X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=auto_tests%2Ftests%2Fcallback.js;h=a727fa5b16b06f0230a8b9324c4e340dfd971223;hb=b59d8eebfd61f9a249b4390a6c6ca171188a5282;hp=34310705f821c957b4be2deca3282ae11e7af77d;hpb=65728bc9155b54d20889d255f6d3d8766af8c144;p=dygraphs.git

diff --git a/auto_tests/tests/callback.js b/auto_tests/tests/callback.js
index 3431070..a727fa5 100644
--- a/auto_tests/tests/callback.js
+++ b/auto_tests/tests/callback.js
@@ -1,4 +1,4 @@
-/** 
+/**
  * @fileoverview Test cases for the callbacks.
  *
  * @author uemit.seren@gmail.com (Ümit Seren)
@@ -7,40 +7,45 @@
 var CallbackTestCase = TestCase("callback");
 
 CallbackTestCase.prototype.setUp = function() {
-  document.body.innerHTML = "<div id='graph'></div>";
+  document.body.innerHTML = "<div id='graph'></div><div id='selection'></div>";
+  this.xhr = XMLHttpRequest;
+  this.styleSheet = document.createElement("style");
+  this.styleSheet.type = "text/css";
+  document.getElementsByTagName("head")[0].appendChild(this.styleSheet);
 };
 
 CallbackTestCase.prototype.tearDown = function() {
+  XMLHttpRequest = this.xhr;
 };
- 
+
 var data = "X,a\,b,c\n" +
-    "10,-1,1,2\n" +
-    "11,0,3,1\n" +
-    "12,1,4,2\n" +
-    "13,0,2,3\n";
- 
- 
+ "10,-1,1,2\n" +
+ "11,0,3,1\n" +
+ "12,1,4,2\n" +
+ "13,0,2,3\n";
+
+
 /**
  * This tests that when the function idxToRow_ returns the proper row and the onHiglightCallback
- * is properly called when the first series is hidden (setVisibility = false) 
- * 
+ * is properly called when the  first series is hidden (setVisibility = false)
+ *
  */
 CallbackTestCase.prototype.testHighlightCallbackIsCalled = function() {
   var h_row;
   var h_pts;
 
-  var highlightCallback = function(e, x, pts, row) {
+  var highlightCallback  =  function(e, x, pts, row) {
     h_row = row;
     h_pts = pts;
-  }; 
+  };
 
   var graph = document.getElementById("graph");
   var g = new Dygraph(graph, data,
       {
         width: 100,
-        height : 100,
+        height: 100,
         visibility: [false, true, true],
-        highlightCallback : highlightCallback,
+        highlightCallback: highlightCallback
       });
 
   DygraphOps.dispatchMouseMove(g, 13, 10);
@@ -60,7 +65,7 @@ CallbackTestCase.prototype.testDrawPointCallback_disabled = function() {
 
   var callback = function() {
     called = true;
-  }; 
+  };
 
   var graph = document.getElementById("graph");
   var g = new Dygraph(graph, data, {
@@ -78,7 +83,7 @@ CallbackTestCase.prototype.testDrawPointCallback_enabled = function() {
 
   var callback = function() {
     called = true;
-  }; 
+  };
 
   var graph = document.getElementById("graph");
   var g = new Dygraph(graph, data, {
@@ -99,7 +104,7 @@ CallbackTestCase.prototype.testDrawPointCallback_pointSize = function() {
   var callback = function(g, seriesName, canvasContext, cx, cy, color, pointSizeParam) {
     pointSize = pointSizeParam;
     count++;
-  }; 
+  };
 
   var graph = document.getElementById("graph");
   var g = new Dygraph(graph, data, {
@@ -120,16 +125,58 @@ CallbackTestCase.prototype.testDrawPointCallback_pointSize = function() {
 };
 
