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package main
import (
"runtime"
"testing"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/cmd/podman/shared"
"github.com/containers/libpod/pkg/inspect"
cc "github.com/containers/libpod/pkg/spec"
"github.com/containers/libpod/pkg/sysinfo"
"github.com/docker/go-units"
ociv1 "github.com/opencontainers/image-spec/specs-go/v1"
spec "github.com/opencontainers/runtime-spec/specs-go"
"github.com/spf13/cobra"
"github.com/stretchr/testify/assert"
)
var (
sysInfo = sysinfo.New(true)
cmd = []string{"podman", "test", "alpine"}
CLI *cliconfig.PodmanCommand
)
// generates a mocked ImageData structure based on alpine
func generateAlpineImageData() *inspect.ImageData {
config := &ociv1.ImageConfig{
User: "",
ExposedPorts: nil,
Env: []string{"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"},
Entrypoint: []string{},
Cmd: []string{"/bin/sh"},
Volumes: nil,
WorkingDir: "",
Labels: nil,
StopSignal: "",
}
data := &inspect.ImageData{
ID: "e21c333399e0aeedfd70e8827c9fba3f8e9b170ef8a48a29945eb7702bf6aa5f",
RepoTags: []string{"docker.io/library/alpine:latest"},
RepoDigests: []string{"docker.io/library/alpine@sha256:5cb04fce748f576d7b72a37850641de8bd725365519673c643ef2d14819b42c6"},
Comment: "Created:2017-12-01 18:48:48.949613376 +0000",
Author: "",
Architecture: "amd64",
Os: "linux",
Version: "17.06.2-ce",
Config: config,
}
return data
}
// sets a global CLI
func testCmd(c *cobra.Command) error {
CLI = &cliconfig.PodmanCommand{Command: c}
return nil
}
// creates the mocked cli pointing to our create flags
// global flags like log-level are not implemented
func createCLI(args []string) *cliconfig.PodmanCommand {
var testCommand = &cliconfig.PodmanCommand{
Command: &cobra.Command{
Use: "test",
RunE: func(cmd *cobra.Command, args []string) error {
return testCmd(cmd)
},
},
}
rootCmd := testCommand
getCreateFlags(rootCmd)
rootCmd.ParseFlags(args)
return rootCmd
}
func getRuntimeSpec(c *cliconfig.PodmanCommand) (*spec.Spec, error) {
/*
TODO: This test has never worked. Need to install content
runtime, err := getRuntime(c)
if err != nil {
return nil, err
}
createConfig, err := parseCreateOpts(c, runtime, "alpine", generateAlpineImageData())
*/
ctx := getContext()
genericResults := shared.NewIntermediateLayer(c, false)
createConfig, err := shared.ParseCreateOpts(ctx, &genericResults, nil, "alpine", generateAlpineImageData())
if err != nil {
return nil, err
}
runtimeSpec, err := cc.CreateConfigToOCISpec(createConfig)
if err != nil {
return nil, err
}
return runtimeSpec, nil
}
// TestPIDsLimit verifies the inputted pid-limit is correctly defined in the spec
func TestPIDsLimit(t *testing.T) {
// The default configuration of podman enables seccomp, which is not available on non-Linux systems.
// Thus, any tests that use the default seccomp setting would fail.
// Skip the tests on non-Linux platforms rather than explicitly disable seccomp in the test and possibly affect the test result.
if runtime.GOOS != "linux" {
t.Skip("seccomp, which is enabled by default, is only supported on Linux")
}
if !sysInfo.PidsLimit {
t.Skip("running test not supported by the host system")
}
args := []string{"--pids-limit", "22"}
a := createCLI(args)
a.InputArgs = args
//a.Run(append(cmd, args...))
runtimeSpec, err := getRuntimeSpec(a)
if err != nil {
t.Fatalf(err.Error())
}
assert.Equal(t, runtimeSpec.Linux.Resources.Pids.Limit, int64(22))
}
// TestBLKIOWeightDevice verifies the inputted blkio weigh device is correctly defined in the spec
func TestBLKIOWeightDevice(t *testing.T) {
// The default configuration of podman enables seccomp, which is not available on non-Linux systems.
// Thus, any tests that use the default seccomp setting would fail.
// Skip the tests on non-Linux platforms rather than explicitly disable seccomp in the test and possibly affect the test result.
if runtime.GOOS != "linux" {
t.Skip("seccomp, which is enabled by default, is only supported on Linux")
}
if !sysInfo.BlkioWeightDevice {
t.Skip("running test not supported by the host system")
}
args := []string{"--blkio-weight-device", "/dev/zero:100"}
a := createCLI(args)
a.InputArgs = args
runtimeSpec, err := getRuntimeSpec(a)
if err != nil {
t.Fatalf(err.Error())
}
assert.Equal(t, *runtimeSpec.Linux.Resources.BlockIO.WeightDevice[0].Weight, uint16(100))
}
// TestMemorySwap verifies that the inputted memory swap is correctly defined in the spec
func TestMemorySwap(t *testing.T) {
// The default configuration of podman enables seccomp, which is not available on non-Linux systems.
// Thus, any tests that use the default seccomp setting would fail.
// Skip the tests on non-Linux platforms rather than explicitly disable seccomp in the test and possibly affect the test result.
if runtime.GOOS != "linux" {
t.Skip("seccomp, which is enabled by default, is only supported on Linux")
}
if !sysInfo.SwapLimit {
t.Skip("running test not supported by the host system")
}
args := []string{"--memory-swap", "45m", "--memory", "40m"}
a := createCLI(args)
a.InputArgs = args
//a.Run(append(cmd, args...))
runtimeSpec, err := getRuntimeSpec(a)
if err != nil {
t.Fatalf(err.Error())
}
mem, _ := units.RAMInBytes("45m")
assert.Equal(t, *runtimeSpec.Linux.Resources.Memory.Swap, mem)
}
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