github.com/Lephar/snapd@v0.0.0-20210825215435-c7fba9cef4d2/overlord/snapstate/snapstate_try_test.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2016-2020 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 snapstate_test
    21  
    22  import (
    23  	"bytes"
    24  	"io/ioutil"
    25  	"os"
    26  	"path/filepath"
    27  
    28  	. "gopkg.in/check.v1"
    29  
    30  	"github.com/snapcore/snapd/overlord/snapstate"
    31  )
    32  
    33  func (s *snapmgrTestSuite) TestTrySetsTryMode(c *C) {
    34  	s.testTrySetsTryMode(snapstate.Flags{}, c)
    35  }
    36  
    37  func (s *snapmgrTestSuite) TestTrySetsTryModeDevMode(c *C) {
    38  	s.testTrySetsTryMode(snapstate.Flags{DevMode: true}, c)
    39  }
    40  func (s *snapmgrTestSuite) TestTrySetsTryModeJailMode(c *C) {
    41  	s.testTrySetsTryMode(snapstate.Flags{JailMode: true}, c)
    42  }
    43  func (s *snapmgrTestSuite) TestTrySetsTryModeClassic(c *C) {
    44  	restore := maybeMockClassicSupport(c)
    45  	defer restore()
    46  
    47  	s.testTrySetsTryMode(snapstate.Flags{Classic: true}, c, "confinement: classic\n")
    48  }
    49  
    50  func (s *snapmgrTestSuite) testTrySetsTryMode(flags snapstate.Flags, c *C, extraYaml ...string) {
    51  	s.state.Lock()
    52  	defer s.state.Unlock()
    53  
    54  	// make mock try dir
    55  	d := c.MkDir()
    56  	c.Assert(os.Chmod(d, 0755), IsNil)
    57  	tryYaml := filepath.Join(d, "meta", "snap.yaml")
    58  	err := os.MkdirAll(filepath.Dir(tryYaml), 0755)
    59  	c.Assert(err, IsNil)
    60  	buf := bytes.Buffer{}
    61  	buf.WriteString("name: foo\nversion: 1.0\n")
    62  	if len(extraYaml) > 0 {
    63  		for _, extra := range extraYaml {
    64  			buf.WriteString(extra)
    65  		}
    66  	}
    67  	err = ioutil.WriteFile(tryYaml, buf.Bytes(), 0644)
    68  	c.Assert(err, IsNil)
    69  
    70  	chg := s.state.NewChange("try", "try snap")
    71  	ts, err := snapstate.TryPath(s.state, "foo", d, flags)
    72  	c.Assert(err, IsNil)
    73  	chg.AddAll(ts)
    74  
    75  	s.state.Unlock()
    76  	defer s.se.Stop()
    77  	s.settle(c)
    78  	s.state.Lock()
    79  
    80  	c.Assert(chg.Err(), IsNil)
    81  	c.Assert(chg.IsReady(), Equals, true)
    82  
    83  	// verify snap is in TryMode
    84  	var snapst snapstate.SnapState
    85  	err = snapstate.Get(s.state, "foo", &snapst)
    86  	c.Assert(err, IsNil)
    87  
    88  	flags.TryMode = true
    89  	c.Check(snapst.Flags, DeepEquals, flags)
    90  
    91  	c.Check(s.state.TaskCount(), Equals, len(ts.Tasks()))
    92  	c.Check(taskKinds(ts.Tasks()), DeepEquals, []string{
    93  		"prerequisites",
    94  		"prepare-snap",
    95  		"mount-snap",
    96  		"copy-snap-data",
    97  		"setup-profiles",
    98  		"link-snap",
    99  		"auto-connect",
   100  		"set-auto-aliases",
   101  		"setup-aliases",
   102  		"run-hook[install]",
   103  		"start-snap-services",
   104  		"run-hook[configure]",
   105  		"run-hook[check-health]",
   106  	})
   107  
   108  }
   109  
   110  func (s *snapmgrTestSuite) TestTryUndoRemovesTryFlag(c *C) {
   111  	restore := maybeMockClassicSupport(c)
   112  	defer restore()
   113  	s.testTrySetsTryMode(snapstate.Flags{}, c)
   114  }
   115  
   116  func (s *snapmgrTestSuite) TestTryUndoRemovesTryFlagLeavesDevMode(c *C) {
   117  	s.testTrySetsTryMode(snapstate.Flags{DevMode: true}, c)
   118  }
   119  func (s *snapmgrTestSuite) TestTryUndoRemovesTryFlagLeavesJailMode(c *C) {
   120  	s.testTrySetsTryMode(snapstate.Flags{JailMode: true}, c)
   121  }
   122  func (s *snapmgrTestSuite) TestTryUndoRemovesTryFlagLeavesClassic(c *C) {
   123  	restore := maybeMockClassicSupport(c)
   124  	defer restore()
   125  	s.testTrySetsTryMode(snapstate.Flags{Classic: true}, c, "confinement: classic\n")
   126  }