toolkit/devtools/server/tests/unit/head_dbg.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/devtools/server/tests/unit/head_dbg.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,362 @@
     1.4 +/* Any copyright is dedicated to the Public Domain.
     1.5 +   http://creativecommons.org/publicdomain/zero/1.0/ */
     1.6 +
     1.7 +"use strict";
     1.8 +const Cc = Components.classes;
     1.9 +const Ci = Components.interfaces;
    1.10 +const Cu = Components.utils;
    1.11 +const Cr = Components.results;
    1.12 +
    1.13 +const { devtools } = Cu.import("resource://gre/modules/devtools/Loader.jsm", {});
    1.14 +const Services = devtools.require("Services");
    1.15 +const { ActorPool, createExtraActors, appendExtraActors } = devtools.require("devtools/server/actors/common");
    1.16 +const DevToolsUtils = devtools.require("devtools/toolkit/DevToolsUtils.js");
    1.17 +const {Promise: promise} = Cu.import("resource://gre/modules/Promise.jsm", {});
    1.18 +
    1.19 +// Always log packets when running tests. runxpcshelltests.py will throw
    1.20 +// the output away anyway, unless you give it the --verbose flag.
    1.21 +Services.prefs.setBoolPref("devtools.debugger.log", true);
    1.22 +// Enable remote debugging for the relevant tests.
    1.23 +Services.prefs.setBoolPref("devtools.debugger.remote-enabled", true);
    1.24 +
    1.25 +function tryImport(url) {
    1.26 +  try {
    1.27 +    Cu.import(url);
    1.28 +  } catch (e) {
    1.29 +    dump("Error importing " + url + "\n");
    1.30 +    dump(DevToolsUtils.safeErrorString(e) + "\n");
    1.31 +    throw e;
    1.32 +  }
    1.33 +}
    1.34 +
    1.35 +tryImport("resource://gre/modules/devtools/dbg-server.jsm");
    1.36 +tryImport("resource://gre/modules/devtools/dbg-client.jsm");
    1.37 +tryImport("resource://gre/modules/devtools/Loader.jsm");
    1.38 +tryImport("resource://gre/modules/devtools/Console.jsm");
    1.39 +
    1.40 +function testExceptionHook(ex) {
    1.41 +  try {
    1.42 +    do_report_unexpected_exception(ex);
    1.43 +  } catch(ex) {
    1.44 +    return {throw: ex}
    1.45 +  }
    1.46 +  return undefined;
    1.47 +}
    1.48 +
    1.49 +// Convert an nsIScriptError 'aFlags' value into an appropriate string.
    1.50 +function scriptErrorFlagsToKind(aFlags) {
    1.51 +  var kind;
    1.52 +  if (aFlags & Ci.nsIScriptError.warningFlag)
    1.53 +    kind = "warning";
    1.54 +  if (aFlags & Ci.nsIScriptError.exceptionFlag)
    1.55 +    kind = "exception";
    1.56 +  else
    1.57 +    kind = "error";
    1.58 +
    1.59 +  if (aFlags & Ci.nsIScriptError.strictFlag)
    1.60 +    kind = "strict " + kind;
    1.61 +
    1.62 +  return kind;
    1.63 +}
    1.64 +
    1.65 +// Redeclare dbg_assert with a fatal behavior.
    1.66 +function dbg_assert(cond, e) {
    1.67 +  if (!cond) {
    1.68 +    throw e;
    1.69 +  }
    1.70 +}
    1.71 +
    1.72 +// Register a console listener, so console messages don't just disappear
    1.73 +// into the ether.
    1.74 +let errorCount = 0;
    1.75 +let listener = {
    1.76 +  observe: function (aMessage) {
    1.77 +    errorCount++;
    1.78 +    try {
    1.79 +      // If we've been given an nsIScriptError, then we can print out
    1.80 +      // something nicely formatted, for tools like Emacs to pick up.
    1.81 +      var scriptError = aMessage.QueryInterface(Ci.nsIScriptError);
    1.82 +      dump(aMessage.sourceName + ":" + aMessage.lineNumber + ": " +
    1.83 +           scriptErrorFlagsToKind(aMessage.flags) + ": " +
    1.84 +           aMessage.errorMessage + "\n");
    1.85 +      var string = aMessage.errorMessage;
    1.86 +    } catch (x) {
    1.87 +      // Be a little paranoid with message, as the whole goal here is to lose
    1.88 +      // no information.
