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nginx-sso/vendor/github.com/boombuler/barcode/ean/encoder_test.go

46 lines
1.3 KiB
Go

package ean
import (
"image/color"
"testing"
)
func testHelper(t *testing.T, testCode, testResult, kind string, checkMetadata bool) {
code, err := Encode(testCode)
if err != nil {
t.Error(err)
}
if checkMetadata && (code.Metadata().Dimensions != 1 || code.Content() != testCode || code.Metadata().CodeKind != kind) {
t.Error("Metadata missmatch")
}
if len(testResult) != code.Bounds().Max.X {
t.Fail()
}
for i, r := range testResult {
if (code.At(i, 0) == color.Black) != (r == '1') {
t.Fail()
}
}
}
func Test_EncodeEAN(t *testing.T) {
testHelper(t, "5901234123457", "10100010110100111011001100100110111101001110101010110011011011001000010101110010011101000100101", "EAN 13", true)
testHelper(t, "55123457", "1010110001011000100110010010011010101000010101110010011101000100101", "EAN 8", true)
testHelper(t, "5512345", "1010110001011000100110010010011010101000010101110010011101000100101", "EAN 8", false)
_, err := Encode("55123458") //<-- Invalid checksum
if err == nil {
t.Error("Invalid checksum not detected")
}
_, err = Encode("invalid")
if err == nil {
t.Error("\"invalid\" should not be encodable")
}
_, err = Encode("invalid")
if err == nil {
t.Error("\"invalid\" should not be encodable")
}
bits := encodeEAN13("invalid error")
if bits != nil {
t.Error("\"invalid error\" should not be encodable")
}
}