package chart import ( "testing" "github.com/blend/go-sdk/assert" "github.com/golang/freetype/truetype" "github.com/wcharczuk/go-chart/drawing" ) func TestStyleIsZero(t *testing.T) { assert := assert.New(t) zero := Style{} assert.True(zero.IsZero()) strokeColor := Style{StrokeColor: drawing.ColorWhite} assert.False(strokeColor.IsZero()) fillColor := Style{FillColor: drawing.ColorWhite} assert.False(fillColor.IsZero()) strokeWidth := Style{StrokeWidth: 5.0} assert.False(strokeWidth.IsZero()) fontSize := Style{FontSize: 12.0} assert.False(fontSize.IsZero()) fontColor := Style{FontColor: drawing.ColorWhite} assert.False(fontColor.IsZero()) font := Style{Font: &truetype.Font{}} assert.False(font.IsZero()) } func TestStyleGetStrokeColor(t *testing.T) { assert := assert.New(t) unset := Style{} assert.Equal(drawing.ColorTransparent, unset.GetStrokeColor()) assert.Equal(drawing.ColorWhite, unset.GetStrokeColor(drawing.ColorWhite)) set := Style{StrokeColor: drawing.ColorWhite} assert.Equal(drawing.ColorWhite, set.GetStrokeColor()) assert.Equal(drawing.ColorWhite, set.GetStrokeColor(drawing.ColorBlack)) } func TestStyleGetFillColor(t *testing.T) { assert := assert.New(t) unset := Style{} assert.Equal(drawing.ColorTransparent, unset.GetFillColor()) assert.Equal(drawing.ColorWhite, unset.GetFillColor(drawing.ColorWhite)) set := Style{FillColor: drawing.ColorWhite} assert.Equal(drawing.ColorWhite, set.GetFillColor()) assert.Equal(drawing.ColorWhite, set.GetFillColor(drawing.ColorBlack)) } func TestStyleGetStrokeWidth(t *testing.T) { assert := assert.New(t) unset := Style{} assert.Equal(DefaultStrokeWidth, unset.GetStrokeWidth()) assert.Equal(DefaultStrokeWidth+1, unset.GetStrokeWidth(DefaultStrokeWidth+1)) set := Style{StrokeWidth: DefaultStrokeWidth + 2} assert.Equal(DefaultStrokeWidth+2, set.GetStrokeWidth()) assert.Equal(DefaultStrokeWidth+2, set.GetStrokeWidth(DefaultStrokeWidth+1)) } func TestStyleGetFontSize(t *testing.T) { assert := assert.New(t) unset := Style{} assert.Equal(DefaultFontSize, unset.GetFontSize()) assert.Equal(DefaultFontSize+1, unset.GetFontSize(DefaultFontSize+1)) set := Style{FontSize: DefaultFontSize + 2} assert.Equal(DefaultFontSize+2, set.GetFontSize()) assert.Equal(DefaultFontSize+2, set.GetFontSize(DefaultFontSize+1)) } func TestStyleGetFontColor(t *testing.T) { assert := assert.New(t) unset := Style{} assert.Equal(drawing.ColorTransparent, unset.GetFontColor()) assert.Equal(drawing.ColorWhite, unset.GetFontColor(drawing.ColorWhite)) set := Style{FontColor: drawing.ColorWhite} assert.Equal(drawing.ColorWhite, set.GetFontColor()) assert.Equal(drawing.ColorWhite, set.GetFontColor(drawing.ColorBlack)) } func TestStyleGetFont(t *testing.T) { assert := assert.New(t) f, err := GetDefaultFont() assert.Nil(err) unset := Style{} assert.Nil(unset.GetFont()) assert.Equal(f, unset.GetFont(f)) set := Style{Font: f} assert.NotNil(set.GetFont()) } func TestStyleGetPadding(t *testing.T) { assert := assert.New(t) unset := Style{} assert.True(unset.GetPadding().IsZero()) assert.False(unset.GetPadding(DefaultBackgroundPadding).IsZero()) assert.Equal(DefaultBackgroundPadding, unset.GetPadding(DefaultBackgroundPadding)) set := Style{Padding: DefaultBackgroundPadding} assert.False(set.GetPadding().IsZero()) assert.Equal(DefaultBackgroundPadding, set.GetPadding()) assert.Equal(DefaultBackgroundPadding, set.GetPadding(Box{ Top: DefaultBackgroundPadding.Top + 1, Left: DefaultBackgroundPadding.Left + 1, Right: DefaultBackgroundPadding.Right + 1, Bottom: DefaultBackgroundPadding.Bottom + 1, })) } func TestStyleWithDefaultsFrom(t *testing.T) { assert := assert.New(t) f, err := GetDefaultFont() assert.Nil(err) unset := Style{} set := Style{ StrokeColor: drawing.ColorWhite, StrokeWidth: 5.0, FillColor: drawing.ColorWhite, FontColor: drawing.ColorWhite, Font: f, Padding: DefaultBackgroundPadding, } coalesced := unset.InheritFrom(set) assert.Equal(set, coalesced) } func TestStyleGetStrokeOptions(t *testing.T) { assert := assert.New(t) set := Style{ StrokeColor: drawing.ColorWhite, StrokeWidth: 5.0, FillColor: drawing.ColorWhite, FontColor: drawing.ColorWhite, Padding: DefaultBackgroundPadding, } svgStroke := set.GetStrokeOptions() assert.False(svgStroke.StrokeColor.IsZero()) assert.NotZero(svgStroke.StrokeWidth) assert.True(svgStroke.FillColor.IsZero()) assert.True(svgStroke.FontColor.IsZero()) } func TestStyleGetFillOptions(t *testing.T) { assert := assert.New(t) set := Style{ StrokeColor: drawing.ColorWhite, StrokeWidth: 5.0, FillColor: drawing.ColorWhite, FontColor: drawing.ColorWhite, Padding: DefaultBackgroundPadding, } svgFill := set.GetFillOptions() assert.False(svgFill.FillColor.IsZero()) assert.Zero(svgFill.StrokeWidth) assert.True(svgFill.StrokeColor.IsZero()) assert.True(svgFill.FontColor.IsZero()) } func TestStyleGetFillAndStrokeOptions(t *testing.T) { assert := assert.New(t) set := Style{ StrokeColor: drawing.ColorWhite, StrokeWidth: 5.0, FillColor: drawing.ColorWhite, FontColor: drawing.ColorWhite, Padding: DefaultBackgroundPadding, } svgFillAndStroke := set.GetFillAndStrokeOptions() assert.False(svgFillAndStroke.FillColor.IsZero()) assert.NotZero(svgFillAndStroke.StrokeWidth) assert.False(svgFillAndStroke.StrokeColor.IsZero()) assert.True(svgFillAndStroke.FontColor.IsZero()) } func TestStyleGetTextOptions(t *testing.T) { assert := assert.New(t) set := Style{ StrokeColor: drawing.ColorWhite, StrokeWidth: 5.0, FillColor: drawing.ColorWhite, FontColor: drawing.ColorWhite, Padding: DefaultBackgroundPadding, } svgStroke := set.GetTextOptions() assert.True(svgStroke.StrokeColor.IsZero()) assert.Zero(svgStroke.StrokeWidth) assert.True(svgStroke.FillColor.IsZero()) assert.False(svgStroke.FontColor.IsZero()) }