mirror of https://github.com/dsoprea/go-exif.git
ifd_builder_test.go: Fix test
Dustin Oprea
parent
a45cc7cfd5
commit
efa6e2d6c0
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@ -4,7 +4,7 @@ import (
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"bytes"
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"fmt"
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"reflect"
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// "sort"
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"sort"
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"strings"
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"testing"
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@ -1550,142 +1550,154 @@ func ExampleIfdBuilder_SetStandardWithName_updateGps() {
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// Degrees<O=[N] D=(11) M=(22) S=(33)>
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}
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// TODO(dustin): There's some current discrepancy in-between the original and recovered that needs to be investigated.
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func TestIfdBuilder_NewIfdBuilderFromExistingChain_RealData(t *testing.T) {
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testImageFilepath := getTestImageFilepath()
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// func TestIfdBuilder_NewIfdBuilderFromExistingChain_RealData(t *testing.T) {
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// testImageFilepath := getTestImageFilepath()
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rawExif, err := SearchFileAndExtractExif(testImageFilepath)
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log.PanicIf(err)
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// rawExif, err := SearchFileAndExtractExif(testImageFilepath)
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// log.PanicIf(err)
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// Decode from binary.
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// // Decode from binary.
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im := NewIfdMapping()
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// im := NewIfdMapping()
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err = LoadStandardIfds(im)
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log.PanicIf(err)
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// err = LoadStandardIfds(im)
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// log.PanicIf(err)
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ti := NewTagIndex()
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// ti := NewTagIndex()
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_, originalIndex, err := Collect(im, ti, rawExif)
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log.PanicIf(err)
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// _, originalIndex, err := Collect(im, ti, rawExif)
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// log.PanicIf(err)
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originalThumbnailData, err := originalIndex.RootIfd.NextIfd.Thumbnail()
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log.PanicIf(err)
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// originalThumbnailData, err := originalIndex.RootIfd.NextIfd.Thumbnail()
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// log.PanicIf(err)
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originalTags := originalIndex.RootIfd.DumpTags()
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// originalTags := originalIndex.RootIfd.DumpTags()
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// Encode back to binary.
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// // Encode back to binary.
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ibe := NewIfdByteEncoder()
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// ibe := NewIfdByteEncoder()
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rootIb := NewIfdBuilderFromExistingChain(originalIndex.RootIfd)
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// rootIb := NewIfdBuilderFromExistingChain(originalIndex.RootIfd)
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updatedExif, err := ibe.EncodeToExif(rootIb)
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log.PanicIf(err)
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// updatedExif, err := ibe.EncodeToExif(rootIb)
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// log.PanicIf(err)
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// Parse again.
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// // Parse again.
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_, recoveredIndex, err := Collect(im, ti, updatedExif)
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log.PanicIf(err)
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// _, recoveredIndex, err := Collect(im, ti, updatedExif)
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// log.PanicIf(err)
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recoveredTags := recoveredIndex.RootIfd.DumpTags()
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// recoveredTags := recoveredIndex.RootIfd.DumpTags()
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recoveredThumbnailData, err := recoveredIndex.RootIfd.NextIfd.Thumbnail()
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log.PanicIf(err)
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// recoveredThumbnailData, err := recoveredIndex.RootIfd.NextIfd.Thumbnail()
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// log.PanicIf(err)
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// Check the thumbnail.
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// // Check the thumbnail.
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if bytes.Compare(recoveredThumbnailData, originalThumbnailData) != 0 {
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t.Fatalf("recovered thumbnail does not match original")
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}
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// if bytes.Compare(recoveredThumbnailData, originalThumbnailData) != 0 {
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// t.Fatalf("recovered thumbnail does not match original")
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// }
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// Validate that all of the same IFDs were presented.
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// // Validate that all of the same IFDs were presented.
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originalIfdTags := make([][2]interface{}, 0)
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for _, ite := range originalTags {
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if ite.ChildIfdPath() != "" {
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originalIfdTags = append(originalIfdTags, [2]interface{}{ite.IfdPath(), ite.TagId()})
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}
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}
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// originalIfdTags := make([][2]interface{}, 0)
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// for _, ite := range originalTags {
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// if ite.ChildIfdPath() != "" {
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// originalIfdTags = append(originalIfdTags, [2]interface{}{ite.IfdPath(), ite.TagId()})
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// }
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// }
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recoveredIfdTags := make([][2]interface{}, 0)
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for _, ite := range recoveredTags {
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if ite.ChildIfdPath() != "" {
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recoveredIfdTags = append(recoveredIfdTags, [2]interface{}{ite.IfdPath(), ite.TagId()})
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}
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}
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// recoveredIfdTags := make([][2]interface{}, 0)
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// for _, ite := range recoveredTags {
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// if ite.ChildIfdPath() != "" {
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// recoveredIfdTags = append(recoveredIfdTags, [2]interface{}{ite.IfdPath(), ite.TagId()})
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// }
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// }
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if reflect.DeepEqual(recoveredIfdTags, originalIfdTags) != true {
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fmt.Printf("Original IFD tags:\n\n")
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// if reflect.DeepEqual(recoveredIfdTags, originalIfdTags) != true {
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// fmt.Printf("Original IFD tags:\n\n")
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for i, x := range originalIfdTags {
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fmt.Printf(" %02d %v\n", i, x)
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}
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// for i, x := range originalIfdTags {
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// fmt.Printf(" %02d %v\n", i, x)
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// }
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fmt.Printf("\nRecovered IFD tags:\n\n")
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// fmt.Printf("\nRecovered IFD tags:\n\n")
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for i, x := range recoveredIfdTags {
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fmt.Printf(" %02d %v\n", i, x)
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}
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// for i, x := range recoveredIfdTags {
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// fmt.Printf(" %02d %v\n", i, x)
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// }
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fmt.Printf("\n")
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// fmt.Printf("\n")
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t.Fatalf("Recovered IFD tags are not correct.")
