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test: add series and legend test

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This commit is contained in:
vicanso 2021-12-21 23:43:36 +08:00
parent acc758cb9a
commit a128a2513c
7 changed files with 398 additions and 77 deletions
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54
base_series.go
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@ -51,55 +51,55 @@ type BaseSeries struct {
}
// GetName returns the name of the time series.
func (cs BaseSeries) GetName() string {
return cs.Name
func (bs BaseSeries) GetName() string {
return bs.Name
}
// GetStyle returns the line style.
func (cs BaseSeries) GetStyle() chart.Style {
return cs.Style
func (bs BaseSeries) GetStyle() chart.Style {
return bs.Style
}
// Len returns the number of elements in the series.
func (cs BaseSeries) Len() int {
func (bs BaseSeries) Len() int {
offset := 0
if cs.TickPosition == chart.TickPositionBetweenTicks {
if bs.TickPosition == chart.TickPositionBetweenTicks {
offset = -1
}
return len(cs.XValues) + offset
return len(bs.XValues) + offset
}
// GetValues gets the x,y values at a given index.
func (cs BaseSeries) GetValues(index int) (float64, float64) {
if cs.TickPosition == chart.TickPositionBetweenTicks {
func (bs BaseSeries) GetValues(index int) (float64, float64) {
if bs.TickPosition == chart.TickPositionBetweenTicks {
index++
}
return cs.XValues[index], cs.YValues[index]
return bs.XValues[index], bs.YValues[index]
}
// GetFirstValues gets the first x,y values.
func (cs BaseSeries) GetFirstValues() (float64, float64) {
func (bs BaseSeries) GetFirstValues() (float64, float64) {
index := 0
if cs.TickPosition == chart.TickPositionBetweenTicks {
if bs.TickPosition == chart.TickPositionBetweenTicks {
index++
}
return cs.XValues[index], cs.YValues[index]
return bs.XValues[index], bs.YValues[index]
}
// GetLastValues gets the last x,y values.
func (cs BaseSeries) GetLastValues() (float64, float64) {
return cs.XValues[len(cs.XValues)-1], cs.YValues[len(cs.YValues)-1]
func (bs BaseSeries) GetLastValues() (float64, float64) {
return bs.XValues[len(bs.XValues)-1], bs.YValues[len(bs.YValues)-1]
}
// GetValueFormatters returns value formatter defaults for the series.
func (cs BaseSeries) GetValueFormatters() (x, y chart.ValueFormatter) {
if cs.XValueFormatter != nil {
x = cs.XValueFormatter
func (bs BaseSeries) GetValueFormatters() (x, y chart.ValueFormatter) {
if bs.XValueFormatter != nil {
x = bs.XValueFormatter
} else {
x = chart.FloatValueFormatter
}
if cs.YValueFormatter != nil {
y = cs.YValueFormatter
if bs.YValueFormatter != nil {
y = bs.YValueFormatter
} else {
y = chart.FloatValueFormatter
}
@ -107,26 +107,26 @@ func (cs BaseSeries) GetValueFormatters() (x, y chart.ValueFormatter) {
}
// GetYAxis returns which YAxis the series draws on.
func (cs BaseSeries) GetYAxis() chart.YAxisType {
return cs.YAxis
func (bs BaseSeries) GetYAxis() chart.YAxisType {
return bs.YAxis
}
// Render renders the series.
func (cs BaseSeries) Render(r chart.Renderer, canvasBox chart.Box, xrange, yrange chart.Range, defaults chart.Style) {
func (bs BaseSeries) Render(r chart.Renderer, canvasBox chart.Box, xrange, yrange chart.Range, defaults chart.Style) {
fmt.Println("should be override the function")
}
// Validate validates the series.
func (cs BaseSeries) Validate() error {
if len(cs.XValues) == 0 {
func (bs BaseSeries) Validate() error {
if len(bs.XValues) == 0 {
return fmt.Errorf("continuous series; must have xvalues set")
}
if len(cs.YValues) == 0 {
if len(bs.YValues) == 0 {
return fmt.Errorf("continuous series; must have yvalues set")
}
if len(cs.XValues) != len(cs.YValues) {
if len(bs.XValues) != len(bs.YValues) {
return fmt.Errorf("continuous series; must have same length xvalues as yvalues")
}
return nil