args.Length) {
  61                                                 Console.WriteLine ("Missing argument to -j command line option.");
  62                                                 return 1;
  63                                         }
  64                                         if (args [i + 1] == "a")
  65                                                 concurrency = Environment.ProcessorCount;
  66                                         else
  67                                                 concurrency = Int32.Parse (args [i + 1]);
  68                                         i += 2;
  69                                 } else if (args [i] == "--timeout") {
  70                                         if (i + 1 >= args.Length) {
  71                                                 Console.WriteLine ("Missing argument to --timeout command line option.");
  72                                                 return 1;
  73                                         }
  74                                         timeout = Int32.Parse (args [i + 1]);
  75                                         i += 2;
  76                                 } else if (args [i] == "--disabled") {
  77                                         if (i + 1 >= args.Length) {
  78                                                 Console.WriteLine ("Missing argument to --disabled command line option.");
  79                                                 return 1;
  80                                         }
  81                                         disabled_tests = args [i + 1];
  82                                         i += 2;
  83                                 } else if (args [i] == "--runtime") {
  84                                         if (i + 1 >= args.Length) {
  85                                                 Console.WriteLine ("Missing argument to --runtime command line option.");
  86                                                 return 1;
  87                                         }
  88                                         runtime = args [i + 1];
  89                                         i += 2;
  90                                 } else if (args [i] == "--opt-sets") {
  91                                         if (i + 1 >= args.Length) {
  92                                                 Console.WriteLine ("Missing argument to --opt-sets command line option.");
  93                                                 return 1;
  94                                         }
  95                                         foreach (var s in args [i + 1].Split ())
  96                                                 opt_sets.Add (s);
  97                                         i += 2;
  98                                 } else if (args [i] == "--expected-exit-code") {
  99                                         if (i + 1 >= args.Length) {
 100                                                 Console.WriteLine ("Missing argument to --expected-exit-code command line option.");
 101                                                 return 1;
 102                                         }
 103                                         expectedExitCode = Int32.Parse (args [i + 1]);
 104                                         i += 2;
 105                                 } else if (args [i] == "--testsuite-name") {
 106                                         if (i + 1 >= args.Length) {
 107                                                 Console.WriteLine ("Missing argument to --testsuite-name command line option.");
 108                                                 return 1;
 109                                         }
 110                                         testsuiteName = args [i + 1];
 111                                         i += 2;
 112                                 } else if (args [i] == "--input-file") {
 113                                         if (i + 1 >= args.Length) {
 114                                                 Console.WriteLine ("Missing argument to --input-file command line option.");
 115                                                 return 1;
 116                                         }
 117                                         inputFile = args [i + 1];
 118                                         i += 2;
 119                                 } else {
 120                                         Console.WriteLine ("Unknown command line option: '" + args [i] + "'.");
 121                                         return 1;
 122                                 }
 123                         } else {
 124                                 break;
 125                         }
 126                 }
 127
 128                 if (String.IsNullOrEmpty (testsuiteName)) {
 129                         Console.WriteLine ("Missing the required --testsuite-name command line option.");
 130                         return 1;
 131                 }
 132
 133                 var disabled = new Dictionary <string, string> ();
 134
 135                 if (disabled_tests != null) {
 136                         foreach (string test in disabled_tests.Split ())
 137                                 disabled [test] = test;
 138                 }
 139
 140                 var tests = new List<string> ();
 141
 142                 if (!String.IsNullOrEmpty (inputFile)) {
