github.com/wallyworld/juju@v0.0.0-20161013125918-6cf1bc9d917a/worker/undertaker/validate_test.go (about)

     1  // Copyright 2016 Canonical Ltd.
     2  // Licensed under the AGPLv3, see LICENCE file for details.
     3  
     4  package undertaker_test
     5  
     6  import (
     7  	"github.com/juju/errors"
     8  	"github.com/juju/testing"
     9  	jc "github.com/juju/testing/checkers"
    10  	gc "gopkg.in/check.v1"
    11  
    12  	"github.com/juju/juju/worker/undertaker"
    13  )
    14  
    15  type ValidateSuite struct {
    16  	testing.IsolationSuite
    17  }
    18  
    19  var _ = gc.Suite(&ValidateSuite{})
    20  
    21  func (*ValidateSuite) TestNilFacade(c *gc.C) {
    22  	config := validConfig()
    23  	config.Facade = nil
    24  	checkInvalid(c, config, "nil Facade not valid")
    25  }
    26  
    27  func (*ValidateSuite) TestNilEnviron(c *gc.C) {
    28  	config := validConfig()
    29  	config.Environ = nil
    30  	checkInvalid(c, config, "nil Environ not valid")
    31  }
    32  
    33  func validConfig() undertaker.Config {
    34  	return undertaker.Config{
    35  		Facade:  &fakeFacade{},
    36  		Environ: &fakeEnviron{},
    37  	}
    38  }
    39  
    40  func checkInvalid(c *gc.C, config undertaker.Config, message string) {
    41  	check := func(err error) {
    42  		c.Check(err, jc.Satisfies, errors.IsNotValid)
    43  		c.Check(err, gc.ErrorMatches, message)
    44  	}
    45  	err := config.Validate()
    46  	check(err)
    47  
    48  	worker, err := undertaker.NewUndertaker(config)
    49  	c.Check(worker, gc.IsNil)
    50  	check(err)
    51  }