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/* Copyright (c) 2010 Richard Wall <richard (at) the-moon.net>
* See LICENSE for details.
*
* Unit tests for Jarmon
**/
YUI({ logInclude: { TestRunner: true } }).use('console', 'test', function(Y) {
Y.Test.Runner.add(new Y.Test.Case({
name: "jarmon.downloadBinary",
test_urlNotFound: function () {
/**
* When url cannot be found, the deferred should errback with status
* 404.
**/
var d = new jarmon.downloadBinary('non-existent-file.html');
d.addBoth(
function(self, ret) {
self.resume(function() {
Y.Assert.isInstanceOf(Error, ret);
Y.Assert.areEqual(404, ret.message);
});
}, this);
this.wait();
},
test_urlFound: function () {
/**
* When url is found, the deferred should callback with an instance
* of javascriptrrd.BinaryFile
**/
var d = new jarmon.downloadBinary('testfile.bin');
d.addBoth(
function(self, ret) {
self.resume(function() {
Y.Assert.isInstanceOf(BinaryFile, ret);
Y.Assert.areEqual(String.fromCharCode(0), ret.getRawData());
});
}, this);
this.wait();
}
}));
var RRD_STEP = 10;
var RRD_DSNAME = 'speed';
var RRD_DSINDEX = 0;
var RRD_RRACOUNT = 2;
var RRD_RRAROWS = 12;
var RRD_STARTTIME = new Date('1 jan 1980 00:00:00').getTime();
var RRD_ENDTIME = new Date('1 jan 1980 00:02:00').getTime();
Y.Test.Runner.add(new Y.Test.Case({
name: "jarmon.RRDFile",
setUp: function() {
this.d = new jarmon.downloadBinary('build/test.rrd')
.addCallback(
function(self, binary) {
return new RRDFile(binary);
}, this)
.addErrback(
function(ret) {
console.log(ret);
});
},
test_getLastUpdate: function () {
/**
* The generated rrd file should have a lastupdate date of
* 1980-01-01 00:50:01
**/
this.d.addCallback(
function(self, rrd) {
self.resume(function() {
Y.Assert.areEqual(
RRD_ENDTIME/1000+1, rrd.getLastUpdate());
});
}, this);
this.wait();
},
test_getDSIndex: function () {
/**
* The generated rrd file should have a single DS whose name is
* 'speed'. A RangeError is thrown if the requested index or dsName
* doesnt exist.
**/
this.d.addCallback(
function(self, rrd) {
self.resume(function() {
Y.Assert.areEqual(RRD_DSNAME, rrd.getDS(0).getName());
Y.Assert.areEqual(
RRD_DSINDEX, rrd.getDS('speed').getIdx());
var error = null;
try {
rrd.getDS(RRD_DSINDEX+1);
} catch(e) {
error = e;
}
Y.assert(error instanceof RangeError);
});
}, this);
this.wait();
},
test_getNrRRAs: function () {
/**
* The generated rrd file should have a single RRA
**/
this.d.addCallback(
function(self, rrd) {
self.resume(function() {
Y.Assert.areEqual(RRD_RRACOUNT, rrd.getNrRRAs());
});
}, this);
this.wait();
},
test_getRRA: function () {
/**
* The generated rrd file should have a single RRA using AVERAGE
* consolidation, step=10, rows=6 and values 0-5
* rra.getEl throws a RangeError if asked for row which doesn't
* exist.
