github.com/kubiko/snapd@v0.0.0-20201013125620-d4f3094d9ddf/snapdenv/useragent_test.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2016-2017 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 snapdenv_test
    21  
    22  import (
    23  	"strings"
    24  
    25  	. "gopkg.in/check.v1"
    26  
    27  	"github.com/snapcore/snapd/snapdenv"
    28  )
    29  
    30  type UASuite struct {
    31  	restore func()
    32  }
    33  
    34  var _ = Suite(&UASuite{})
    35  
    36  func (s *UASuite) SetUpTest(c *C) {
    37  	s.restore = snapdenv.MockUserAgent("-")
    38  }
    39  
    40  func (s *UASuite) TearDownTest(c *C) {
    41  	s.restore()
    42  }
    43  
    44  func (s *UASuite) TestUserAgent(c *C) {
    45  	snapdenv.SetUserAgentFromVersion("10", nil)
    46  	ua := snapdenv.UserAgent()
    47  	c.Check(strings.HasPrefix(ua, "snapd/10 "), Equals, true)
    48  
    49  	snapdenv.SetUserAgentFromVersion("10", nil, "extraProd")
    50  	ua = snapdenv.UserAgent()
    51  	c.Check(strings.Contains(ua, "extraProd"), Equals, true)
    52  	c.Check(strings.Contains(ua, "devmode"), Equals, false)
    53  
    54  	devmode := false
    55  	probeForceDevMode := func() bool { return devmode }
    56  
    57  	snapdenv.SetUserAgentFromVersion("10", probeForceDevMode, "extraProd")
    58  	ua = snapdenv.UserAgent()
    59  	c.Check(strings.Contains(ua, "devmode"), Equals, false)
    60  
    61  	devmode = true
    62  	snapdenv.SetUserAgentFromVersion("10", probeForceDevMode, "extraProd")
    63  	ua = snapdenv.UserAgent()
    64  	c.Check(strings.Contains(ua, "devmode"), Equals, true)
    65  }
    66  
    67  func (s *UASuite) TestStripUnsafeRunes(c *C) {
    68  	// Sanity check, strings like that are not modified
    69  	for _, unchanged := range []string{
    70  		"abc-xyz-ABC-XYZ-0-9",
    71  		".", "-", "_",
    72  		"4.4.0-62-generic",
    73  		"4.8.6-x86_64-linode78",
    74  	} {
    75  		c.Check(snapdenv.StripUnsafeRunes(unchanged), Equals, unchanged, Commentf("%q", unchanged))
    76  	}
    77  	for _, t := range []struct{ orig, changed string }{
    78  		{"space bar", "spacebar"},
    79  		{"~;+()[]", ""}, // most punctuation goes away
    80  	} {
    81  		c.Check(snapdenv.StripUnsafeRunes(t.orig), Equals, t.changed)
    82  	}
    83  
    84  }
    85  
    86  func (s *UASuite) TestSanitizeKernelVersion(c *C) {
    87  	// Ensure that it is not too long (at most 25 runes)
    88  	const in = "this-is-a-very-long-thing-that-pretends-to-be-a-kernel-version-string"
    89  	const out = "this-is-a-very-long-thing"
    90  	c.Check(snapdenv.SanitizeKernelVersion(in), Equals, out)
    91  
    92  }