Initial commit

app/static/global/plugins/morris/spec/lib/grid/auto_grid_lines_spec.coffee

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+describe 'Morris.Grid#autoGridLines', ->
+
+  beforeEach ->
+    @subject = Morris.Grid.prototype.autoGridLines
+
+  it 'should draw at fixed intervals', ->
+    @subject(0, 4, 5).should.deep.equal [0, 1, 2, 3, 4]
+    @subject(0, 400, 5).should.deep.equal [0, 100, 200, 300, 400]
+
+  it 'should pick intervals that show significant numbers', ->
+    @subject(102, 499, 5).should.deep.equal [100, 200, 300, 400, 500]
+
+  it 'should draw zero when it falls within [ymin..ymax]', ->
+    @subject(-100, 300, 5).should.deep.equal [-100, 0, 100, 200, 300]
+    @subject(-50, 350, 5).should.deep.equal [-125, 0, 125, 250, 375]
+    @subject(-400, 400, 5).should.deep.equal [-400, -200, 0, 200, 400]
+    @subject(100, 500, 5).should.deep.equal [100, 200, 300, 400, 500]
+    @subject(-500, -100, 5).should.deep.equal [-500, -400, -300, -200, -100]
+
+  it 'should generate decimal labels to 2 significant figures', ->
+    @subject(0, 1, 5).should.deep.equal [0, 0.25, 0.5, 0.75, 1]
+    @subject(0.1, 0.5, 5).should.deep.equal [0.1, 0.2, 0.3, 0.4, 0.5]
+
+  it 'should use integer intervals for intervals larger than 1', ->
+    @subject(0, 9, 5).should.deep.equal [0, 3, 6, 9, 12]

