forked from albertoleal/features
/
features_test.go
284 lines (232 loc) · 6.38 KB
/
features_test.go
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// Copyright 2015 Features authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package features_test
import (
"hash/crc32"
"testing"
"github.com/albertoleal/features"
"github.com/albertoleal/features/engine"
"github.com/albertoleal/features/engine/memory"
. "github.com/albertoleal/features/Godeps/_workspace/src/gopkg.in/check.v1"
)
type S struct {
Features features.Features
}
var _ = Suite(&S{})
//Hook up gocheck into the "go test" runner.
func Test(t *testing.T) { TestingT(t) }
func (s *S) SetUpTest(c *C) {
s.Features = features.New(memory.New())
}
func (s *S) TestSave(c *C) {
key := "feature-key"
feature := engine.FeatureFlag{
Key: key,
Enabled: true,
}
s.Features.Save(feature)
active, err := s.Features.IsEnabled(key)
c.Assert(active, Equals, true)
c.Check(err, IsNil)
}
func (s *S) TestSaveWithInvalidData(c *C) {
feature := engine.FeatureFlag{
Key: "",
Enabled: false,
}
c.Check(s.Features.Save(feature), Not(IsNil))
}
func (s *S) TestDelete(c *C) {
key := "feature-key"
err := s.Features.Delete(key)
c.Check(err, Not(IsNil))
feature := engine.FeatureFlag{
Key: key,
Enabled: true,
}
s.Features.Save(feature)
err = s.Features.Delete(key)
c.Check(err, IsNil)
}
func (s *S) TestFind(c *C) {
key := "feature-key"
ff, err := s.Features.Find(key)
c.Check(ff, IsNil)
c.Check(err, Not(IsNil))
feature := engine.FeatureFlag{
Key: key,
Enabled: true,
}
s.Features.Save(feature)
ff, err = s.Features.Find(key)
c.Assert(ff, DeepEquals, &feature)
c.Check(err, IsNil)
}
func (s *S) TestList(c *C) {
ffs, err := s.Features.List()
c.Assert(len(ffs), Equals, 0)
c.Check(err, IsNil)
feature := engine.FeatureFlag{
Key: "feature-key",
Enabled: true,
}
s.Features.Save(feature)
ffs, err = s.Features.List()
c.Assert(len(ffs), Equals, 1)
c.Check(err, IsNil)
}
func (s *S) TestIsEnabled(c *C) {
// Invalid Key
key := "feature-key"
active, err := s.Features.IsEnabled(key)
c.Assert(active, Equals, false)
c.Check(err, Not(IsNil))
// Enabled
feature := engine.FeatureFlag{
Key: key,
Enabled: true,
}
s.Features.Save(feature)
active, err = s.Features.IsEnabled(key)
c.Assert(active, Equals, true)
c.Check(err, IsNil)
// Disabled
feature = engine.FeatureFlag{
Key: key,
Enabled: false,
}
s.Features.Save(feature)
active, err = s.Features.IsEnabled(key)
c.Assert(active, Equals, false)
c.Check(err, IsNil)
}
func (s *S) TestIsEnabledWithPercentage(c *C) {
key := "feature-key"
feature := engine.FeatureFlag{
Key: key,
Enabled: true,
Percentage: 50,
}
s.Features.Save(feature)
active, err := s.Features.IsEnabled(key)
c.Assert(active, Equals, false)
c.Check(err, Not(IsNil))
}
func (s *S) TestIsDisabled(c *C) {
// Invalid Key
key := "feature-key"
inactive, err := s.Features.IsDisabled(key)
c.Assert(inactive, Equals, true)
c.Check(err, Not(IsNil))
// Disabled
feature := engine.FeatureFlag{
Key: key,
Enabled: false,
}
s.Features.Save(feature)
inactive, err = s.Features.IsDisabled(key)
c.Assert(inactive, Equals, true)
c.Check(err, IsNil)
// Enabled
feature = engine.FeatureFlag{
Key: key,
