test: add test for line chart

This commit is contained in:
vicanso 2022-02-12 15:04:32 +08:00
parent da5e950565
commit cae55c3163
2 changed files with 135 additions and 2 deletions

View file

@ -23,6 +23,7 @@
package charts
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
@ -43,6 +44,8 @@ func TestBarChartRender(t *testing.T) {
result := basicRenderResult{
xRange: &Range{
Min: 0,
Max: 4,
divideCount: 4,
Size: width,
Boundary: true,
@ -59,7 +62,7 @@ func TestBarChartRender(t *testing.T) {
}
f, _ := chart.GetDefaultFont()
barChartRender(barChartOption{
markPointOptions, err := barChartRender(barChartOption{
Font: f,
SeriesList: SeriesList{
{
@ -67,6 +70,9 @@ func TestBarChartRender(t *testing.T) {
Show: true,
Color: drawing.ColorBlue,
},
MarkLine: NewMarkLine(
SeriesMarkDataTypeMin,
),
Data: []SeriesData{
{
Value: 20,
@ -89,8 +95,39 @@ func TestBarChartRender(t *testing.T) {
}),
},
}, &result)
assert.Nil(err)
assert.Equal(2, len(markPointOptions))
assert.Equal([]Point{
{
X: 28,
Y: 240,
},
{
X: 128,
Y: 120,
},
{
X: 228,
Y: 30,
},
}, markPointOptions[0].Points)
assert.Equal([]Point{
{
X: 70,
Y: 60,
},
{
X: 170,
Y: 210,
},
{
X: 270,
Y: 90,
},
}, markPointOptions[1].Points)
data, err := d.Bytes()
assert.Nil(err)
assert.Equal("<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"400\" height=\"300\">\\n<path d=\"M 50 240\nL 87 240\nL 87 299\nL 50 299\nL 50 240\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(84,112,198,1.0)\"/><text x=\"61\" y=\"235\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,255,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">20</text><path d=\"M 150 120\nL 187 120\nL 187 299\nL 150 299\nL 150 120\" style=\"stroke-width:1;stroke:rgba(255,0,0,1.0);fill:rgba(255,0,0,1.0)\"/><text x=\"161\" y=\"115\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,255,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">60</text><path d=\"M 250 30\nL 287 30\nL 287 299\nL 250 299\nL 250 30\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(84,112,198,1.0)\"/><text x=\"261\" y=\"25\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,255,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">90</text><path d=\"M 92 60\nL 129 60\nL 129 299\nL 92 299\nL 92 60\" style=\"stroke-width:1;stroke:rgba(145,204,117,1.0);fill:rgba(145,204,117,1.0)\"/><path d=\"M 192 210\nL 229 210\nL 229 299\nL 192 299\nL 192 210\" style=\"stroke-width:1;stroke:rgba(145,204,117,1.0);fill:rgba(145,204,117,1.0)\"/><path d=\"M 292 90\nL 329 90\nL 329 299\nL 292 299\nL 292 90\" style=\"stroke-width:1;stroke:rgba(145,204,117,1.0);fill:rgba(145,204,117,1.0)\"/></svg>", string(data))
fmt.Println(string(data))
assert.Equal("<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"400\" height=\"300\">\\n<circle cx=\"40\" cy=\"240\" r=\"3\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(84,112,198,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(84,112,198,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"M 45 240\nL 382 240\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(84,112,198,1.0)\"/><path d=\"M 382 235\nL 398 240\nL 382 245\nL 387 240\nL 382 235\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(84,112,198,1.0)\"/><text x=\"400\" y=\"244\" style=\"stroke-width:0;stroke:none;fill:rgba(70,70,70,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">20</text><path d=\"M 50 240\nL 87 240\nL 87 299\nL 50 299\nL 50 240\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(84,112,198,1.0)\"/><text x=\"61\" y=\"235\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,255,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">20</text><path d=\"M 150 120\nL 187 120\nL 187 299\nL 150 299\nL 150 120\" style=\"stroke-width:1;stroke:rgba(255,0,0,1.0);fill:rgba(255,0,0,1.0)\"/><text x=\"161\" y=\"115\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,255,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">60</text><path d=\"M 250 30\nL 287 30\nL 287 299\nL 250 299\nL 250 30\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(84,112,198,1.0)\"/><text x=\"261\" y=\"25\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,255,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">90</text><path d=\"M 92 60\nL 129 60\nL 129 299\nL 92 299\nL 92 60\" style=\"stroke-width:1;stroke:rgba(145,204,117,1.0);fill:rgba(145,204,117,1.0)\"/><path d=\"M 192 210\nL 229 210\nL 229 299\nL 192 299\nL 192 210\" style=\"stroke-width:1;stroke:rgba(145,204,117,1.0);fill:rgba(145,204,117,1.0)\"/><path d=\"M 292 90\nL 329 90\nL 329 299\nL 292 299\nL 292 90\" style=\"stroke-width:1;stroke:rgba(145,204,117,1.0);fill:rgba(145,204,117,1.0)\"/></svg>", string(data))
}

