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41 lines
930 B
Go
41 lines
930 B
Go
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// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package logheap
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import (
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"bytes"
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"compress/gzip"
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"encoding/json"
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"io/ioutil"
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"testing"
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)
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func TestLogHeap(t *testing.T) {
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var buf bytes.Buffer
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if err := logHeap(&buf); err != nil {
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t.Fatal(err)
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}
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t.Logf("Got line: %s", buf.Bytes())
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var ll logLine
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if err := json.Unmarshal(buf.Bytes(), &ll); err != nil {
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t.Fatal(err)
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}
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zr, err := gzip.NewReader(bytes.NewReader(ll.Pprof.Heap))
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if err != nil {
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t.Fatal(err)
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}
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rawProto, err := ioutil.ReadAll(zr)
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if err != nil {
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t.Fatal(err)
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}
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// Just sanity check it. Too lazy to properly decode the protobuf. But see that
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// it contains an expected sample name.
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if !bytes.Contains(rawProto, []byte("alloc_objects")) {
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t.Errorf("raw proto didn't contain `alloc_objects`: %q", rawProto)
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}
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}
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