github.com/bugraaydogar/snapd@v0.0.0-20210315170335-8c70bb858939/daemon/api_debug_pprof_test.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2014-2019 Canonical Ltd
     5   *
     6   * This program is free software: you can redistribute it and/or modify
     7   * it under the terms of the GNU General Public License version 3 as
     8   * published by the Free Software Foundation.
     9   *
    10   * This program is distributed in the hope that it will be useful,
    11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13   * GNU General Public License for more details.
    14   *
    15   * You should have received a copy of the GNU General Public License
    16   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17   *
    18   */
    19  
    20  package daemon_test
    21  
    22  import (
    23  	"bytes"
    24  	"io/ioutil"
    25  	"net/http"
    26  	"net/http/httptest"
    27  
    28  	"gopkg.in/check.v1"
    29  )
    30  
    31  var _ = check.Suite(&pprofDebugSuite{})
    32  
    33  type pprofDebugSuite struct {
    34  	apiBaseSuite
    35  }
    36  
    37  func (s *pprofDebugSuite) TestGetPprofCmdline(c *check.C) {
    38  	s.daemon(c)
    39  
    40  	req, err := http.NewRequest("GET", "/v2/debug/pprof/cmdline", nil)
    41  	c.Assert(err, check.IsNil)
    42  	// as root
    43  	req.RemoteAddr = "pid=100;uid=0;socket=;"
    44  
    45  	rr := httptest.NewRecorder()
    46  	s.serveHTTP(c, rr, req)
    47  
    48  	rsp := rr.Result()
    49  	c.Assert(rsp, check.NotNil)
    50  
    51  	c.Assert(rsp.StatusCode, check.Equals, 200)
    52  	data, err := ioutil.ReadAll(rsp.Body)
    53  	c.Assert(err, check.IsNil)
    54  
    55  	cmdline, err := ioutil.ReadFile("/proc/self/cmdline")
    56  	c.Assert(err, check.IsNil)
    57  	cmdline = bytes.TrimRight(cmdline, "\x00")
    58  	c.Assert(string(data), check.DeepEquals, string(cmdline))
    59  }