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path: root/test/e2e/top_test.go
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package integration

import (
	"os"

	. "github.com/containers/podman/v4/test/utils"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	. "github.com/onsi/gomega/gexec"
)

var _ = Describe("Podman top", func() {
	var (
		tempdir    string
		err        error
		podmanTest *PodmanTestIntegration
	)

	BeforeEach(func() {
		tempdir, err = CreateTempDirInTempDir()
		if err != nil {
			os.Exit(1)
		}
		podmanTest = PodmanTestCreate(tempdir)
		podmanTest.Setup()
		podmanTest.SeedImages()
	})

	AfterEach(func() {
		podmanTest.Cleanup()
		f := CurrentGinkgoTestDescription()
		processTestResult(f)

	})

	It("podman top without container name or id", func() {
		result := podmanTest.Podman([]string{"top"})
		result.WaitWithDefaultTimeout()
		Expect(result).Should(Exit(125))
	})

	It("podman top on bogus container", func() {
		result := podmanTest.Podman([]string{"top", "1234"})
		result.WaitWithDefaultTimeout()
		Expect(result).Should(Exit(125))
	})

	It("podman top on non-running container", func() {
		_, ec, cid := podmanTest.RunLsContainer("")
		Expect(ec).To(Equal(0))
		result := podmanTest.Podman([]string{"top", cid})
		result.WaitWithDefaultTimeout()
		Expect(result).Should(Exit(125))
	})

	It("podman top on container", func() {
		session := podmanTest.Podman([]string{"run", "--name", "test", "-d", ALPINE, "top", "-d", "2"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		result := podmanTest.Podman([]string{"top", "test"})
		result.WaitWithDefaultTimeout()
		Expect(result).Should(Exit(0))
		Expect(len(result.OutputToStringArray())).To(BeNumerically(">", 1))
	})

	It("podman container top on container", func() {
		session := podmanTest.Podman([]string{"container", "run", "--name", "test", "-d", ALPINE, "top", "-d", "2"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		result := podmanTest.Podman([]string{"container", "top", "test"})
		result.WaitWithDefaultTimeout()
		Expect(result).Should(Exit(0))
		Expect(len(result.OutputToStringArray())).To(BeNumerically(">", 1))

		// Just a smoke test since groups may change over time.
		result = podmanTest.Podman([]string{"container", "top", "test", "groups", "hgroups"})
		result.WaitWithDefaultTimeout()
		Expect(result).Should(Exit(0))
		Expect(len(result.OutputToStringArray())).To(BeNumerically(">", 1))
	})

	It("podman top with options", func() {
		session := podmanTest.Podman([]string{"run", "-d", ALPINE, "top", "-d", "2"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		result := podmanTest.Podman([]string{"top", session.OutputToString(), "pid", "%C", "args"})
		result.WaitWithDefaultTimeout()
		Expect(result).Should(Exit(0))
		Expect(len(result.OutputToStringArray())).To(BeNumerically(">", 1))
	})

	It("podman top with ps(1) options", func() {
		session := podmanTest.Podman([]string{"run", "-d", ALPINE, "top", "-d", "2"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		result := podmanTest.Podman([]string{"top", session.OutputToString(), "aux"})
		result.WaitWithDefaultTimeout()
		Expect(result).Should(Exit(0))
		Expect(len(result.OutputToStringArray())).To(BeNumerically(">", 1))

		result = podmanTest.Podman([]string{"top", session.OutputToString(), "ax -o args"})
		result.WaitWithDefaultTimeout()
		Expect(result).Should(Exit(0))
		Expect(result.OutputToStringArray()).To(Equal([]string{"COMMAND", "top -d 2"}))
	})

	It("podman top with comma-separated options", func() {
		session := podmanTest.Podman([]string{"run", "-d", ALPINE, "top", "-d", "2"})
		session.WaitWithDefaultTimeout()
		Expect(session).Should(Exit(0))

		result := podmanTest.Podman([]string{"top", session.OutputToString(), "user,pid,comm"})
		result.WaitWithDefaultTimeout()
		Expect(result).Should(Exit(0))
		Expect(len(result.OutputToStringArray())).To(BeNumerically(">", 1))
	})

	It("podman top on container invalid options", func() {
		top := podmanTest.RunTopContainer("")
		top.WaitWithDefaultTimeout()
		Expect(top).Should(Exit(0))
		cid := top.OutputToString()

		// We need to pass -eo to force executing ps in the Alpine container.
		// Alpines stripped down ps(1) is accepting any kind of weird input in
		// contrast to others, such that a `ps invalid` will silently ignore
		// the wrong input and still print the -ef output instead.
		result := podmanTest.Podman([]string{"top", cid, "-eo", "invalid"})
		result.WaitWithDefaultTimeout()
		Expect(result).Should(Exit(125))
	})

})