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reduce test size and add additional tests

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This commit is contained in:
Dhruv Sringari
2022-02-09 10:08:43 -08:00
parent b60de29e40
commit 1f52b4c7a2
1 changed files with 27 additions and 3 deletions
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30
go/store/nbs/index_transformer_test.go
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@@ -117,8 +117,8 @@ func calcOffsets(arr []uint32) []uint64 {
return out
}
func TestLengthsTransformer(t *testing.T) {
testSize := rand.Intn(100) + 1
func TestOffsetReader(t *testing.T) {
testSize := rand.Intn(10) + 1
lengths := randomUInt32s(testSize)
offsets := calcOffsets(lengths)
@@ -132,10 +132,34 @@ func TestLengthsTransformer(t *testing.T) {
err := testReader(offsetReader, offsetBytes)
require.NoError(t, err)
})
t.Run("err not enough bytes when expected", func(t *testing.T) {
lengthsReader := bytes.NewReader(lengthBytes[:len(lengthBytes)-1])
offsetReader := NewOffsetsReader(lengthsReader)
_, err := io.ReadAll(offsetReader)
require.ErrorAsf(t, err, &ErrNotEnoughBytes, "should return ErrNotEnoughBytes")
})
t.Run("fills provided buffer correctly", func(t *testing.T) {
lengthsReader := bytes.NewReader(lengthBytes)
offsetReader := NewOffsetsReader(lengthsReader)
p := make([]byte, offsetSize)
n, err := offsetReader.Read(p)
require.NoError(t, err)
require.Equal(t, offsetSize, n)
})
t.Run("works with io.ReadAll", func(t *testing.T) {
lengthsReader := bytes.NewReader(lengthBytes[:lengthSize])
offsetReader := NewOffsetsReader(lengthsReader)
data, err := io.ReadAll(offsetReader)
require.NoError(t, err)
require.True(t, bytes.Equal(data, offsetBytes[:offsetSize]))
})
}
func TestIndexTransformer(t *testing.T) {
chunkCount := rand.Intn(1000) + 1
chunkCount := rand.Intn(10) + 1
lengths := randomUInt32s(chunkCount)
offsets := calcOffsets(lengths)
lengthBytes := get32Bytes(lengths)