morris.js/spec/lib/line_spec.coffee

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2.3 KiB
CoffeeScript

describe 'Morris.Line', ->
it 'should raise an error when the placeholder element is not found', ->
my_data = [{x: 1, y: 1}, {x: 2, y: 2}]
fn = ->
Morris.Line(
element: "thisplacedoesnotexist"
data: my_data
xkey: 'x'
ykeys: ['y']
labels: ['dontcare']
)
fn.should.throw(/Graph container element not found/)
it 'should make point styles customizable', ->
my_data = [{x: 1, y: 1}, {x: 2, y: 2}]
red = '#ff0000'
blue = '#0000ff'
chart = Morris.Line
element: 'graph'
data: my_data
xkey: 'x'
ykeys: ['y']
labels: ['dontcare']
pointStrokeColors: [red, blue]
pointWidths: [1, 2]
pointFillColors: [null, red]
chart.strokeWidthForSeries(0).should.equal 1
chart.strokeForSeries(0).should.equal red
chart.strokeWidthForSeries(1).should.equal 2
chart.strokeForSeries(1).should.equal blue
(null == chart.pointFillColorForSeries(0)).should.be
(chart.pointFillColorForSeries(0) || chart.colorForSeries(0)).should.equal chart.colorForSeries(0)
chart.pointFillColorForSeries(1).should.equal red
describe 'generating column labels', ->
it 'should use user-supplied x value strings by default', ->
chart = Morris.Line
element: 'graph'
data: [{x: '2012 Q1', y: 1}, {x: '2012 Q2', y: 1}]
xkey: 'x'
ykeys: ['y']
labels: ['dontcare']
chart.data.map((x) -> x.label).should == ['2012 Q1', '2012 Q2']
it 'should use a default format for timestamp x-values', ->
d1 = new Date(2012, 0, 1)
d2 = new Date(2012, 0, 2)
chart = Morris.Line
element: 'graph'
data: [{x: d1.getTime(), y: 1}, {x: d2.getTime(), y: 1}]
xkey: 'x'
ykeys: ['y']
labels: ['dontcare']
chart.data.map((x) -> x.label).should == [d2.toString(), d1.toString()]
it 'should use user-defined formatters', ->
d = new Date(2012, 0, 1)
chart = Morris.Line
element: 'graph'
data: [{x: d.getTime(), y: 1}, {x: '2012-01-02', y: 1}]
xkey: 'x'
ykeys: ['y']
labels: ['dontcare']
dateFormat: (d) ->
x = new Date(d)
"#{x.getYear()}/#{x.getMonth()+1}/#{x.getDay()}"
chart.data.map((x) -> x.label).should == ['2012/1/1', '2012/1/2']