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function create_subdir(dir, subdirname) {
let subdir = dir.clone();
subdir.append(subdirname);
if (subdir.exists()) {
subdir.remove(true);
}
subdir.create(Ci.nsIFile.DIRECTORY_TYPE, 0o755);
return subdir;
}
// need to hold on to this to unregister for cleanup
var _provider = null;
function make_fake_appdir() {
// Create a directory inside the profile and register it as UAppData, so
// we can stick fake crash reports inside there. We put it inside the profile
// just because we know that will get cleaned up after the mochitest run.
let dirSvc = Cc["@mozilla.org/file/directory_service;1"]
.getService(Ci.nsIProperties);
let profD = dirSvc.get("ProfD", Ci.nsILocalFile);
// create a subdir just to keep our files out of the way
let appD = create_subdir(profD, "UAppData");
let crashesDir = create_subdir(appD, "Crash Reports");
create_subdir(crashesDir, "pending");
create_subdir(crashesDir, "submitted");
_provider = {
getFile: function(prop, persistent) {
persistent.value = true;
if (prop == "UAppData") {
return appD.clone();
}
// Depending on timing we can get requests for other files.
// When we threw an exception here, in the world before bug 997440, this got lost
// because of the arbitrary JSContext being used in XPCWrappedJSClass::CallMethod.
// After bug 997440 this gets reported to our window and causes the tests to fail.
// So, we'll just dump out a message to the logs.
dump("WARNING: make_fake_appdir - fake nsIDirectoryServiceProvider - Unexpected getFile for: '" + prop + "'\n");
return null;
},
QueryInterface: function(iid) {
if (iid.equals(Ci.nsIDirectoryServiceProvider) ||
iid.equals(Ci.nsISupports)) {
return this;
}
throw Components.results.NS_ERROR_NO_INTERFACE;
}
};
// register our new provider
dirSvc.QueryInterface(Ci.nsIDirectoryService)
.registerProvider(_provider);
// and undefine the old value
try {
dirSvc.undefine("UAppData");
} catch (ex) {} // it's ok if this fails, the value might not be cached yet
return appD.clone();
}
function cleanup_fake_appdir() {
let dirSvc = Cc["@mozilla.org/file/directory_service;1"]
.getService(Ci.nsIProperties);
dirSvc.QueryInterface(Ci.nsIDirectoryService)
.unregisterProvider(_provider);
// undefine our value so future calls get the real value
try {
dirSvc.undefine("UAppData");
} catch (ex) {
dump("cleanup_fake_appdir: dirSvc.undefine failed: " + ex.message +"\n");
}
}
function add_fake_crashes(crD, count) {
let results = [];
let uuidGenerator = Cc["@mozilla.org/uuid-generator;1"]
.getService(Ci.nsIUUIDGenerator);
let submitdir = crD.clone();
submitdir.append("submitted");
// create them from oldest to newest, to ensure that about:crashes
// displays them in the correct order
let date = Date.now() - count * 60000;
for (let i = 0; i < count; i++) {
let uuid = uuidGenerator.generateUUID().toString();
// ditch the {}
uuid = "bp-" + uuid.substring(1, uuid.length - 2);
let fn = uuid + ".txt";
let file = submitdir.clone();
file.append(fn);
file.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0o666);
file.lastModifiedTime = date;
results.push({'id': uuid, 'date': date, 'pending': false});
date += 60000;
}
// we want them sorted newest to oldest, since that's the order
// that about:crashes lists them in
results.sort((a, b) => b.date - a.date);
return results;
}
function writeDataToFile(file, data) {
var fstream = Cc["@mozilla.org/network/file-output-stream;1"]
.createInstance(Ci.nsIFileOutputStream);
// open, write, truncate
fstream.init(file, -1, -1, 0);
var os = Cc["@mozilla.org/intl/converter-output-stream;1"]
.createInstance(Ci.nsIConverterOutputStream);
os.init(fstream, "UTF-8", 0, 0x0000);
os.writeString(data);
os.close();
fstream.close();
}
function addPendingCrashreport(crD, date, extra) {
let pendingdir = crD.clone();
pendingdir.append("pending");
let uuidGenerator = Cc["@mozilla.org/uuid-generator;1"]
.getService(Ci.nsIUUIDGenerator);
let uuid = uuidGenerator.generateUUID().toString();
// ditch the {}
uuid = uuid.substring(1, uuid.length - 1);
let dumpfile = pendingdir.clone();
dumpfile.append(uuid + ".dmp");
writeDataToFile(dumpfile, "MDMP"); // that's the start of a valid minidump, anyway
let extrafile = pendingdir.clone();
extrafile.append(uuid + ".extra");
let extradata = "";
for (let x in extra) {
extradata += x + "=" + extra[x] + "\n";
}
writeDataToFile(extrafile, extradata);
let memoryfile = pendingdir.clone();
memoryfile.append(uuid + ".memory.json.gz");
writeDataToFile(memoryfile, "Let's pretend this is a memory report");
dumpfile.lastModifiedTime = date;
extrafile.lastModifiedTime = date;
memoryfile.lastModifiedTime = date;
return {'id': uuid, 'date': date, 'pending': true, 'extra': extra};
}
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