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// Time scale tests
describe ( 'Time scale tests' , function ( ) {
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it ( 'Should load moment.js as a dependency' , function ( ) {
expect ( window . moment ) . not . toBe ( undefined ) ;
} ) ;
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it ( 'Should register the constructor with the scale service' , function ( ) {
var Constructor = Chart . scaleService . getScaleConstructor ( 'time' ) ;
expect ( Constructor ) . not . toBe ( undefined ) ;
expect ( typeof Constructor ) . toBe ( 'function' ) ;
} ) ;
it ( 'Should have the correct default config' , function ( ) {
var defaultConfig = Chart . scaleService . getScaleDefaults ( 'time' ) ;
expect ( defaultConfig ) . toEqual ( {
display : true ,
gridLines : {
color : "rgba(0, 0, 0, 0.1)" ,
drawOnChartArea : true ,
drawTicks : true ,
lineWidth : 1 ,
offsetGridLines : false ,
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display : true ,
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zeroLineColor : "rgba(0,0,0,0.25)" ,
zeroLineWidth : 1 ,
} ,
position : "bottom" ,
scaleLabel : {
fontColor : '#666' ,
fontFamily : 'Helvetica Neue' ,
fontSize : 12 ,
fontStyle : 'normal' ,
labelString : '' ,
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display : false ,
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} ,
ticks : {
beginAtZero : false ,
fontColor : "#666" ,
fontFamily : "Helvetica Neue" ,
fontSize : 12 ,
fontStyle : "normal" ,
maxRotation : 90 ,
mirror : false ,
padding : 10 ,
reverse : false ,
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display : true ,
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callback : defaultConfig . ticks . callback , // make this nicer, then check explicitly below
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} ,
time : {
format : false ,
unit : false ,
round : false ,
displayFormat : false ,
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displayFormats : {
'millisecond' : 'SSS [ms]' ,
'second' : 'h:mm:ss a' , // 11:20:01 AM
'minute' : 'h:mm:ss a' , // 11:20:01 AM
'hour' : 'MMM D, hA' , // Sept 4, 5PM
'day' : 'll' , // Sep 4 2015
'week' : 'll' , // Week 46, or maybe "[W]WW - YYYY" ?
'month' : 'MMM YYYY' , // Sept 2015
'quarter' : '[Q]Q - YYYY' , // Q3
'year' : 'YYYY' , // 2015
} ,
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}
} ) ;
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// Is this actually a function
expect ( defaultConfig . ticks . callback ) . toEqual ( jasmine . any ( Function ) ) ;
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} ) ;
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it ( 'should build ticks using days' , function ( ) {
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var scaleID = 'myScale' ;
var mockData = {
labels : [ "2015-01-01T20:00:00" , "2015-01-02T21:00:00" , "2015-01-03T22:00:00" , "2015-01-05T23:00:00" , "2015-01-07T03:00" , "2015-01-08T10:00" , "2015-01-10T12:00" ] , // days
} ;
var mockContext = window . createMockContext ( ) ;
var Constructor = Chart . scaleService . getScaleConstructor ( 'time' ) ;
var scale = new Constructor ( {
ctx : mockContext ,
options : Chart . scaleService . getScaleDefaults ( 'time' ) , // use default config for scale
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chart : {
data : mockData
} ,
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id : scaleID
} ) ;
//scale.buildTicks();
scale . update ( 400 , 50 ) ;
// Counts down because the lines are drawn top to bottom
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expect ( scale . ticks ) . toEqual ( [ 'Jan 1, 2015' , 'Jan 3, 2015' , 'Jan 5, 2015' , 'Jan 7, 2015' , 'Jan 9, 2015' , 'Jan 11, 2015' ] ) ;
} ) ;
it ( 'should build ticks using date objects' , function ( ) {
// Helper to build date objects
function newDateFromRef ( days ) {
return moment ( '01/01/2015 12:00' , 'DD/MM/YYYY HH:mm' ) . add ( days , 'd' ) . toDate ( ) ;
}
var scaleID = 'myScale' ;
var mockData = {
labels : [ newDateFromRef ( 0 ) , newDateFromRef ( 1 ) , newDateFromRef ( 2 ) , newDateFromRef ( 4 ) , newDateFromRef ( 6 ) , newDateFromRef ( 7 ) , newDateFromRef ( 9 ) ] , // days
} ;
var mockContext = window . createMockContext ( ) ;
var Constructor = Chart . scaleService . getScaleConstructor ( 'time' ) ;
var scale = new Constructor ( {
ctx : mockContext ,
options : Chart . scaleService . getScaleDefaults ( 'time' ) , // use default config for scale
chart : {
data : mockData
} ,
id : scaleID
} ) ;
scale . update ( 400 , 50 ) ;
// Counts down because the lines are drawn top to bottom
