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// Copyright 2016 Google LLC
//
// 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 iam
import (
"fmt"
"sort"
"testing"
"cloud.google.com/go/internal/testutil"
)
func TestPolicy(t *testing.T) {
p := &Policy{}
add := func(member string, role RoleName) {
p.Add(member, role)
}
remove := func(member string, role RoleName) {
p.Remove(member, role)
}
if msg, ok := checkMembers(p, Owner, nil); !ok {
t.Fatal(msg)
}
add("m1", Owner)
if msg, ok := checkMembers(p, Owner, []string{"m1"}); !ok {
t.Fatal(msg)
}
add("m2", Owner)
if msg, ok := checkMembers(p, Owner, []string{"m1", "m2"}); !ok {
t.Fatal(msg)
}
add("m1", Owner) // duplicate adds ignored
if msg, ok := checkMembers(p, Owner, []string{"m1", "m2"}); !ok {
t.Fatal(msg)
}
// No other roles populated yet.
if msg, ok := checkMembers(p, Viewer, nil); !ok {
t.Fatal(msg)
}
remove("m1", Owner)
if msg, ok := checkMembers(p, Owner, []string{"m2"}); !ok {
t.Fatal(msg)
}
if msg, ok := checkMembers(p, Viewer, nil); !ok {
t.Fatal(msg)
}
remove("m3", Owner) // OK to remove non-existent member.
if msg, ok := checkMembers(p, Owner, []string{"m2"}); !ok {
t.Fatal(msg)
}
remove("m2", Owner)
if msg, ok := checkMembers(p, Owner, nil); !ok {
t.Fatal(msg)
}
if got, want := p.Roles(), []RoleName(nil); !testutil.Equal(got, want) {
t.Fatalf("roles: got %v, want %v", got, want)
}
}
func checkMembers(p *Policy, role RoleName, wantMembers []string) (string, bool) {
gotMembers := p.Members(role)
sort.Strings(gotMembers)
sort.Strings(wantMembers)
if !testutil.Equal(gotMembers, wantMembers) {
return fmt.Sprintf("got %v, want %v", gotMembers, wantMembers), false
}
for _, m := range wantMembers {
if !p.HasRole(m, role) {
return fmt.Sprintf("member %q should have role %s but does not", m, role), false
}
}
return "", true
}
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