github.com/rogpeppe/juju@v0.0.0-20140613142852-6337964b789e/cmd/juju/unset_test.go (about)

     1  // Copyright 2012, 2013 Canonical Ltd.
     2  // Licensed under the AGPLv3, see LICENCE file for details.
     3  
     4  package main
     5  
     6  import (
     7  	"bytes"
     8  
     9  	"github.com/juju/charm"
    10  	"github.com/juju/cmd"
    11  	gc "launchpad.net/gocheck"
    12  
    13  	"github.com/juju/juju/cmd/envcmd"
    14  	"github.com/juju/juju/juju/testing"
    15  	"github.com/juju/juju/state"
    16  	coretesting "github.com/juju/juju/testing"
    17  )
    18  
    19  type UnsetSuite struct {
    20  	testing.JujuConnSuite
    21  	svc *state.Service
    22  	dir string
    23  }
    24  
    25  var _ = gc.Suite(&UnsetSuite{})
    26  
    27  func (s *UnsetSuite) SetUpTest(c *gc.C) {
    28  	s.JujuConnSuite.SetUpTest(c)
    29  	ch := s.AddTestingCharm(c, "dummy")
    30  	svc := s.AddTestingService(c, "dummy-service", ch)
    31  	s.svc = svc
    32  	s.dir = c.MkDir()
    33  	setupConfigFile(c, s.dir)
    34  }
    35  
    36  func (s *UnsetSuite) TestUnsetOptionOneByOneSuccess(c *gc.C) {
    37  	// Set options as preparation.
    38  	assertSetSuccess(c, s.dir, s.svc, []string{
    39  		"username=hello",
    40  		"outlook=hello@world.tld",
    41  	}, charm.Settings{
    42  		"username": "hello",
    43  		"outlook":  "hello@world.tld",
    44  	})
    45  
    46  	// Unset one by one.
    47  	assertUnsetSuccess(c, s.dir, s.svc, []string{"username"}, charm.Settings{
    48  		"outlook": "hello@world.tld",
    49  	})
    50  	assertUnsetSuccess(c, s.dir, s.svc, []string{"outlook"}, charm.Settings{})
    51  }
    52  
    53  func (s *UnsetSuite) TestUnsetOptionMultipleAtOnceSuccess(c *gc.C) {
    54  	// Set options as preparation.
    55  	assertSetSuccess(c, s.dir, s.svc, []string{
    56  		"username=hello",
    57  		"outlook=hello@world.tld",
    58  	}, charm.Settings{
    59  		"username": "hello",
    60  		"outlook":  "hello@world.tld",
    61  	})
    62  
    63  	// Unset multiple options at once.
    64  	assertUnsetSuccess(c, s.dir, s.svc, []string{"username", "outlook"}, charm.Settings{})
    65  }
    66  
    67  func (s *UnsetSuite) TestUnsetOptionFail(c *gc.C) {
    68  	assertUnsetFail(c, s.dir, []string{}, "error: no configuration options specified\n")
    69  	assertUnsetFail(c, s.dir, []string{"invalid"}, "error: unknown option \"invalid\"\n")
    70  	assertUnsetFail(c, s.dir, []string{"username=bar"}, "error: unknown option \"username=bar\"\n")
    71  	assertUnsetFail(c, s.dir, []string{
    72  		"username",
    73  		"outlook",
    74  		"invalid",
    75  	}, "error: unknown option \"invalid\"\n")
    76  }
    77  
    78  // assertUnsetSuccess unsets configuration options and checks the expected settings.
    79  func assertUnsetSuccess(c *gc.C, dir string, svc *state.Service, args []string, expect charm.Settings) {
    80  	ctx := coretesting.ContextForDir(c, dir)
    81  	code := cmd.Main(envcmd.Wrap(&UnsetCommand{}), ctx, append([]string{"dummy-service"}, args...))
    82  	c.Check(code, gc.Equals, 0)
    83  	settings, err := svc.ConfigSettings()
    84  	c.Assert(err, gc.IsNil)
    85  	c.Assert(settings, gc.DeepEquals, expect)
    86  }
    87  
    88  // assertUnsetFail unsets configuration options and checks the expected error.
    89  func assertUnsetFail(c *gc.C, dir string, args []string, err string) {
    90  	ctx := coretesting.ContextForDir(c, dir)
    91  	code := cmd.Main(envcmd.Wrap(&UnsetCommand{}), ctx, append([]string{"dummy-service"}, args...))
    92  	c.Check(code, gc.Not(gc.Equals), 0)
    93  	c.Assert(ctx.Stderr.(*bytes.Buffer).String(), gc.Matches, err)
    94  }