func ExampleReserve() {
err := quota.Create("*****@*****.**", 4)
if err != nil {
panic(err)
}
quota.Reserve("*****@*****.**", "me/0", "me/1", "me/2") // ok
quota.Reserve("*****@*****.**", "me/3", "me/4", "me/5") // ErrQuotaExceeded
}
func (s *S) TestCreateAppForwardWithoutSetting(c *gocheck.C) {
app := App{
Name: "visions",
Platform: "django",
}
previous, err := createAppQuota.Forward(action.FWContext{Params: []interface{}{&app}})
c.Assert(err, gocheck.IsNil)
c.Assert(previous, gocheck.Equals, app.Name)
err = quota.Reserve(app.Name, "visions/0")
c.Assert(err, gocheck.Equals, quota.ErrQuotaNotFound)
}
func (s *S) TestCreateAppQuotaBackward(c *gocheck.C) {
app := App{
Name: "damned",
Platform: "django",
}
err := quota.Create(app.Name, 1)
c.Assert(err, gocheck.IsNil)
defer quota.Delete(app.Name)
createAppQuota.Backward(action.BWContext{FWResult: app.Name})
err = quota.Reserve(app.Name, "something")
c.Assert(err, gocheck.Equals, quota.ErrQuotaNotFound)
}
func (s *S) TestCreateAppQuotaForward(c *gocheck.C) {
config.Set("quota:units-per-app", 2)
defer config.Unset("quota:units-per-app")
app := App{
Name: "visions",
Platform: "django",
}
defer quota.Delete(app.Name)
previous, err := createAppQuota.Forward(action.FWContext{Params: []interface{}{app}})
c.Assert(err, gocheck.IsNil)
c.Assert(previous, gocheck.Equals, app.Name)
items, available, err := quota.Items(app.Name)
c.Assert(err, gocheck.IsNil)
c.Assert(items, gocheck.DeepEquals, []string{"visions-0"})
c.Assert(available, gocheck.Equals, uint(1))
err = quota.Reserve(app.Name, "visions-1")
c.Assert(err, gocheck.IsNil)
err = quota.Reserve(app.Name, "visions-2")
_, ok := err.(*quota.QuotaExceededError)
c.Assert(ok, gocheck.Equals, true)
}
func (s *S) TestReserveUserAppBackward(c *gocheck.C) {
user := auth.User{Email: "*****@*****.**"}
err := quota.Create(user.Email, 1)
c.Assert(err, gocheck.IsNil)
defer quota.Delete(user.Email)
app := App{
Name: "clap",
Platform: "django",
}
err = quota.Reserve(user.Email, app.Name)
c.Assert(err, gocheck.IsNil)
ctx := action.BWContext{
FWResult: map[string]string{
"app": app.Name,
"user": user.Email,
},
}
reserveUserApp.Backward(ctx)
err = quota.Reserve(user.Email, app.Name)
c.Assert(err, gocheck.IsNil)
}
func (s *S) TestReserveUserAppForwardAppNotPointer(c *gocheck.C) {
user := auth.User{Email: "*****@*****.**"}
err := quota.Create(user.Email, 1)
c.Assert(err, gocheck.IsNil)
defer quota.Delete(user.Email)
app := App{
Name: "clap",
Platform: "django",
}
expected := map[string]string{"user": user.Email, "app": app.Name}
previous, err := reserveUserApp.Forward(action.FWContext{Params: []interface{}{app, user}})
c.Assert(err, gocheck.IsNil)
c.Assert(previous, gocheck.DeepEquals, expected)
err = quota.Reserve(user.Email, "another-app")
_, ok := err.(*quota.QuotaExceededError)
c.Assert(ok, gocheck.Equals, true)
err = quota.Release(user.Email, app.Name)
c.Assert(err, gocheck.IsNil)
err = quota.Reserve(user.Email, "another-app")
c.Assert(err, gocheck.IsNil)
}
func (s *S) TestCreateAppForwardZeroUnits(c *gocheck.C) {
config.Set("quota:units-per-app", 0)
app := App{
Name: "visions",
Platform: "django",
}
previous, err := createAppQuota.Forward(action.FWContext{Params: []interface{}{&app}})
c.Assert(previous, gocheck.IsNil)
c.Assert(err, gocheck.NotNil)
c.Assert(err.Error(), gocheck.Equals, "app creation is disallowed")
err = quota.Reserve(app.Name, "visions/0")
c.Assert(err, gocheck.Equals, quota.ErrQuotaNotFound)
}
func (s *S) TestCreateAppQuotaForwardPointer(c *gocheck.C) {
config.Set("quota:units-per-app", 2)
