X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=auto_tests%2Ftests%2Fsimple_drawing.js;h=5ffe5320e83be9e2a8c565856505654edb5b6c76;hb=bfb3e0a44ba7eb76704389cd1515db9995944d41;hp=7e9e6efa0e727efb6385fe3745103f6d3496c5cb;hpb=02eb7ae72eb3d5e83c2bf546d1fc2a6a60b91008;p=dygraphs.git diff --git a/auto_tests/tests/simple_drawing.js b/auto_tests/tests/simple_drawing.js index 7e9e6ef..5ffe532 100644 --- a/auto_tests/tests/simple_drawing.js +++ b/auto_tests/tests/simple_drawing.js @@ -27,32 +27,155 @@ var ZERO_TO_FIFTY = [[ 10, 0 ] , [ 20, 50 ]]; var SimpleDrawingTestCase = TestCase("simple-drawing"); -var _origFunc = Dygraph.getContext; +SimpleDrawingTestCase._origFunc = Dygraph.getContext; SimpleDrawingTestCase.prototype.setUp = function() { document.body.innerHTML = "
"; Dygraph.getContext = function(canvas) { - return new Proxy(_origFunc(canvas)); + return new Proxy(SimpleDrawingTestCase._origFunc(canvas)); } }; SimpleDrawingTestCase.prototype.tearDown = function() { - Dygraph.getContext = _origFunc; + Dygraph.getContext = SimpleDrawingTestCase._origFunc; }; SimpleDrawingTestCase.prototype.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"); var g = new Dygraph(graph, ZERO_TO_FIFTY, opts); var htx = g.hidden_ctx_; - CanvasAssertions.assertLineDrawn(htx, [56,300], [475,5.8], { + CanvasAssertions.assertLineDrawn(htx, [0,320], [475,6.2745], { 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 +SimpleDrawingTestCase.prototype.testDrawSimpleRangeZeroToFifty = function() { + var opts = { + axes : { + x : { + drawGrid: false, + drawAxis: false, + }, + y : { + drawGrid: false, + drawAxis: false, + } + }, + valueRange: [0,50] } + + 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 + }); + assertEquals(1, lines.length); + g.destroy(); // to balance context saves and destroys. + CanvasAssertions.assertBalancedSaveRestore(htx); +}; + +SimpleDrawingTestCase.prototype.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() { + var opts = { + axes: { + x: { + drawGrid: false, + drawAxis: false + }, + y: { + drawGrid: false, + drawAxis: false + } + }, + series: { + 'Y1': {strokePattern: [25, 7, 7, 7]}, + }, + colors: ['#ff0000'] + }; + + var graph = document.getElementById("graph"); + // Set the dims so we pass if default changes. + 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_; + + // TODO(danvk): figure out a good way to restore this test. + // assertEquals(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() { + var opts = { + axes : { + x : { + drawGrid: false, + drawAxis: false, + }, + y : { + drawGrid: false, + drawAxis: false, + } + }, + strokeWidth: 15, + colors: ['#ff0000'] + }; + + var graph = document.getElementById("graph"); + // Set the dims so we pass if default changes. + 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_; + + // 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. + var xy = g.toDomCoords(2, 5); + 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)); + + // TODO(danvk): figure out a good way to restore this test. + // assertEquals(29, CanvasAssertions.numLinesDrawn(htx, "#ff0000")); + g.destroy(); // to balance context saves and destroys. + CanvasAssertions.assertBalancedSaveRestore(htx); +};