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}
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// t.Fatalf("Recovered IFD tags are not correct.")
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// }
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// Validate that all of the tags owned by the IFDs were presented. Note
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// that the thumbnail tags are not kept but only produced on the fly, which
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// is why we check it above.
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// // Validate that all of the tags owned by the IFDs were presented. Note
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// // that the thumbnail tags are not kept but only produced on the fly, which
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// // is why we check it above.
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if len(recoveredTags) != len(originalTags) {
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t.Fatalf("Recovered tag-count does not match original.")
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}
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// if len(recoveredTags) != len(originalTags) {
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// t.Fatalf("Recovered tag-count does not match original.")
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// }
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originalTagPhrases := make([]string, 0)
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for _, ite := range originalTags {
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phrase := ite.String()
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// originalTagPhrases := make([]string, 0)
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// for _, ite := range originalTags {
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// valuePhrase, err := ite.Format()
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// log.PanicIf(err)
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// The value (the offset) of IFDs will almost never be the same after
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// reconstruction (by design).
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if ite.ChildIfdName() == "" {
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valuePhrase, err := ite.FormatFirst()
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log.PanicIf(err)
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// phrase := ite.String() + " " + valuePhrase
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// originalTagPhrases = append(originalTagPhrases, phrase)
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// }
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phrase += " " + valuePhrase
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}
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// sort.Strings(originalTagPhrases)
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originalTagPhrases = append(originalTagPhrases, phrase)
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}
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// recoveredTagPhrases := make([]string, 0)
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// for _, ite := range recoveredTags {
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// valuePhrase, err := ite.Format()
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// log.PanicIf(err)
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sort.Strings(originalTagPhrases)
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// phrase := ite.String() + " " + valuePhrase
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// recoveredTagPhrases = append(recoveredTagPhrases, phrase)
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// }
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recoveredTagPhrases := make([]string, 0)
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for _, ite := range recoveredTags {
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phrase := ite.String()
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// sort.Strings(recoveredTagPhrases)
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// The value (the offset) of IFDs will almost never be the same after
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// reconstruction (by design).
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if ite.ChildIfdName() == "" {
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valuePhrase, err := ite.FormatFirst()
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log.PanicIf(err)
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// if reflect.DeepEqual(recoveredTagPhrases, originalTagPhrases) != true {
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// fmt.Printf("ORIGINAL:\n")
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// fmt.Printf("\n")
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phrase += " " + valuePhrase
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}
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// for _, tag := range originalTagPhrases {
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// fmt.Printf("%s\n", tag)
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// }
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recoveredTagPhrases = append(recoveredTagPhrases, phrase)
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}
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// fmt.Printf("\n")
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sort.Strings(recoveredTagPhrases)
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// fmt.Printf("RECOVERED:\n")
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// fmt.Printf("\n")
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if reflect.DeepEqual(recoveredTagPhrases, originalTagPhrases) != true {
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fmt.Printf("ORIGINAL:\n")
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fmt.Printf("\n")
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// for _, tag := range recoveredTagPhrases {
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// fmt.Printf("%s\n", tag)
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// }
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for _, tag := range originalTagPhrases {
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fmt.Printf("%s\n", tag)
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}
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// fmt.Printf("\n")
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fmt.Printf("\n")
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// t.Fatalf("Recovered tags do not equal original tags.")
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// }
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// }
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fmt.Printf("RECOVERED:\n")
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fmt.Printf("\n")
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for _, tag := range recoveredTagPhrases {
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fmt.Printf("%s\n", tag)
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}
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fmt.Printf("\n")
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t.Fatalf("Recovered tags do not equal original tags.")
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}
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}
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// func TestIfdBuilder_NewIfdBuilderFromExistingChain_RealData_WithUpdate(t *testing.T) {
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// testImageFilepath := getTestImageFilepath()
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