Enabled: true,
}
s.Features.Save(feature)
inactive, err = s.Features.IsDisabled(key)
c.Assert(inactive, Equals, false)
c.Check(err, IsNil)
}
func (s *S) TestIsDisabledWithPercentage(c *C) {
key := "feature-key"
feature := engine.FeatureFlag{
Key: key,
Enabled: false,
Percentage: 50,
}
s.Features.Save(feature)
inactive, err := s.Features.IsDisabled(key)
c.Assert(inactive, Equals, true)
c.Check(err, Not(IsNil))
}
func (s *S) TestWith(c *C) {
var status bool = true
key := "feature-key"
s.Features.With(key, func() {
status = false
})
c.Assert(status, Equals, true)
// Set the Feature Flag as enabled
feature := engine.FeatureFlag{
Key: key,
Enabled: true,
}
s.Features.Save(feature)
s.Features.With(key, func() {
status = false
})
c.Assert(status, Equals, false)
}
func (s *S) TestWithout(c *C) {
var status bool
s.Features.Without("Invalid Key", func() {
status = true
})
c.Assert(status, Equals, true)
}
func (s *S) TestUserHasAccessWhenTheFeatureIsNotFound(c *C) {
key := "feature-key"
email := "alice@example.org"
c.Assert(s.Features.UserHasAccess(key, email), Equals, false)
}
func (s *S) TestUserHasAccessWhenTheFeatureIsEnabled(c *C) {
key := "feature-key"
email := "alice@example.org"
feature, err := engine.NewFeatureFlag(key, true, []*engine.User{&engine.User{Id: email}}, 0)
err = s.Features.Save(*feature)
c.Check(err, IsNil)
c.Assert(s.Features.UserHasAccess(key, email), Equals, true)
}
func (s *S) TestUserHasAccessWhenTheFeatureIsDisabled(c *C) {
key := "feature-key"
email := "alice@example.org"
feature, err := engine.NewFeatureFlag(key, false, []*engine.User{&engine.User{Id: email}}, 0)
err = s.Features.Save(*feature)
c.Check(err, IsNil)
c.Assert(s.Features.UserHasAccess(key, email), Equals, true)
}
func (s *S) TestUserHasAccessWithSpecificUser(c *C) {
key := "feature-key"
email := "alice@example.org"
feature, err := engine.NewFeatureFlag(key, true, []*engine.User{&engine.User{Id: email}}, 0)
err = s.Features.Save(*feature)
c.Check(err, IsNil)
c.Assert(s.Features.UserHasAccess(key, email), Equals, true)
// If the feature is enabled for a specific user, it should be considered inactive overall.
active, err := s.Features.IsEnabled(key)
c.Assert(active, Equals, false)
c.Check(err, Not(IsNil))
}
func (s *S) TestUserHasAccessWithPercentage(c *C) {
key := "feature-key"
email := "alice@example.org"
percentage := crc32.ChecksumIEEE([]byte(email)) % 100
feature, err := engine.NewFeatureFlag(key, true, []*engine.User{}, percentage-1)
err = s.Features.Save(*feature)
c.Check(err, IsNil)
c.Assert(s.Features.UserHasAccess(key, email), Equals, false)
feature, err = engine.NewFeatureFlag(key, true, []*engine.User{}, percentage)
err = s.Features.Save(*feature)
c.Check(err, IsNil)
c.Assert(s.Features.UserHasAccess(key, email), Equals, true)
}
func (s *S) TestUserHasAccessWhenFeatureIsDisabledWithPercentage(c *C) {
key := "feature-key"
email := "alice@example.org"
percentage := crc32.ChecksumIEEE([]byte(email)) % 100
feature, err := engine.NewFeatureFlag(key, false, []*engine.User{}, percentage)
err = s.Features.Save(*feature)
c.Check(err, IsNil)
c.Assert(s.Features.UserHasAccess(key, email), Equals, false)
}