Merge branch 'master' of https://github.com/danvk/dygraphs into unzoom
[dygraphs.git] / auto_tests / tests / interaction_model.js
index 8eec47c..7391061 100644 (file)
@@ -331,3 +331,69 @@ InteractionModelTestCase.prototype.testIsZoomed_updateOptions_both = function()
   assertTrue(g.isZoomed("x"));
   assertTrue(g.isZoomed("y"));
 };
+
+
+InteractionModelTestCase.prototype.testCorrectAxisValueRangeAfterUnzoom = function() {
+  var g = new Dygraph(document.getElementById("graph"), data2, {valueRange:[1,50],dateRange:[1,9],animatedZooms:false});
+  
+  // Zoom x axis
+  DygraphOps.dispatchMouseDown_Point(g, 10, 10);
+  DygraphOps.dispatchMouseMove_Point(g, 30, 10);
+  DygraphOps.dispatchMouseUp_Point(g, 30, 10);
+
+  // Zoom y axis
+  DygraphOps.dispatchMouseDown_Point(g, 10, 10);
+  DygraphOps.dispatchMouseMove_Point(g, 10, 30);
+  DygraphOps.dispatchMouseUp_Point(g, 10, 30);
+  currentYAxisRange = g.yAxisRange();
+  currentXAxisRange = g.xAxisRange();
+  
+  //check that the range for the axis has changed
+  assertNotEquals(1,currentXAxisRange[0]);
+  assertNotEquals(10,currentXAxisRange[1]);
+  assertNotEquals(1,currentYAxisRange[0]);
+  assertNotEquals(50,currentYAxisRange[1]);
+  
+  // unzoom by doubleclick.  This is really the order in which a browser
+  // generates events, and we depend on it.
+  DygraphOps.dispatchMouseDown_Point(g, 10, 10);
+  DygraphOps.dispatchMouseUp_Point(g, 10, 10);
+  DygraphOps.dispatchMouseDown_Point(g, 10, 10);
+  DygraphOps.dispatchMouseUp_Point(g, 10, 10);
+  DygraphOps.dispatchDoubleClick(g, null);
+  
+  // check if range for y-axis was reset to original value 
+  // TODO check if range for x-axis is correct. 
+  // Currently not possible because dateRange is set to null and extremes are returned
+  newYAxisRange = g.yAxisRange();
+  assertEquals(1,newYAxisRange[0]);
+  assertEquals(50,newYAxisRange[1]);
+};
+
+/**
+ * Ensures pointClickCallback is called when some points along the y-axis don't
+ * exist.
+ */
+InteractionModelTestCase.prototype.testPointClickCallback_missingData = function() {
+
+  // There's a B-value at 2, but no A-value.
+  var data =
+    "X,A,B\n" +
+    "1,,100\n"+
+    "2,,110\n"+
+    "3,140,120\n"+
+    "4,130,110\n"+
+    "";
+
+  var clicked;
+  var g = new Dygraph(document.getElementById("graph"), data, {
+    pointClickCallback : function(event, point) {
+      clicked = point;
+    }
+  });
+
+  InteractionModelTestCase.clickAt(g, 2, 110);
+
+  assertEquals(2, clicked.xval);
+  assertEquals(110, clicked.yval);
+};