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go-exif
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exif: Added test for ParseExifHeader. 

- Tweaked the test names for correctness.
pull/3/head
Dustin Oprea 2018-06-06 03:52:26 -04:00
parent 32664e6098
commit 7fa077bb78
2 changed files with 27 additions and 3 deletions
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BIN
assets/NDM_8901.jpg.exif Executable file
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30
exif_test.go
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@ -8,6 +8,7 @@ import (
"reflect"
"io/ioutil"
"encoding/binary"
"github.com/dsoprea/go-logging"
)
@ -29,7 +30,7 @@ func TestIsExif_False(t *testing.T) {
}
}
func TestVisit(t *testing.T) {
func TestExif_Visit(t *testing.T) {
defer func() {
if state := recover(); state != nil {
err := log.Wrap(state.(error))
@ -199,7 +200,7 @@ func TestVisit(t *testing.T) {
}
}
func TestCollect(t *testing.T) {
func TestExif_Collect(t *testing.T) {
defer func() {
if state := recover(); state != nil {
err := log.Wrap(state.(error))
@ -335,7 +336,30 @@ func TestCollect(t *testing.T) {
}
}
func TestBuildAndParseExifHeader(t *testing.T) {
func TestExif_ParseExifHeader(t *testing.T) {
filepath := path.Join(assetsPath, "NDM_8901.jpg.exif")
exifData, err := ioutil.ReadFile(filepath)
log.PanicIf(err)
// TODO(dustin): !! We're currently built to expect the JPEG EXIF header-prefix, but our test-data doesn't have that.So, artificially prefix it, for now.
data := make([]byte, len(exifData) + len(ExifHeaderPrefixBytes))
copy(data[0:], ExifHeaderPrefixBytes)
copy(data[len(ExifHeaderPrefixBytes):], exifData)
e := NewExif()
eh, err := e.ParseExifHeader(data)
log.PanicIf(err)
if eh.ByteOrder != binary.LittleEndian {
t.Fatalf("Byte-order of EXIF header not correct.")
} else if eh.FirstIfdOffset != 0x8 {
t.Fatalf("First IFD offset not correct.")
}
}
func TestExif_BuildAndParseExifHeader(t *testing.T) {
headerBytes, err := BuildExifHeader(TestDefaultByteOrder, 0x11223344)
log.PanicIf(err)