defer config.Unset("quota:units-per-app")
app := App{
Name: "visions",
Platform: "django",
}
defer quota.Delete(app.Name)
previous, err := createAppQuota.Forward(action.FWContext{Params: []interface{}{&app}})
c.Assert(err, gocheck.IsNil)
c.Assert(previous, gocheck.Equals, app.Name)
err = quota.Reserve(app.Name, "visions/0")
c.Assert(err, gocheck.IsNil)
}
func (s *S) TestReserveUserAppForwardQuotaExceeded(c *gocheck.C) {
user := auth.User{Email: "*****@*****.**"}
err := quota.Create(user.Email, 1)
c.Assert(err, gocheck.IsNil)
defer quota.Delete(user.Email)
err = quota.Reserve(user.Email, "anything")
c.Assert(err, gocheck.IsNil)
app := App{
Name: "clap",
Platform: "django",
}
previous, err := reserveUserApp.Forward(action.FWContext{Params: []interface{}{app, user}})
c.Assert(previous, gocheck.IsNil)
_, ok := err.(*quota.QuotaExceededError)
c.Assert(ok, gocheck.Equals, true)
}
func (s *S) TestReserveUnitsToAddBackwardNoPointer(c *gocheck.C) {
app := App{
Name: "visions",
Platform: "django",
}
err := quota.Create(app.Name, 5)
c.Assert(err, gocheck.IsNil)
defer quota.Delete(app.Name)
ids := []string{"visions-0", "visions-1", "visions-2", "visions-3"}
err = quota.Reserve(app.Name, ids...)
c.Assert(err, gocheck.IsNil)
reserveUnitsToAdd.Backward(action.BWContext{Params: []interface{}{app, 3}, FWResult: ids})
items, avail, err := quota.Items(app.Name)
c.Assert(err, gocheck.IsNil)
c.Assert(avail, gocheck.Equals, uint(5))
c.Assert(items, gocheck.HasLen, 0)
}
func (QuotaSuite) TestQuotaByOwner(c *gocheck.C) {
err := quota.Create("*****@*****.**", 3)
c.Assert(err, gocheck.IsNil)
err = quota.Reserve("*****@*****.**", "tank/1")
c.Assert(err, gocheck.IsNil)
recorder := httptest.NewRecorder()
request, err := http.NewRequest("GET", "/quota/[email protected]?:[email protected]", nil)
c.Assert(err, gocheck.IsNil)
err = quotaByOwner(recorder, request, nil)
c.Assert(err, gocheck.IsNil)
c.Assert(recorder.Code, gocheck.Equals, http.StatusOK)
body, err := ioutil.ReadAll(recorder.Body)
c.Assert(err, gocheck.IsNil)
result := map[string]interface{}{}
err = json.Unmarshal(body, &result)
c.Assert(err, gocheck.IsNil)
c.Assert(result["available"], gocheck.Equals, float64(2))
c.Assert(result["items"], gocheck.DeepEquals, []interface{}{"tank/1"})
}
func ExampleSet() {
err := quota.Create("*****@*****.**", 3)
if err != nil {
panic(err)
}
quota.Reserve("*****@*****.**", "me/0")
quota.Reserve("*****@*****.**", "me/1")
quota.Reserve("*****@*****.**", "me/2")
quota.Set("*****@*****.**", 2)
quota.Reserve("*****@*****.**", "me/3") // ErrQuotaExceeded
quota.Release("*****@*****.**", "me/2")
quota.Reserve("*****@*****.**", "me/3") // ErrQuotaExceeded
quota.Release("*****@*****.**", "me/1")
quota.Reserve("*****@*****.**", "me/3") // Everything is ok now
}
app = ctx.Params[0].(App)
case *App:
app = *ctx.Params[0].(*App)
default:
return nil, errors.New("First parameter must be App or *App.")
}
var user auth.User
switch ctx.Params[1].(type) {
case auth.User:
user = ctx.Params[1].(auth.User)
case *auth.User:
user = *ctx.Params[1].(*auth.User)
default:
return nil, errors.New("Third parameter must be auth.User or *auth.User.")
}
if err := quota.Reserve(user.Email, app.Name); err != nil && err != quota.ErrQuotaNotFound {
return nil, err
}
return map[string]string{"app": app.Name, "user": user.Email}, nil
},
Backward: func(ctx action.BWContext) {
m := ctx.FWResult.(map[string]string)
quota.Release(m["user"], m["app"])
},
MinParams: 2,
}
var createAppQuota = action.Action{
Name: "create-app-quota",
Forward: func(ctx action.FWContext) (action.Result, error) {
var app App