github.com/hugh712/snapd@v0.0.0-20200910133618-1a99902bd583/overlord/servicestate/servicestate_test.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2015-2020 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 servicestate_test
    21  
    22  import (
    23  	"fmt"
    24  	"os"
    25  	"path/filepath"
    26  	"strings"
    27  
    28  	. "gopkg.in/check.v1"
    29  
    30  	"github.com/snapcore/snapd/client"
    31  	"github.com/snapcore/snapd/dirs"
    32  	"github.com/snapcore/snapd/overlord/servicestate"
    33  	"github.com/snapcore/snapd/snap"
    34  	"github.com/snapcore/snapd/systemd"
    35  )
    36  
    37  type statusDecoratorSuite struct{}
    38  
    39  var _ = Suite(&statusDecoratorSuite{})
    40  
    41  func (s *statusDecoratorSuite) TestDecorateWithStatus(c *C) {
    42  	dirs.SetRootDir(c.MkDir())
    43  	defer dirs.SetRootDir("")
    44  	snp := &snap.Info{
    45  		SideInfo: snap.SideInfo{
    46  			RealName: "foo",
    47  			Revision: snap.R(1),
    48  		},
    49  	}
    50  	err := os.MkdirAll(snp.MountDir(), 0755)
    51  	c.Assert(err, IsNil)
    52  	err = os.Symlink(snp.Revision.String(), filepath.Join(filepath.Dir(snp.MountDir()), "current"))
    53  	c.Assert(err, IsNil)
    54  
    55  	disabled := false
    56  	r := systemd.MockSystemctl(func(args ...string) (buf []byte, err error) {
    57  		c.Assert(args[0], Equals, "show")
    58  		unit := args[2]
    59  		activeState, unitState := "active", "enabled"
    60  		if disabled {
    61  			activeState = "inactive"
    62  			unitState = "disabled"
    63  		}
    64  		if strings.HasSuffix(unit, ".timer") || strings.HasSuffix(unit, ".socket") {
    65  			return []byte(fmt.Sprintf(`Id=%s
    66  ActiveState=%s
    67  UnitFileState=%s
    68  `, args[2], activeState, unitState)), nil
    69  		} else {
    70  			return []byte(fmt.Sprintf(`Id=%s
    71  Type=simple
    72  ActiveState=%s
    73  UnitFileState=%s
    74  `, args[2], activeState, unitState)), nil
    75  		}
    76  	})
    77  	defer r()
    78  
    79  	sd := servicestate.NewStatusDecorator(nil)
    80  
    81  	// not a service
    82  	app := &client.AppInfo{
    83  		Snap: "foo",
    84  		Name: "app",
    85  	}
    86  	snapApp := &snap.AppInfo{Snap: snp, Name: "app"}
    87  
    88  	err = sd.DecorateWithStatus(app, snapApp)
    89  	c.Assert(err, IsNil)
    90  
    91  	for _, enabled := range []bool{true, false} {
    92  		disabled = !enabled
    93  
    94  		// service only
    95  		app = &client.AppInfo{
    96  			Snap:   snp.InstanceName(),
    97  			Name:   "svc",
    98  			Daemon: "simple",
    99  		}
   100  		snapApp = &snap.AppInfo{
   101  			Snap:   snp,
   102  			Name:   "svc",
   103  			Daemon: "simple",
   104  		}
   105  
   106  		err = sd.DecorateWithStatus(app, snapApp)
   107  		c.Assert(err, IsNil)
   108  		c.Check(app.Active, Equals, enabled)
   109  		c.Check(app.Enabled, Equals, enabled)
   110  
   111  		// service  + timer
   112  		app = &client.AppInfo{
   113  			Snap:   snp.InstanceName(),
   114  			Name:   "svc",
   115  			Daemon: "simple",
   116  		}
   117  		snapApp = &snap.AppInfo{
   118  			Snap:        snp,
   119  			Name:        "svc",
   120  			Daemon:      "simple",
   121  			DaemonScope: snap.SystemDaemon,
   122  		}
   123  		snapApp.Timer = &snap.TimerInfo{
   124  			App:   snapApp,
   125  			Timer: "10:00",
   126  		}
   127  
   128  		err = sd.DecorateWithStatus(app, snapApp)
   129  		c.Assert(err, IsNil)
   130  		c.Check(app.Active, Equals, enabled)
   131  		c.Check(app.Enabled, Equals, enabled)
   132  		c.Check(app.Activators, DeepEquals, []client.AppActivator{
   133  			{Name: "svc", Type: "timer", Active: enabled, Enabled: enabled},
   134  		})
   135  
   136  		// service with socket
   137  		app = &client.AppInfo{
   138  			Snap:   snp.InstanceName(),
   139  			Name:   "svc",
   140  			Daemon: "simple",
   141  		}
   142  		snapApp = &snap.AppInfo{
   143  			Snap:        snp,
   144  			Name:        "svc",
   145  			Daemon:      "simple",
   146  			DaemonScope: snap.SystemDaemon,
   147  		}
   148  		snapApp.Sockets = map[string]*snap.SocketInfo{
   149  			"socket1": {
   150  				App:          snapApp,
   151  				Name:         "socket1",
   152  				ListenStream: "a.socket",
   153  			},
   154  		}
   155  
   156  		err = sd.DecorateWithStatus(app, snapApp)
   157  		c.Assert(err, IsNil)
   158  		c.Check(app.Active, Equals, enabled)
   159  		c.Check(app.Enabled, Equals, enabled)
   160  		c.Check(app.Activators, DeepEquals, []client.AppActivator{
   161  			{Name: "socket1", Type: "socket", Active: enabled, Enabled: enabled},
   162  		})
   163  
   164  	}
   165  }