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]
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