 143                         tests.AddRange (File.ReadAllLines (inputFile));
 144                 } else {
 145                         // The remaining arguments are the tests
 146                         for (int j = i; j < args.Length; ++j)
 147                                 if (!disabled.ContainsKey (args [j]))
 148                                         tests.Add (args [j]);
 149                 }
 150
 151                 var passed = new List<ProcessData> ();
 152                 var failed = new List<ProcessData> ();
 153                 var timedout = new List<ProcessData> ();
 154
 155                 object monitor = new object ();
 156
 157                 Console.WriteLine ("Running tests: ");
 158
 159                 var test_info = new Queue<TestInfo> ();
 160                 if (opt_sets.Count == 0) {
 161                         foreach (string s in tests)
 162                                 test_info.Enqueue (new TestInfo { test = s });
 163                 } else {
 164                         foreach (string opt in opt_sets) {
 165                                 foreach (string s in tests)
 166                                         test_info.Enqueue (new TestInfo { test = s, opt_set = opt });
 167                         }
 168                 }
 169
 170                 /* compute the max length of test names, to have an optimal output width */
 171                 int output_width = -1;
 172                 foreach (TestInfo ti in test_info) {
 173                         if (ti.test.Length > output_width)
 174                                 output_width = Math.Min (120, ti.test.Length);
 175                 }
 176
 177                 List<Thread> threads = new List<Thread> (concurrency);
 178
 179                 DateTime test_start_time = DateTime.UtcNow;
 180
 181                 for (int j = 0; j < concurrency; ++j) {
 182                         Thread thread = new Thread (() => {
 183                                 while (true) {
 184                                         TestInfo ti;
 185
 186                                         lock (monitor) {
 187                                                 if (test_info.Count == 0)
 188                                                         break;
 189                                                 ti = test_info.Dequeue ();
 190                                         }
 191
 192                                         var output = new StringWriter ();
 193
 194                                         string test = ti.test;
 195                                         string opt_set = ti.opt_set;
 196
 197                                         output.Write (String.Format ("{{0,-{0}}} ", output_width), test);
 198
 199                                         /* Spawn a new process */
 200                                         string process_args;
 201                                         if (opt_set == null)
 202                                                 process_args = test;
 203                                         else
 204                                                 process_args = "-O=" + opt_set + " " + test;
 205                                         ProcessStartInfo info = new ProcessStartInfo (runtime, process_args);
 206                                         info.UseShellExecute = false;
 207                                         info.RedirectStandardOutput = true;
 208                                         info.RedirectStandardError = true;
 209                                         info.EnvironmentVariables[ENV_TIMEOUT] = timeout.ToString();
 210                                         Process p = new Process ();
 211                                         p.StartInfo = info;
 212
 213                                         ProcessData data = new ProcessData ();
 214                                         data.test = test;
 215
 216                                         string log_prefix = "";
 217                                         if (opt_set != null)
 218                                                 log_prefix = "." + opt_set.Replace ("-", "no").Replace (",", "_");
 219
 220                                         data.stdoutName = test + log_prefix + ".stdout";
 221                                         data.stdout = new StringBuilder ();
 222
 223                                         data.stderrName = test + log_prefix + ".stderr";
 224                                         data.stderr = new StringBuilder ();
 225
 226                                         p.OutputDataReceived += delegate (object sender, DataReceivedEventArgs e) {
 227                                                 if (e.Data != null) {
 228                                                         data.stdout.AppendLine (e.Data);
 229                                                 }
 230                                         };
 231
 232                                         p.ErrorDataReceived += delegate (object sender, DataReceivedEventArgs e) {
 233                                                 if (e.Data != null) {
 234                                                         data.stderr.AppendLine (e.Data);
 235                                                 }
 236                                         };