 /**
+ * Test that drawPointCallback is called for isolated points when
+ * drawPoints is false, and also for gap points if that's enabled.
+ */
+CallbackTestCase.prototype.testDrawPointCallback_isolated = function() {
+  var xvalues = [];
+
+  var g;
+  var callback = function(g, seriesName, canvasContext, cx, cy, color, pointSizeParam) {
+    var dx = g.toDataXCoord(cx);
+    xvalues.push(dx);
+    Dygraph.Circles.DEFAULT.apply(this, arguments);
+  };
+
+  var graph = document.getElementById("graph");
+  var testdata = [[10, 2], [11, 3], [12, NaN], [13, 2], [14, NaN], [15, 3]];
+  var graphOpts = {
+      labels: ['X', 'Y'],
+      valueRange: [0, 4],
+      drawPoints : false,
+      drawPointCallback : callback,
+      pointSize : 8
+  };
+
+  // Test that isolated points get drawn
+  g = new Dygraph(graph, testdata, graphOpts);
+  assertEquals(2, xvalues.length);
+  assertEquals(13, xvalues[0]);
+  assertEquals(15, xvalues[1]);
+
+  // Test that isolated points + gap points get drawn when
+  // drawGapEdgePoints is set.  This should add one point at the right
+  // edge of the segment at x=11, but not at the graph edge at x=10.
+  xvalues = []; // Reset for new test
+  graphOpts.drawGapEdgePoints = true;
+  g = new Dygraph(graph, testdata, graphOpts);
+  assertEquals(3, xvalues.length);
+  assertEquals(11, xvalues[0]);
+  assertEquals(13, xvalues[1]);
+  assertEquals(15, xvalues[2]);
+};
+
+/**
  * This tests that when the function idxToRow_ returns the proper row and the onHiglightCallback
- * is properly called when the first series is hidden (setVisibility = false) 
- * 
+ * is properly called when the first series is hidden (setVisibility = false)
+ *
  */
 CallbackTestCase.prototype.testDrawHighlightPointCallbackIsCalled = function() {
   var called = false;
 
   var drawHighlightPointCallback  = function() {
     called = true;
-  }; 
+  };
 
