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fix(sdk): reset reader after checking if IsNanoTDF #1718

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Merged
jrschumacher merged 3 commits into from
Nov 5, 2024
Merged

fix(sdk): reset reader after checking if IsNanoTDF #1718

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fc55d44
fix(sdk): reset reader after checking if IsNanoTDF
jrschumacher Nov 5, 2024
b3bd1a2
ignore lint error
jrschumacher Nov 5, 2024
cd6cfed
add comments per request
jrschumacher Nov 5, 2024
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1 change: 1 addition & 0 deletions sdk/sdk.go
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Original file line number Diff line number Diff line change
Expand Up @@ -350,6 +350,7 @@ func IsValidTdf(reader io.ReadSeeker) (bool, error) {

func IsValidNanoTdf(reader io.ReadSeeker) (bool, error) {
_, _, err := NewNanoTDFHeaderFromReader(reader)
_, _ = reader.Seek(0, io.SeekStart) // Ignore the error as we're just checking if it's a valid nano TDF
if err != nil {
return false, err
}
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12 changes: 12 additions & 0 deletions sdk/sdk_test.go
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Expand Up @@ -145,6 +145,12 @@ func TestNew_ShouldValidateGoodNanoTdf(t *testing.T) {
require.NoError(t, err)

assert.True(t, isValid)

// Try again to see if the reader has been reset
isValid, err = sdk.IsValidNanoTdf(in)
require.NoError(t, err)

assert.True(t, isValid)
}

func TestNew_ShouldNotValidateBadNanoTdf(t *testing.T) {
Expand All @@ -169,6 +175,12 @@ func TestNew_ShouldValidateStandardTdf(t *testing.T) {
require.NoError(t, err)

assert.True(t, isValid)

// Try again to see if the reader has been reset
isValid, err = sdk.IsValidTdf(in)
require.NoError(t, err)

assert.True(t, isValid)
}

func TestNew_ShouldNotValidateBadStandardTdf(t *testing.T) {
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