 237
 238                                         var start = DateTime.UtcNow;
 239
 240                                         p.Start ();
 241
 242                                         p.BeginOutputReadLine ();
 243                                         p.BeginErrorReadLine ();
 244
 245                                         if (!p.WaitForExit (timeout * 1000)) {
 246                                                 lock (monitor) {
 247                                                         timedout.Add (data);
 248                                                 }
 249
 250                                                 // Force the process to print a thread dump
 251                                                 try {
 252                                                         Syscall.kill (p.Id, Signum.SIGQUIT);
 253                                                         Thread.Sleep (1000);
 254                                                 } catch {
 255                                                 }
 256
 257                                                 output.Write ($"timed out ({timeout}s)");
 258
 259                                                 try {
 260                                                         p.Kill ();
 261                                                 } catch {
 262                                                 }
 263                                         } else if (p.ExitCode != expectedExitCode) {
 264                                                 var end = DateTime.UtcNow;
 265
 266                                                 lock (monitor) {
 267                                                         failed.Add (data);
 268                                                 }
 269
 270                                                 output.Write ("failed, time: {0}, exit code: {1}", (end - start).ToString (TEST_TIME_FORMAT), p.ExitCode);
 271                                         } else {
 272                                                 var end = DateTime.UtcNow;
 273
 274                                                 lock (monitor) {
 275                                                         passed.Add (data);
 276                                                 }
 277
 278                                                 output.Write ("passed, time: {0}", (end - start).ToString (TEST_TIME_FORMAT));
 279                                         }
 280
 281                                         p.Close ();
 282
 283                                         lock (monitor) {
 284                                                 Console.WriteLine (output.ToString ());
 285                                         }
 286                                 }
 287                         });
 288
 289                         thread.Start ();
 290
 291                         threads.Add (thread);
 292                 }
 293
 294                 for (int j = 0; j < threads.Count; ++j)
 295                         threads [j].Join ();
 296
 297                 TimeSpan test_time = DateTime.UtcNow - test_start_time;
 298
 299                 int npassed = passed.Count;
 300                 int nfailed = failed.Count;
 301                 int ntimedout = timedout.Count;
 302
 303                 XmlWriterSettings xmlWriterSettings = new XmlWriterSettings ();
 304                 xmlWriterSettings.NewLineOnAttributes = true;
 305                 xmlWriterSettings.Indent = true;
 306                 using (XmlWriter writer = XmlWriter.Create (String.Format ("TestResult-{0}.xml", testsuiteName), xmlWriterSettings)) {
 307                         // <?xml version="1.0" encoding="utf-8" standalone="no"?>
 308                         writer.WriteStartDocument ();
 309                         // <!--This file represents the results of running a test suite-->
 310                         writer.WriteComment ("This file represents the results of running a test suite");
 311                         // <test-results name="/home/charlie/Dev/NUnit/nunit-2.5/work/src/bin/Debug/tests/mock-assembly.dll" total="21" errors="1" failures="1" not-run="7" inconclusive="1" ignored="4" skipped="0" invalid="3" date="2010-10-18" time="13:23:35">
 312                         writer.WriteStartElement ("test-results");
 313                         writer.WriteAttributeString ("name", String.Format ("{0}-tests.dummy", testsuiteName));
 314                         writer.WriteAttributeString ("total", (npassed + nfailed + ntimedout).ToString());
 315                         writer.WriteAttributeString ("failures", (nfailed + ntimedout).ToString());
 316                         writer.WriteAttributeString ("not-run", "0");
 317                         writer.WriteAttributeString ("date", DateTime.Now.ToString ("yyyy-MM-dd"));
 318                         writer.WriteAttributeString ("time", DateTime.Now.ToString ("HH:mm:ss"));
 319                         //   <environment nunit-version="2.4.8.0" clr-version="4.0.30319.17020" os-version="Unix 3.13.0.45" platform="Unix" cwd="/home/directhex/Projects/mono/mcs/class/corlib" machine-name="marceline" user="directhex" user-domain="marceline" />
 320                         writer.WriteStartElement ("environment");
 321                         writer.WriteAttributeString ("nunit-version", "2.4.8.0" );
