From 72c12eda172cf9f25ad4158f1962392d8c64da9e Mon Sep 17 00:00:00 2001
From: Robert Konigsberg <konigsberg@google.com>
Date: Wed, 22 Feb 2012 19:01:06 -0500
Subject: [PATCH] Add tests for drawPointCallback and drawHighlightCallback

---
 auto_tests/tests/callback.js | 72 ++++++++++++++++++++++++++++++++++++++------
 1 file changed, 63 insertions(+), 9 deletions(-)

diff --git a/auto_tests/tests/callback.js b/auto_tests/tests/callback.js
index 8bca592..a7266d1 100644
--- a/auto_tests/tests/callback.js
+++ b/auto_tests/tests/callback.js
@@ -13,11 +13,11 @@ CallbackTestCase.prototype.setUp = function() {
 CallbackTestCase.prototype.tearDown = function() {
 };
  
- 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";
+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";
  
  
 /**
@@ -29,7 +29,7 @@ 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;
   }; 
@@ -58,7 +58,7 @@ CallbackTestCase.prototype.testHighlightCallbackIsCalled = function() {
 CallbackTestCase.prototype.testDrawPointCallback_disabled = function() {
   var called = false;
 
-  var callback =  function() {
+  var callback = function() {
     called = true;
   }; 
 
@@ -76,7 +76,7 @@ CallbackTestCase.prototype.testDrawPointCallback_disabled = function() {
 CallbackTestCase.prototype.testDrawPointCallback_enabled = function() {
   var called = false;
 
-  var callback =  function() {
+  var callback = function() {
     called = true;
   }; 
 
@@ -88,4 +88,58 @@ CallbackTestCase.prototype.testDrawPointCallback_enabled = function() {
 
   assertTrue(called);
 };
-// TODO * @fileoverview Test cases for drawPointCallback and drawHighlightCallback
+
+/**
+ * Test that drawPointCallback is called when drawPoints is true
+ */
+CallbackTestCase.prototype.testDrawPointCallback_pointSize = function() {
+  var pointSize = 0;
+  var count = 0;
+
+  var callback = function(g, seriesName, canvasContext, cx, cy, color, pointSizeParam) {
+    pointSize = pointSizeParam;
+    count++;
+  }; 
+
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, data, {
+      drawPoints : true,
+      drawPointCallback : callback
+    });
+
+  assertEquals(1.5, pointSize);
+  assertEquals(12, count); // one call per data point.
+
+  var g = new Dygraph(graph, data, {
+      drawPoints : true,
+      drawPointCallback : callback,
+      pointSize : 8
+    });
+
+  assertEquals(8, pointSize);
+};
+
+/**
+ * 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) 
+ * 
+ */
+CallbackTestCase.prototype.testDrawHighlightCallbackIsCalled = function() {
+  var called = false;
+
+  var drawHighlightCallback  = function() {
+    called = true;
+  }; 
+
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, data,
+      {
+        width: 100,
+        height : 100,
+        drawHighlightCallback : drawHighlightCallback
+      });
+
+  assertFalse(called);
+  DygraphOps.dispatchMouseMove(g, 13, 10);
+  assertTrue(called);
+};
-- 
2.7.4