package runconfig import ( "bytes" "encoding/json" "fmt" "io/ioutil" "os" "runtime" "strings" "testing" flag "github.com/docker/docker/pkg/mflag" "github.com/docker/docker/pkg/nat" ) func parseRun(args []string) (*Config, *HostConfig, *flag.FlagSet, error) { cmd := flag.NewFlagSet("run", flag.ContinueOnError) cmd.SetOutput(ioutil.Discard) cmd.Usage = nil return Parse(cmd, args) } func parse(t *testing.T, args string) (*Config, *HostConfig, error) { config, hostConfig, _, err := parseRun(strings.Split(args+" ubuntu bash", " ")) return config, hostConfig, err } func mustParse(t *testing.T, args string) (*Config, *HostConfig) { config, hostConfig, err := parse(t, args) if err != nil { t.Fatal(err) } return config, hostConfig } func TestParseRunLinks(t *testing.T) { if _, hostConfig := mustParse(t, "--link a:b"); len(hostConfig.Links) == 0 || hostConfig.Links[0] != "a:b" { t.Fatalf("Error parsing links. Expected []string{\"a:b\"}, received: %v", hostConfig.Links) } if _, hostConfig := mustParse(t, "--link a:b --link c:d"); len(hostConfig.Links) < 2 || hostConfig.Links[0] != "a:b" || hostConfig.Links[1] != "c:d" { t.Fatalf("Error parsing links. Expected []string{\"a:b\", \"c:d\"}, received: %v", hostConfig.Links) } if _, hostConfig := mustParse(t, ""); len(hostConfig.Links) != 0 { t.Fatalf("Error parsing links. No link expected, received: %v", hostConfig.Links) } } func TestParseRunAttach(t *testing.T) { if config, _ := mustParse(t, "-a stdin"); !config.AttachStdin || config.AttachStdout || config.AttachStderr { t.Fatalf("Error parsing attach flags. Expect only Stdin enabled. Received: in: %v, out: %v, err: %v", config.AttachStdin, config.AttachStdout, config.AttachStderr) } if config, _ := mustParse(t, "-a stdin -a stdout"); !config.AttachStdin || !config.AttachStdout || config.AttachStderr { t.Fatalf("Error parsing attach flags. Expect only Stdin and Stdout enabled. Received: in: %v, out: %v, err: %v", config.AttachStdin, config.AttachStdout, config.AttachStderr) } if config, _ := mustParse(t, "-a stdin -a stdout -a stderr"); !config.AttachStdin || !config.AttachStdout || !config.AttachStderr { t.Fatalf("Error parsing attach flags. Expect all attach enabled. Received: in: %v, out: %v, err: %v", config.AttachStdin, config.AttachStdout, config.AttachStderr) } if config, _ := mustParse(t, ""); config.AttachStdin || !config.AttachStdout || !config.AttachStderr { t.Fatalf("Error parsing attach flags. Expect Stdin disabled. Received: in: %v, out: %v, err: %v", config.AttachStdin, config.AttachStdout, config.AttachStderr) } if config, _ := mustParse(t, "-i"); !config.AttachStdin || !config.AttachStdout || !config.AttachStderr { t.Fatalf("Error parsing attach flags. Expect Stdin enabled. Received: in: %v, out: %v, err: %v", config.AttachStdin, config.AttachStdout, config.AttachStderr) } if _, _, err := parse(t, "-a"); err == nil { t.Fatalf("Error parsing attach flags, `-a` should be an error but is not") } if _, _, err := parse(t, "-a invalid"); err == nil { t.Fatalf("Error parsing attach flags, `-a invalid` should be an error but is not") } if _, _, err := parse(t, "-a invalid -a stdout"); err == nil { t.Fatalf("Error parsing attach flags, `-a stdout -a invalid` should be an error but is not") } if _, _, err := parse(t, "-a stdout -a stderr -d"); err == nil { t.Fatalf("Error parsing attach flags, `-a stdout -a stderr -d` should be an error but is not") } if _, _, err := parse(t, "-a stdin -d"); err == nil { t.Fatalf("Error parsing attach flags, `-a stdin -d` should be an error but is not") } if _, _, err := parse(t, "-a stdout -d"); err == nil { t.Fatalf("Error parsing attach flags, `-a stdout -d` should be an error but is not") } if _, _, err := parse(t, "-a stderr -d"); err == nil { t.Fatalf("Error parsing attach flags, `-a stderr -d` should be an error but is not") } if _, _, err := parse(t, "-d --rm"); err == nil { t.Fatalf("Error parsing attach flags, `-d --rm` should be an error but is not") } } func TestParseRunVolumes(t *testing.T) { // A single volume arr, tryit := setupPlatformVolume([]string{`/tmp`}, []string{`c:\tmp`}) if config, hostConfig := mustParse(t, tryit); hostConfig.Binds != nil { t.Fatalf("Error parsing volume flags, %q should not mount-bind anything. Received %v", tryit, hostConfig.Binds) } else if _, exists := config.Volumes[arr[0]]; !exists { t.Fatalf("Error parsing volume flags, %q is missing from volumes. Received %v", tryit, config.Volumes) } // Two volumes arr, tryit = setupPlatformVolume([]string{`/tmp`, `/var`}, []string{`c:\tmp`, `c:\var`}) if config, hostConfig := mustParse(t, tryit); hostConfig.Binds != nil { t.Fatalf("Error parsing volume flags, %q should not mount-bind anything. Received %v", tryit, hostConfig.Binds) } else if _, exists := config.Volumes[arr[0]]; !exists { t.Fatalf("Error parsing volume flags, %s is missing from volumes. Received %v", arr[0], config.Volumes) } else if _, exists := config.Volumes[arr[1]]; !exists { t.Fatalf("Error parsing volume flags, %s is missing from volumes. Received %v", arr[1], config.Volumes) } // A single bind-mount arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp`}, []string{os.Getenv("TEMP") + `:c:\containerTmp`}) if config, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || hostConfig.Binds[0] != arr[0] { t.Fatalf("Error parsing volume flags, %q should mount-bind the path before the colon into the path after the colon. Received %v %v", arr[0], hostConfig.Binds, config.Volumes) } // Two bind-mounts. arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp`, `/hostVar:/containerVar`}, []string{os.Getenv("ProgramData") + `:c:\ContainerPD`, os.Getenv("TEMP") + `:c:\containerTmp`}) if _, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], arr[0], arr[1]) != nil { t.Fatalf("Error parsing volume flags, `%s and %s` did not mount-bind correctly. Received %v", arr[0], arr[1], hostConfig.Binds) } // Two bind-mounts, first read-only, second read-write. // TODO Windows: The Windows version uses read-write as that's the only mode it supports. Can change this post TP4 arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp:ro`, `/hostVar:/containerVar:rw`}, []string{os.Getenv("TEMP") + `:c:\containerTmp:rw`, os.Getenv("ProgramData") + `:c:\ContainerPD:rw`}) if _, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], arr[0], arr[1]) != nil { t.Fatalf("Error parsing volume flags, `%s and %s` did not mount-bind correctly. Received %v", arr[0], arr[1], hostConfig.Binds) } // Similar to previous test but with alternate modes which are only supported by Linux if runtime.GOOS != "windows" { arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp:ro,Z`, `/hostVar:/containerVar:rw,Z`}, []string{}) if _, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], arr[0], arr[1]) != nil { t.Fatalf("Error parsing volume flags, `%s and %s` did not mount-bind correctly. Received %v", arr[0], arr[1], hostConfig.Binds) } arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp:Z`, `/hostVar:/containerVar:z`}, []string{}) if _, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], arr[0], arr[1]) != nil { t.Fatalf("Error parsing volume flags, `%s and %s` did not mount-bind correctly. Received %v", arr[0], arr[1], hostConfig.Binds) } } // One bind mount and one volume arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp`, `/containerVar`}, []string{os.Getenv("TEMP") + `:c:\containerTmp`, `c:\containerTmp`}) if config, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || len(hostConfig.Binds) > 1 || hostConfig.Binds[0] != arr[0] { t.Fatalf("Error parsing volume flags, %s and %s should only one and only one bind mount %s. Received %s", arr[0], arr[1], arr[0], hostConfig.Binds) } else if _, exists := config.Volumes[arr[1]]; !exists { t.Fatalf("Error parsing volume flags %s and %s. %s is missing from volumes. Received %v", arr[0], arr[1], arr[1], config.Volumes) } // Root to non-c: drive letter (Windows specific) if runtime.GOOS == "windows" { arr, tryit = setupPlatformVolume([]string{}, []string{os.Getenv("SystemDrive") + `\:d:`}) if config, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || len(hostConfig.Binds) > 1 || hostConfig.Binds[0] != arr[0] || len(config.Volumes) != 0 { t.Fatalf("Error parsing %s. Should have a single bind mount and no volumes", arr[0]) } } } // This tests the cases for binds which are generated through // DecodeContainerConfig rather than Parse() func TestDecodeContainerConfigVolumes(t *testing.T) { // Root to root bindsOrVols, _ := setupPlatformVolume([]string{`/:/`}, []string{os.Getenv("SystemDrive") + `\:c:\`}) if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil { t.Fatalf("volume %v should have failed", bindsOrVols) } // No destination path bindsOrVols, _ = setupPlatformVolume([]string{`/tmp:`}, []string{os.Getenv("TEMP") + `\:`}) if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } // // No destination path or mode bindsOrVols, _ = setupPlatformVolume([]string{`/tmp::`}, []string{os.Getenv("TEMP") + `\::`}) if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } // A whole lot of nothing bindsOrVols = []string{`:`} if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } // A whole lot of nothing with no mode bindsOrVols = []string{`::`} if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } // Too much including an invalid mode wTmp := os.Getenv("TEMP") bindsOrVols, _ = setupPlatformVolume([]string{`/tmp:/tmp:/tmp:/tmp`}, []string{wTmp + ":" + wTmp + ":" + wTmp + ":" + wTmp}) if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } // Windows specific error tests if runtime.GOOS == "windows" { // Volume which does not include a drive letter bindsOrVols = []string{`\tmp`} if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } // Root to C-Drive bindsOrVols = []string{os.Getenv("SystemDrive") + `\:c:`} if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } // Container path that does not include a drive letter bindsOrVols = []string{`c:\windows:\somewhere`} if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } } // Linux-specific error tests if runtime.GOOS != "windows" { // Just root bindsOrVols = []string{`/`} if _, _, err := callDecodeContainerConfig(nil, bindsOrVols); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } if _, _, err := callDecodeContainerConfig(bindsOrVols, nil); err == nil { t.Fatalf("binds %v should have failed", bindsOrVols) } // A single volume that looks like a bind mount passed in Volumes. // This should be handled as a bind mount, not a volume. vols := []string{`/foo:/bar`} if config, hostConfig, err := callDecodeContainerConfig(vols, nil); err != nil { t.Fatal("Volume /foo:/bar should have succeeded as a volume name") } else if hostConfig.Binds != nil { t.Fatalf("Error parsing volume flags, /foo:/bar should not mount-bind anything. Received %v", hostConfig.Binds) } else if _, exists := config.Volumes[vols[0]]; !exists { t.Fatalf("Error parsing volume flags, /foo:/bar is missing from volumes. Received %v", config.Volumes) } } } // callDecodeContainerConfig is a utility function used by TestDecodeContainerConfigVolumes // to call DecodeContainerConfig. It effectively does what a client would // do when calling the daemon by constructing a JSON stream of a // ContainerConfigWrapper which is populated by the set of volume specs // passed into it. It returns a config and a hostconfig which can be // validated to ensure DecodeContainerConfig has manipulated the structures // correctly. func callDecodeContainerConfig(volumes []string, binds []string) (*Config, *HostConfig, error) { var ( b []byte err error c *Config h *HostConfig ) w := ContainerConfigWrapper{ Config: &Config{ Volumes: map[string]struct{}{}, }, HostConfig: &HostConfig{ NetworkMode: "none", Binds: binds, }, } for _, v := range volumes { w.Config.Volumes[v] = struct{}{} } if b, err = json.Marshal(w); err != nil { return nil, nil, fmt.Errorf("Error on marshal %s", err.Error()) } c, h, err = DecodeContainerConfig(bytes.NewReader(b)) if err != nil { return nil, nil, fmt.Errorf("Error parsing %s: %v", string(b), err) } if c == nil || h == nil { return nil, nil, fmt.Errorf("Empty config or hostconfig") } return c, h, err } // check if (a == c && b == d) || (a == d && b == c) // because maps are randomized func compareRandomizedStrings(a, b, c, d string) error { if a == c && b == d { return nil } if a == d && b == c { return nil } return fmt.Errorf("strings don't match") } // setupPlatformVolume takes two arrays of volume specs - a Unix style // spec and a Windows style spec. Depending on the