github.com/wallyworld/juju@v0.0.0-20161013125918-6cf1bc9d917a/api/uniter/uniter_test.go (about)

     1  // Copyright 2013 Canonical Ltd.
     2  // Licensed under the AGPLv3, see LICENCE file for details.
     3  
     4  package uniter_test
     5  
     6  import (
     7  	jc "github.com/juju/testing/checkers"
     8  	"github.com/juju/utils"
     9  	gc "gopkg.in/check.v1"
    10  	"gopkg.in/juju/names.v2"
    11  
    12  	"github.com/juju/juju/api"
    13  	"github.com/juju/juju/api/base"
    14  	"github.com/juju/juju/api/uniter"
    15  	"github.com/juju/juju/juju/testing"
    16  	"github.com/juju/juju/state"
    17  )
    18  
    19  // NOTE: This suite is intended for embedding into other suites,
    20  // so common code can be reused. Do not add test cases to it,
    21  // otherwise they'll be run by each other suite that embeds it.
    22  type uniterSuite struct {
    23  	testing.JujuConnSuite
    24  
    25  	st                api.Connection
    26  	controllerMachine *state.Machine
    27  	wordpressMachine  *state.Machine
    28  	wordpressService  *state.Application
    29  	wordpressCharm    *state.Charm
    30  	wordpressUnit     *state.Unit
    31  
    32  	uniter *uniter.State
    33  }
    34  
    35  var _ = gc.Suite(&uniterSuite{})
    36  
    37  func (s *uniterSuite) SetUpTest(c *gc.C) {
    38  	s.setUpTest(c, true)
    39  }
    40  
    41  func (s *uniterSuite) setUpTest(c *gc.C, addController bool) {
    42  	s.JujuConnSuite.SetUpTest(c)
    43  
    44  	if addController {
    45  		s.controllerMachine = testing.AddControllerMachine(c, s.State)
    46  	}
    47  
    48  	// Bind "db" relation of wordpress to space "internal",
    49  	// and the "admin-api" extra-binding to space "public".
    50  	bindings := map[string]string{
    51  		"db":        "internal",
    52  		"admin-api": "public",
    53  	}
    54  	_, err := s.State.AddSpace("internal", "", nil, false)
    55  	c.Assert(err, jc.ErrorIsNil)
    56  	_, err = s.State.AddSpace("public", "", nil, true)
    57  	c.Assert(err, jc.ErrorIsNil)
    58  
    59  	// Create a machine, a service and add a unit so we can log in as
    60  	// its agent.
    61  	s.wordpressMachine, s.wordpressService, s.wordpressCharm, s.wordpressUnit = s.addMachineBoundServiceCharmAndUnit(c, "wordpress", bindings)
    62  	password, err := utils.RandomPassword()
    63  	c.Assert(err, jc.ErrorIsNil)
    64  	err = s.wordpressUnit.SetPassword(password)
    65  	c.Assert(err, jc.ErrorIsNil)
    66  	s.st = s.OpenAPIAs(c, s.wordpressUnit.Tag(), password)
    67  
    68  	// Create the uniter API facade.
    69  	s.uniter, err = s.st.Uniter()
    70  	c.Assert(err, jc.ErrorIsNil)
    71  	c.Assert(s.uniter, gc.NotNil)
    72  }
    73  
    74  func (s *uniterSuite) addMachineBoundServiceCharmAndUnit(c *gc.C, serviceName string, bindings map[string]string) (*state.Machine, *state.Application, *state.Charm, *state.Unit) {
    75  	machine, err := s.State.AddMachine("quantal", state.JobHostUnits)
    76  	c.Assert(err, jc.ErrorIsNil)
    77  	charm := s.AddTestingCharm(c, serviceName)
    78  
    79  	service, err := s.State.AddApplication(state.AddApplicationArgs{
    80  		Name:             serviceName,
    81  		Charm:            charm,
    82  		EndpointBindings: bindings,
    83  	})
    84  	c.Assert(err, jc.ErrorIsNil)
    85  
    86  	unit, err := service.AddUnit()
    87  	c.Assert(err, jc.ErrorIsNil)
    88  
    89  	err = unit.AssignToMachine(machine)
    90  	c.Assert(err, jc.ErrorIsNil)
    91  
    92  	return machine, service, charm, unit
    93  }
    94  
    95  func (s *uniterSuite) addMachineServiceCharmAndUnit(c *gc.C, serviceName string) (*state.Machine, *state.Application, *state.Charm, *state.Unit) {
    96  	return s.addMachineBoundServiceCharmAndUnit(c, serviceName, nil)
    97  }
    98  
    99  func (s *uniterSuite) addRelation(c *gc.C, first, second string) *state.Relation {
   100  	eps, err := s.State.InferEndpoints(first, second)
   101  	c.Assert(err, jc.ErrorIsNil)
   102  	rel, err := s.State.AddRelation(eps...)
   103  	c.Assert(err, jc.ErrorIsNil)
   104  	return rel
   105  }
   106  
   107  func (s *uniterSuite) addRelatedService(c *gc.C, firstSvc, relatedSvc string, unit *state.Unit) (*state.Relation, *state.Application, *state.Unit) {
   108  	relatedService := s.AddTestingService(c, relatedSvc, s.AddTestingCharm(c, relatedSvc))
   109  	rel := s.addRelation(c, firstSvc, relatedSvc)
   110  	relUnit, err := rel.Unit(unit)
   111  	c.Assert(err, jc.ErrorIsNil)
   112  	err = relUnit.EnterScope(nil)
   113  	c.Assert(err, jc.ErrorIsNil)
   114  	relatedUnit, err := s.State.Unit(relatedSvc + "/0")
   115  	c.Assert(err, jc.ErrorIsNil)
   116  	return rel, relatedService, relatedUnit
   117  }
   118  
   119  func (s *uniterSuite) assertInScope(c *gc.C, relUnit *state.RelationUnit, inScope bool) {
   120  	ok, err := relUnit.InScope()
   121  	c.Assert(err, jc.ErrorIsNil)
   122  	c.Assert(ok, gc.Equals, inScope)
   123  }
   124  
   125  func (s *uniterSuite) patchNewState(
   126  	c *gc.C,
   127  	patchFunc func(_ base.APICaller, _ names.UnitTag) *uniter.State,
   128  ) {
   129  	s.PatchValue(&uniter.NewState, patchFunc)
   130  	var err error
   131  	s.uniter, err = s.st.Uniter()
   132  	c.Assert(err, jc.ErrorIsNil)
   133  	c.Assert(s.uniter, gc.NotNil)
   134  }