podman/test/e2e/stats_test.go

package integration

import (
	"fmt"
	"os"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

var _ = Describe("Podman stats", func() {
	var (
		tempdir    string
		err        error
		podmanTest PodmanTest
	)

	BeforeEach(func() {
		tempdir, err = CreateTempDirInTempDir()
		if err != nil {
			os.Exit(1)
		}
		podmanTest = PodmanCreate(tempdir)
		podmanTest.RestoreAllArtifacts()
	})

	AfterEach(func() {
		podmanTest.Cleanup()
		f := CurrentGinkgoTestDescription()
		timedResult := fmt.Sprintf("Test: %s completed in %f seconds", f.TestText, f.Duration.Seconds())
		GinkgoWriter.Write([]byte(timedResult))
	})

	It("podman stats should run with no containers", func() {
		session := podmanTest.Podman([]string{"stats", "--no-stream"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
	})

	It("podman stats with bogus container", func() {
		session := podmanTest.Podman([]string{"stats", "--no-stream", "123"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(125))
	})

	It("podman stats on a running container", func() {
		session := podmanTest.RunTopContainer("")
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		cid := session.OutputToString()
		session = podmanTest.Podman([]string{"stats", "--no-stream", cid})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
	})

	It("podman stats on a running container no id", func() {
		session := podmanTest.RunTopContainer("")
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		session = podmanTest.Podman([]string{"stats", "--no-stream"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
	})

	It("podman stats on all containers", func() {
		session := podmanTest.RunTopContainer("")
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		session = podmanTest.Podman([]string{"stats", "--no-stream", "-a"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
	})

	It("podman stats only output cids", func() {
		session := podmanTest.RunTopContainer("")
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		session = podmanTest.Podman([]string{"stats", "--no-stream", "--format", "\"{{.Container}}\""})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
	})

	It("podman stats with json output", func() {
		session := podmanTest.RunTopContainer("")
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		session = podmanTest.Podman([]string{"stats", "--no-stream", "--format", "json"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		Expect(session.IsJSONOutputValid()).To(BeTrue())
	})

	It("podman stats on a container with no net ns", func() {
		session := podmanTest.Podman([]string{"run", "-d", "--net", "none", ALPINE, "top"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		session = podmanTest.Podman([]string{"stats", "--no-stream", "-a"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
	})

	It("podman stats on a container that joined another's net ns", func() {
		session := podmanTest.RunTopContainer("")
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		cid := session.OutputToString()

		session = podmanTest.Podman([]string{"run", "-d", "--net", fmt.Sprintf("container:%s", cid), ALPINE, "top"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session = podmanTest.Podman([]string{"stats", "--no-stream", "-a"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
	})
})