expect ( scale . ticks ) . toEqual ( [ 'Jan 1, 2015' , 'Jan 3, 2015' , 'Jan 5, 2015' , 'Jan 7, 2015' , 'Jan 9, 2015' , 'Jan 11, 2015' , 'Jan 13, 2015' ] ) ;
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} ) ;
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it ( 'should build ticks using the config unit' , function ( ) {
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var scaleID = 'myScale' ;
var mockData = {
labels : [ "2015-01-01T20:00:00" , "2015-01-02T21:00:00" ] , // days
} ;
var mockContext = window . createMockContext ( ) ;
var config = Chart . scaleService . getScaleDefaults ( 'time' ) ;
config . time . unit = 'hour' ;
var Constructor = Chart . scaleService . getScaleConstructor ( 'time' ) ;
var scale = new Constructor ( {
ctx : mockContext ,
options : config , // use default config for scale
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chart : {
data : mockData
} ,
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id : scaleID
} ) ;
//scale.buildTicks();
scale . update ( 400 , 50 ) ;
expect ( scale . ticks ) . toEqual ( [ 'Jan 1, 8PM' , 'Jan 1, 9PM' , 'Jan 1, 10PM' , 'Jan 1, 11PM' , 'Jan 2, 12AM' , 'Jan 2, 1AM' , 'Jan 2, 2AM' , 'Jan 2, 3AM' , 'Jan 2, 4AM' , 'Jan 2, 5AM' , 'Jan 2, 6AM' , 'Jan 2, 7AM' , 'Jan 2, 8AM' , 'Jan 2, 9AM' , 'Jan 2, 10AM' , 'Jan 2, 11AM' , 'Jan 2, 12PM' , 'Jan 2, 1PM' , 'Jan 2, 2PM' , 'Jan 2, 3PM' , 'Jan 2, 4PM' , 'Jan 2, 5PM' , 'Jan 2, 6PM' , 'Jan 2, 7PM' , 'Jan 2, 8PM' , 'Jan 2, 9PM' ] ) ;
} ) ;
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it ( 'should build ticks using the config diff' , function ( ) {
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var scaleID = 'myScale' ;
var mockData = {
labels : [ "2015-01-01T20:00:00" , "2015-02-02T21:00:00" , "2015-02-21T01:00:00" ] , // days
} ;
var mockContext = window . createMockContext ( ) ;
var config = Chart . scaleService . getScaleDefaults ( 'time' ) ;
config . time . unit = 'week' ;
config . time . round = 'week' ;
var Constructor = Chart . scaleService . getScaleConstructor ( 'time' ) ;
var scale = new Constructor ( {
ctx : mockContext ,
options : config , // use default config for scale
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chart : {
data : mockData
} ,
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id : scaleID
} ) ;
//scale.buildTicks();
scale . update ( 400 , 50 ) ;
expect ( scale . ticks ) . toEqual ( [ 'Dec 28, 2014' , 'Jan 4, 2015' , 'Jan 11, 2015' , 'Jan 18, 2015' , 'Jan 25, 2015' , 'Feb 1, 2015' , 'Feb 8, 2015' , 'Feb 15, 2015' ] ) ;
} ) ;
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it ( 'should get the correct pixel for a value' , function ( ) {
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var scaleID = 'myScale' ;
var mockData = {
labels : [ "2015-01-01T20:00:00" , "2015-01-02T21:00:00" , "2015-01-03T22:00:00" , "2015-01-05T23:00:00" , "2015-01-07T03:00" , "2015-01-08T10:00" , "2015-01-10T12:00" ] , // days
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datasets : [ {
data : [ ] ,
} ]
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} ;
var mockContext = window . createMockContext ( ) ;
var Constructor = Chart . scaleService . getScaleConstructor ( 'time' ) ;
var scale = new Constructor ( {
ctx : mockContext ,
options : Chart . scaleService . getScaleDefaults ( 'time' ) , // use default config for scale
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chart : {
data : mockData
} ,
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id : scaleID
} ) ;
//scale.buildTicks();
scale . update ( 400 , 50 ) ;
expect ( scale . width ) . toBe ( 400 ) ;
expect ( scale . height ) . toBe ( 28 ) ;
scale . left = 0 ;
scale . right = 400 ;
scale . top = 10 ;
scale . bottom = 38 ;
expect ( scale . getPixelForValue ( '' , 0 , 0 ) ) . toBe ( 63 ) ;
expect ( scale . getPixelForValue ( '' , 6 , 0 ) ) . toBe ( 342 ) ;
var verticalScaleConfig = Chart . scaleService . getScaleDefaults ( 'time' ) ;
verticalScaleConfig . position = "left" ;
var verticalScale = new Constructor ( {
ctx : mockContext ,
options : verticalScaleConfig ,
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chart : {
data : mockData
} ,
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id : scaleID
} ) ;
verticalScale . update ( 50 , 400 ) ;
expect ( verticalScale . width ) . toBe ( 50 ) ;
expect ( verticalScale . height ) . toBe ( 400 ) ;
verticalScale . top = 0 ;
verticalScale . left = 0 ;
verticalScale . right = 50 ;
verticalScale . bottom = 400 ;
expect ( verticalScale . getPixelForValue ( '' , 0 , 0 ) ) . toBe ( 6 ) ;
expect ( verticalScale . getPixelForValue ( '' , 6 , 0 ) ) . toBe ( 394 ) ;
} ) ;
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} ) ;