github.com/niedbalski/juju@v0.0.0-20190215020005-8ff100488e47/api/uniter/unitstorage_test.go (about)

     1  // Copyright 2015 Canonical Ltd.
     2  // Licensed under the AGPLv3, see LICENCE file for details.
     3  
     4  package uniter_test
     5  
     6  import (
     7  	"github.com/juju/errors"
     8  	jc "github.com/juju/testing/checkers"
     9  	gc "gopkg.in/check.v1"
    10  	"gopkg.in/juju/names.v2"
    11  
    12  	basetesting "github.com/juju/juju/api/base/testing"
    13  	"github.com/juju/juju/api/uniter"
    14  	"github.com/juju/juju/apiserver/params"
    15  	coretesting "github.com/juju/juju/testing"
    16  )
    17  
    18  type unitStorageSuite struct {
    19  	coretesting.BaseSuite
    20  }
    21  
    22  var _ = gc.Suite(&unitStorageSuite{})
    23  
    24  const expectedAPIVersion = 9
    25  
    26  func (s *unitStorageSuite) createTestUnit(c *gc.C, t string, apiCaller basetesting.APICallerFunc) *uniter.Unit {
    27  	tag := names.NewUnitTag(t)
    28  	st := uniter.NewState(apiCaller, tag)
    29  	return uniter.CreateUnit(st, tag)
    30  }
    31  
    32  func (s *unitStorageSuite) TestAddUnitStorage(c *gc.C) {
    33  	count := uint64(1)
    34  	args := map[string][]params.StorageConstraints{
    35  		"data": {
    36  			{Count: &count}},
    37  	}
    38  
    39  	expected := params.StoragesAddParams{
    40  		Storages: []params.StorageAddParams{
    41  			{"unit-mysql-0", "data", params.StorageConstraints{Count: &count}},
    42  		},
    43  	}
    44  
    45  	apiCaller := basetesting.APICallerFunc(func(objType string, version int, id, request string, arg, result interface{}) error {
    46  		c.Assert(objType, gc.Equals, "Uniter")
    47  		c.Assert(version, gc.Equals, expectedAPIVersion)
    48  		c.Assert(id, gc.Equals, "")
    49  		c.Assert(request, gc.Equals, "AddUnitStorage")
    50  		c.Assert(arg, gc.DeepEquals, expected)
    51  		c.Assert(result, gc.FitsTypeOf, &params.ErrorResults{})
    52  		*(result.(*params.ErrorResults)) = params.ErrorResults{
    53  			Results: []params.ErrorResult{{
    54  				Error: &params.Error{Message: "yoink"},
    55  			}},
    56  		}
    57  		return nil
    58  	})
    59  	u := s.createTestUnit(c, "mysql/0", apiCaller)
    60  	err := u.AddStorage(args)
    61  	c.Assert(err, gc.ErrorMatches, "yoink")
    62  }
    63  
    64  func (s *unitStorageSuite) TestAddUnitStorageError(c *gc.C) {
    65  	count := uint64(1)
    66  	args := map[string][]params.StorageConstraints{
    67  		"data": {{Count: &count}},
    68  	}
    69  
    70  	expected := params.StoragesAddParams{
    71  		Storages: []params.StorageAddParams{
    72  			{"unit-mysql-0", "data", params.StorageConstraints{Count: &count}},
    73  		},
    74  	}
    75  
    76  	var called bool
    77  	msg := "yoink"
    78  	apiCaller := basetesting.APICallerFunc(func(objType string, version int, id, request string, arg, result interface{}) error {
    79  		c.Assert(objType, gc.Equals, "Uniter")
    80  		c.Assert(version, gc.Equals, expectedAPIVersion)
    81  		c.Assert(id, gc.Equals, "")
    82  		c.Assert(request, gc.Equals, "AddUnitStorage")
    83  		c.Assert(arg, gc.DeepEquals, expected)
    84  		called = true
    85  
    86  		c.Assert(result, gc.FitsTypeOf, &params.ErrorResults{})
    87  		return errors.New(msg)
    88  	})
    89  
    90  	u := s.createTestUnit(c, "mysql/0", apiCaller)
    91  	err := u.AddStorage(args)
    92  	c.Assert(err, gc.ErrorMatches, msg)
    93  	c.Assert(called, jc.IsTrue)
    94  }