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cached_enforcer_spec.lua
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cached_enforcer_spec.lua
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--Copyright 2021 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.
local CachedEnforcer = require("src.main.CachedEnforcer")
local path = os.getenv("PWD") or io.popen("cd"):read()
describe("Cached Enforcer tests", function ()
it("Test Cache", function ()
local model = path .. "/examples/basic_model.conf"
local policy = path .. "/examples/basic_policy.csv"
local e = CachedEnforcer:new(model, policy)
-- The cache is enabled by default for a new CachedEnforcer.
assert.is.True(e:enforce("alice", "data1", "read"))
assert.is.False(e:enforce("alice", "data1", "write"))
assert.is.False(e:enforce("alice", "data2", "read"))
assert.is.False(e:enforce("alice", "data2", "write"))
-- The cache is enabled, so even if we remove a policy rule, the decision
-- for ("alice", "data1", "read") will still be true, as it uses the cached result.
e:RemovePolicy("alice", "data1", "read")
assert.is.False(e:enforce("alice", "data1", "write"))
assert.is.False(e:enforce("alice", "data2", "read"))
assert.is.False(e:enforce("alice", "data2", "write"))
-- Now we invalidate the cache, then all first-coming Enforce() has to be evaluated in real-time.
-- The decision for ("alice", "data1", "read") will be false now.
e:invalidateCache()
assert.is.False(e:enforce("alice", "data1", "read"))
assert.is.False(e:enforce("alice", "data1", "write"))
assert.is.False(e:enforce("alice", "data2", "read"))
assert.is.False(e:enforce("alice", "data2", "write"))
e:AddPolicy("alice", "data1", "read")
-- Disabling cache skips the cache data and generates result from Enforcer
e:enableCache(false)
assert.is.True(e:enforce("alice", "data1", "read"))
assert.is.False(e:enforce("alice", "data1", "write"))
assert.is.False(e:enforce("alice", "data2", "read"))
assert.is.False(e:enforce("alice", "data2", "write"))
end)
end)