From b3b166f6455b8556b5f14f35f8f755f26d5d87e1 Mon Sep 17 00:00:00 2001
From: Richard Wall <richard@largo>
Date: Thu, 30 Dec 2010 12:56:10 +0000
Subject: Unit tests for RrdQueryRemote

---
 jarmon/jarmon.js      |  4 +--
 jarmon/jarmon.test.js | 99 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 101 insertions(+), 2 deletions(-)

diff --git a/jarmon/jarmon.js b/jarmon/jarmon.js
index a66a93b..6e1d1f8 100644
--- a/jarmon/jarmon.js
+++ b/jarmon/jarmon.js
@@ -316,7 +316,7 @@ jarmon.RrdQueryRemote.prototype._callRemote = function(methodName, args) {
 };
 
 
-jarmon.RrdQueryRemote.prototype.getData = function(startTime, endTime, dsId) {
+jarmon.RrdQueryRemote.prototype.getData = function(startTime, endTime, dsId, cfName) {
     /**
      * Return a Flot compatible data series asynchronously.
      *
@@ -329,7 +329,7 @@ jarmon.RrdQueryRemote.prototype.getData = function(startTime, endTime, dsId) {
     if(this.lastUpdate < endTime/1000) {
         this._download = null;
     }
-    return this._callRemote('getData', [startTime, endTime, dsId]);
+    return this._callRemote('getData', [startTime, endTime, dsId, cfName]);
 };
 
 /**
diff --git a/jarmon/jarmon.test.js b/jarmon/jarmon.test.js
index fda076f..2b4465d 100644
--- a/jarmon/jarmon.test.js
+++ b/jarmon/jarmon.test.js
@@ -276,6 +276,105 @@ YUI({ logInclude: { TestRunner: true } }).use('console', 'test', function(Y) {
     }));
 
 
+    Y.Test.Runner.add(new Y.Test.Case({
+        name: "jarmon.RrdQueryRemote",
+
+        setUp: function() {
+            this.rq = new jarmon.RrdQueryRemote('build/test.rrd', '')
+        },
+
+        test_getDataTimeRangeOverlapError: function () {
+            /**
+             * The starttime must be less than the endtime
+             **/
+            this.rq.getData(1, 0).addBoth(
+                function(self, res) {
+                    self.resume(function() {
+                        Y.Assert.isInstanceOf(RangeError, res);
+                    });
+                }, 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.rq.getData(RRD_STARTTIME, RRD_ENDTIME, 0, 'FOO').addBoth(
+                function(self, res) {
+                    self.resume(function() {
+                        Y.Assert.isInstanceOf(TypeError, res);
+                    });
+                }, 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.rq.getData(RRD_STARTTIME + (RRD_STEP+1) * 1000,
+                            RRD_ENDTIME - (RRD_STEP-1) * 1000).addBoth(
+                function(self, data) {
+                    self.resume(function() {
+                        // 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.
+
+                        // 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.rq.getData(RRD_ENDTIME, RRD_ENDTIME+1000).addBoth(
+                function(self, data) {
+                    self.resume(function() {
+                        Y.Assert.areEqual(0, data.data.length);
+                    });
+                }, this);
+            this.wait();
+        }
+
+    }));
+
+
     Y.Test.Runner.add(new Y.Test.Case({
         name: "jarmon.Chart",
 
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