github.com/niedbalski/juju@v0.0.0-20190215020005-8ff100488e47/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) TestNilDestroyer(c *gc.C) {
    28  	config := validConfig()
    29  	config.Destroyer = nil
    30  	checkInvalid(c, config, "nil Destroyer not valid")
    31  }
    32  
    33  func (*ValidateSuite) TestNilCredentialAPI(c *gc.C) {
    34  	config := validConfig()
    35  	config.CredentialAPI = nil
    36  	checkInvalid(c, config, "nil CredentialAPI not valid")
    37  }
    38  
    39  func validConfig() undertaker.Config {
    40  	return undertaker.Config{
    41  		Facade:        &fakeFacade{},
    42  		Destroyer:     &fakeEnviron{},
    43  		CredentialAPI: &fakeCredentialAPI{},
    44  	}
    45  }
    46  
    47  func checkInvalid(c *gc.C, config undertaker.Config, message string) {
    48  	check := func(err error) {
    49  		c.Check(err, jc.Satisfies, errors.IsNotValid)
    50  		c.Check(err, gc.ErrorMatches, message)
    51  	}
    52  	err := config.Validate()
    53  	check(err)
    54  
    55  	worker, err := undertaker.NewUndertaker(config)
    56  	c.Check(worker, gc.IsNil)
    57  	check(err)
    58  }