   var graph = document.getElementById("graph");
   var g = new Dygraph(graph, data,
@@ -143,3 +190,424 @@ CallbackTestCase.prototype.testDrawHighlightPointCallbackIsCalled = function() {
   DygraphOps.dispatchMouseMove(g, 13, 10);
   assertTrue(called);
 };
+
+/**
+ * Test the closest-series highlighting methods for normal and stacked modes.
+ * Also pass in line widths for plain and highlighted lines for easier visual
+ * confirmation that the highlighted line is drawn on top of the others.
+ */
+var runClosestTest = function(isStacked, widthNormal, widthHighlighted) {
+  var h_row;
+  var h_pts;
+  var h_series;
+
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, data,
+      {
+        width: 600,
+        height: 400,
+        visibility: [false, true, true],
+        stackedGraph: isStacked,
+        strokeWidth: widthNormal,
+        strokeBorderWidth: 2,
+        highlightCircleSize: widthNormal * 2,
+        highlightSeriesBackgroundAlpha: 0.3,
+
+        highlightSeriesOpts: {
+          strokeWidth: widthHighlighted,
+          highlightCircleSize: widthHighlighted * 2
+        }
+      });
+
+  var highlightCallback  =  function(e, x, pts, row, set) {
+    h_row = row;
+    h_pts = pts;
+    h_series = set;
+    document.getElementById('selection').innerHTML='row=' + row + ', set=' + set;
+  };
+
+  g.updateOptions({highlightCallback: highlightCallback}, true);
+
+  if (isStacked) {
+    DygraphOps.dispatchMouseMove(g, 11.45, 1.4);
+    assertEquals(1, h_row);
+    assertEquals('c', h_series);
+
+    //now move up in the same row
+    DygraphOps.dispatchMouseMove(g, 11.45, 1.5);
+    assertEquals(1, h_row);
+    assertEquals('b', h_series);
+
+    //and a bit to the right
+    DygraphOps.dispatchMouseMove(g, 11.55, 1.5);
+    assertEquals(2, h_row);
+    assertEquals('c', h_series);
+  } else {
+    DygraphOps.dispatchMouseMove(g, 11, 1.5);
+    assertEquals(1, h_row);
+    assertEquals('c', h_series);
+
+    //now move up in the same row
+    DygraphOps.dispatchMouseMove(g, 11, 2.5);
+    assertEquals(1, h_row);
+    assertEquals('b', h_series);
+  }
+
+  return g;
+};
+
+/**
+ * Test basic closest-point highlighting.
+ */
+CallbackTestCase.prototype.testClosestPointCallback = function() {
+  runClosestTest(false, 1, 3);
+}
+
+/**
+ * Test setSelection() with series name
+ */
+CallbackTestCase.prototype.testSetSelection = function() {
+  var g = runClosestTest(false, 1, 3);
+  assertEquals(1, g.attr_('strokeWidth', 'c'));
+  g.setSelection(false, 'c');
+  assertEquals(3, g.attr_('strokeWidth', 'c'));
+}
+
+/**
+ * Test closest-point highlighting for stacked graph
+ */
+CallbackTestCase.prototype.testClosestPointStackedCallback = function() {
+  runClosestTest(true, 1, 3);
+}
+
+/**
+ * Closest-point highlighting with legend CSS - border around active series.
+ */
+CallbackTestCase.prototype.testClosestPointCallbackCss1 = function() {
+  var css = "div.dygraph-legend > span { display: block; }\n" +
+    "div.dygraph-legend > span.highlight { border: 1px solid grey; }\n";
+  this.styleSheet.innerHTML = css;
+  runClosestTest(false, 2, 4);
+  this.styleSheet.innerHTML = '';
+}
+
+/**
+ * Closest-point highlighting with legend CSS - show only closest series.
+ */
+CallbackTestCase.prototype.testClosestPointCallbackCss2 = function() {
+  var css = "div.dygraph-legend > span { display: none; }\n" +
+    "div.dygraph-legend > span.highlight { display: inline; }\n";
+  this.styleSheet.innerHTML = css;
+  runClosestTest(false, 10, 15);
+  this.styleSheet.innerHTML = '';
+  // TODO(klausw): verify that the highlighted line is drawn on top?
+}
+
+/**
+ * Closest-point highlighting with locked series.
+ */
+CallbackTestCase.prototype.testSetSelectionLocking = function() {
+  var g = runClosestTest(false, 2, 4);
+
+  // Default behavior, 'b' is closest
+  DygraphOps.dispatchMouseMove(g, 11, 4);
+  assertEquals('b', g.getHighlightSeries());
+
+  // Now lock selection to 'c'
+  g.setSelection(false, 'c', true);
+  DygraphOps.dispatchMouseMove(g, 11, 4);
