Add a trend line to Functest reporting

And use d3js lib rather than static images

JIRA: FUNCTEST-483

Change-Id: I3c372a8e18fc366dfe510ab551596640fb6d9242
Signed-off-by: Morgan Richomme <morgan.richomme@orange.com>

2 files changed, 233 insertions, 0 deletions

diff --git a/reporting/js/gauge.js b/reporting/js/gauge.js
new file mode 100644
index 0000000..4cad16c
--- /dev/null
+++ b/reporting/js/gauge.js
@@ -0,0 +1,165 @@
+// ******************************************
+// Gauge for reporting
+// Each scenario has a score
+// We use a gauge to indicate the trust level
+// ******************************************
+var gauge = function(container) {
+  var that = {};
+  var config = {
+    size						: 150,
+    clipWidth					: 250,
+    clipHeight					: 100,
+    ringInset					: 20,
+    ringWidth					: 40,
+
+    pointerWidth				: 7,
+    pointerTailLength			: 5,
+    pointerHeadLengthPercent	: 0.8,
+
+    minValue					: 0,
+    maxValue					: 100,
+
+    minAngle					: -90,
+    maxAngle					: 90,
+
+    transitionMs				: 4000,
+
+    majorTicks					: 7,
+    labelFormat					: d3.format(',g'),
+    labelInset					: 10,
+
+    arcColorFn					: d3.interpolateHsl(d3.rgb('#ff0000'), d3.rgb('#00ff00'))
+  };
+
+
+var range = undefined;
+var r = undefined;
+var pointerHeadLength = undefined;
+var value = 0;
+
+var svg = undefined;
+var arc = undefined;
+var scale = undefined;
+var ticks = undefined;
+var tickData = undefined;
+var pointer = undefined;
+
+var donut = d3.layout.pie();
+
+function deg2rad(deg) {
+  return deg * Math.PI / 180;
+}
+
+function newAngle(d) {
+  var ratio = scale(d);
+  var newAngle = config.minAngle + (ratio * range);
+  return newAngle;
+}
+
+function configure() {
+  range = config.maxAngle - config.minAngle;
+  r = config.size / 2;
+  pointerHeadLength = Math.round(r * config.pointerHeadLengthPercent);
+
+  // a linear scale that maps domain values to a percent from 0..1
+  scale = d3.scale.linear()
+    .range([0,1])
+    .domain([config.minValue, config.maxValue]);
+
+  ticks = scale.ticks(config.majorTicks);
+  tickData = d3.range(config.majorTicks).map(function() {return 1/config.majorTicks;});
+
+  arc = d3.svg.arc()
+    .innerRadius(r - config.ringWidth - config.ringInset)
+    .outerRadius(r - config.ringInset)
+    .startAngle(function(d, i) {
+      var ratio = d * i;
+      return deg2rad(config.minAngle + (ratio * range));
+    })
+    .endAngle(function(d, i) {
+      var ratio = d * (i+1);
+      return deg2rad(config.minAngle + (ratio * range));
+    });
+}
+that.configure = configure;
+
+function centerTranslation() {
+  return 'translate('+r +','+ r +')';
+}
+
+function isRendered() {
+  return (svg !== undefined);
+}
+that.isRendered = isRendered;
+
+function render(newValue) {
+  svg = d3.select(container)
+    .append('svg:svg')
+      .attr('class', 'gauge')
+      .attr('width', config.clipWidth)
+      .attr('height', config.clipHeight);
+
+  var centerTx = centerTranslation();
+
+  var arcs = svg.append('g')
+      .attr('class', 'arc')
+      .attr('transform', centerTx);
+
+  arcs.selectAll('path')
+      .data(tickData)
+    .enter().append('path')
+      .attr('fill', function(d, i) {
+        return config.arcColorFn(d * i);
+      })
+      .attr('d', arc);
+
+  var lg = svg.append('g')
+      .attr('class', 'label')
+      .attr('transform', centerTx);
+  lg.selectAll('text')
+      .data(ticks)
+    .enter().append('text')
+      .attr('transform', function(d) {
+        var ratio = scale(d);
+        var newAngle = config.minAngle + (ratio * range);
+        return 'rotate(' +newAngle +') translate(0,' +(config.labelInset - r) +')';
