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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
// *********************** Test Framework of Sorts ************************* //
function loadScript(url) {
if (typeof document != "undefined") document.write('<script src="'+url+'"></script>');
};
function patchTest(fun) {
var source = fun.toString();
var output = "";
var i = 0;
var testMarker = "T("
while (i < source.length) {
var testStart = source.indexOf(testMarker, i);
if (testStart == -1) {
output = output + source.substring(i, source.length);
break;
}
var testEnd = source.indexOf(");", testStart);
var testCode = source.substring(testStart + testMarker.length, testEnd);
output += source.substring(i, testStart) + "T(" + testCode + "," + JSON.stringify(testCode);
i = testEnd;
}
try {
return eval("(" + output + ")");
} catch (e) {
return null;
}
}
function runAllTests() {
var rows = $("#tests tbody.content tr");
$("td", rows).text("");
$("td.status", rows).removeClass("error").removeClass("failure").removeClass("success").text("not run");
var offset = 0;
function runNext() {
if (offset < rows.length) {
var row = rows.get(offset);
runTest($("th button", row).get(0), function() {
offset += 1;
setTimeout(runNext, 100);
});
}
}
runNext();
}
var numFailures = 0;
var currentRow = null;
function runTest(button, callback, debug) {
if (currentRow != null) {
alert("Can not run multiple tests simultaneously.");
return;
}
var row = currentRow = $(button).parents("tr").get(0);
$("td.status", row).removeClass("error").removeClass("failure").removeClass("success");
$("td", row).text("");
var testFun = couchTests[row.id];
function run() {
numFailures = 0;
var start = new Date().getTime();
try {
if (debug == undefined || !debug) {
testFun = patchTest(testFun) || testFun;
}
testFun(debug);
var status = numFailures > 0 ? "failure" : "success";
} catch (e) {
var status = "error";
if ($("td.details ol", row).length == 0) {
$("<ol></ol>").appendTo($("td.details", row));
}
$("<li><b>Exception raised:</b> <code class='error'></code></li>")
.find("code").text(JSON.stringify(e)).end()
.appendTo($("td.details ol", row));
if (debug) {
currentRow = null;
throw e;
}
}
if ($("td.details ol", row).length) {
$("<a href='#'>Run with debugger</a>").click(function() {
runTest(this, undefined, true);
}).prependTo($("td.details ol", row));
}
var duration = new Date().getTime() - start;
$("td.status", row).removeClass("running").addClass(status).text(status);
$("td.duration", row).text(duration + "ms");
updateTestsFooter();
currentRow = null;
if (callback) callback();
}
$("td.status", row).addClass("running").text("running…");
setTimeout(run, 100);
}
function showSource(cell) {
var name = $(cell).text();
var win = window.open("", name, "width=700,height=500,resizable=yes,scrollbars=yes");
win.document.location = "script/test/" + name + ".js";
}
function updateTestsListing() {
for (var name in couchTests) {
var testFunction = couchTests[name];
var row = $("<tr><th></th><td></td><td></td><td></td></tr>")
.find("th").text(name).attr("title", "Show source").click(function() {
showSource(this);
}).end()
.find("td:nth(0)").addClass("status").text("not run").end()
.find("td:nth(1)").addClass("duration").end()
.find("td:nth(2)").addClass("details").end();
$("<button type='button' class='run' title='Run test'></button>").click(function() {
this.blur();
runTest(this);
return false;
}).prependTo(row.find("th"));
row.attr("id", name).appendTo("#tests tbody.content");
}
$("#tests tr").removeClass("odd").filter(":odd").addClass("odd");
updateTestsFooter();
}
function updateTestsFooter() {
var tests = $("#tests tbody.content tr td.status");
var testsRun = tests.filter(".success, .error, .failure");
var testsFailed = testsRun.not(".success");
var totalDuration = 0;
$("#tests tbody.content tr td.duration:contains('ms')").each(function() {
var text = $(this).text();
totalDuration += parseInt(text.substr(0, text.length - 2), 10);
});
$("#tests tbody.footer td").text(testsRun.length + " of " + tests.length +
" test(s) run, " + testsFailed.length + " failures (" +
totalDuration + " ms)");
}
// Use T to perform a test that returns false on failure and if the test fails,
// display the line that failed.
// Example:
// T(MyValue==1);
function T(arg1, arg2, testName) {
if (!arg1) {
if (currentRow) {
if ($("td.details ol", currentRow).length == 0) {
$("<ol></ol>").appendTo($("td.details", currentRow));
}
$("<li><b>Assertion " + (testName ? "'" + testName + "'" : "") + " failed:</b> <code class='failure'></code></li>")
.find("code").text((arg2 != null ? arg2 : arg1).toString()).end()
.appendTo($("td.details ol", currentRow));
}
numFailures += 1
}
}
function TEquals(expected, actual, testName) {
T(equals(expected, actual), "expected '" + expected + "', got '" + actual + "'", testName);
}
function equals(a,b) {
if (a === b) return true;
try {
return repr(a) === repr(b);
} catch (e) {
return false;
}
}
function repr(val) {
if (val === undefined) {
return null;
} else if (val === null) {
return "null";
} else {
return JSON.stringify(val);
}
}
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