    1.89 +      try {
    1.90 +        var string = "" + aMessage.message;
    1.91 +      } catch (x) {
    1.92 +        var string = "<error converting error message to string>";
    1.93 +      }
    1.94 +    }
    1.95 +
    1.96 +    // Make sure we exit all nested event loops so that the test can finish.
    1.97 +    while (DebuggerServer.xpcInspector.eventLoopNestLevel > 0) {
    1.98 +      DebuggerServer.xpcInspector.exitNestedEventLoop();
    1.99 +    }
   1.100 +    do_throw("head_dbg.js got console message: " + string + "\n");
   1.101 +  }
   1.102 +};
   1.103 +
   1.104 +let consoleService = Cc["@mozilla.org/consoleservice;1"].getService(Ci.nsIConsoleService);
   1.105 +consoleService.registerListener(listener);
   1.106 +
   1.107 +function check_except(func)
   1.108 +{
   1.109 +  try {
   1.110 +    func();
   1.111 +  } catch (e) {
   1.112 +    do_check_true(true);
   1.113 +    return;
   1.114 +  }
   1.115 +  dump("Should have thrown an exception: " + func.toString());
   1.116 +  do_check_true(false);
   1.117 +}
   1.118 +
   1.119 +function testGlobal(aName) {
   1.120 +  let systemPrincipal = Cc["@mozilla.org/systemprincipal;1"]
   1.121 +    .createInstance(Ci.nsIPrincipal);
   1.122 +
   1.123 +  let sandbox = Cu.Sandbox(systemPrincipal);
   1.124 +  sandbox.__name = aName;
   1.125 +  return sandbox;
   1.126 +}
   1.127 +
   1.128 +function addTestGlobal(aName)
   1.129 +{
   1.130 +  let global = testGlobal(aName);
   1.131 +  DebuggerServer.addTestGlobal(global);
   1.132 +  return global;
   1.133 +}
   1.134 +
   1.135 +// List the DebuggerClient |aClient|'s tabs, look for one whose title is
   1.136 +// |aTitle|, and apply |aCallback| to the packet's entry for that tab.
   1.137 +function getTestTab(aClient, aTitle, aCallback) {
   1.138 +  aClient.listTabs(function (aResponse) {
   1.139 +    for (let tab of aResponse.tabs) {
   1.140 +      if (tab.title === aTitle) {
   1.141 +        aCallback(tab);
   1.142 +        return;
   1.143 +      }
   1.144 +    }
   1.145 +    aCallback(null);
   1.146 +  });
   1.147 +}
   1.148 +
   1.149 +// Attach to |aClient|'s tab whose title is |aTitle|; pass |aCallback| the
   1.150 +// response packet and a TabClient instance referring to that tab.
   1.151 +function attachTestTab(aClient, aTitle, aCallback) {
   1.152 +  getTestTab(aClient, aTitle, function (aTab) {
   1.153 +    aClient.attachTab(aTab.actor, aCallback);
   1.154 +  });
   1.155 +}
   1.156 +
   1.157 +// Attach to |aClient|'s tab whose title is |aTitle|, and then attach to
   1.158 +// that tab's thread. Pass |aCallback| the thread attach response packet, a
   1.159 +// TabClient referring to the tab, and a ThreadClient referring to the
   1.160 +// thread.
   1.161 +function attachTestThread(aClient, aTitle, aCallback) {
   1.162 +  attachTestTab(aClient, aTitle, function (aResponse, aTabClient) {
   1.163 +    function onAttach(aResponse, aThreadClient) {
   1.164 +      aCallback(aResponse, aTabClient, aThreadClient);
   1.165 +    }
   1.166 +    aTabClient.attachThread({ useSourceMaps: true }, onAttach);
   1.167 +  });
   1.168 +}
   1.169 +
   1.170 +// Attach to |aClient|'s tab whose title is |aTitle|, attach to the tab's
   1.171 +// thread, and then resume it. Pass |aCallback| the thread's response to
   1.172 +// the 'resume' packet, a TabClient for the tab, and a ThreadClient for the
   1.173 +// thread.