app/static/global/plugins/morris/spec/lib/grid/set_data_spec.coffee

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+describe 'Morris.Grid#setData', ->
+
+  it 'should not alter user-supplied data', ->
+    my_data = [{x: 1, y: 1}, {x: 2, y: 2}]
+    expected_data = [{x: 1, y: 1}, {x: 2, y: 2}]
+    Morris.Line
+      element: 'graph'
+      data: my_data
+      xkey: 'x'
+      ykeys: ['y']
+      labels: ['dontcare']
+    my_data.should.deep.equal expected_data
+
+  describe 'ymin/ymax', ->
+    beforeEach ->
+      @defaults =
+        element: 'graph'
+        xkey: 'x'
+        ykeys: ['y', 'z']
+        labels: ['y', 'z']
+
+    it 'should use a user-specified minimum and maximum value', ->
+      line = Morris.Line $.extend @defaults,
+        data: [{x: 1, y: 1}]
+        ymin: 10
+        ymax: 20
+      line.ymin.should.equal 10
+      line.ymax.should.equal 20
+
+    describe 'auto', ->
+
+      it 'should automatically calculate the minimum and maximum value', ->
+        line = Morris.Line $.extend @defaults,
+          data: [{x: 1, y: 10}, {x: 2, y: 15}, {x: 3, y: null}, {x: 4}]
+          ymin: 'auto'
+          ymax: 'auto'
+        line.ymin.should.equal 10
+        line.ymax.should.equal 15
+
+      it 'should automatically calculate the minimum and maximum value given no y data', ->
+        line = Morris.Line $.extend @defaults,
+          data: [{x: 1}, {x: 2}, {x: 3}, {x: 4}]
+          ymin: 'auto'
+          ymax: 'auto'
+        line.ymin.should.equal 0
+        line.ymax.should.equal 1
+
+    describe 'auto [n]', ->
+
+      it 'should automatically calculate the minimum and maximum value', ->
+        line = Morris.Line $.extend @defaults,
+          data: [{x: 1, y: 10}, {x: 2, y: 15}, {x: 3, y: null}, {x: 4}]
+          ymin: 'auto 11'
+          ymax: 'auto 13'
+        line.ymin.should.equal 10
+        line.ymax.should.equal 15
+
+      it 'should automatically calculate the minimum and maximum value given no data', ->
+        line = Morris.Line $.extend @defaults,
+          data: [{x: 1}, {x: 2}, {x: 3}, {x: 4}]
+          ymin: 'auto 11'
+          ymax: 'auto 13'
+        line.ymin.should.equal 11
+        line.ymax.should.equal 13
+
+      it 'should use a user-specified minimum and maximum value', ->
+        line = Morris.Line $.extend @defaults,
+          data: [{x: 1, y: 10}, {x: 2, y: 15}, {x: 3, y: null}, {x: 4}]
+          ymin: 'auto 5'
+          ymax: 'auto 20'
+        line.ymin.should.equal 5
+        line.ymax.should.equal 20
+
+      it 'should use a user-specified minimum and maximum value given no data', ->
+        line = Morris.Line $.extend @defaults,
+          data: [{x: 1}, {x: 2}, {x: 3}, {x: 4}]
+          ymin: 'auto 5'
+          ymax: 'auto 20'
+        line.ymin.should.equal 5
+        line.ymax.should.equal 20
+
+  describe 'xmin/xmax', ->
+
+    it 'should calculate the horizontal range', ->
+      line = Morris.Line
+        element: 'graph'
+        data: [{x: 2, y: 2}, {x: 1, y: 1}, {x: 4, y: 4}, {x: 3, y: 3}]
+        xkey: 'x'
+        ykeys: ['y']
+        labels: ['y']
+      line.xmin.should == 1
+      line.xmax.should == 4
+
+    it "should pad the range if there's only one data point", ->
+      line = Morris.Line
+        element: 'graph'
+        data: [{x: 2, y: 2}]
+        xkey: 'x'
+        ykeys: ['y']
+        labels: ['y']
+      line.xmin.should == 1
+      line.xmax.should == 3
+
+  describe 'sorting', ->
+
+    it 'should sort data when parseTime is true', ->
+      line = Morris.Line
+        element: 'graph'
+        data: [
+          {x: '2012 Q1', y: 2},
+          {x: '2012 Q3', y: 1},
+          {x: '2012 Q4', y: 4},
+          {x: '2012 Q2', y: 3}]
+        xkey: 'x'
+        ykeys: ['y']
+        labels: ['y']
+      line.data.map((row) -> row.label).should.deep.equal ['2012 Q1', '2012 Q2', '2012 Q3', '2012 Q4']
+
+    it 'should not sort data when parseTime is false', ->
+      line = Morris.Line
+        element: 'graph'
+        data: [{x: 1, y: 2}, {x: 4, y: 1}, {x: 3, y: 4}, {x: 2, y: 3}]
+        xkey: 'x'
+        ykeys: ['y']
+        labels: ['y']
+        parseTime: false
+      line.data.map((row) -> row.label).should.deep.equal [1, 4, 3, 2]
+
+  describe 'timestamp data', ->
+
+    it 'should generate default labels for timestamp x-values', ->
+      d = [
+        new Date 2012, 0, 1
+        new Date 2012, 0, 2
+        new Date 2012, 0, 3
+        new Date 2012, 0, 4
+      ]
+      line = Morris.Line
+        element: 'graph'
+        data: [
+          {x: d[0].getTime(), y: 2},
+          {x: d[1].getTime(), y: 1},
+          {x: d[2].getTime(), y: 4},
+          {x: d[3].getTime(), y: 3}]
+        xkey: 'x'
+        ykeys: ['y']
+        labels: ['y']
+      line.data.map((row) -> row.label).should.deep.equal d.map((t) -> t.toString())
+
+    it 'should use a user-supplied formatter for labels', ->
+      line = Morris.Line
+        element: 'graph'
+        data: [
+          {x: new Date(2012, 0, 1).getTime(), y: 2},
+          {x: new Date(2012, 0, 2).getTime(), y: 1},
+          {x: new Date(2012, 0, 3).getTime(), y: 4},
+          {x: new Date(2012, 0, 4).getTime(), y: 3}]
+        xkey: 'x'
+        ykeys: ['y']
+        labels: ['y']
+        dateFormat: (ts) ->
+          date = new Date(ts)
+          "#{date.getFullYear()}-#{date.getMonth()+1}-#{date.getDate()}"
+      line.data.map((row) -> row.label).should.deep.equal ['2012-1-1', '2012-1-2', '2012-1-3', '2012-1-4']
+
+  it 'should parse y-values in strings', ->
+    line = Morris.Line
+      element: 'graph'
+      data: [{x: 2, y: '12'}, {x: 1, y: '13.5'}, {x: 4, y: '14'}, {x: 3, y: '16'}]
+      xkey: 'x'
+      ykeys: ['y']
+      labels: ['y']
+    line.ymin.should == 12
+    line.ymax.should == 16
+    line.data.map((row) -> row.y).should.deep.equal [[13.5], [12], [16], [14]]
+
+  it 'should clear the chart when empty data is supplied', ->
+    line = Morris.Line
+      element: 'graph',
+      data: [{x: 2, y: '12'}, {x: 1, y: '13.5'}, {x: 4, y: '14'}, {x: 3, y: '16'}]
+      xkey: 'x'
+      ykeys: ['y']
+      labels: ['y']
+    line.data.length.should.equal 4
+    line.setData([])
+    line.data.length.should.equal 0
+    line.setData([{x: 2, y: '12'}, {x: 1, y: '13.5'}, {x: 4, y: '14'}, {x: 3, y: '16'}])
+    line.data.length.should.equal 4
+
+  it 'should be able to add data if the chart is initialised with empty data', ->
+    line = Morris.Line
+      element: 'graph',
+      data: []
+      xkey: 'x'
+      ykeys: ['y']
+      labels: ['y']
+    line.data.length.should.equal 0
+    line.setData([{x: 2, y: '12'}, {x: 1, y: '13.5'}, {x: 4, y: '14'}, {x: 3, y: '16'}])
+    line.data.length.should.equal 4
+
+  it 'should automatically choose significant numbers for y-labels', ->
+    line = Morris.Line
+      element: 'graph',
+      data: [{x: 1, y: 0}, {x: 2, y: 3600}]
+      xkey: 'x'
+      ykeys: ['y']
+      labels: ['y']
+    line.grid.should == [0, 1000, 2000, 3000, 4000]

app/static/global/plugins/morris/spec/lib/grid/y_label_format_spec.coffee

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+describe 'Morris.Grid#yLabelFormat', ->
+
+  it 'should use custom formatter for y labels', ->
+    formatter = (label) ->
+      flabel = parseFloat(label) / 1000
+      "#{flabel.toFixed(1)}k"
+    line = Morris.Line
+      element: 'graph'
+      data: [{x: 1, y: 1500}, {x: 2, y: 2500}]
+      xkey: 'x'
+      ykeys: ['y']
+      labels: ['dontcare']
+      preUnits: "$"
+      yLabelFormat: formatter
+    line.yLabelFormat(1500).should.equal "1.5k"