From: Dan Vanderkam Date: Sun, 29 Mar 2015 02:41:58 +0000 (-0400) Subject: Basic tests for GViz support X-Git-Tag: v2.0.0~66^2~3 X-Git-Url: https://adrianiainlam.tk/git/?a=commitdiff_plain;h=23b6c2e2d33b752d735f3b5d059d34440ff7f8c1;p=dygraphs.git Basic tests for GViz support --- diff --git a/auto_tests/tests/gviz.js b/auto_tests/tests/gviz.js new file mode 100644 index 0000000..c663029 --- /dev/null +++ b/auto_tests/tests/gviz.js @@ -0,0 +1,152 @@ +/** + * Unit tests for GViz data table support. + */ + +describe('gviz', function() { + + beforeEach(function() { + document.body.innerHTML = "
"; + }); + + afterEach(function() { + }); + + // This is a fake version of the gviz DataTable API, which can only be + // sourced using the google js loader. + // + // Their example of the "data" structure is: + // cols: [{id: 'task', label: 'Task', type: 'string'}, + // {id: 'hours', label: 'Hours per Day', type: 'number'}], + // rows: [{c:[{v: 'Work'}, {v: 11}]}, + // {c:[{v: 'Eat'}, {v: 2}]}, + // {c:[{v: 'Commute'}, {v: 2}]}, + // {c:[{v: 'Watch TV'}, {v:2}]}, + // {c:[{v: 'Sleep'}, {v:7, f:'7.000'}]} + // ] + // + // https://developers.google.com/chart/interactive/docs/reference#DataTable + var FakeDataTable = function(data) { + this.data = data; + }; + FakeDataTable.prototype.getNumberOfColumns = function() { + return this.data.cols.length; + }; + FakeDataTable.prototype.getNumberOfRows = function() { + return this.data.rows.length; + }; + FakeDataTable.prototype.getColumnType = function(idx) { + return this.data.cols[idx].type; + }; + FakeDataTable.prototype.getColumnLabel = function(idx) { + return this.data.cols[idx].label; + }; + FakeDataTable.prototype.getValue = function(row, col) { + return this.data.rows[row].c[col].v; + }; + FakeDataTable.prototype.getColumnRange = function(col) { + throw 'Not Implemented'; + }; + + // This mirrors http://dygraphs.com/tests/gviz.html + var numericData = new FakeDataTable({ + cols: [{id:"",label:"X",type:"number"}, + {id:"",label:"A",type:"number"}, + {id:"",label:"B",type:"number"}], + rows: [{c:[{v:0},{v:1},{v:7}]}, + {c:[{v:1},{v:2},{v:4}]}, + {c:[{v:2},{v:3},{v:3}]}, + {c:[{v:3},{v:4},{v:0}]}] + }); + + it('should parse simple data tables', function() { + var g = new Dygraph('graph', numericData); + assert.equal(4, g.numRows()); + assert.equal(3, g.numColumns()); + assert.equal(0, g.getValue(0, 0)); + assert.equal(1, g.getValue(0, 1)); + assert.equal(7, g.getValue(0, 2)); + assert.equal(3, g.getValue(3, 0)); + assert.equal(4, g.getValue(3, 1)); + assert.equal(0, g.getValue(3, 2)); + assert.deepEqual(['X', 'A', 'B'], g.getLabels()); + }); + + it('should parse tables with annotations', function() { + // Data from https://developers.google.com/chart/interactive/docs/gallery/annotatedtimeline + var data = new FakeDataTable({ + cols: [ + {label: "Date", type: "date" }, + {label: "Sold Pencils", type: "number" }, + {label: "title1", type: "string" }, + {label: "text1", type: "string" }, + {label: "Sold Pens", type: "number" }, + {label: "title2", type: "string" }, + {label: "text2", type: "string" } + ], + rows: [ + {c: [{v: new Date(2008, 1, 1)}, {v: 30000}, {v: null}, {v: null}, + {v: 40645}, {v: null}, {v: null}]}, + {c: [{v: new Date(2008, 1, 2)}, {v: 14045}, {v: null}, {v: null}, + {v: 20374}, {v: null}, {v: