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package parse
import (
"fmt"
"runtime"
"testing"
"github.com/containers/buildah/define"
"github.com/containers/image/v5/types"
specs "github.com/opencontainers/runtime-spec/specs-go"
"github.com/spf13/pflag"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestCommonBuildOptionsFromFlagSet(t *testing.T) {
fs := pflag.NewFlagSet("testme", pflag.PanicOnError)
fs.String("memory", "1GB", "")
fs.String("shm-size", "5TB", "")
fs.String("cpuset-cpus", "1", "")
fs.String("cpuset-mems", "2", "")
fs.String("cgroup-parent", "none", "")
err := fs.Parse([]string{"--memory", "2GB"})
assert.NoError(t, err)
cbo, err := CommonBuildOptionsFromFlagSet(fs, fs.Lookup)
assert.NoError(t, err)
assert.Equal(t, cbo.Memory, int64(2147483648))
}
// TestDeviceParser verifies the given device strings is parsed correctly
func TestDeviceParser(t *testing.T) {
if runtime.GOOS != "linux" {
t.Skip("Devices is only supported on Linux")
}
// Test defaults
src, dest, permissions, err := Device("/dev/foo")
assert.NoError(t, err)
assert.Equal(t, src, "/dev/foo")
assert.Equal(t, dest, "/dev/foo")
assert.Equal(t, permissions, "rwm")
// Test defaults, different dest
src, dest, permissions, err = Device("/dev/foo:/dev/bar")
assert.NoError(t, err)
assert.Equal(t, src, "/dev/foo")
assert.Equal(t, dest, "/dev/bar")
assert.Equal(t, permissions, "rwm")
// Test fully specified
src, dest, permissions, err = Device("/dev/foo:/dev/bar:rm")
assert.NoError(t, err)
assert.Equal(t, src, "/dev/foo")
assert.Equal(t, dest, "/dev/bar")
assert.Equal(t, permissions, "rm")
// Test device, permissions
src, dest, permissions, err = Device("/dev/foo:rm")
assert.NoError(t, err)
assert.Equal(t, src, "/dev/foo")
assert.Equal(t, dest, "/dev/foo")
assert.Equal(t, permissions, "rm")
// test bogus permissions
_, _, _, err = Device("/dev/fuse1:BOGUS")
assert.Error(t, err)
_, _, _, err = Device("")
assert.Error(t, err)
_, _, _, err = Device("/dev/foo:/dev/bar:rm:")
assert.Error(t, err)
_, _, _, err = Device("/dev/foo::rm")
assert.Error(t, err)
}
func TestIsValidDeviceMode(t *testing.T) {
if runtime.GOOS != "linux" {
t.Skip("Devices is only supported on Linux")
}
assert.False(t, isValidDeviceMode("BOGUS"))
assert.False(t, isValidDeviceMode("rwx"))
assert.True(t, isValidDeviceMode("r"))
assert.True(t, isValidDeviceMode("rw"))
assert.True(t, isValidDeviceMode("rm"))
assert.True(t, isValidDeviceMode("rwm"))
}
func TestDeviceFromPath(t *testing.T) {
t.Skip("Test unsuitable for debian, see https://bugs.debian.org/1072147")
if runtime.GOOS != "linux" {
t.Skip("Devices is only supported on Linux")
}
// Path is valid
dev, err := DeviceFromPath("/dev/null")
assert.NoError(t, err)
assert.Equal(t, len(dev), 1)
assert.Equal(t, dev[0].Major, int64(1))
assert.Equal(t, dev[0].Minor, int64(3))
assert.Equal(t, string(dev[0].Permissions), "rwm")
assert.Equal(t, dev[0].Uid, uint32(0))
assert.Equal(t, dev[0].Gid, uint32(0))
// Path does not exists
_, err = DeviceFromPath("/dev/BOGUS")
assert.Error(t, err)
// Path is a directory of devices
_, err = DeviceFromPath("/dev/pts")
assert.NoError(t, err)
// path of directory has no device
_, err = DeviceFromPath("/etc/passwd")
assert.Error(t, err)
}
func TestIDMappingOptions(t *testing.T) {
fs := pflag.NewFlagSet("testme", pflag.PanicOnError)
pfs := pflag.NewFlagSet("persist", pflag.PanicOnError)
fs.String("userns-uid-map-user", "", "")
fs.String("userns-gid-map-group", "", "")
fs.String("userns-uid-map", "", "")
