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package jpegstructure
import (
"os"
"path"
"github.com/dsoprea/go-logging"
)
var (
testImageRelFilepath = "NDM_8901.jpg"
)
var (
moduleRootPath = ""
assetsPath = ""
)
// GetModuleRootPath returns the root-path of the module.
func GetModuleRootPath() string {
if moduleRootPath == "" {
moduleRootPath = os.Getenv("JPEG_MODULE_ROOT_PATH")
if moduleRootPath != "" {
return moduleRootPath
}
currentWd, err := os.Getwd()
log.PanicIf(err)
currentPath := currentWd
visited := make([]string, 0)
for {
tryStampFilepath := path.Join(currentPath, ".MODULE_ROOT")
_, err := os.Stat(tryStampFilepath)
if err != nil && os.IsNotExist(err) != true {
log.Panic(err)
} else if err == nil {
break
}
visited = append(visited, tryStampFilepath)
currentPath = path.Dir(currentPath)
if currentPath == "/" {
log.Panicf("could not find module-root: %v", visited)
}
}
moduleRootPath = currentPath
}
return moduleRootPath
}
// GetTestAssetsPath returns the path of the test-assets.
func GetTestAssetsPath() string {
if assetsPath == "" {
moduleRootPath := GetModuleRootPath()
assetsPath = path.Join(moduleRootPath, "assets")
}
return assetsPath
}
// GetTestImageFilepath returns the file-path of the common test-image.
func GetTestImageFilepath() string {
assetsPath := GetTestAssetsPath()
filepath := path.Join(assetsPath, testImageRelFilepath)
return filepath
}
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