package tiffstructure import ( "os" "path" "github.com/dsoprea/go-logging" ) var ( assetsPath = "" ) // getModuleRootPath returns our source-path when running from source during // tests. func getModuleRootPath() string { moduleRootPath := os.Getenv("TIFF_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) } } return currentPath } // getTestAssetsPath returns the test-asset path. func getTestAssetsPath() string { if assetsPath == "" { moduleRootPath := getModuleRootPath() assetsPath = path.Join(moduleRootPath, "assets") } return assetsPath } // getTestExifImageFilepath returns the file-path of the default EXIF image // asset. func getTestExifImageFilepath() string { assetsPath := getTestAssetsPath() return path.Join(assetsPath, "file_example_TIFF_1MB-scaled.tiff") }