+      })
+      .text(config.labelFormat);
+
+  var lineData = [ [config.pointerWidth / 2, 0],
+          [0, -pointerHeadLength],
+          [-(config.pointerWidth / 2), 0],
+          [0, config.pointerTailLength],
+          [config.pointerWidth / 2, 0] ];
+  var pointerLine = d3.svg.line().interpolate('monotone');
+  var pg = svg.append('g').data([lineData])
+      .attr('class', 'pointer')
+      .attr('transform', centerTx);
+
+  pointer = pg.append('path')
+    .attr('d', pointerLine/*function(d) { return pointerLine(d) +'Z';}*/ )
+    .attr('transform', 'rotate(' +config.minAngle +')');
+
+  update(newValue === undefined ? 0 : newValue);
+}
+that.render = render;
+
+function update(newValue, newConfiguration) {
+  if ( newConfiguration  !== undefined) {
+    configure(newConfiguration);
+  }
+  var ratio = scale(newValue);
+  var newAngle = config.minAngle + (ratio * range);
+  pointer.transition()
+    .duration(config.transitionMs)
+    .ease('elastic')
+    .attr('transform', 'rotate(' +newAngle +')');
+}
+that.update = update;
+
+configure();
+
+render();
+
+return that;
+};
diff --git a/reporting/js/trend.js b/reporting/js/trend.js
new file mode 100644
index 0000000..ec48e75
--- /dev/null
+++ b/reporting/js/trend.js
@@ -0,0 +1,68 @@
+// ******************************************
+// Trend line for reporting
+// based on scenario_history.txt
+// where data looks like
+// date,scenario,installer,detail,score
+// 2016-09-22 13:12,os-nosdn-fdio-noha,apex,4/12,33.0
+// 2016-09-22 13:13,os-odl_l2-fdio-noha,apex,12/15,80.0
+// 2016-09-22 13:13,os-odl_l2-sfc-noha,apex,18/24,75.0
+// .....
+// ******************************************
+// Set the dimensions of the canvas / graph
+var trend_margin = {top: 20, right: 30, bottom: 50, left: 40},
+  trend_width = 300 - trend_margin.left - trend_margin.right,
+  trend_height = 130 - trend_margin.top - trend_margin.bottom;
+
+// Parse the date / time
+var parseDate = d3.time.format("%Y-%m-%d %H:%M").parse;
+
+// Set the ranges
+var trend_x = d3.time.scale().range([0, trend_width]);
+var trend_y = d3.scale.linear().range([trend_height, 0]);
+
+// Define the axes
+var trend_xAxis = d3.svg.axis().scale(trend_x)
+  .orient("bottom").ticks(2).tickFormat(d3.time.format("%m-%d"));
+
+var trend_yAxis = d3.svg.axis().scale(trend_y)
+  .orient("left").ticks(2);
+
+// Define the line
+var valueline = d3.svg.line()
+  .x(function(d) { return trend_x(d.date); })
+  .y(function(d) { return trend_y(d.score); });
+
+var trend = function(container, trend_data) {
+
+    var trend_svg = d3.select(container)
+    .append("svg")
+      .attr("width", trend_width + trend_margin.left + trend_margin.right)
+      .attr("height", trend_height + trend_margin.top + trend_margin.bottom)
+    .append("g")
+            .attr("transform",
+              "translate(" + trend_margin.left + "," + trend_margin.top + ")");
+
+    // Scale the range of the data
+    trend_x.domain(d3.extent(trend_data, function(d) { return d.date; }));
+    trend_y.domain([0, d3.max(trend_data, function(d) { return d.score; })]);
+
+    // Add the X Axis
+    trend_svg.append("g")
+        .attr("class", "x axis")
+        .attr("transform", "translate(0," + trend_height + ")")
+        .call(trend_xAxis);
+
+    // Add the Y Axis
+    trend_svg.append("g")
+        .attr("class", "y axis")
+        .call(trend_yAxis);
+
+    // Add the valueline path.
+    trend_svg.append("path")
+        .attr("class", "line")
+        .attr("d", valueline(trend_data))
+    .attr("stroke", "steelblue")
+    .attr("fill", "none");
+
+     return trend;
+}