Convert tests from jstd to Mocha.

[dygraphs.git] / auto_tests / tests / simple_drawing.js

diff --git a/auto_tests/tests/simple_drawing.js b/auto_tests/tests/simple_drawing.js
index c7c7f9b..5570132 100644 (file)
--- a/auto_tests/tests/simple_drawing.js
+++ b/auto_tests/tests/simple_drawing.js
@@ -25,26 +25,32 @@
  */
 var ZERO_TO_FIFTY = [[ 10, 0 ] , [ 20, 50 ]];
 
-var SimpleDrawingTestCase = TestCase("simple-drawing");
+describe("simple-drawing", function() {
 
 var _origFunc = Dygraph.getContext;
-SimpleDrawingTestCase.prototype.setUp = function() {
+beforeEach(function() {
   document.body.innerHTML = "<div id='graph'></div>";
   Dygraph.getContext = function(canvas) {
     return new Proxy(_origFunc(canvas));
   }
-};
+});
 
-SimpleDrawingTestCase.prototype.tearDown = function() {
+afterEach(function() {
   Dygraph.getContext = _origFunc;
-};
+});
 
-SimpleDrawingTestCase.prototype.testDrawSimpleRangePlusOne = function() {
+it('testDrawSimpleRangePlusOne', function() {
   var opts = {
-    drawXGrid: false,
-    drawYGrid: false,
-    drawXAxis: false,
-    drawYAxis: false,
+    axes : {
+      x : {
+        drawGrid: false,
+        drawAxis: false,
+      },
+      y : {
+        drawGrid: false,
+        drawAxis: false,
+      }
+    },
     valueRange: [0,51] }
 
   var graph = document.getElementById("graph");
@@ -55,29 +61,67 @@ SimpleDrawingTestCase.prototype.testDrawSimpleRangePlusOne = function() {
     strokeStyle: "#008080",
     lineWidth: 1
   });
+  g.destroy(); // to balance context saves and destroys.
   CanvasAssertions.assertBalancedSaveRestore(htx);
-};
+});
+
+// See http://code.google.com/p/dygraphs/issues/detail?id=185
+it('testDrawSimpleRangeZeroToFifty', function() {
+  var opts = {
+    axes : {
+      x : {
+        drawGrid: false,
+        drawAxis: false,
+      },
+      y : {
+        drawGrid: false,
+        drawAxis: false,
+      }
+    },
+    valueRange: [0,50] }
 
-SimpleDrawingTestCase.prototype.testDrawWithAxis = function() {
+  var graph = document.getElementById("graph");
+  var g = new Dygraph(graph, ZERO_TO_FIFTY, opts);
+  var htx = g.hidden_ctx_;
+
+  var lines = CanvasAssertions.getLinesDrawn(htx, {
+    strokeStyle: "#008080",
+    lineWidth: 1
+  });
+  assert.equal(1, lines.length);
+  g.destroy(); // to balance context saves and destroys.
+  CanvasAssertions.assertBalancedSaveRestore(htx);
+});
+
+it('testDrawWithAxis', function() {
   var graph = document.getElementById("graph");
   var g = new Dygraph(graph, ZERO_TO_FIFTY);
 
   var htx = g.hidden_ctx_;
+  g.destroy(); // to balance context saves and destroys.
   CanvasAssertions.assertBalancedSaveRestore(htx);
-};
+});
 
 /**
  * Tests that it is drawing dashes, and it remember the dash history between
  * points.
  */
-SimpleDrawingTestCase.prototype.testDrawSimpleDash = function() {
+it('testDrawSimpleDash', function() {
   var opts = {
-      drawXGrid: false,
-      drawYGrid: false,
-      drawXAxis: false,
-      drawYAxis: false,
+    axes: {
+      x: {
+        drawGrid: false,
+        drawAxis: false
+      },
+      y: {
+        drawGrid: false,
+        drawAxis: false
+      }
+    },
+    series: {
       'Y1': {strokePattern: [25, 7, 7, 7]},
-      colors: ['#ff0000']
+    },
+    colors: ['#ff0000']
   };
 
   var graph = document.getElementById("graph");
@@ -85,23 +129,30 @@ SimpleDrawingTestCase.prototype.testDrawSimpleDash = function() {
   graph.style.width='480px';
   graph.style.height='320px';
   var g = new Dygraph(graph, [[1, 4], [2, 5], [3, 3], [4, 7], [5, 9]], opts);
-  htx = g.hidden_ctx_;
+  var htx = g.hidden_ctx_;
 
   // TODO(danvk): figure out a good way to restore this test.
-  // assertEquals(29, CanvasAssertions.numLinesDrawn(htx, "#ff0000"));
+  // assert.equal(29, CanvasAssertions.numLinesDrawn(htx, "#ff0000"));
+  g.destroy(); // to balance context saves and destroys.
   CanvasAssertions.assertBalancedSaveRestore(htx);
-};
+});
 
 /**
  * Tests that thick lines are drawn continuously.
  * Regression test for http://code.google.com/p/dygraphs/issues/detail?id=328
  */
-SimpleDrawingTestCase.prototype.testDrawThickLine = function() {
+it('testDrawThickLine', function() {
   var opts = {
-    drawXGrid: false,
-    drawYGrid: false,
-    drawXAxis: false,
-    drawYAxis: false,
+    axes : {
+      x : {
+        drawGrid: false,
+        drawAxis: false,
+      },
+      y : {
+        drawGrid: false,
+        drawAxis: false,
+      }
+    },
     strokeWidth: 15,
     colors: ['#ff0000']
   };
@@ -111,7 +162,7 @@ SimpleDrawingTestCase.prototype.testDrawThickLine = function() {
   graph.style.width='480px';
   graph.style.height='320px';
   var g = new Dygraph(graph, [[1, 2], [2, 5], [3, 2], [4, 7], [5, 0]], opts);
-  htx = g.hidden_ctx_;
+  var htx = g.hidden_ctx_;
 
   // There's a big gap in the line at (2, 5)
   // If the bug is fixed, then there should be some red going up from here.
@@ -119,11 +170,14 @@ SimpleDrawingTestCase.prototype.testDrawThickLine = function() {
   var x = Math.round(xy[0]), y = Math.round(xy[1]);
 
   var sampler = new PixelSampler(g);
-  assertEquals([255,0,0,255], sampler.colorAtPixel(x, y));
-  assertEquals([255,0,0,255], sampler.colorAtPixel(x, y - 1));
-  assertEquals([255,0,0,255], sampler.colorAtPixel(x, y - 2));
+  assert.deepEqual([255,0,0,255], sampler.colorAtPixel(x, y));
+  assert.deepEqual([255,0,0,255], sampler.colorAtPixel(x, y - 1));
+  assert.deepEqual([255,0,0,255], sampler.colorAtPixel(x, y - 2));
 
   // TODO(danvk): figure out a good way to restore this test.
-  // assertEquals(29, CanvasAssertions.numLinesDrawn(htx, "#ff0000"));
+  // assert.equal(29, CanvasAssertions.numLinesDrawn(htx, "#ff0000"));
+  g.destroy(); // to balance context saves and destroys.
   CanvasAssertions.assertBalancedSaveRestore(htx);
-};
+});
+
+});