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// Copyright 2015 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package unitassigner
import (
"sync"
"github.com/juju/errors"
jc "github.com/juju/testing/checkers"
gc "gopkg.in/check.v1"
"gopkg.in/juju/names.v2"
"github.com/juju/juju/api/base"
"github.com/juju/juju/apiserver/params"
)
var _ = gc.Suite(testsuite{})
type testsuite struct{}
func (testsuite) TestAssignUnits(c *gc.C) {
f := &fakeAssignCaller{c: c, response: params.ErrorResults{
Results: []params.ErrorResult{
{},
{},
}}}
api := New(f)
ids := []names.UnitTag{names.NewUnitTag("mysql/0"), names.NewUnitTag("mysql/1")}
errs, err := api.AssignUnits(ids)
c.Assert(f.request, gc.Equals, "AssignUnits")
c.Assert(f.params, gc.DeepEquals,
params.Entities{[]params.Entity{
{Tag: "unit-mysql-0"},
{Tag: "unit-mysql-1"},
}},
)
c.Assert(err, jc.ErrorIsNil)
c.Assert(errs, gc.DeepEquals, []error{nil, nil})
}
func (testsuite) TestAssignUnitsNotFound(c *gc.C) {
f := &fakeAssignCaller{c: c, response: params.ErrorResults{
Results: []params.ErrorResult{
{Error: ¶ms.Error{Code: params.CodeNotFound}},
}}}
api := New(f)
ids := []names.UnitTag{names.NewUnitTag("mysql/0")}
errs, err := api.AssignUnits(ids)
f.Lock()
c.Assert(f.request, gc.Equals, "AssignUnits")
c.Assert(f.params, gc.DeepEquals,
params.Entities{[]params.Entity{
{Tag: "unit-mysql-0"},
}},
)
c.Assert(err, jc.ErrorIsNil)
c.Assert(errs, gc.HasLen, 1)
c.Assert(errs[0], jc.Satisfies, errors.IsNotFound)
}
func (testsuite) TestWatchUnitAssignment(c *gc.C) {
f := &fakeWatchCaller{
c: c,
response: params.StringsWatchResult{},
}
api := New(f)
w, err := api.WatchUnitAssignments()
f.Lock()
c.Assert(f.request, gc.Equals, "WatchUnitAssignments")
c.Assert(f.params, gc.IsNil)
c.Assert(err, jc.ErrorIsNil)
c.Assert(w, gc.NotNil)
}
type fakeAssignCaller struct {
base.APICaller
sync.Mutex
request string
params interface{}
response params.ErrorResults
err error
c *gc.C
}
func (f *fakeAssignCaller) APICall(objType string, version int, id, request string, param, response interface{}) error {
f.Lock()
defer f.Unlock()
f.request = request
f.params = param
res, ok := response.(*params.ErrorResults)
if !ok {
f.c.Errorf("Expected *params.ErrorResults as response, but was %#v", response)
} else {
*res = f.response
}
return f.err
}
func (*fakeAssignCaller) BestFacadeVersion(facade string) int {
return 1
}
type fakeWatchCaller struct {
base.APICaller
sync.Mutex
request string
params interface{}
response params.StringsWatchResult
err error
c *gc.C
}
func (f *fakeWatchCaller) APICall(objType string, version int, id, request string, param, response interface{}) error {
f.Lock()
defer f.Unlock()
// We only care for the first request as that is all the tests
// assert on. The watcher (StringsWatcher) is continuously
// running and this function gets called repeatedly
// overwriting f.request leading to intermittent failures.
// Fixes: https://bugs.launchpad.net/juju/+bug/1606302
if f.request == "" {
f.request = request
f.params = param
_, ok := response.(*params.StringsWatchResult)
if !ok {
f.c.Errorf("Expected *params.StringsWatchResult as response, but was %#v", response)
}
}
return f.err
}
func (*fakeWatchCaller) BestFacadeVersion(facade string) int {
return 1
}
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