 322                         writer.WriteAttributeString ("clr-version", Environment.Version.ToString() );
 323                         writer.WriteAttributeString ("os-version", Environment.OSVersion.ToString() );
 324                         writer.WriteAttributeString ("platform", Environment.OSVersion.Platform.ToString() );
 325                         writer.WriteAttributeString ("cwd", Environment.CurrentDirectory );
 326                         writer.WriteAttributeString ("machine-name", Environment.MachineName );
 327                         writer.WriteAttributeString ("user", Environment.UserName );
 328                         writer.WriteAttributeString ("user-domain", Environment.UserDomainName );
 329                         writer.WriteEndElement ();
 330                         //   <culture-info current-culture="en-GB" current-uiculture="en-GB" />
 331                         writer.WriteStartElement ("culture-info");
 332                         writer.WriteAttributeString ("current-culture", CultureInfo.CurrentCulture.Name );
 333                         writer.WriteAttributeString ("current-uiculture", CultureInfo.CurrentUICulture.Name );
 334                         writer.WriteEndElement ();
 335                         //   <test-suite name="corlib_test_net_4_5.dll" success="True" time="114.318" asserts="0">
 336                         writer.WriteStartElement ("test-suite");
 337                         writer.WriteAttributeString ("name", String.Format ("{0}-tests.dummy", testsuiteName));
 338                         writer.WriteAttributeString ("success", (nfailed + ntimedout == 0).ToString());
 339                         writer.WriteAttributeString ("time", test_time.Seconds.ToString());
 340                         writer.WriteAttributeString ("asserts", (nfailed + ntimedout).ToString());
 341                         //     <results>
 342                         writer.WriteStartElement ("results");
 343                         //       <test-suite name="MonoTests" success="True" time="114.318" asserts="0">
 344                         writer.WriteStartElement ("test-suite");
 345                         writer.WriteAttributeString ("name","MonoTests");
 346                         writer.WriteAttributeString ("success", (nfailed + ntimedout == 0).ToString());
 347                         writer.WriteAttributeString ("time", test_time.Seconds.ToString());
 348                         writer.WriteAttributeString ("asserts", (nfailed + ntimedout).ToString());
 349                         //         <results>
 350                         writer.WriteStartElement ("results");
 351                         //           <test-suite name="MonoTests" success="True" time="114.318" asserts="0">
 352                         writer.WriteStartElement ("test-suite");
 353                         writer.WriteAttributeString ("name", testsuiteName);
 354                         writer.WriteAttributeString ("success", (nfailed + ntimedout == 0).ToString());
 355                         writer.WriteAttributeString ("time", test_time.Seconds.ToString());
 356                         writer.WriteAttributeString ("asserts", (nfailed + ntimedout).ToString());
 357                         //             <results>
 358                         writer.WriteStartElement ("results");
 359                         // Dump all passing tests first
 360                         foreach (ProcessData pd in passed) {
 361                                 // <test-case name="MonoTests.Microsoft.Win32.RegistryKeyTest.bug79051" executed="True" success="True" time="0.063" asserts="0" />
 362                                 writer.WriteStartElement ("test-case");
 363                                 writer.WriteAttributeString ("name", String.Format ("MonoTests.{0}.{1}", testsuiteName, pd.test));
 364                                 writer.WriteAttributeString ("executed", "True");
 365                                 writer.WriteAttributeString ("success", "True");
 366                                 writer.WriteAttributeString ("time", "0");
 367                                 writer.WriteAttributeString ("asserts", "0");
 368                                 writer.WriteEndElement ();
 369                         }
 370                         // Now dump all failing tests
 371                         foreach (ProcessData pd in failed) {
 372                                 // <test-case name="MonoTests.Microsoft.Win32.RegistryKeyTest.bug79051" executed="True" success="True" time="0.063" asserts="0" />
 373                                 writer.WriteStartElement ("test-case");
 374                                 writer.WriteAttributeString ("name", String.Format ("MonoTests.{0}.{1}", testsuiteName, pd.test));
 375                                 writer.WriteAttributeString ("executed", "True");
 376                                 writer.WriteAttributeString ("success", "False");
 377                                 writer.WriteAttributeString ("time", "0");
 378                                 writer.WriteAttributeString ("asserts", "1");
 379                                 writer.WriteStartElement ("failure");
 380                                 writer.WriteStartElement ("message");
 381                                 writer.WriteCData (FilterInvalidXmlChars (pd.stdout.ToString ()));
