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ifd_enumerate_test.go: Moved and refactored some ITEVR tests to be fo…
…r ValueContext instead Per our recent change to deimplement ITEVRs. - ifd_enumerate_test.go: Fixed some test naming. - ifd_builder_test.go: Dropped some now-unnecessary implementations of ITEVRs.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| package exif | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "path" | ||
| "testing" | ||
|
|
||
| "github.com/dsoprea/go-logging" | ||
| ) | ||
|
|
||
| func TestValueContext_ReadAscii(t *testing.T) { | ||
| defer func() { | ||
| if state := recover(); state != nil { | ||
| err := log.Wrap(state.(error)) | ||
| log.PrintErrorf(err, "Test failure.") | ||
| } | ||
| }() | ||
|
|
||
| filepath := path.Join(assetsPath, "NDM_8901.jpg") | ||
|
|
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| rawExif, err := SearchFileAndExtractExif(filepath) | ||
| log.PanicIf(err) | ||
|
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| im := NewIfdMapping() | ||
|
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| err = LoadStandardIfds(im) | ||
| log.PanicIf(err) | ||
|
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| ti := NewTagIndex() | ||
|
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| _, index, err := Collect(im, ti, rawExif) | ||
| log.PanicIf(err) | ||
|
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| ifd := index.RootIfd | ||
|
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| var ite *IfdTagEntry | ||
| for _, thisIte := range ifd.Entries { | ||
| if thisIte.TagId == 0x0110 { | ||
| ite = thisIte | ||
| break | ||
| } | ||
| } | ||
|
|
||
| if ite == nil { | ||
| t.Fatalf("Tag not found.") | ||
| } | ||
|
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| valueContext := ifd.GetValueContext(ite) | ||
|
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||
| decodedString, err := valueContext.ReadAscii() | ||
| log.PanicIf(err) | ||
|
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| decodedBytes := []byte(decodedString) | ||
|
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| expected := []byte("Canon EOS 5D Mark III") | ||
|
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| if bytes.Compare(decodedBytes, expected) != 0 { | ||
| t.Fatalf("Decoded bytes not correct.") | ||
| } | ||
| } | ||
|
|
||
| func TestValueContext_Undefined(t *testing.T) { | ||
| defer func() { | ||
| if state := recover(); state != nil { | ||
| err := log.Wrap(state.(error)) | ||
| log.PrintErrorf(err, "Test failure.") | ||
| } | ||
| }() | ||
|
|
||
| filepath := path.Join(assetsPath, "NDM_8901.jpg") | ||
|
|
||
| rawExif, err := SearchFileAndExtractExif(filepath) | ||
| log.PanicIf(err) | ||
|
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| im := NewIfdMapping() | ||
|
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| err = LoadStandardIfds(im) | ||
| log.PanicIf(err) | ||
|
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| ti := NewTagIndex() | ||
|
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| _, index, err := Collect(im, ti, rawExif) | ||
| log.PanicIf(err) | ||
|
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| ifdExif := index.Lookup[IfdPathStandardExif][0] | ||
|
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| var ite *IfdTagEntry | ||
| for _, thisIte := range ifdExif.Entries { | ||
| if thisIte.TagId == 0x9000 { | ||
| ite = thisIte | ||
| break | ||
| } | ||
| } | ||
|
|
||
| if ite == nil { | ||
| t.Fatalf("Tag not found.") | ||
| } | ||
|
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| valueContext := ifdExif.GetValueContext(ite) | ||
|
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| value, err := valueContext.Undefined() | ||
| log.PanicIf(err) | ||
|
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| gs, ok := value.(TagUnknownType_GeneralString) | ||
| if ok != true { | ||
| t.Fatalf("Undefined value not processed correctly.") | ||
| } | ||
|
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| decodedBytes, err := gs.ValueBytes() | ||
| log.PanicIf(err) | ||
|
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| expected := []byte("0230") | ||
|
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| if bytes.Compare(decodedBytes, expected) != 0 { | ||
| t.Fatalf("Decoded bytes not correct.") | ||
| } | ||
| } |