96 lines
2.1 KiB
Go
96 lines
2.1 KiB
Go
package zplgfa
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import (
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"encoding/base64"
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"encoding/json"
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"image"
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_ "image/gif"
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_ "image/jpeg"
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_ "image/png"
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"io/ioutil"
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"log"
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"os"
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"strings"
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"testing"
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)
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type zplTest struct {
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Filename string `json:"filename"`
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Zplstring string `json:"zplstring"`
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Graphictype string `json:"graphictype"`
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}
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var zplTests []zplTest
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func init() {
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jsonstr, _ := ioutil.ReadFile("./tests/tests.json")
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json.Unmarshal(jsonstr, &zplTests)
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}
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func Test_CompressASCII(t *testing.T) {
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if str := CompressASCII("FFFFFFFF000000"); str != "NFL0" {
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t.Fatalf("CompressASCII failed")
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}
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}
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func Test_ConvertToZPL(t *testing.T) {
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var graphicType GraphicType
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for i, testcase := range zplTests {
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filename, zplstring, graphictype := testcase.Filename, testcase.Zplstring, testcase.Graphictype
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// open file
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file, err := os.Open(filename)
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if err != nil {
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log.Printf("Warning: could not open the file \"%s\": %s\n", filename, err)
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return
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}
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defer file.Close()
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// load image head information
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config, format, err := image.DecodeConfig(file)
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if err != nil {
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log.Printf("Warning: image not compatible, format: %s, config: %v, error: %s\n", format, config, err)
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}
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// reset file pointer to the beginning of the file
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file.Seek(0, 0)
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// load and decode image
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img, _, err := image.Decode(file)
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if err != nil {
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log.Printf("Warning: could not decode the file, %s\n", err)
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return
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}
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// flatten image
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flat := FlattenImage(img)
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// convert image to zpl compatible type
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switch graphictype {
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case "ASCII":
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graphicType = ASCII
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case "Binary":
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graphicType = Binary
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case "CompressedASCII":
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graphicType = CompressedASCII
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default:
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graphicType = CompressedASCII
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}
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gfimg := ConvertToZPL(flat, graphicType)
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if graphictype == "Binary" {
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gfimg = base64.StdEncoding.EncodeToString([]byte(gfimg))
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} else {
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// remove whitespace - only for the test
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gfimg = strings.Replace(gfimg, " ", "", -1)
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gfimg = strings.Replace(gfimg, "\n", "", -1)
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}
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if gfimg != zplstring {
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log.Printf("ConvertToZPL Test for file \"%s\" failed, wanted: \n%s\ngot: \n%s\n", filename, zplstring, gfimg)
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t.Fatalf("Testcase %d ConvertToZPL failed", i)
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}
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}
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}
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