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nginx-sso/vendor/github.com/boombuler/barcode/datamatrix/datamatrix_test.go

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package datamatrix
import (
"bytes"
"testing"
)
func codeFromStr(str string, size *dmCodeSize) *datamatrixCode {
code := newDataMatrixCode(size)
idx := 0
for _, r := range str {
x := idx % size.Columns
y := idx / size.Columns
switch r {
case '#':
code.set(x, y, true)
case '.':
code.set(x, y, false)
default:
continue
}
idx++
}
return code
}
func Test_Issue12(t *testing.T) {
data := `{"po":12,"batchAction":"start_end"}`
realData := addPadding(encodeText(data), 36)
wantedData := []byte{124, 35, 113, 112, 35, 59, 142, 45, 35, 99, 98, 117, 100, 105, 66, 100, 117, 106, 112, 111, 35, 59, 35, 116, 117, 98, 115, 117, 96, 102, 111, 101, 35, 126, 129, 181}
if bytes.Compare(realData, wantedData) != 0 {
t.Error("Data Encoding failed")
return
}
var codeSize *dmCodeSize
for _, s := range codeSizes {
if s.DataCodewords() >= len(wantedData) {
codeSize = s
break
}
}
realECC := ec.calcECC(realData, codeSize)[len(realData):]
wantedECC := []byte{196, 53, 147, 192, 151, 213, 107, 61, 98, 251, 50, 71, 186, 15, 43, 111, 165, 243, 209, 79, 128, 109, 251, 4}
if bytes.Compare(realECC, wantedECC) != 0 {
t.Errorf("Error correction calculation failed\nGot: %v", realECC)
return
}
barcode := `
#.#.#.#.#.#.#.#.#.#.#.#.
#....###..#..#....#...##
##.......#...#.#.#....#.
#.###...##..#...##.##..#
##...####..##..#.#.#.##.
#.###.##.###..#######.##
#..###...##.##..#.##.##.
#.#.#.#.#.#.###....#.#.#
##.#...#.#.#..#...#####.
#...####..#...##..#.#..#
##...#...##.###.#.....#.
#.###.#.##.#.....###..##
##..#####...#..##...###.
###...#.####.##.#.#.#..#
#..###..#.#.####.#.###..
###.#.#..#..#.###.#.##.#
#####.##.###..#.####.#..
#.##.#......#.#..#.#.###
###.#....######.#...##..
##...#..##.###..#...####
#.######.###.##..#...##.
#..#..#.##.#..####...#.#
###.###..#..##.#.##...#.
########################`
bc, err := Encode(data)
if err != nil {
t.Error(err)
return
}
realResult := bc.(*datamatrixCode)
if realResult.Columns != 24 || realResult.Rows != 24 {
t.Errorf("Got wrong barcode size %dx%d", realResult.Columns, realResult.Rows)
return
}
wantedResult := codeFromStr(barcode, realResult.dmCodeSize)
for x := 0; x < wantedResult.Columns; x++ {
for y := 0; y < wantedResult.Rows; y++ {
r := realResult.get(x, y)
w := wantedResult.get(x, y)
if w != r {
t.Errorf("Failed at: c%d/r%d", x, y)
}
}
}
}