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// Copyright 2018 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 (
"sync"
"testing"
"time"
)
func testSyncEnforceCache(t *testing.T, e *SyncedCachedEnforcer, sub string, obj interface{}, act string, res bool) {
t.Helper()
if myRes, _ := e.Enforce(sub, obj, act); myRes != res {
t.Errorf("%s, %v, %s: %t, supposed to be %t", sub, obj, act, myRes, res)
}
}
func TestSyncCache(t *testing.T) {
e, _ := NewSyncedCachedEnforcer("examples/basic_model.conf", "examples/basic_policy.csv")
e.expireTime = time.Millisecond
// The cache is enabled by default for NewCachedEnforcer.
g := sync.WaitGroup{}
goThread := 1000
g.Add(goThread)
for i := 0; i < goThread; i++ {
go func() {
_, _ = e.AddPolicy("alice", "data2", "read")
testSyncEnforceCache(t, e, "alice", "data2", "read", true)
if e.InvalidateCache() != nil {
panic("never reached")
}
g.Done()
}()
}
g.Wait()
_, _ = e.RemovePolicy("alice", "data2", "read")
testSyncEnforceCache(t, e, "alice", "data1", "read", true)
time.Sleep(time.Millisecond * 2) // coverage for expire
testSyncEnforceCache(t, e, "alice", "data1", "read", true)
testSyncEnforceCache(t, e, "alice", "data1", "write", false)
testSyncEnforceCache(t, e, "alice", "data2", "read", false)
testSyncEnforceCache(t, e, "alice", "data2", "write", false)
// The cache is enabled, calling RemovePolicy, LoadPolicy or RemovePolicies will
// also operate cached items.
_, _ = e.RemovePolicy("alice", "data1", "read")
testSyncEnforceCache(t, e, "alice", "data1", "read", false)
testSyncEnforceCache(t, e, "alice", "data1", "write", false)
testSyncEnforceCache(t, e, "alice", "data2", "read", false)
testSyncEnforceCache(t, e, "alice", "data2", "write", false)
e, _ = NewSyncedCachedEnforcer("examples/rbac_model.conf", "examples/rbac_policy.csv")
testSyncEnforceCache(t, e, "alice", "data1", "read", true)
testSyncEnforceCache(t, e, "bob", "data2", "write", true)
testSyncEnforceCache(t, e, "alice", "data2", "read", true)
testSyncEnforceCache(t, e, "alice", "data2", "write", true)
_, _ = e.RemovePolicies([][]string{
{"alice", "data1", "read"},
{"bob", "data2", "write"},
})
testSyncEnforceCache(t, e, "alice", "data1", "read", false)
testSyncEnforceCache(t, e, "bob", "data2", "write", false)
testSyncEnforceCache(t, e, "alice", "data2", "read", true)
testSyncEnforceCache(t, e, "alice", "data2", "write", true)
}
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