robocar-tools/pkg/data/data_test.go

119 lines
3.2 KiB
Go

package data
import (
"archive/zip"
"encoding/json"
"fmt"
"github.com/cyrilix/robocar-tools/record"
"go.uber.org/zap"
"io/ioutil"
"os"
"path"
"strings"
"testing"
)
func TestBuildArchive(t *testing.T) {
tmpDir, err := ioutil.TempDir("", "buildarchive")
if err != nil {
t.Fatalf("unable to make tmpdir: %v", err)
}
defer func() {
err := os.RemoveAll(tmpDir)
if err != nil {
zap.S().Warnf("unable to remove tempdir %v: %v", tmpDir, err)
}
}()
archive := path.Join(tmpDir, "train.zip")
expectedRecordFiles, expectedImgFiles := expectedFiles()
err = WriteArchive("testdata", archive, 0, 160, 120, 0, false)
if err != nil {
t.Errorf("unable to build archive: %v", err)
}
r, err := zip.OpenReader(archive)
if err != nil {
t.Errorf("unable to read archive, %v", err)
}
defer r.Close()
if len(r.File) != len(expectedImgFiles)+len(expectedRecordFiles) {
t.Errorf("bad number of files in archive: %v, wants %v", len(r.File), len(expectedImgFiles)+len(expectedRecordFiles))
}
// Iterate through the files in the archive,
// printing some of their contents.
for _, f := range r.File {
filename := f.Name
if filename[len(filename)-4:] == "json" {
expectedRecordFiles[filename] = true
expectedtImgName := strings.Replace(filename, "record", "cam-image_array", 1)
expectedtImgName = strings.Replace(expectedtImgName, "json", "jpg", 1)
checkJsonContent(t, f, expectedtImgName)
continue
}
if filename[len(filename)-3:] == "jpg" {
expectedImgFiles[filename] = true
continue
}
t.Errorf("unexpected file in archive: %v", filename)
}
checkAllFilesAreFoundInArchive(expectedRecordFiles, t, expectedImgFiles)
}
func checkAllFilesAreFoundInArchive(expectedRecordFiles map[string]bool, t *testing.T, expectedImgFiles map[string]bool) {
for f, found := range expectedRecordFiles {
if !found {
t.Errorf("%v not found in archive", f)
}
}
for f, found := range expectedImgFiles {
if !found {
t.Errorf("%v not found in archive", f)
}
}
}
func checkJsonContent(t *testing.T, f *zip.File, expectedCamImage string) {
rc, err := f.Open()
if err != nil {
t.Errorf("unable to read file content of %v: %v", f.Name, err)
}
defer rc.Close()
content, err := ioutil.ReadAll(rc)
if err != nil {
t.Errorf("%v has invalid json content: %v", f.Name, err)
}
var rcd record.Record
err = json.Unmarshal(content, &rcd)
if err != nil {
t.Errorf("unable to unmarshal json content of%v: %v", f.Name, err)
}
if rcd.CamImageArray != expectedCamImage {
t.Errorf("record %v: invalid image ref: %v, wants %v", f.Name, rcd.CamImageArray, expectedCamImage)
}
if rcd.UserAngle == 0. {
t.Errorf("record %v: user angle has not been initialised", f.Name)
}
}
func expectedFiles() (map[string]bool, map[string]bool) {
expectedRecordFiles := make(map[string]bool)
expectedImgFiles := make(map[string]bool)
for i := 1; i <= 8; i++ {
expectedRecordFiles[fmt.Sprintf("record_%07d.json", i)] = false
expectedImgFiles[fmt.Sprintf("cam-image_array_%07d.jpg", i)] = false
}
for i := 101; i <= 106; i++ {
expectedRecordFiles[fmt.Sprintf("record_%07d.json", i)] = false
expectedImgFiles[fmt.Sprintf("cam-image_array_%07d.jpg", i)] = false
}
return expectedRecordFiles, expectedImgFiles
}