125 lines
3.7 KiB
Go
125 lines
3.7 KiB
Go
/*
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Copyright 2016 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 ebtables
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import (
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"strings"
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"testing"
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"k8s.io/kubernetes/pkg/util/exec"
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)
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func testEnsureChain(t *testing.T) {
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fcmd := exec.FakeCmd{
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CombinedOutputScript: []exec.FakeCombinedOutputAction{
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// Does not Exists
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func() ([]byte, error) { return nil, &exec.FakeExitError{Status: 1} },
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// Success
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func() ([]byte, error) { return []byte{}, nil },
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// Exists
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func() ([]byte, error) { return nil, nil },
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// Does not Exists
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func() ([]byte, error) { return nil, &exec.FakeExitError{Status: 1} },
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// Fail to create chain
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func() ([]byte, error) { return nil, &exec.FakeExitError{Status: 2} },
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},
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}
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fexec := exec.FakeExec{
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CommandScript: []exec.FakeCommandAction{
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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},
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}
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runner := New(&fexec)
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exists, err := runner.EnsureChain(TableFilter, "TEST-CHAIN")
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if exists {
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t.Errorf("expected exists = false")
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}
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if err != nil {
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t.Errorf("expected err = nil")
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}
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exists, err = runner.EnsureChain(TableFilter, "TEST-CHAIN")
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if !exists {
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t.Errorf("expected exists = true")
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}
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if err != nil {
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t.Errorf("expected err = nil")
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}
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exists, err = runner.EnsureChain(TableFilter, "TEST-CHAIN")
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if exists {
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t.Errorf("expected exists = false")
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}
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errStr := "Failed to ensure TEST-CHAIN chain: exit 2, output:"
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if err == nil || !strings.Contains(err.Error(), errStr) {
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t.Errorf("expected error: %q", errStr)
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}
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}
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func testEnsureRule(t *testing.T) {
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fcmd := exec.FakeCmd{
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CombinedOutputScript: []exec.FakeCombinedOutputAction{
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// Exists
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func() ([]byte, error) {
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return []byte(`Bridge table: filter
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Bridge chain: OUTPUT, entries: 4, policy: ACCEPT
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-j TEST
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`), nil
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},
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// Does not Exists.
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func() ([]byte, error) {
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return []byte(`Bridge table: filter
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Bridge chain: TEST, entries: 0, policy: ACCEPT`), nil
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},
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// Fail to create
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func() ([]byte, error) { return nil, &exec.FakeExitError{Status: 2} },
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},
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}
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fexec := exec.FakeExec{
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CommandScript: []exec.FakeCommandAction{
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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},
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}
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runner := New(&fexec)
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exists, err := runner.EnsureRule(Append, TableFilter, ChainOutput, "-j", "TEST")
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if !exists {
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t.Errorf("expected exists = true")
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}
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if err != nil {
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t.Errorf("expected err = nil")
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}
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exists, err = runner.EnsureRule(Append, TableFilter, ChainOutput, "-j", "NEXT-TEST")
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if exists {
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t.Errorf("expected exists = false")
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}
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errStr := "Failed to ensure rule: exist 2, output: "
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if err == nil || err.Error() != errStr {
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t.Errorf("expected error: %q", errStr)
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}
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}
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