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

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 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 configcore_test
    21  
    22  import (
    23  	"bytes"
    24  
    25  	. "gopkg.in/check.v1"
    26  
    27  	"github.com/snapcore/snapd/overlord/configstate/configcore"
    28  )
    29  
    30  type utilsSuite struct{}
    31  
    32  var _ = Suite(&utilsSuite{})
    33  
    34  func (s *utilsSuite) TestUpdateKeyValueStreamNoNewConfig(c *C) {
    35  	in := bytes.NewBufferString("foo=bar")
    36  	newConfig := map[string]string{}
    37  	supportedConfigKeys := map[string]bool{}
    38  
    39  	toWrite, err := configcore.UpdateKeyValueStream(in, supportedConfigKeys, newConfig)
    40  	c.Check(err, IsNil)
    41  	c.Check(toWrite, IsNil)
    42  }
    43  
    44  func (s *utilsSuite) TestUpdateKeyValueStreamConfigNotInAllConfig(c *C) {
    45  	in := bytes.NewBufferString("")
    46  	newConfig := map[string]string{"unsupported-options": "cannot be set"}
    47  	supportedConfigKeys := map[string]bool{
    48  		"foo": true,
    49  	}
    50  
    51  	_, err := configcore.UpdateKeyValueStream(in, supportedConfigKeys, newConfig)
    52  	c.Check(err, ErrorMatches, `cannot set unsupported configuration value "unsupported-options"`)
    53  }
    54  
    55  func (s *utilsSuite) TestUpdateKeyValueStreamOneChange(c *C) {
    56  	in := bytes.NewBufferString("foo=bar")
    57  	newConfig := map[string]string{"foo": "baz"}
    58  	supportedConfigKeys := map[string]bool{
    59  		"foo": true,
    60  	}
    61  
    62  	toWrite, err := configcore.UpdateKeyValueStream(in, supportedConfigKeys, newConfig)
    63  	c.Check(err, IsNil)
    64  	c.Check(toWrite, DeepEquals, []string{"foo=baz"})
    65  }