128 lines
3.8 KiB
Go
128 lines
3.8 KiB
Go
// Copyright 2016 CNI 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 main_test
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import (
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"io/ioutil"
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"os"
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"os/exec"
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"strings"
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"github.com/containernetworking/cni/pkg/skel"
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noop_debug "github.com/containernetworking/cni/plugins/test/noop/debug"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"github.com/onsi/gomega/gexec"
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)
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var _ = Describe("No-op plugin", func() {
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var (
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cmd *exec.Cmd
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debugFileName string
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debug *noop_debug.Debug
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expectedCmdArgs skel.CmdArgs
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)
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const reportResult = `{ "ip4": { "ip": "10.1.2.3/24" }, "dns": {} }`
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BeforeEach(func() {
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debug = &noop_debug.Debug{ReportResult: reportResult}
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debugFile, err := ioutil.TempFile("", "cni_debug")
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Expect(err).NotTo(HaveOccurred())
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Expect(debugFile.Close()).To(Succeed())
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debugFileName = debugFile.Name()
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Expect(debug.WriteDebug(debugFileName)).To(Succeed())
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cmd = exec.Command(pathToPlugin)
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cmd.Env = []string{
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"CNI_COMMAND=ADD",
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"CNI_CONTAINERID=some-container-id",
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"CNI_ARGS=DEBUG=" + debugFileName,
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"CNI_NETNS=/some/netns/path",
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"CNI_IFNAME=some-eth0",
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"CNI_PATH=/some/bin/path",
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}
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cmd.Stdin = strings.NewReader(`{"some":"stdin-json"}`)
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expectedCmdArgs = skel.CmdArgs{
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ContainerID: "some-container-id",
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Netns: "/some/netns/path",
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IfName: "some-eth0",
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Args: "DEBUG=" + debugFileName,
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Path: "/some/bin/path",
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StdinData: []byte(`{"some":"stdin-json"}`),
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}
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})
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AfterEach(func() {
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os.Remove(debugFileName)
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})
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It("responds to ADD using the ReportResult debug field", func() {
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session, err := gexec.Start(cmd, GinkgoWriter, GinkgoWriter)
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Expect(err).NotTo(HaveOccurred())
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Eventually(session).Should(gexec.Exit(0))
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Expect(session.Out.Contents()).To(MatchJSON(reportResult))
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})
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It("records all the args provided by skel.PluginMain", func() {
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session, err := gexec.Start(cmd, GinkgoWriter, GinkgoWriter)
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Expect(err).NotTo(HaveOccurred())
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Eventually(session).Should(gexec.Exit(0))
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debug, err := noop_debug.ReadDebug(debugFileName)
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Expect(err).NotTo(HaveOccurred())
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Expect(debug.Command).To(Equal("ADD"))
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Expect(debug.CmdArgs).To(Equal(expectedCmdArgs))
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})
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Context("when the ReportError debug field is set", func() {
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BeforeEach(func() {
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debug.ReportError = "banana"
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Expect(debug.WriteDebug(debugFileName)).To(Succeed())
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})
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It("returns an error to skel.PluginMain, causing the process to exit code 1", func() {
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session, err := gexec.Start(cmd, GinkgoWriter, GinkgoWriter)
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Expect(err).NotTo(HaveOccurred())
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Eventually(session).Should(gexec.Exit(1))
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Expect(session.Out.Contents()).To(MatchJSON(`{ "code": 100, "msg": "banana" }`))
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})
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})
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Context("when the CNI_COMMAND is DEL", func() {
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BeforeEach(func() {
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cmd.Env[0] = "CNI_COMMAND=DEL"
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debug.ReportResult = `{ "some": "delete-data" }`
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Expect(debug.WriteDebug(debugFileName)).To(Succeed())
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})
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It("still does all the debug behavior", func() {
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session, err := gexec.Start(cmd, GinkgoWriter, GinkgoWriter)
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Expect(err).NotTo(HaveOccurred())
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Eventually(session).Should(gexec.Exit(0))
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Expect(session.Out.Contents()).To(MatchJSON(`{
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"some": "delete-data"
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}`))
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debug, err := noop_debug.ReadDebug(debugFileName)
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Expect(err).NotTo(HaveOccurred())
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Expect(debug.Command).To(Equal("DEL"))
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Expect(debug.CmdArgs).To(Equal(expectedCmdArgs))
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})
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})
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})
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