mirror of
https://github.com/etcd-io/etcd.git
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ad2111a6f4
This commit change the type of cached permission information from the home made thing to interval tree. It improves computational complexity of permission checking from O(n) to O(lg n).
60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
// Copyright 2016 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package auth
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import (
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"testing"
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"github.com/coreos/etcd/auth/authpb"
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"github.com/coreos/etcd/pkg/adt"
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)
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func TestRangePermission(t *testing.T) {
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tests := []struct {
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perms []adt.Interval
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begin string
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end string
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want bool
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}{
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{
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[]adt.Interval{adt.NewStringInterval("a", "c"), adt.NewStringInterval("x", "z")},
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"a", "z",
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false,
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},
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{
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[]adt.Interval{adt.NewStringInterval("a", "f"), adt.NewStringInterval("c", "d"), adt.NewStringInterval("f", "z")},
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"a", "z",
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true,
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},
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{
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[]adt.Interval{adt.NewStringInterval("a", "d"), adt.NewStringInterval("a", "b"), adt.NewStringInterval("c", "f")},
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"a", "f",
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true,
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},
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}
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for i, tt := range tests {
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readPerms := &adt.IntervalTree{}
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for _, p := range tt.perms {
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readPerms.Insert(p, struct{}{})
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}
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result := checkKeyInterval(&unifiedRangePermissions{readPerms: readPerms}, tt.begin, tt.end, authpb.READ)
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if result != tt.want {
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t.Errorf("#%d: result=%t, want=%t", i, result, tt.want)
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}
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}
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}
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