154 lines
3.6 KiB
Go
154 lines
3.6 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package admission
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import (
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"fmt"
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"testing"
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"k8s.io/apimachinery/pkg/runtime/schema"
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)
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type FakeHandler struct {
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*Handler
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name string
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admit bool
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admitCalled bool
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}
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func (h *FakeHandler) Admit(a Attributes) (err error) {
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h.admitCalled = true
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if h.admit {
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return nil
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}
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return fmt.Errorf("Don't admit")
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}
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func makeHandler(name string, admit bool, ops ...Operation) Interface {
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return &FakeHandler{
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name: name,
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admit: admit,
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Handler: NewHandler(ops...),
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}
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}
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func TestAdmit(t *testing.T) {
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tests := []struct {
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name string
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operation Operation
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chain chainAdmissionHandler
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accept bool
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calls map[string]bool
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}{
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{
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name: "all accept",
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operation: Create,
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chain: []Interface{
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makeHandler("a", true, Update, Delete, Create),
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makeHandler("b", true, Delete, Create),
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makeHandler("c", true, Create),
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},
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calls: map[string]bool{"a": true, "b": true, "c": true},
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accept: true,
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},
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{
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name: "ignore handler",
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operation: Create,
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chain: []Interface{
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makeHandler("a", true, Update, Delete, Create),
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makeHandler("b", false, Delete),
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makeHandler("c", true, Create),
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},
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calls: map[string]bool{"a": true, "c": true},
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accept: true,
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},
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{
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name: "ignore all",
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operation: Connect,
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chain: []Interface{
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makeHandler("a", true, Update, Delete, Create),
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makeHandler("b", false, Delete),
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makeHandler("c", true, Create),
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},
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calls: map[string]bool{},
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accept: true,
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},
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{
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name: "reject one",
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operation: Delete,
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chain: []Interface{
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makeHandler("a", true, Update, Delete, Create),
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makeHandler("b", false, Delete),
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makeHandler("c", true, Create),
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},
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calls: map[string]bool{"a": true, "b": true},
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accept: false,
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},
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}
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for _, test := range tests {
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err := test.chain.Admit(NewAttributesRecord(nil, nil, schema.GroupVersionKind{}, "", "", schema.GroupVersionResource{}, "", test.operation, nil))
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accepted := (err == nil)
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if accepted != test.accept {
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t.Errorf("%s: unexpected result of admit call: %v\n", test.name, accepted)
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}
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for _, h := range test.chain {
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fake := h.(*FakeHandler)
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_, shouldBeCalled := test.calls[fake.name]
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if shouldBeCalled != fake.admitCalled {
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t.Errorf("%s: handler %s not called as expected: %v", test.name, fake.name, fake.admitCalled)
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continue
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}
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}
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}
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}
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func TestHandles(t *testing.T) {
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chain := chainAdmissionHandler{
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makeHandler("a", true, Update, Delete, Create),
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makeHandler("b", true, Delete, Create),
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makeHandler("c", true, Create),
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}
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tests := []struct {
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name string
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operation Operation
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chain chainAdmissionHandler
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expected bool
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}{
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{
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name: "all handle",
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operation: Create,
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expected: true,
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},
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{
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name: "none handle",
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operation: Connect,
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expected: false,
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},
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{
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name: "some handle",
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operation: Delete,
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expected: true,
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},
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}
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for _, test := range tests {
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handles := chain.Handles(test.operation)
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if handles != test.expected {
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t.Errorf("Unexpected handles result. Expected: %v. Actual: %v", test.expected, handles)
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}
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}
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}
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