   1.174 +function attachTestTabAndResume(aClient, aTitle, aCallback) {
   1.175 +  attachTestThread(aClient, aTitle, function(aResponse, aTabClient, aThreadClient) {
   1.176 +    aThreadClient.resume(function (aResponse) {
   1.177 +      aCallback(aResponse, aTabClient, aThreadClient);
   1.178 +    });
   1.179 +  });
   1.180 +}
   1.181 +
   1.182 +/**
   1.183 + * Initialize the testing debugger server.
   1.184 + */
   1.185 +function initTestDebuggerServer()
   1.186 +{
   1.187 +  DebuggerServer.addActors("resource://gre/modules/devtools/server/actors/root.js");
   1.188 +  DebuggerServer.addActors("resource://gre/modules/devtools/server/actors/script.js");
   1.189 +  DebuggerServer.addActors("resource://test/testactors.js");
   1.190 +  // Allow incoming connections.
   1.191 +  DebuggerServer.init(function () { return true; });
   1.192 +}
   1.193 +
   1.194 +function initTestTracerServer()
   1.195 +{
   1.196 +  DebuggerServer.addActors("resource://gre/modules/devtools/server/actors/root.js");
   1.197 +  DebuggerServer.addActors("resource://gre/modules/devtools/server/actors/script.js");
   1.198 +  DebuggerServer.addActors("resource://test/testactors.js");
   1.199 +  DebuggerServer.registerModule("devtools/server/actors/tracer");
   1.200 +  // Allow incoming connections.
   1.201 +  DebuggerServer.init(function () { return true; });
   1.202 +}
   1.203 +
   1.204 +function finishClient(aClient)
   1.205 +{
   1.206 +  aClient.close(function() {
   1.207 +    do_test_finished();
   1.208 +  });
   1.209 +}
   1.210 +
   1.211 +/**
   1.212 + * Takes a relative file path and returns the absolute file url for it.
   1.213 + */
   1.214 +function getFileUrl(aName, aAllowMissing=false) {
   1.215 +  let file = do_get_file(aName, aAllowMissing);
   1.216 +  return Services.io.newFileURI(file).spec;
   1.217 +}
   1.218 +
   1.219 +/**
   1.220 + * Returns the full path of the file with the specified name in a
   1.221 + * platform-independent and URL-like form.
   1.222 + */
   1.223 +function getFilePath(aName, aAllowMissing=false)
   1.224 +{
   1.225 +  let file = do_get_file(aName, aAllowMissing);
   1.226 +  let path = Services.io.newFileURI(file).spec;
   1.227 +  let filePrePath = "file://";
   1.228 +  if ("nsILocalFileWin" in Ci &&
   1.229 +      file instanceof Ci.nsILocalFileWin) {
   1.230 +    filePrePath += "/";
   1.231 +  }
   1.232 +  return path.slice(filePrePath.length);
   1.233 +}
   1.234 +
   1.235 +Cu.import("resource://gre/modules/NetUtil.jsm");
   1.236 +
   1.237 +/**
   1.238 + * Returns the full text contents of the given file.