null}]}, + {c: [{v: new Date(2008, 1, 3)}, {v: 55022}, {v: null}, {v: null}, + {v: 50766}, {v: null}, {v: null}]}, + {c: [{v: new Date(2008, 1, 4)}, {v: 75284}, {v: null}, {v: null}, + {v: 14334}, {v: "Out of Stock"}, {v: "Ran out of stock"}]}, + {c: [{v: new Date(2008, 1, 5)}, {v: 41476}, {v: "Bought Pens"}, + {v: "Bought 200k pens" }, {v: 66467}, {v: null}, {v: null}]}, + {c: [{v: new Date(2008, 1, 6)}, {v: 33322}, {v: null}, {v: null}, + {v: 39463}, {v: null}, {v: null}]} + ] + }); + + var g = new Dygraph('graph', data, {displayAnnotations: true}); + + var annEls = document.getElementsByClassName('dygraphDefaultAnnotation'); + assert.equal(2, annEls.length); + + var annotations = g.annotations(); + assert.equal(2, annotations.length); + var a0 = annotations[0]; + assert.deepEqual({ + text: 'Out of Stock\nRan out of stock', + series: 'Sold Pens', + xval: new Date(2008, 1, 4).getTime(), + shortText: 'A' + }, annotations[0]); + }); + + it('should parse tables with dates', function() { + // This mirrors http://dygraphs.com/tests/gviz.html + var data = new FakeDataTable({ + cols: [{id:"",label:"Date",type:"datetime"}, + {id:"",label:"Column A",type:"number"}, + {id:"",label:"Column B",type:"number"}], + rows: [{c:[{v:new Date(2009, 6, 1)},{v:1},{v:7}]}, + {c:[{v:new Date(2009, 6, 8)},{v:2},{v:4}]}, + {c:[{v:new Date(2009, 6, 15)},{v:3},{v:3}]}, + {c:[{v:new Date(2009, 6, 22)},{v:4},{v:0}]}] + }); + + var g = new Dygraph('graph', data); + assert.equal(4, g.numRows()); + assert.equal(3, g.numColumns()); + assert.equal(new Date(2009, 6, 1).getTime(), g.getValue(0, 0)); + assert.equal(1, g.getValue(0, 1)); + assert.equal(7, g.getValue(0, 2)); + assert.deepEqual(['Date', 'Column A', 'Column B'], g.getLabels()); + }); + + // it('should parse tables with error bars', function() { + // }); + + it('should implement the gviz API', function() { + var g = new Dygraph.GVizChart(document.getElementById('graph')); + g.draw(numericData); + + g.setSelection([{row: 0}]); + assert.equal('0: A: 1 B: 7', Util.getLegend()); + assert.deepEqual([{row: 0, column: 1}, {row: 0, column: 2}], g.getSelection()); + g.setSelection([]); + assert.deepEqual([], g.getSelection()); + }); +}); diff --git a/src/dygraph.js b/src/dygraph.js index 735ddca..df6baf9 100644 --- a/src/dygraph.js +++ b/src/dygraph.js @@ -3247,9 +3247,9 @@ Dygraph.prototype.parseDataTable_ = function(data) { this.attrs_.axes.x.ticker = Dygraph.numericTicks; this.attrs_.axes.x.axisLabelFormatter = this.attrs_.axes.x.valueFormatter; } else { - console.error("only 'date', 'datetime' and 'number' types are supported " + - "for column 1 of DataTable input (Got '" + indepType + "')"); - return null; + throw new Error( + "only 'date', 'datetime' and 'number' types are supported " + + "for column 1 of DataTable input (Got '" + indepType + "')"); } // Array of the column indices which contain data (and not annotations). @@ -3271,8 +3271,9 @@ Dygraph.prototype.parseDataTable_ = function(data) { } hasAnnotations = true; } else { - console.error("Only 'number' is supported as a dependent type with Gviz." + - " 'string' is only supported if displayAnnotations is true"); + throw new Error( + "Only 'number' is supported as a dependent type with Gviz." + + " 'string' is only supported if displayAnnotations is true"); } }