+  assertEquals('c', g.getHighlightSeries());
+
+  // Unlock, should be back to 'b'
+  g.clearSelection();
+  DygraphOps.dispatchMouseMove(g, 11, 4);
+  assertEquals('b', g.getHighlightSeries());
+}
+
+/**
+ * This tests that closest point searches work for data containing NaNs.
+ *
+ * It's intended to catch a regression where a NaN Y value confuses the
+ * closest-point algorithm, treating it as closer as any previous point.
+ */
+CallbackTestCase.prototype.testNaNData = function() {
+  var dataNaN = [
+    [9, -1, NaN, NaN],
+    [10, -1, 1, 2],
+    [11, 0, 3, 1],
+    [12, 1, 4, NaN],
+    [13, 0, 2, 3],
+    [14, -1, 1, 4]];
+
+  var h_row;
+  var h_pts;
+
+  var highlightCallback  =  function(e, x, pts, row) {
+    h_row = row;
+    h_pts = pts;
+  };
+
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, dataNaN,
+      {
+        width: 600,
+        height: 400,
+        labels: ['x', 'a', 'b', 'c'],
+        visibility: [false, true, true],
+        highlightCallback: highlightCallback
+      });
+
+  DygraphOps.dispatchMouseMove(g, 10.1, 0.9);
+  //check correct row is returned
+  assertEquals(1, h_row);
+
+  // Explicitly test closest point algorithms
+  var dom = g.toDomCoords(10.1, 0.9);
+  assertEquals(1, g.findClosestRow(dom[0]));
+
+  var res = g.findClosestPoint(dom[0], dom[1]);
+  assertEquals(1, res.row);
+  assertEquals('b', res.seriesName);
+
+  res = g.findStackedPoint(dom[0], dom[1]);
+  assertEquals(1, res.row);
+  assertEquals('c', res.seriesName);
+};
+
+/**
+ * This tests that stacked point searches work for data containing NaNs.
+ */
+CallbackTestCase.prototype.testNaNDataStack = function() {
+  var dataNaN = [
+    [9, -1, NaN, NaN],
+    [10, -1, 1, 2],
+    [11, 0, 3, 1],
+    [12, 1, NaN, 2],
+    [13, 0, 2, 3],
+    [14, -1, 1, 4],
+    [15, 0, 2, NaN],
+    [16, 1, 1, 3],
+    [17, 1, NaN, 3],
+    [18, 0, 2, 5],
+    [19, 0, 1, 4]];
+
+  var h_row;
+  var h_pts;
+
+  var highlightCallback  =  function(e, x, pts, row) {
+    h_row = row;
+    h_pts = pts;
+  };
+
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, dataNaN,
+      {
+        width: 600,
+        height: 400,
+        labels: ['x', 'a', 'b', 'c'],
+        visibility: [false, true, true],
+        stackedGraph: true,
+        highlightCallback: highlightCallback
+      });
+
+  DygraphOps.dispatchMouseMove(g, 10.1, 0.9);
+  //check correct row is returned
+  assertEquals(1, h_row);
+
+  // Explicitly test stacked point algorithm.
+  var dom = g.toDomCoords(10.1, 0.9);
+  var res = g.findStackedPoint(dom[0], dom[1]);
+  assertEquals(1, res.row);
+  assertEquals('c', res.seriesName);
+
+  // First gap, no data due to NaN contagion.
+  dom = g.toDomCoords(12.1, 0.9);
+  res = g.findStackedPoint(dom[0], dom[1]);
+  assertEquals(3, res.row);
+  assertEquals(undefined, res.seriesName);
+
+  // Second gap, no data due to NaN contagion.
+  dom = g.toDomCoords(15.1, 0.9);
+  res = g.findStackedPoint(dom[0], dom[1]);
+  assertEquals(6, res.row);
+  assertEquals(undefined, res.seriesName);
+
+  // Isolated points should work, finding series b in this case.
+  dom = g.toDomCoords(15.9, 3.1);
+  res = g.findStackedPoint(dom[0], dom[1]);
+  assertEquals(7, res.row);
+  assertEquals('b', res.seriesName);
+};
+
+CallbackTestCase.prototype.testGapHighlight = function() {
+  var dataGap = [
+    [1, null, 3],
+    [2, 2, null],
+    [3, null, 5],
+    [4, 4, null],
+    [5, null, 7],
+    [6, NaN, null],
+    [8, 8, null],
+    [10, 10, null]];
+
+  var h_row;
+  var h_pts;
+
+  var highlightCallback  =  function(e, x, pts, row) {
+    h_row = row;
+    h_pts = pts;
+  };
+
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, dataGap, {
+     width: 400,
+     height: 300,
+     //stackedGraph: true,
+     connectSeparatedPoints: true,
+     drawPoints: true,
+     labels: ['x', 'A', 'B'],
+     highlightCallback : highlightCallback
+  });
+
+  DygraphOps.dispatchMouseMove(g, 1.1, 10);
+  //point from series B
+  assertEquals(0, h_row);
