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// Copyright 2016 The Vanadium 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 vsync
import (
"github.com/stretchr/testify/assert"
"reflect"
"sort"
"testing"
"v.io/v23/security"
"v.io/v23/security/access"
)
func TestResolvePermissions(t *testing.T) {
ancestor := access.Permissions{}
left := access.Permissions{}
right := access.Permissions{}
expected := access.Permissions{}
ancestor["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob"}, NotIn: []string{"bob:bad"}}
ancestor["W"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob"}, NotIn: []string{"bob:bad"}}
left["A"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob"}, NotIn: []string{"bob:bad"}}
left["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob", "carol"}, NotIn: []string{"bob:bad"}}
right["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob", "don"}, NotIn: []string{"bob:bad"}}
right["W"] = access.AccessList{In: []security.BlessingPattern{"eric"}, NotIn: []string{"bob:bad"}}
right["Z"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob"}, NotIn: []string{"bob:bad"}}
expected["A"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob"}, NotIn: []string{"bob:bad"}}
expected["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob", "carol", "don"}, NotIn: []string{"bob:bad"}}
expected["W"] = access.AccessList{In: []security.BlessingPattern{"eric"}, NotIn: nil}
expected["Z"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob"}, NotIn: []string{"bob:bad"}}
result := resolvePermissions(left, right, ancestor)
assertPermsEqual(t, expected, result)
}
func TestResolvePermissionsRemovals(t *testing.T) {
ancestor := access.Permissions{}
left := access.Permissions{}
right := access.Permissions{}
expected := access.Permissions{}
ancestor["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob", "carol", "don"}, NotIn: []string{"bob:bad"}}
left["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob", "carol"}, NotIn: []string{"bob:bad"}}
right["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob", "don"}, NotIn: []string{"bob:bad"}}
expected["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob"}, NotIn: []string{"bob:bad"}}
result := resolvePermissions(left, right, ancestor)
assertPermsEqual(t, expected, result)
ancestor["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob"}, NotIn: []string{"bob:bad"}}
left["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob", "carol"}, NotIn: []string{"bob:bad"}}
right["R"] = access.AccessList{In: []security.BlessingPattern{"bob"}, NotIn: []string{"bob:bad"}}
expected["R"] = access.AccessList{In: []security.BlessingPattern{"bob", "carol"}, NotIn: []string{"bob:bad"}}
result = resolvePermissions(left, right, ancestor)
assertPermsEqual(t, expected, result)
}
func TestResolvePermissionsDroppedTags(t *testing.T) {
ancestor := access.Permissions{}
left := access.Permissions{}
right := access.Permissions{}
expected := access.Permissions{}
ancestor["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob", "carol", "don"}, NotIn: []string{"bob:bad"}}
left["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob"}, NotIn: []string{"bob:bad"}}
right["R"] = access.AccessList{In: []security.BlessingPattern{"carol", "don"}, NotIn: []string{"bob:bad"}}
expected["R"] = access.AccessList{In: nil, NotIn: []string{"bob:bad"}}
result := resolvePermissions(left, right, ancestor)
assertPermsEqual(t, expected, result)
ancestor["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob", "carol", "don"}, NotIn: []string{"bob:bad"}}
left["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob"}, NotIn: nil}
right["R"] = access.AccessList{In: []security.BlessingPattern{"carol", "don"}, NotIn: nil}
expected = access.Permissions{}
result = resolvePermissions(left, right, ancestor)
assertPermsEqual(t, expected, result)
}
func TestResolvePermissionsNoAncestor(t *testing.T) {
var ancestor access.Permissions
left := access.Permissions{}
right := access.Permissions{}
expected := access.Permissions{}
left["A"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob"}, NotIn: []string{"bob:bad"}}
left["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob", "carol"}, NotIn: []string{"bob:bad"}}
left["W"] = access.AccessList{In: []security.BlessingPattern{"bob"}, NotIn: []string{"bob:bad"}}
right["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob", "don"}, NotIn: []string{"bob:bad"}}
right["W"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob", "eric"}, NotIn: []string{"bob:bad"}}
right["Z"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob"}, NotIn: []string{"bob:bad"}}
expected["A"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob"}, NotIn: []string{"bob:bad"}}
expected["R"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob", "carol", "don"}, NotIn: []string{"bob:bad"}}
expected["W"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob", "eric"}, NotIn: []string{"bob:bad"}}
expected["Z"] = access.AccessList{In: []security.BlessingPattern{"alice", "bob"}, NotIn: []string{"bob:bad"}}
result := resolvePermissions(left, right, ancestor)
assertPermsEqual(t, expected, result)
}
func TestResolveSlice(t *testing.T) {
ancestor := []string{"a", "b"}
left := []string{"b"}
right := []string{"a", "b", "e"}
expected := []string{"b", "e"}
result := resolveSlice(left, right, ancestor)
sort.Strings(expected)
sort.Strings(result)
assert.Equal(t, expected, result)
ancestor = []string{"a", "b", "c"}
left = []string{"a", "b", "d"}
right = []string{"b", "c", "e"}
expected = []string{"b", "d", "e"}
result = resolveSlice(left, right, ancestor)
sort.Strings(expected)
sort.Strings(result)
assert.Equal(t, expected, result)
// Empty left.
ancestor = []string{"a", "b"}
left = nil
right = []string{"b", "c", "e"}
expected = []string{"c", "e"}
result = resolveSlice(left, right, ancestor)
sort.Strings(expected)
sort.Strings(result)
assert.Equal(t, expected, result)
// Empty right.
ancestor = []string{"a", "b"}
left = []string{"b", "c", "e"}
right = nil
expected = []string{"c", "e"}
result = resolveSlice(left, right, ancestor)
sort.Strings(expected)
sort.Strings(result)
assert.Equal(t, expected, result)
// Empty ancestor.
ancestor = nil
left = []string{"b", "c", "e"}
right = []string{"a", "b"}
expected = []string{"a", "b", "c", "e"}
result = resolveSlice(left, right, ancestor)
sort.Strings(expected)
sort.Strings(result)
assert.Equal(t, expected, result)
}
func assertPermsEqual(t *testing.T, expected, actual access.Permissions) {
assert.True(t, reflect.DeepEqual(expected, actual))
}