github.com/axw/juju@v0.0.0-20161005053422-4bd6544d08d4/worker/lifeflag/validate_test.go (about)

     1  // Copyright 2016 Canonical Ltd.
     2  // Licensed under the AGPLv3, see LICENCE file for details.
     3  
     4  package lifeflag_test
     5  
     6  import (
     7  	"github.com/juju/errors"
     8  	"github.com/juju/juju/worker/lifeflag"
     9  	"github.com/juju/testing"
    10  	jc "github.com/juju/testing/checkers"
    11  	gc "gopkg.in/check.v1"
    12  )
    13  
    14  type ValidateSuite struct {
    15  	testing.IsolationSuite
    16  }
    17  
    18  var _ = gc.Suite(&ValidateSuite{})
    19  
    20  func (*ValidateSuite) TestValidConfig(c *gc.C) {
    21  	config := validConfig()
    22  	err := config.Validate()
    23  	c.Check(err, jc.ErrorIsNil)
    24  }
    25  
    26  func (*ValidateSuite) TestNilFacade(c *gc.C) {
    27  	config := validConfig()
    28  	config.Facade = nil
    29  	checkInvalid(c, config, "nil Facade not valid")
    30  }
    31  
    32  func (*ValidateSuite) TestNilEntity(c *gc.C) {
    33  	config := validConfig()
    34  	config.Entity = nil
    35  	checkInvalid(c, config, "nil Entity not valid")
    36  }
    37  
    38  func (*ValidateSuite) TestNilResult(c *gc.C) {
    39  	config := validConfig()
    40  	config.Result = nil
    41  	checkInvalid(c, config, "nil Result not valid")
    42  }
    43  
    44  func checkInvalid(c *gc.C, config lifeflag.Config, message string) {
    45  	check := func(err error) {
    46  		c.Check(err, jc.Satisfies, errors.IsNotValid)
    47  		c.Check(err, gc.ErrorMatches, message)
    48  	}
    49  	err := config.Validate()
    50  	check(err)
    51  
    52  	worker, err := lifeflag.New(config)
    53  	c.Check(worker, gc.IsNil)
    54  	check(err)
    55  }
    56  
    57  func validConfig() lifeflag.Config {
    58  	return lifeflag.Config{
    59  		Facade: struct{ lifeflag.Facade }{},
    60  		Entity: testEntity,
    61  		Result: explode,
    62  	}
    63  }