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// Copyright 2017 The casbin Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package casbin
import "testing"
type SampleWatcher struct {
callback func(string)
}
func (w *SampleWatcher) Close() {
}
func (w *SampleWatcher) SetUpdateCallback(callback func(string)) error {
w.callback = callback
return nil
}
func (w *SampleWatcher) Update() error {
if w.callback != nil {
w.callback("")
}
return nil
}
func TestSetWatcher(t *testing.T) {
e, err := NewEnforcer("examples/rbac_model.conf", "examples/rbac_policy.csv")
if err != nil {
t.Fatal(err)
}
sampleWatcher := &SampleWatcher{}
err = e.SetWatcher(sampleWatcher)
if err != nil {
t.Fatal(err)
}
err = e.SavePolicy() // calls watcher.Update()
if err != nil {
t.Fatal(err)
}
}
func TestSelfModify(t *testing.T) {
e, err := NewEnforcer("examples/rbac_model.conf", "examples/rbac_policy.csv")
if err != nil {
t.Fatal(err)
}
sampleWatcher := &SampleWatcher{}
err = e.SetWatcher(sampleWatcher)
if err != nil {
t.Fatal(err)
}
var called int
called = -1
_ = e.watcher.SetUpdateCallback(func(s string) {
called = 1
})
_, err = e.AddPolicy("eva", "data", "read") // calls watcher.Update()
if err != nil {
t.Fatal(err)
}
if called != 1 {
t.Fatal("callback should be called")
}
called = -1
_ = e.watcher.SetUpdateCallback(func(s string) {
called = 1
})
_, err = e.SelfAddPolicy("p", "p", []string{"eva", "data", "write"}) // calls watcher.Update()
if err != nil {
t.Fatal(err)
}
if called != -1 {
t.Fatal("callback should not be called")
}
}
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