 382                                 writer.WriteEndElement ();
 383                                 writer.WriteStartElement ("stack-trace");
 384                                 writer.WriteCData (FilterInvalidXmlChars (pd.stderr.ToString ()));
 385                                 writer.WriteEndElement ();
 386                                 writer.WriteEndElement ();
 387                                 writer.WriteEndElement ();
 388                         }
 389                         // Then dump all timing out tests
 390                         foreach (ProcessData pd in timedout) {
 391                                 // <test-case name="MonoTests.Microsoft.Win32.RegistryKeyTest.bug79051" executed="True" success="True" time="0.063" asserts="0" />
 392                                 writer.WriteStartElement ("test-case");
 393                                 writer.WriteAttributeString ("name", String.Format ("MonoTests.{0}.{1}_timedout", testsuiteName, pd.test));
 394                                 writer.WriteAttributeString ("executed", "True");
 395                                 writer.WriteAttributeString ("success", "False");
 396                                 writer.WriteAttributeString ("time", "0");
 397                                 writer.WriteAttributeString ("asserts", "1");
 398                                 writer.WriteStartElement ("failure");
 399                                 writer.WriteStartElement ("message");
 400                                 writer.WriteCData (FilterInvalidXmlChars (pd.stdout.ToString ()));
 401                                 writer.WriteEndElement ();
 402                                 writer.WriteStartElement ("stack-trace");
 403                                 writer.WriteCData (FilterInvalidXmlChars (pd.stderr.ToString ()));
 404                                 writer.WriteEndElement ();
 405                                 writer.WriteEndElement ();
 406                                 writer.WriteEndElement ();
 407                         }
 408                         //             </results>
 409                         writer.WriteEndElement ();
 410                         //           </test-suite>
 411                         writer.WriteEndElement ();
 412                         //         </results>
 413                         writer.WriteEndElement ();
 414                         //       </test-suite>
 415                         writer.WriteEndElement ();
 416                         //     </results>
 417                         writer.WriteEndElement ();
 418                         //   </test-suite>
 419                         writer.WriteEndElement ();
 420                         // </test-results>
 421                         writer.WriteEndElement ();
 422                         writer.WriteEndDocument ();
 423                 }
 424
 425                 Console.WriteLine ();
 426                 Console.WriteLine ("Time: {0}", test_time.ToString (TEST_TIME_FORMAT));
 427                 Console.WriteLine ();
 428                 Console.WriteLine ("{0,4} test(s) passed", npassed);
 429                 Console.WriteLine ("{0,4} test(s) failed", nfailed);
 430                 Console.WriteLine ("{0,4} test(s) timed out", ntimedout);
 431
 432                 if (nfailed > 0) {
 433                         Console.WriteLine ();
 434                         Console.WriteLine ("Failed test(s):");
 435                         foreach (ProcessData pd in failed) {
 436                                 Console.WriteLine ();
 437                                 Console.WriteLine (pd.test);
 438                                 DumpFile (pd.stdoutName, pd.stdout.ToString ());
 439                                 DumpFile (pd.stderrName, pd.stderr.ToString ());
 440                         }
 441                 }
 442
 443                 if (ntimedout > 0) {
 444                         Console.WriteLine ();
 445                         Console.WriteLine ("Timed out test(s):");
 446                         foreach (ProcessData pd in timedout) {
 447                                 Console.WriteLine ();
 448                                 Console.WriteLine (pd.test);
 449                                 DumpFile (pd.stdoutName, pd.stdout.ToString ());
 450                                 DumpFile (pd.stderrName, pd.stderr.ToString ());
 451                         }
 452                 }
 453
 454                 return (ntimedout == 0 && nfailed == 0) ? 0 : 1;
 455         }
 456
 457         static void DumpFile (string filename, string text) {
 458                 Console.WriteLine ("=============== {0} ===============", filename);
 459                 Console.WriteLine (text);
 460                 Console.WriteLine ("=============== EOF ===============");
 461         }
 462
 463         static string FilterInvalidXmlChars (string text) {
 464                 // Spec at http://www.w3.org/TR/2008/REC-xml-20081126/#charsets says only the following chars are valid in XML:
 465                 // Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF]      /* any Unicode character, excluding the surrogate blocks, FFFE, and FFFF. */
 466                 return Regex.Replace (text, @"[^\x09\x0A\x0D\x20-\uD7FF\uE000-\uFFFD\u10000-\u10FFFF]", "");
 467         }
 468 }