Eric Liu
6e45f50874
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Go CI with S3 Caching / build-and-test (push) Failing after 4s
43 lines
924 B
Go
43 lines
924 B
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package s3util_test
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import (
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"bytes"
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"crypto/md5"
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"encoding/hex"
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"io"
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"strings"
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"testing"
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"github.com/tailscale/go-cache-plugin/lib/s3util"
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)
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func TestETagReader(t *testing.T) {
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const testInput = "the once and future kitten"
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want := md5.Sum([]byte(testInput))
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t.Logf("MD5(%q) = %x", testInput, want)
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r := s3util.NewETagReader(strings.NewReader(testInput))
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nr, err := io.Copy(io.Discard, r)
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if err != nil {
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t.Fatalf("Copy failed; %v", err)
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} else if nr != int64(len(testInput)) {
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t.Errorf("Copied %d bytes, want %d", nr, len(testInput))
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}
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etag := r.ETag()
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t.Logf("Got etag %s for input %q", etag, testInput)
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got, err := hex.DecodeString(r.ETag())
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if err != nil {
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t.Fatalf("Result is not valid hex: %s", r.ETag())
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}
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if !bytes.Equal(got, want[:]) {
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t.Errorf("Wrong result: got %x, want %x", got, want)
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}
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}
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