**/
this.d.addCallback(
function(self, rrd) {
self.resume(function() {
var rra = rrd.getRRA(0);
Y.Assert.areEqual('AVERAGE', rra.getCFName());
Y.Assert.areEqual(RRD_STEP, rra.getStep());
Y.Assert.areEqual(RRD_RRAROWS, rra.getNrRows());
for(var i=0; i<RRD_RRAROWS; i++) {
Y.Assert.areEqual(i, rra.getEl(i, RRD_DSINDEX));
}
var error = null
try {
rra.getEl(RRD_RRAROWS+1, 0);
} catch(e) {
error = e;
}
Y.assert(error instanceof RangeError);
});
}, this);
this.wait();
}
}));
Y.Test.Runner.add(new Y.Test.Case({
name: "jarmon.RrdQuery",
setUp: function() {
this.d = new jarmon.downloadBinary('build/test.rrd')
.addCallback(
function(self, binary) {
return new RRDFile(binary);
}, this)
.addErrback(
function(ret) {
console.log(ret);
});
},
test_getDataTimeRangeOverlapError: function () {
/**
* The starttime must be less than the endtime
**/
this.d.addCallback(
function(self, rrd) {
self.resume(function() {
var rq = new jarmon.RrdQuery(rrd, '');
var error = null;
try {
rq.getData(1, 0);
} catch(e) {
error = e;
}
Y.Assert.isInstanceOf(RangeError, error);
});
}, this);
this.wait();
},
test_getDataUnknownCfError: function () {
/**
* Error is raised if the rrd file doesn't contain an RRA with the
* requested consolidation function (CF)
**/
this.d.addCallback(
function(self, rrd) {
self.resume(function() {
var rq = new jarmon.RrdQuery(rrd, '');
var error = null;
try {
rq.getData(RRD_STARTTIME, RRD_ENDTIME, 0, 'FOO');
} catch(e) {
error = e;
}
Y.Assert.isInstanceOf(TypeError, error);
});
}, this);
this.wait();
},
test_getData: function () {
/**
* The generated rrd file should have values 0-9 at 300s intervals
* starting at 1980-01-01 00:00:00
* Result should include a data points with times > starttime and
* <= endTime
**/
this.d.addCallback(
function(self, rrd) {
self.resume(function() {
var rq = new jarmon.RrdQuery(rrd, '');
// We request data starting 1 STEP +1s after the RRD file
// first val and ending 1 STEP -1s before the RRD last val
// ie one step within the RRD file, but 1s away from the
// step boundary to test the quantisation of the
// requested time range.
var data = rq.getData(
RRD_STARTTIME + (RRD_STEP+1) * 1000,
RRD_ENDTIME - (RRD_STEP-1) * 1000);
// so we expect two less rows than the total rows in the
// file.
Y.Assert.areEqual(RRD_RRAROWS-2, data.data.length);
// The value of the first returned row should be the
// second value in the RRD file (starts at value 0)
Y.Assert.areEqual(1, data.data[0][1]);
// The value of the last returned row should be the
// 10 value in the RRD file (starts at value 0)
Y.Assert.areEqual(10, data.data[data.data.length-1][1]);
// The timestamp of the first returned row should be
// exactly one step after the start of the RRD file
Y.Assert.areEqual(
RRD_STARTTIME+RRD_STEP*1000, data.data[0][0]);
// RRD_ENDTIME is on a step boundary and is therfore
// actually the start time of a new row
// So when we ask for endTime = RRD_ENDTIME-STEP-1 we
// actually get data up to the 2nd to last RRD row.
Y.Assert.areEqual(
RRD_ENDTIME-RRD_STEP*1000*2,
data.data[data.data.length-1][0]);
});
}, this);
this.wait();
},
test_getDataUnknownValues: function () {
/**
* If the requested time range is outside the range of the RRD file
* we should not get any values back
**/
this.d.addCallback(
function(self, rrd) {
self.resume(function() {
var rq = new jarmon.RrdQuery(rrd, '');
var data = rq.getData(RRD_ENDTIME, RRD_ENDTIME+1000);
Y.Assert.areEqual(0, data.data.length);
});
}, this);
this.wait();
}
}));
Y.Test.Runner.add(new Y.Test.Case({
name: "jarmon.Chart",
test_draw: function () {
/**
* Test that a rendered chart has the correct dimensions, legend,
* axis, labels etc
**/
var $tpl = $('<div><div class="chart"></div></div>').appendTo($('body'));
var c = new jarmon.Chart($tpl, jarmon.Chart.BASE_OPTIONS);
//
c.options.xaxis.tzoffset = 0;
c.addData('speed', new jarmon.RrdQueryRemote('build/test.rrd', 'm/s'), true);
var d = c.setTimeRange(RRD_STARTTIME, RRD_ENDTIME);
d.addCallback(
function(self) {
self.resume(function() {
// TODO: write useful tests
});
}, this);
this.wait();
},
}));
//initialize the console
var yconsole = new Y.Console({
newestOnTop: false,
width:'600px',
height: '400px'
});
yconsole.render('#log');
Y.Test.Runner.run();
});
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