fs.String("userns-gid-map", "", "")
fs.String("userns", "", "")
err := fs.Parse([]string{})
assert.NoError(t, err)
uos, _, err := IDMappingOptionsFromFlagSet(fs, pfs, fs.Lookup)
assert.NoError(t, err)
nso := uos.Find(string(specs.UserNamespace))
assert.Equal(t, *nso, define.NamespaceOption{
Host: true,
Name: string(specs.UserNamespace),
})
}
func TestIsolation(t *testing.T) {
def, err := defaultIsolation()
if err != nil {
assert.Error(t, err)
}
isolations := []string{"", "default", "oci", "chroot", "rootless"}
for _, i := range isolations {
isolation, err := IsolationOption(i)
if err != nil {
assert.Error(t, fmt.Errorf("isolation %q not supported", i))
}
var expected string
switch i {
case "":
expected = def.String()
case "default":
expected = "oci"
default:
expected = i
}
if isolation.String() != expected {
assert.Error(t, fmt.Errorf("isolation %q not equal to user input %q", isolation.String(), expected))
}
}
}
func TestNamespaceOptions(t *testing.T) {
fs := pflag.NewFlagSet("testme", pflag.PanicOnError)
fs.String("cgroupns", "", "")
err := fs.Parse([]string{"--cgroupns", "private"})
assert.NoError(t, err)
nsos, np, err := NamespaceOptionsFromFlagSet(fs, fs.Lookup)
assert.NoError(t, err)
assert.Equal(t, np, define.NetworkEnabled)
nso := nsos.Find(string(specs.CgroupNamespace))
assert.Equal(t, *nso, define.NamespaceOption{
Name: string(specs.CgroupNamespace),
})
}
func TestParsePlatform(t *testing.T) {
os, arch, variant, err := Platform("a/b/c")
assert.NoError(t, err)
assert.NoError(t, err)
assert.Equal(t, os, "a")
assert.Equal(t, arch, "b")
assert.Equal(t, variant, "c")
os, arch, variant, err = Platform("a/b")
assert.NoError(t, err)
assert.NoError(t, err)
assert.Equal(t, os, "a")
assert.Equal(t, arch, "b")
assert.Equal(t, variant, "")
_, _, _, err = Platform("a")
assert.Error(t, err)
}
func TestParsePullPolicy(t *testing.T) {
testCases := map[string]bool{
"missing": true,
"ifmissing": true,
"notpresent": true,
"always": true,
"true": true,
"ifnewer": true,
"newer": true,
"false": true,
"never": true,
"try": false,
"truth": false,
}
for value, result := range testCases {
t.Run(value, func(t *testing.T) {
policy, err := pullPolicyWithFlags(value, false, false)
if result {
require.NoErrorf(t, err, "expected value %q to be recognized", value)
} else {
require.Errorf(t, err, "did not expect value %q to be recognized as %q", value, policy.String())
}
})
}
}
func TestSplitStringWithColonEscape(t *testing.T) {
tests := []struct {
volume string
expectedResult []string
}{
{"/root/a:/root/test:O", []string{"/root/a", "/root/test", "O"}},
{"/root/a\\:b/c:/root/test:O", []string{"/root/a:b/c", "/root/test", "O"}},
{"/root/a:/root/test\\:test1/a:O", []string{"/root/a", "/root/test:test1/a", "O"}},
{"/root/a\\:b/c:/root/test\\:test1/a:O", []string{"/root/a:b/c", "/root/test:test1/a", "O"}},
}
for _, args := range tests {
val := SplitStringWithColonEscape(args.volume)
assert.Equal(t, val, args.expectedResult)
}
}
func TestSystemContextFromFlagSet(t *testing.T) {
fs := pflag.NewFlagSet("testme", pflag.PanicOnError)
fs.Bool("tls-verify", false, "")
err := fs.Parse([]string{"--tls-verify", "false"})
assert.NoError(t, err)
sc, err := SystemContextFromFlagSet(fs, fs.Lookup)
assert.NoError(t, err)
assert.Equal(t, sc, &types.SystemContext{
BigFilesTemporaryDir: GetTempDir(),
DockerInsecureSkipTLSVerify: types.OptionalBoolFalse,
DockerRegistryUserAgent: fmt.Sprintf("Buildah/%s", define.Version),
})
}
|
