github.com/altoros/juju-vmware@v0.0.0-20150312064031-f19ae857ccca/cmd/plugins/local/main_test.go (about)

     1  // Copyright 2014 Canonical Ltd.
     2  // Licensed under the AGPLv3, see LICENCE file for details.
     3  
     4  package local_test
     5  
     6  import (
     7  	"fmt"
     8  	"os/exec"
     9  	"strings"
    10  
    11  	"github.com/juju/cmd"
    12  	"github.com/juju/testing"
    13  	jc "github.com/juju/testing/checkers"
    14  	gc "gopkg.in/check.v1"
    15  
    16  	"github.com/juju/juju/cmd/plugins/local"
    17  	coretesting "github.com/juju/juju/testing"
    18  )
    19  
    20  type mainSuite struct {
    21  	coretesting.BaseSuite
    22  }
    23  
    24  var _ = gc.Suite(&mainSuite{})
    25  
    26  func (*mainSuite) TestRegisteredCommands(c *gc.C) {
    27  	expectedSubcommands := []string{
    28  		"help",
    29  		"version",
    30  		// TODO: add some as they get registered
    31  	}
    32  	plugin := local.JujuLocalPlugin()
    33  	ctx, err := coretesting.RunCommand(c, plugin, "help", "commands")
    34  	c.Assert(err, jc.ErrorIsNil)
    35  
    36  	lines := strings.Split(coretesting.Stdout(ctx), "\n")
    37  	var names []string
    38  	for _, line := range lines {
    39  		f := strings.Fields(line)
    40  		if len(f) == 0 {
    41  			continue
    42  		}
    43  		names = append(names, f[0])
    44  	}
    45  	// The names should be output in alphabetical order, so don't sort.
    46  	c.Assert(names, gc.DeepEquals, expectedSubcommands)
    47  }
    48  
    49  func (s *mainSuite) TestRunAsRootCallsFuncIfRoot(c *gc.C) {
    50  	s.PatchValue(local.CheckIfRoot, func() bool { return true })
    51  	called := false
    52  	call := func(*cmd.Context) error {
    53  		called = true
    54  		return nil
    55  	}
    56  	args := []string{"ignored..."}
    57  	err := local.RunAsRoot("juju-magic", args, coretesting.Context(c), call)
    58  	c.Assert(err, jc.ErrorIsNil)
    59  	c.Assert(called, jc.IsTrue)
    60  }
    61  
    62  func (s *mainSuite) TestRunAsRootCallsSudoIfNotRoot(c *gc.C) {
    63  	s.PatchValue(local.CheckIfRoot, func() bool { return false })
    64  	testing.PatchExecutableAsEchoArgs(c, s, "sudo")
    65  	// the command needs to be in the path...
    66  	testing.PatchExecutableAsEchoArgs(c, s, "juju-magic")
    67  	magicPath, err := exec.LookPath("juju-magic")
    68  	c.Assert(err, jc.ErrorIsNil)
    69  	callIgnored := func(*cmd.Context) error {
    70  		panic("unreachable")
    71  	}
    72  	args := []string{"passed"}
    73  	context := coretesting.Context(c)
    74  	err = local.RunAsRoot("juju-magic", args, context, callIgnored)
    75  	c.Assert(err, jc.ErrorIsNil)
    76  	expected := fmt.Sprintf("sudo \"--preserve-env\" %q \"passed\"\n", magicPath)
    77  	c.Assert(coretesting.Stdout(context), gc.Equals, expected)
    78  }