96
line_chart_test.go Normal file
View file

@ -0,0 +1,96 @@
// MIT License
// Copyright (c) 2022 Tree Xie
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package charts
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/wcharczuk/go-chart/v2"
"github.com/wcharczuk/go-chart/v2/drawing"
)
func TestLineChartRender(t *testing.T) {
assert := assert.New(t)
width := 400
height := 300
d, err := NewDraw(DrawOption{
Width: width,
Height: height,
})
assert.Nil(err)
result := basicRenderResult{
xRange: &Range{
Min: 0,
Max: 4,
divideCount: 4,
Size: width,
Boundary: true,
},
yRangeList: []*Range{
{
divideCount: 6,
Max: 100,
Min: 0,
Size: height,
},
},
d: d,
}
f, _ := chart.GetDefaultFont()
lineChartRender(lineChartOption{
Font: f,
SeriesList: SeriesList{
{
Label: SeriesLabel{
Show: true,
Color: drawing.ColorBlue,
},
MarkLine: NewMarkLine(
SeriesMarkDataTypeAverage,
),
Data: []SeriesData{
{
Value: 20,
},
{
Value: 60,
},
{
Value: 90,
},
},
},
NewSeriesFromValues([]float64{
40,
60,
70,
}),
},
}, &result)
data, err := d.Bytes()
assert.Nil(err)
assert.Equal("<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"400\" height=\"300\">\\n<circle cx=\"40\" cy=\"130\" r=\"3\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(84,112,198,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(84,112,198,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"M 45 130\nL 382 130\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(84,112,198,1.0)\"/><path d=\"M 382 125\nL 398 130\nL 382 135\nL 387 130\nL 382 125\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(84,112,198,1.0)\"/><text x=\"400\" y=\"134\" style=\"stroke-width:0;stroke:none;fill:rgba(70,70,70,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">56.66</text><text x=\"83\" y=\"235\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,255,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">20</text><text x=\"183\" y=\"115\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,255,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">60</text><text x=\"283\" y=\"25\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,255,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">90</text><path d=\"M 90 240\nL 190 120\nL 290 30\" style=\"stroke-width:2;stroke:rgba(84,112,198,1.0);fill:none\"/><circle cx=\"90\" cy=\"240\" r=\"2\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(255,255,255,1.0)\"/><path d=\"\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(255,255,255,1.0)\"/><circle cx=\"190\" cy=\"120\" r=\"2\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(255,255,255,1.0)\"/><path d=\"\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(255,255,255,1.0)\"/><circle cx=\"290\" cy=\"30\" r=\"2\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(255,255,255,1.0)\"/><path d=\"\" style=\"stroke-width:1;stroke:rgba(84,112,198,1.0);fill:rgba(255,255,255,1.0)\"/><path d=\"M 90 180\nL 190 120\nL 290 90\" style=\"stroke-width:2;stroke:rgba(145,204,117,1.0);fill:none\"/><circle cx=\"90\" cy=\"180\" r=\"2\" style=\"stroke-width:1;stroke:rgba(145,204,117,1.0);fill:rgba(255,255,255,1.0)\"/><path d=\"\" style=\"stroke-width:1;stroke:rgba(145,204,117,1.0);fill:rgba(255,255,255,1.0)\"/><circle cx=\"190\" cy=\"120\" r=\"2\" style=\"stroke-width:1;stroke:rgba(145,204,117,1.0);fill:rgba(255,255,255,1.0)\"/><path d=\"\" style=\"stroke-width:1;stroke:rgba(145,204,117,1.0);fill:rgba(255,255,255,1.0)\"/><circle cx=\"290\" cy=\"90\" r=\"2\" style=\"stroke-width:1;stroke:rgba(145,204,117,1.0);fill:rgba(255,255,255,1.0)\"/><path d=\"\" style=\"stroke-width:1;stroke:rgba(145,204,117,1.0);fill:rgba(255,255,255,1.0)\"/></svg>", string(data))
}