+  assertEquals(1, h_pts.length);
+  assertEquals(3, h_pts[0].yval);
+  assertEquals('B', h_pts[0].name);
+
+  DygraphOps.dispatchMouseMove(g, 6.1, 10);
+  // A is NaN at x=6
+  assertEquals(1, h_pts.length);
+  assert(isNaN(h_pts[0].yval));
+  assertEquals('A', h_pts[0].name);
+
+  DygraphOps.dispatchMouseMove(g, 8.1, 10);
+  //point from series A
+  assertEquals(6, h_row);
+  assertEquals(1, h_pts.length);
+  assertEquals(8, h_pts[0].yval);
+  assertEquals('A', h_pts[0].name);
+};
+
+CallbackTestCase.prototype.testFailedResponse = function() {
+
+  // Fake out the XMLHttpRequest so it doesn't do anything.
+  XMLHttpRequest = function () {};
+  XMLHttpRequest.prototype.open = function () {};
+  XMLHttpRequest.prototype.send = function () {};
+
+  var highlightCallback = function(e, x, pts, row) {
+    fail("should not reach here");
+  };
+
+  var graph = document.getElementById("graph");
+  graph.style.border = "2px solid black";
+  var g = new Dygraph(graph, "data.csv", { // fake name
+     width: 400,
+     height: 300,
+     highlightCallback : highlightCallback
+  });
+
+  DygraphOps.dispatchMouseOver_Point(g, 800, 800);
+  DygraphOps.dispatchMouseMove_Point(g, 100, 100);
+  DygraphOps.dispatchMouseMove_Point(g, 800, 800);
+
+  var oldOnerror = window.onerror;
+  var failed = false;
+  window.onerror = function() { failed = true; return false; }
+
+  DygraphOps.dispatchMouseOut_Point(g, 800, 800); // This call should not throw an exception.
+
+  assertFalse("exception thrown during mouseout", failed);
+};
+
+
+// Regression test for http://code.google.com/p/dygraphs/issues/detail?id=355 
+CallbackTestCase.prototype.testHighlightCallbackRow = function() {
+  var highlightRow;
+  var highlightCallback = function(e, x, pts, row) {
+    highlightRow = row;
+  };
+
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph,
+    "X,Y,Z\n" +
+    "0,1,2\n" +  // 0
+    "1,2,3\n" +  // 100
+    "2,3,4\n" +  // 200
+    "3,4,5\n" +  // 300
+    "4,5,6\n",   // 400
+    { // fake name
+       width: 400,
+       height: 300,
+       highlightCallback : highlightCallback
+    });
+
+  // Mouse over each of the points
+  DygraphOps.dispatchMouseOver_Point(g, 0, 0);
+  DygraphOps.dispatchMouseMove_Point(g, 0, 0);
+  assertEquals(0, highlightRow);
+  DygraphOps.dispatchMouseMove_Point(g, 100, 0);
+  assertEquals(1, highlightRow);
+  DygraphOps.dispatchMouseMove_Point(g, 200, 0);
+  assertEquals(2, highlightRow);
+  DygraphOps.dispatchMouseMove_Point(g, 300, 0);
+  assertEquals(3, highlightRow);
+  DygraphOps.dispatchMouseMove_Point(g, 400, 0);
+  assertEquals(4, highlightRow);
+
+  // Now zoom and verify that the row numbers still refer to rows in the data
+  // array.
+  g.updateOptions({dateWindow: [2, 4]});
+  DygraphOps.dispatchMouseOver_Point(g, 0, 0);
+  DygraphOps.dispatchMouseMove_Point(g, 0, 0);
+  assertEquals(2, highlightRow);
+  assertEquals('2: Y: 3 Z: 4', Util.getLegend());
+};
+
+/**
+ * Test that underlay callback is called even when there are no series,
+ * and that the y axis ranges are not NaN.
+ */
+CallbackTestCase.prototype.underlayCallback_noSeries = function() {
+  var called = false;
+  var yMin, yMax;
+
+  var callback = function(canvas, area, g) {
+    called = true;
+    yMin = g.yAxisRange(0)[0];
+    yMax = g.yAxisRange(0)[1];
+  };
+
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, "\n", {
+      underlayCallback: callback
+    });
+
+  assertTrue(called);
+  assertFalse(isNaN(yMin));
+  assertFalse(isNaN(yMax));
+};
+
+/**
+ * Test that underlay callback receives the correct y-axis range.
+ */
+CallbackTestCase.prototype.underlayCallback_yAxisRange = function() {
+  var called = false;
+  var yMin, yMax;
+
+  var callback = function(canvas, area, g) {
+    yMin = g.yAxisRange(0)[0];
+    yMax = g.yAxisRange(0)[1];
+  };
+
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, "\n", {
+      valueRange: [0,10],
+      underlayCallback: callback
+    });
+
+  assertEquals(0, yMin);
+  assertEquals(10, yMax);
+};