kilo/pkg/iptables/iptables_test.go

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2019-01-18 01:50:10 +00:00
// Copyright 2019 the Kilo authors
//
// 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 iptables
import (
"testing"
)
var rules = []Rule{
&rule{"filter", "FORWARD", []string{"-s", "10.4.0.0/16", "-j", "ACCEPT"}, nil},
&rule{"filter", "FORWARD", []string{"-d", "10.4.0.0/16", "-j", "ACCEPT"}, nil},
}
func newController() *Controller {
return &Controller{
rules: make(map[string]Rule),
}
}
func TestSet(t *testing.T) {
for _, tc := range []struct {
name string
rules []Rule
}{
{
name: "empty",
rules: nil,
},
{
name: "single",
rules: []Rule{rules[0]},
},
{
name: "multiple",
rules: []Rule{rules[0], rules[1]},
},
} {
backend := make(map[string]Rule)
controller := newController()
controller.client = fakeClient(backend)
if err := controller.Set(tc.rules); err != nil {
t.Fatalf("test case %q: got unexpected error: %v", tc.name, err)
}
for _, r := range tc.rules {
r1 := backend[r.String()]
r2 := controller.rules[r.String()]
if r.String() != r1.String() || r.String() != r2.String() {
t.Errorf("test case %q: expected all rules to be equal: expected %v, got %v and %v", tc.name, r, r1, r2)
}
}
}
}
func TestCleanUp(t *testing.T) {
for _, tc := range []struct {
name string
rules []Rule
}{
{
name: "empty",
rules: nil,
},
{
name: "single",
rules: []Rule{rules[0]},
},
{
name: "multiple",
rules: []Rule{rules[0], rules[1]},
},
} {
backend := make(map[string]Rule)
controller := newController()
controller.client = fakeClient(backend)
if err := controller.Set(tc.rules); err != nil {
t.Fatalf("test case %q: Set should not fail: %v", tc.name, err)
}
if err := controller.CleanUp(); err != nil {
t.Errorf("test case %q: got unexpected error: %v", tc.name, err)
}
for _, r := range tc.rules {
r1 := backend[r.String()]
r2 := controller.rules[r.String()]
if r1 != nil || r2 != nil {
t.Errorf("test case %q: expected all rules to be nil: expected got %v and %v", tc.name, r1, r2)
}
}
}
}