package main import ( "runtime" "testing" "github.com/containers/libpod/pkg/inspect" cc "github.com/containers/libpod/pkg/spec" units "github.com/docker/go-units" ociv1 "github.com/opencontainers/image-spec/specs-go/v1" spec "github.com/opencontainers/runtime-spec/specs-go" "github.com/stretchr/testify/assert" "github.com/urfave/cli" ) var ( cmd = []string{"podman", "test", "alpine"} CLI *cli.Context testCommand = cli.Command{ Name: "test", Flags: createFlags, Action: testCmd, } ) // 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", ContainerConfig: config, } return data } // sets a global CLI func testCmd(c *cli.Context) error { CLI = c return nil } // creates the mocked cli pointing to our create flags // global flags like log-level are not implemented func createCLI() cli.App { a := cli.App{ Commands: []cli.Command{ testCommand, }, } return a } func getRuntimeSpec(c *cli.Context) (*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() createConfig, err := parseCreateOpts(ctx, c, 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") } a := createCLI() args := []string{"--pids-limit", "22"} a.Run(append(cmd, args...)) runtimeSpec, err := getRuntimeSpec(CLI) 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") } a := createCLI() args := []string{"--blkio-weight-device", "/dev/zero:100"} a.Run(append(cmd, args...)) runtimeSpec, err := getRuntimeSpec(CLI) 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") } a := createCLI() args := []string{"--memory-swap", "45m", "--memory", "40m"} a.Run(append(cmd, args...)) runtimeSpec, err := getRuntimeSpec(CLI) if err != nil { t.Fatalf(err.Error()) } mem, _ := units.RAMInBytes("45m") assert.Equal(t, *runtimeSpec.Linux.Resources.Memory.Swap, mem) }