116 lines
3.5 KiB
Go
116 lines
3.5 KiB
Go
// Copyright 2019 The gVisor Authors.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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// Package iptables contains a set of iptables tests implemented as TestCases
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package iptables
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import (
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"context"
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"fmt"
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"net"
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"time"
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)
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// IPExchangePort is the port the container listens on to receive the IP
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// address of the local process.
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const IPExchangePort = 2349
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// TerminalStatement is the last statement in the test runner.
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const TerminalStatement = "Finished!"
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// TestTimeout is the timeout used for all tests.
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const TestTimeout = 10 * time.Second
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// NegativeTimeout is the time tests should wait to establish the negative
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// case, i.e. that connections are not made.
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const NegativeTimeout = 2 * time.Second
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// A TestCase contains one action to run in the container and one to run
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// locally. The actions run concurrently and each must succeed for the test
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// pass.
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type TestCase interface {
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// Name returns the name of the test.
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Name() string
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// ContainerAction runs inside the container. It receives the IP of the
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// local process.
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ContainerAction(ctx context.Context, ip net.IP, ipv6 bool) error
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// LocalAction runs locally. It receives the IP of the container.
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LocalAction(ctx context.Context, ip net.IP, ipv6 bool) error
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// ContainerSufficient indicates whether ContainerAction's return value
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// alone indicates whether the test succeeded.
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ContainerSufficient() bool
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// LocalSufficient indicates whether LocalAction's return value alone
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// indicates whether the test succeeded.
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LocalSufficient() bool
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}
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// baseCase provides defaults for ContainerSufficient and LocalSufficient when
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// both actions are required to finish.
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type baseCase struct{}
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// ContainerSufficient implements TestCase.ContainerSufficient.
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func (baseCase) ContainerSufficient() bool {
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return false
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}
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// LocalSufficient implements TestCase.LocalSufficient.
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func (baseCase) LocalSufficient() bool {
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return false
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}
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// localCase provides defaults for ContainerSufficient and LocalSufficient when
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// only the local action is required to finish.
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type localCase struct{}
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// ContainerSufficient implements TestCase.ContainerSufficient.
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func (localCase) ContainerSufficient() bool {
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return false
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}
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// LocalSufficient implements TestCase.LocalSufficient.
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func (localCase) LocalSufficient() bool {
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return true
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}
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// containerCase provides defaults for ContainerSufficient and LocalSufficient
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// when only the container action is required to finish.
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type containerCase struct{}
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// ContainerSufficient implements TestCase.ContainerSufficient.
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func (containerCase) ContainerSufficient() bool {
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return true
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}
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// LocalSufficient implements TestCase.LocalSufficient.
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func (containerCase) LocalSufficient() bool {
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return false
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}
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// Tests maps test names to TestCase.
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//
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// New TestCases are added by calling RegisterTestCase in an init function.
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var Tests = map[string]TestCase{}
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// RegisterTestCase registers tc so it can be run.
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func RegisterTestCase(tc TestCase) {
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if _, ok := Tests[tc.Name()]; ok {
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panic(fmt.Sprintf("TestCase %s already registered.", tc.Name()))
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}
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Tests[tc.Name()] = tc
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}
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