mirror of
https://github.com/tailscale/tailscale.git
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82 lines
2.8 KiB
Go
82 lines
2.8 KiB
Go
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// Copyright 2018 The Go 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 pprof
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import (
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"bytes"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"runtime/pprof"
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"testing"
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)
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// TestDescriptions checks that the profile names under runtime/pprof package
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// have a key in the description map.
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func TestDescriptions(t *testing.T) {
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for _, p := range pprof.Profiles() {
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_, ok := profileDescriptions[p.Name()]
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if ok != true {
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t.Errorf("%s does not exist in profileDescriptions map\n", p.Name())
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}
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}
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}
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func TestHandlers(t *testing.T) {
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testCases := []struct {
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path string
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handler http.HandlerFunc
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statusCode int
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contentType string
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contentDisposition string
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resp []byte
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}{
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{"/debug/pprof/<script>scripty<script>", Index, http.StatusNotFound, "text/plain; charset=utf-8", "", []byte("Unknown profile\n")},
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{"/debug/pprof/heap", Index, http.StatusOK, "application/octet-stream", `attachment; filename="heap"`, nil},
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{"/debug/pprof/heap?debug=1", Index, http.StatusOK, "text/plain; charset=utf-8", "", nil},
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{"/debug/pprof/cmdline", Cmdline, http.StatusOK, "text/plain; charset=utf-8", "", nil},
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{"/debug/pprof/profile?seconds=1", Profile, http.StatusOK, "application/octet-stream", `attachment; filename="profile"`, nil},
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{"/debug/pprof/symbol", Symbol, http.StatusOK, "text/plain; charset=utf-8", "", nil},
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{"/debug/pprof/trace", Trace, http.StatusOK, "application/octet-stream", `attachment; filename="trace"`, nil},
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}
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for _, tc := range testCases {
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t.Run(tc.path, func(t *testing.T) {
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req := httptest.NewRequest("GET", "http://example.com"+tc.path, nil)
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w := httptest.NewRecorder()
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tc.handler(w, req)
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resp := w.Result()
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if got, want := resp.StatusCode, tc.statusCode; got != want {
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t.Errorf("status code: got %d; want %d", got, want)
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}
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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t.Errorf("when reading response body, expected non-nil err; got %v", err)
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}
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if got, want := resp.Header.Get("X-Content-Type-Options"), "nosniff"; got != want {
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t.Errorf("X-Content-Type-Options: got %q; want %q", got, want)
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}
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if got, want := resp.Header.Get("Content-Type"), tc.contentType; got != want {
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t.Errorf("Content-Type: got %q; want %q", got, want)
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}
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if got, want := resp.Header.Get("Content-Disposition"), tc.contentDisposition; got != want {
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t.Errorf("Content-Disposition: got %q; want %q", got, want)
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}
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if resp.StatusCode == http.StatusOK {
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return
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}
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if got, want := resp.Header.Get("X-Go-Pprof"), "1"; got != want {
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t.Errorf("X-Go-Pprof: got %q; want %q", got, want)
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}
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if !bytes.Equal(body, tc.resp) {
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t.Errorf("response: got %q; want %q", body, tc.resp)
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}
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})
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}
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}
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