gtsocial-umbx

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testing_common.go (1687B)

      1 package exifcommon
      2 
      3 import (
      4 	"os"
      5 	"path"
      6 
      7 	"encoding/binary"
      8 	"io/ioutil"
      9 
     10 	"github.com/dsoprea/go-logging"
     11 )
     12 
     13 var (
     14 	moduleRootPath = ""
     15 
     16 	testExifData []byte = nil
     17 
     18 	// EncodeDefaultByteOrder is the default byte-order for encoding operations.
     19 	EncodeDefaultByteOrder = binary.BigEndian
     20 
     21 	// Default byte order for tests.
     22 	TestDefaultByteOrder = binary.BigEndian
     23 )
     24 
     25 func GetModuleRootPath() string {
     26 	if moduleRootPath == "" {
     27 		moduleRootPath = os.Getenv("EXIF_MODULE_ROOT_PATH")
     28 		if moduleRootPath != "" {
     29 			return moduleRootPath
     30 		}
     31 
     32 		currentWd, err := os.Getwd()
     33 		log.PanicIf(err)
     34 
     35 		currentPath := currentWd
     36 
     37 		visited := make([]string, 0)
     38 
     39 		for {
     40 			tryStampFilepath := path.Join(currentPath, ".MODULE_ROOT")
     41 
     42 			_, err := os.Stat(tryStampFilepath)
     43 			if err != nil && os.IsNotExist(err) != true {
     44 				log.Panic(err)
     45 			} else if err == nil {
     46 				break
     47 			}
     48 
     49 			visited = append(visited, tryStampFilepath)
     50 
     51 			currentPath = path.Dir(currentPath)
     52 			if currentPath == "/" {
     53 				log.Panicf("could not find module-root: %v", visited)
     54 			}
     55 		}
     56 
     57 		moduleRootPath = currentPath
     58 	}
     59 
     60 	return moduleRootPath
     61 }
     62 
     63 func GetTestAssetsPath() string {
     64 	moduleRootPath := GetModuleRootPath()
     65 	assetsPath := path.Join(moduleRootPath, "assets")
     66 
     67 	return assetsPath
     68 }
     69 
     70 func getTestImageFilepath() string {
     71 	assetsPath := GetTestAssetsPath()
     72 	testImageFilepath := path.Join(assetsPath, "NDM_8901.jpg")
     73 	return testImageFilepath
     74 }
     75 
     76 func getTestExifData() []byte {
     77 	if testExifData == nil {
     78 		assetsPath := GetTestAssetsPath()
     79 		filepath := path.Join(assetsPath, "NDM_8901.jpg.exif")
     80 
     81 		var err error
     82 
     83 		testExifData, err = ioutil.ReadFile(filepath)
     84 		log.PanicIf(err)
     85 	}
     86 
     87 	return testExifData
     88 }