gecko-dev/dom/imptests/testharnessreport.js

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JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
var W3CTest = {
/**
* Dictionary mapping a test URL to either the string "all", which means that
* all tests in this file are expected to fail, or a dictionary mapping test
* names to either the boolean |true|, or the string "debug". The former
* means that this test is expected to fail in all builds, and the latter
* that it is only expected to fail in debug builds.
*/
"expectedFailures": {},
/**
* If set to true, we will dump the test failures to the console.
*/
"dumpFailures": false,
/**
* If dumpFailures is true, this holds a structure like necessary for
* expectedFailures, for ease of updating the expectations.
*/
"failures": {},
/**
* List of test results, needed by TestRunner to update the UI.
*/
"tests": [],
/**
* Number of unlogged passes, to stop buildbot from truncating the log.
* We will print a message every MAX_COLLAPSED_MESSAGES passes.
*/
"collapsedMessages": 0,
"MAX_COLLAPSED_MESSAGES": 100,
/**
* Reference to the TestRunner object in the parent frame.
*/
"runner": parent === this ? null : parent.TestRunner || parent.wrappedJSObject.TestRunner,
/**
* Prefixes for the error logging. Indexed first by int(todo) and second by
* int(result).
*/
"prefixes": [
["TEST-UNEXPECTED-FAIL", "TEST-PASS"],
["TEST-KNOWN-FAIL", "TEST-UNEXPECTED-PASS"]
],
/**
* Returns the URL of the current test, relative to the root W3C tests
* directory. Used as a key into the expectedFailures dictionary.
*/
"getURL": function() {
return this.runner.currentTestURL.substring("/tests/dom/imptests/".length);
},
/**
* Lets the test runner know about a test result.
*/
"_log": function(test) {
var msg = this.prefixes[+test.todo][+test.result] + " | ";
if (this.runner.currentTestURL) {
msg += this.runner.currentTestURL;
}
msg += " | " + test.message;
this.runner[(test.result === !test.todo) ? "log" : "error"](msg);
},
"_logCollapsedMessages": function() {
if (this.collapsedMessages) {
this._log({
"result": true,
"todo": false,
"message": "Elided " + this.collapsedMessages + " passes or known failures."
});
}
this.collapsedMessages = 0;
},
/**
* Maybe logs a result, eliding up to MAX_COLLAPSED_MESSAGES consecutive
* passes.
*/
"_maybeLog": function(test) {
var success = (test.result === !test.todo);
if (success && ++this.collapsedMessages < this.MAX_COLLAPSED_MESSAGES) {
return;
}
this._logCollapsedMessages();
this._log(test);
},
/**
* Reports a test result. The argument is an object with the following
* properties:
*
* o message (string): message to be reported
* o result (boolean): whether this test failed
* o todo (boolean): whether this test is expected to fail
*/
"report": function(test) {
this.tests.push(test);
this._maybeLog(test);
},
/**
* Returns true if this test is expected to fail, and false otherwise.
*/
"_todo": function(test) {
if (this.expectedFailures === "all") {
return true;
}
var value = this.expectedFailures[test.name];
return value === true || (value === "debug" && !!SpecialPowers.isDebugBuild);
},
/**
* Callback function for testharness.js. Called when one test in a file
* finishes.
*/
"result": function(test) {
var url = this.getURL();
this.report({
"message": test.name + (test.message ? "; " + test.message : ""),
"result": test.status === test.PASS,
"todo": this._todo(test)
});
if (this.dumpFailures && test.status !== test.PASS) {
this.failures[test.name] = true;
}
},
/**
* Callback function for testharness.js. Called when the entire test file
* finishes.
*/
"finish": function(tests, status) {
var url = this.getURL();
this.report({
"message": "Finished test, status " + status.status,
"result": status.status === status.OK,
"todo":
url in this.expectedFailures &&
this.expectedFailures[url] === "error"
});
this._logCollapsedMessages();
if (this.dumpFailures) {
dump("@@@ @@@ Failures\n");
dump(url + "@@@" + JSON.stringify(this.failures) + "\n");
}
this.runner.testFinished(this.tests);
},
/**
* Log an unexpected failure. Intended to be used from harness code, not
* from tests.
*/
"logFailure": function(message) {
this.report({
"message": message,
"result": false,
"todo": false
});
},
/**
* Timeout the current test. Intended to be used from harness code, not
* from tests.
*/
"timeout": function() {
this.logFailure("Test runner timed us out.");
timeout();
}
};
(function() {
try {
if (!W3CTest.runner) {
return;
}
// Get expected fails. If there aren't any, there will be a 404, which is
// fine. Anything else is unexpected.
var request = new XMLHttpRequest();
request.open("GET", "/tests/dom/imptests/failures/" + W3CTest.getURL() + ".json", false);
request.send();
if (request.status === 200) {
W3CTest.expectedFailures = JSON.parse(request.responseText);
} else if (request.status !== 404) {
W3CTest.logFailure("Request status was " + request.status);
}
add_result_callback(W3CTest.result.bind(W3CTest));
add_completion_callback(W3CTest.finish.bind(W3CTest));
setup({
"output": false,
"timeout": 1000000
});
} catch (e) {
W3CTest.logFailure("Unexpected exception: " + e);
}
})();