github.com/meulengracht/snapd@v0.0.0-20210719210640-8bde69bcc84e/overlord/hookstate/ctlcmd/system_mode_test.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2021 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 ctlcmd_test
    21  
    22  import (
    23  	"fmt"
    24  
    25  	. "gopkg.in/check.v1"
    26  
    27  	"github.com/snapcore/snapd/dirs"
    28  	"github.com/snapcore/snapd/overlord/devicestate"
    29  	"github.com/snapcore/snapd/overlord/hookstate"
    30  	"github.com/snapcore/snapd/overlord/hookstate/ctlcmd"
    31  	"github.com/snapcore/snapd/overlord/hookstate/hooktest"
    32  	"github.com/snapcore/snapd/overlord/state"
    33  	"github.com/snapcore/snapd/snap"
    34  	"github.com/snapcore/snapd/testutil"
    35  )
    36  
    37  type systemModeSuite struct {
    38  	testutil.BaseTest
    39  	st          *state.State
    40  	mockHandler *hooktest.MockHandler
    41  }
    42  
    43  var _ = Suite(&systemModeSuite{})
    44  
    45  func (s *systemModeSuite) SetUpTest(c *C) {
    46  	s.BaseTest.SetUpTest(c)
    47  	dirs.SetRootDir(c.MkDir())
    48  	s.AddCleanup(func() { dirs.SetRootDir("/") })
    49  	s.st = state.New(nil)
    50  	s.mockHandler = hooktest.NewMockHandler()
    51  }
    52  
    53  func (s *systemModeSuite) TestSystemMode(c *C) {
    54  	s.st.Lock()
    55  	task := s.st.NewTask("test-task", "my test task")
    56  	setup := &hookstate.HookSetup{Snap: "snap1", Revision: snap.R(1), Hook: "test-hook"}
    57  	mockContext, err := hookstate.NewContext(task, s.st, setup, s.mockHandler, "")
    58  	c.Check(err, IsNil)
    59  	s.st.Unlock()
    60  
    61  	var smi *devicestate.SystemModeInfo
    62  	var smiErr error
    63  	r := ctlcmd.MockDevicestateSystemModeInfoFromState(func(s *state.State) (*devicestate.SystemModeInfo, error) {
    64  		// the mocked function requires the state lock,
    65  		// panic if it is not held
    66  		s.Unlock()
    67  		defer s.Lock()
    68  		return smi, smiErr
    69  	})
    70  	defer r()
    71  
    72  	tests := []struct {
    73  		smi                 devicestate.SystemModeInfo
    74  		smiErr              error
    75  		stdout, stderr, err string
    76  		exitCode            int
    77  	}{
    78  		{
    79  			smiErr: fmt.Errorf("too early"),
    80  			err:    "too early",
    81  		}, {
    82  			smi: devicestate.SystemModeInfo{
    83  				Mode:   "run",
    84  				Seeded: true,
    85  			},
    86  			stdout: "system-mode: run\nseed-loaded: true\n",
    87  		}, {
    88  			smi: devicestate.SystemModeInfo{
    89  				Mode:       "install",
    90  				HasModeenv: true,
    91  				Seeded:     true,
    92  				BootFlags:  []string{"factory"},
    93  			},
    94  			stdout: "system-mode: install\nseed-loaded: true\nfactory: true\n",
    95  		}, {
    96  			smi: devicestate.SystemModeInfo{
    97  				Mode:       "run",
    98  				HasModeenv: true,
    99  				Seeded:     false,
   100  			},
   101  			stdout: "system-mode: run\nseed-loaded: false\n",
   102  		},
   103  	}
   104  
   105  	for _, uid := range []uint32{0 /* root */, 1000 /* regular */} {
   106  		for _, test := range tests {
   107  			smi = &test.smi
   108  			smiErr = test.smiErr
   109  
   110  			stdout, stderr, err := ctlcmd.Run(mockContext, []string{"system-mode"}, uid)
   111  			comment := Commentf("%v", test)
   112  			if test.exitCode > 0 {
   113  				c.Check(err, DeepEquals, &ctlcmd.UnsuccessfulError{ExitCode: test.exitCode}, comment)
   114  			} else {
   115  				if test.err == "" {
   116  					c.Check(err, IsNil, comment)
   117  				} else {
   118  					c.Check(err, ErrorMatches, test.err, comment)
   119  				}
   120  			}
   121  
   122  			c.Check(string(stdout), Equals, test.stdout, comment)
   123  			c.Check(string(stderr), Equals, "", comment)
   124  		}
   125  	}
   126  }