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package excelize
import (
"bytes"
"encoding/xml"
"testing"
)
func TestChartSize(t *testing.T) {
var buffer bytes.Buffer
categories := map[string]string{"A2": "Small", "A3": "Normal", "A4": "Large", "B1": "Apple", "C1": "Orange", "D1": "Pear"}
values := map[string]int{"B2": 2, "C2": 3, "D2": 3, "B3": 5, "C3": 2, "D3": 4, "B4": 6, "C4": 7, "D4": 8}
xlsx := NewFile()
for k, v := range categories {
xlsx.SetCellValue("Sheet1", k, v)
}
for k, v := range values {
xlsx.SetCellValue("Sheet1", k, v)
}
xlsx.AddChart("Sheet1", "E4", `{"type":"col3DClustered","series":[{"name":"Sheet1!$A$2","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$2:$D$2"},{"name":"Sheet1!$A$3","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$3:$D$3"},{"name":"Sheet1!$A$4","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$4:$D$4"}],"title":{"name":"Fruit 3D Clustered Column Chart"}}`, ChartWidth(640), ChartHeight(480))
// Save xlsx file by the given path.
err := xlsx.Write(&buffer)
if err != nil {
t.Fatal(err)
}
newFile, err := OpenReader(&buffer)
if err != nil {
t.Fatal(err)
}
chartsNum := newFile.countCharts()
if chartsNum != 1 {
t.Fatalf("Expected 1 chart, actual %d", chartsNum)
}
var (
workdir decodeWsDr
anchor decodeTwoCellAnchor
)
content, ok := newFile.XLSX["xl/drawings/drawing1.xml"]
if !ok {
t.Fatal("Can't open the chart")
}
err = xml.Unmarshal([]byte(content), &workdir)
if err != nil {
t.Fatal(err)
}
err = xml.Unmarshal([]byte("<decodeTwoCellAnchor>"+workdir.TwoCellAnchor[0].Content+"</decodeTwoCellAnchor>"), &anchor)
if err != nil {
t.Fatal(err)
}
if anchor.From.Col != 4 || anchor.From.Row != 3 {
t.Fatalf("From: Expected column 4, row 3, actual column %d, row %d", anchor.From.Col, anchor.From.Row)
}
if anchor.To.Col != 14 || anchor.To.Row != 27 {
t.Fatalf("To: Expected column 14, row 27, actual column %d, row %d", anchor.To.Col, anchor.To.Row)
}
}
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