github.com/Lephar/snapd@v0.0.0-20210825215435-c7fba9cef4d2/overlord/configstate/configcore/experimental_test.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2018 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 configcore_test
    21  
    22  import (
    23  	"fmt"
    24  	"path/filepath"
    25  
    26  	. "gopkg.in/check.v1"
    27  
    28  	"github.com/snapcore/snapd/features"
    29  	"github.com/snapcore/snapd/osutil"
    30  	"github.com/snapcore/snapd/overlord/configstate/configcore"
    31  	"github.com/snapcore/snapd/testutil"
    32  )
    33  
    34  type experimentalSuite struct {
    35  	configcoreSuite
    36  }
    37  
    38  var _ = Suite(&experimentalSuite{})
    39  
    40  func featureConf(feature features.SnapdFeature) string {
    41  	return "experimental." + feature.String()
    42  }
    43  
    44  func (s *experimentalSuite) TestConfigureExperimentalSettingsInvalid(c *C) {
    45  	for _, feature := range features.KnownFeatures() {
    46  		conf := &mockConf{
    47  			state:   s.state,
    48  			changes: map[string]interface{}{featureConf(feature): "foo"},
    49  		}
    50  		err := configcore.Run(classicDev, conf)
    51  		c.Check(err, ErrorMatches, fmt.Sprintf(`%s can only be set to 'true' or 'false'`, featureConf(feature)))
    52  	}
    53  }
    54  
    55  func (s *experimentalSuite) TestConfigureExperimentalSettingsHappy(c *C) {
    56  	for _, feature := range features.KnownFeatures() {
    57  		for _, t := range []string{"true", "false"} {
    58  			conf := &mockConf{
    59  				state: s.state,
    60  				conf:  map[string]interface{}{featureConf(feature): t},
    61  			}
    62  			err := configcore.Run(classicDev, conf)
    63  			c.Check(err, IsNil)
    64  		}
    65  	}
    66  }
    67  
    68  func (s *experimentalSuite) TestExportedFeatures(c *C) {
    69  	conf := &mockConf{
    70  		state: s.state,
    71  		conf:  map[string]interface{}{featureConf(features.PerUserMountNamespace): true},
    72  	}
    73  	err := configcore.Run(classicDev, conf)
    74  	c.Assert(err, IsNil)
    75  	c.Check(features.PerUserMountNamespace.ControlFile(), testutil.FilePresent)
    76  
    77  	delete(conf.changes, "experimental.per-user-mount-namespace")
    78  	err = configcore.Run(classicDev, conf)
    79  	c.Assert(err, IsNil)
    80  	c.Check(features.PerUserMountNamespace.ControlFile(), testutil.FilePresent)
    81  }
    82  
    83  func (s *experimentalSuite) TestFilesystemOnlyApply(c *C) {
    84  	conf := configcore.PlainCoreConfig(map[string]interface{}{
    85  		"experimental.refresh-app-awareness": "true",
    86  	})
    87  	tmpDir := c.MkDir()
    88  	c.Assert(configcore.FilesystemOnlyApply(classicDev, tmpDir, conf), IsNil)
    89  	c.Check(osutil.FileExists(filepath.Join(tmpDir, "/var/lib/snapd/features/refresh-app-awareness")), Equals, true)
    90  }
    91  
    92  func (s *experimentalSuite) TestFilesystemOnlyApplyValidationFails(c *C) {
    93  	conf := configcore.PlainCoreConfig(map[string]interface{}{
    94  		"experimental.refresh-app-awareness": 1,
    95  	})
    96  	tmpDir := c.MkDir()
    97  	c.Assert(configcore.FilesystemOnlyApply(classicDev, tmpDir, conf), ErrorMatches, `experimental.refresh-app-awareness can only be set to 'true' or 'false'`)
    98  }