   1.239 + */
   1.240 +function readFile(aFileName) {
   1.241 +  let f = do_get_file(aFileName);
   1.242 +  let s = Cc["@mozilla.org/network/file-input-stream;1"]
   1.243 +    .createInstance(Ci.nsIFileInputStream);
   1.244 +  s.init(f, -1, -1, false);
   1.245 +  try {
   1.246 +    return NetUtil.readInputStreamToString(s, s.available());
   1.247 +  } finally {
   1.248 +    s.close();
   1.249 +  }
   1.250 +}
   1.251 +
   1.252 +function writeFile(aFileName, aContent) {
   1.253 +  let file = do_get_file(aFileName, true);
   1.254 +  let stream = Cc["@mozilla.org/network/file-output-stream;1"]
   1.255 +    .createInstance(Ci.nsIFileOutputStream);
   1.256 +  stream.init(file, -1, -1, 0);
   1.257 +  try {
   1.258 +    do {
   1.259 +      let numWritten = stream.write(aContent, aContent.length);
   1.260 +      aContent = aContent.slice(numWritten);
   1.261 +    } while (aContent.length > 0);
   1.262 +  } finally {
   1.263 +    stream.close();
   1.264 +  }
   1.265 +}
   1.266 +
   1.267 +function connectPipeTracing() {
   1.268 +  return new TracingTransport(DebuggerServer.connectPipe());
   1.269 +}
   1.270 +
   1.271 +function TracingTransport(childTransport) {
   1.272 +  this.hooks = null;
   1.273 +  this.child = childTransport;
   1.274 +  this.child.hooks = this;
   1.275 +
   1.276 +  this.expectations = [];
   1.277 +  this.packets = [];
   1.278 +  this.checkIndex = 0;
   1.279 +}
   1.280 +
   1.281 +function deepEqual(a, b) {
   1.282 +  if (a === b)
   1.283 +    return true;
   1.284 +  if (typeof a != "object" || typeof b != "object")
   1.285 +    return false;
   1.286 +  if (a === null || b === null)
   1.287 +    return false;
   1.288 +  if (Object.keys(a).length != Object.keys(b).length)
   1.289 +    return false;
   1.290 +  for (let k in a) {
   1.291 +    if (!deepEqual(a[k], b[k]))
   1.292 +      return false;
   1.293 +  }
   1.294 +  return true;
   1.295 +}
   1.296 +
   1.297 +TracingTransport.prototype = {
   1.298 +  // Remove actor names
   1.299 +  normalize: function(packet) {
   1.300 +    return JSON.parse(JSON.stringify(packet, (key, value) => {
   1.301 +      if (key === "to" || key === "from" || key === "actor") {
   1.302 +        return "<actorid>";
   1.303 +      }
   1.304 +      return value;
   1.305 +    }));
   1.306 +  },
   1.307 +  send: function(packet) {
   1.308 +    this.packets.push({
   1.309 +      type: "sent",
   1.310 +      packet: this.normalize(packet)
   1.311 +    });
   1.312 +    return this.child.send(packet);
   1.313 +  },
   1.314 +  close: function() {
   1.315 +    return this.child.close();
   1.316 +  },
   1.317 +  ready: function() {
   1.318 +    return this.child.ready();
   1.319 +  },
   1.320 +  onPacket: function(packet) {
   1.321 +    this.packets.push({
   1.322 +      type: "received",
   1.323 +      packet: this.normalize(packet)
   1.324 +    });
   1.325 +    this.hooks.onPacket(packet);
   1.326 +  },
   1.327 +  onClosed: function() {
   1.328 +    this.hooks.onClosed();
   1.329 +  },
   1.330 +
   1.331 +  expectSend: function(expected) {
   1.332 +    let packet = this.packets[this.checkIndex++];
   1.333 +    do_check_eq(packet.type, "sent");
   1.334 +    do_check_true(deepEqual(packet.packet, this.normalize(expected)));
   1.335 +  },
   1.336 +
   1.337 +  expectReceive: function(expected) {
   1.338 +    let packet = this.packets[this.checkIndex++];
   1.339 +    do_check_eq(packet.type, "received");
   1.340 +    do_check_true(deepEqual(packet.packet, this.normalize(expected)));
   1.341 +  },
   1.342 +
   1.343 +  // Write your tests, call dumpLog at the end, inspect the output,
   1.344 +  // then sprinkle the calls through the right places in your test.
   1.345 +  dumpLog: function() {
   1.346 +    for (let entry of this.packets) {
   1.347 +      if (entry.type === "sent") {
   1.348 +        dump("trace.expectSend(" + entry.packet + ");\n");
   1.349 +      } else {
   1.350 +        dump("trace.expectReceive(" + entry.packet + ");\n");
   1.351 +      }
   1.352 +    }
   1.353 +  }
   1.354 +};
   1.355 +
   1.356 +function StubTransport() { }
   1.357 +StubTransport.prototype.ready = function () {};
   1.358 +StubTransport.prototype.send  = function () {};
   1.359 +StubTransport.prototype.close = function () {};
   1.360 +
   1.361 +function executeSoon(aFunc) {
   1.362 +  Services.tm.mainThread.dispatch({
   1.363 +    run: DevToolsUtils.makeInfallible(aFunc)
   1.364 +  }, Ci.nsIThread.DISPATCH_NORMAL);
   1.365 +}

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