platform being unit tested, // it returns one of them, along with a volume string that would be passed // on the docker CLI (eg -v /bar -v /foo). func setupPlatformVolume(u []string, w []string) ([]string, string) { var a []string if runtime.GOOS == "windows" { a = w } else { a = u } s := "" for _, v := range a { s = s + "-v " + v + " " } return a, s } // Simple parse with MacAddress validatation func TestParseWithMacAddress(t *testing.T) { invalidMacAddress := "--mac-address=invalidMacAddress" validMacAddress := "--mac-address=92:d0:c6:0a:29:33" if _, _, _, err := parseRun([]string{invalidMacAddress, "img", "cmd"}); err != nil && err.Error() != "invalidMacAddress is not a valid mac address" { t.Fatalf("Expected an error with %v mac-address, got %v", invalidMacAddress, err) } if config, _ := mustParse(t, validMacAddress); config.MacAddress != "92:d0:c6:0a:29:33" { t.Fatalf("Expected the config to have '92:d0:c6:0a:29:33' as MacAddress, got '%v'", config.MacAddress) } } func TestParseWithMemory(t *testing.T) { invalidMemory := "--memory=invalid" validMemory := "--memory=1G" if _, _, _, err := parseRun([]string{invalidMemory, "img", "cmd"}); err != nil && err.Error() != "invalid size: 'invalid'" { t.Fatalf("Expected an error with '%v' Memory, got '%v'", invalidMemory, err) } if _, hostconfig := mustParse(t, validMemory); hostconfig.Memory != 1073741824 { t.Fatalf("Expected the config to have '1G' as Memory, got '%v'", hostconfig.Memory) } } func TestParseWithMemorySwap(t *testing.T) { invalidMemory := "--memory-swap=invalid" validMemory := "--memory-swap=1G" anotherValidMemory := "--memory-swap=-1" if _, _, _, err := parseRun([]string{invalidMemory, "img", "cmd"}); err == nil || err.Error() != "invalid size: 'invalid'" { t.Fatalf("Expected an error with '%v' MemorySwap, got '%v'", invalidMemory, err) } if _, hostconfig := mustParse(t, validMemory); hostconfig.MemorySwap != 1073741824 { t.Fatalf("Expected the config to have '1073741824' as MemorySwap, got '%v'", hostconfig.MemorySwap) } if _, hostconfig := mustParse(t, anotherValidMemory); hostconfig.MemorySwap != -1 { t.Fatalf("Expected the config to have '-1' as MemorySwap, got '%v'", hostconfig.MemorySwap) } } func TestParseHostname(t *testing.T) { hostname := "--hostname=hostname" hostnameWithDomain := "--hostname=hostname.domainname" hostnameWithDomainTld := "--hostname=hostname.domainname.tld" if config, _ := mustParse(t, hostname); config.Hostname != "hostname" && config.Domainname != "" { t.Fatalf("Expected the config to have 'hostname' as hostname, got '%v'", config.Hostname) } if config, _ := mustParse(t, hostnameWithDomain); config.Hostname != "hostname" && config.Domainname != "domainname" { t.Fatalf("Expected the config to have 'hostname' as hostname, got '%v'", config.Hostname) } if config, _ := mustParse(t, hostnameWithDomainTld); config.Hostname != "hostname" && config.Domainname != "domainname.tld" { t.Fatalf("Expected the config to have 'hostname' as hostname, got '%v'", config.Hostname) } } func TestParseWithExpose(t *testing.T) { invalids := map[string]string{ ":": "Invalid port format for --expose: :", "8080:9090": "Invalid port format for --expose: 8080:9090", "/tcp": "Invalid range format for --expose: /tcp, error: Empty string specified for ports.", "/udp": "Invalid range format for --expose: /udp, error: Empty string specified for ports.", "NaN/tcp": `Invalid range format for --expose: NaN/tcp, error: strconv.ParseUint: parsing "NaN": invalid syntax`, "NaN-NaN/tcp": `Invalid range format for --expose: NaN-NaN/tcp, error: strconv.ParseUint: parsing "NaN": invalid syntax`, "8080-NaN/tcp": `Invalid range format for --expose: 8080-NaN/tcp, error: strconv.ParseUint: parsing "NaN": invalid syntax`, "1234567890-8080/tcp": `Invalid range format for --expose: 1234567890-8080/tcp, error: strconv.ParseUint: parsing "1234567890": value out of range`, } valids := map[string][]nat.Port{ "8080/tcp": {"8080/tcp"}, "8080/udp": {"8080/udp"}, "8080/ncp": {"8080/ncp"}, "8080-8080/udp": {"8080/udp"}, "8080-8082/tcp": {"8080/tcp", "8081/tcp", "8082/tcp"}, } for expose, expectedError := range invalids { if _, _, _, err := parseRun([]string{fmt.Sprintf("--expose=%v", expose), "img", "cmd"}); err == nil || err.Error() != expectedError { t.Fatalf("Expected error '%v' with '--expose=%v', got '%v'", expectedError, expose, err) } } for expose, exposedPorts := range valids { config, _, _, err := parseRun([]string{fmt.Sprintf("--expose=%v", expose), "img", "cmd"}) if err != nil { t.Fatal(err) } if len(config.ExposedPorts) != len(exposedPorts) { t.Fatalf("Expected %v exposed port, got %v", len(exposedPorts), len(config.ExposedPorts)) } for _, port := range exposedPorts { if _, ok := config.ExposedPorts[port]; !ok { t.Fatalf("Expected %v, got %v", exposedPorts, config.ExposedPorts) } } } // Merge with actual published port config, _, _, err := parseRun([]string{"--publish=80", "--expose=80-81/tcp", "img", "cmd"}) if err != nil { t.Fatal(err) } if len(config.ExposedPorts) != 2 { t.Fatalf("Expected 2 exposed ports, got %v", config.ExposedPorts) } ports := []nat.Port{"80/tcp", "81/tcp"} for _, port := range ports { if _, ok := config.ExposedPorts[port]; !ok { t.Fatalf("Expected %v, got %v", ports, config.ExposedPorts) } } } func TestParseDevice(t *testing.T) { valids := map[string]DeviceMapping{ "/dev/snd": { PathOnHost: "/dev/snd", PathInContainer: "/dev/snd", CgroupPermissions: "rwm", }, "/dev/snd:rw": { PathOnHost: "/dev/snd", PathInContainer: "/dev/snd", CgroupPermissions: "rw", }, "/dev/snd:/something": { PathOnHost: "/dev/snd", PathInContainer: "/something", CgroupPermissions: "rwm", }, "/dev/snd:/something:rw": { PathOnHost: "/dev/snd", PathInContainer: "/something", CgroupPermissions: "rw", }, } for device, deviceMapping := range valids { _, hostconfig, _, err := parseRun([]string{fmt.Sprintf("--device=%v", device), "img", "cmd"}) if err != nil { t.Fatal(err) } if len(hostconfig.Devices) != 1 { t.Fatalf("Expected 1 devices, got %v", hostconfig.Devices) } if hostconfig.Devices[0] != deviceMapping { t.Fatalf("Expected %v, got %v", deviceMapping, hostconfig.Devices) } } } func TestParseModes(t *testing.T) { // ipc ko if _, _, _, err := parseRun([]string{"--ipc=container:", "img", "cmd"}); err == nil || err.Error() != "--ipc: invalid IPC mode" { t.Fatalf("Expected an error with message '--ipc: invalid IPC mode', got %v", err) } // ipc ok _, hostconfig, _, err := parseRun([]string{"--ipc=host", "img", "cmd"}) if err != nil { t.Fatal(err) } if !hostconfig.IpcMode.Valid() { t.Fatalf("Expected a valid IpcMode, got %v", hostconfig.IpcMode) } // pid ko if _, _, _, err := parseRun([]string{"--pid=container:", "img", "cmd"}); err == nil || err.Error() != "--pid: invalid PID mode" { t.Fatalf("Expected an error with message '--pid: invalid PID mode', got %v", err) } // pid ok _, hostconfig, _, err = parseRun([]string{"--pid=host", "img", "cmd"}) if err != nil { t.Fatal(err) } if !hostconfig.PidMode.Valid() { t.Fatalf("Expected a valid PidMode, got %v", hostconfig.PidMode) } // uts ko if _, _, _, err := parseRun([]string{"--uts=container:", "img", "cmd"}); err == nil || err.Error() != "--uts: invalid UTS mode" { t.Fatalf("Expected an error with message '--uts: invalid UTS mode', got %v", err) } // uts ok _, hostconfig, _, err = parseRun([]string{"--uts=host", "img", "cmd"}) if err != nil { t.Fatal(err) } if !hostconfig.UTSMode.Valid() { t.Fatalf("Expected a valid UTSMode, got %v", hostconfig.UTSMode) } // shm-size ko if _, _, _, err = parseRun([]string{"--shm-size=a128m", "img", "cmd"}); err == nil || err.Error() != "invalid size: 'a128m'" { t.Fatalf("Expected an error with message 'invalid size: a128m', got %v", err) } // shm-size ok _, hostconfig, _, err = parseRun([]string{"--shm-size=128m", "img", "cmd"}) if err != nil { t.Fatal(err) } if *hostconfig.ShmSize != 134217728 { t.Fatalf("Expected a valid ShmSize, got %d", *hostconfig.ShmSize) } } func TestParseRestartPolicy(t *testing.T) { invalids := map[string]string{ "something": "invalid restart policy something", "always:2": "maximum restart count not valid with restart policy of \"always\"", "always:2:3": "maximum restart count not valid with restart policy of \"always\"", "on-failure:invalid": `strconv.ParseInt: parsing "invalid": invalid syntax`, "on-failure:2:5": "restart count format is not valid, usage: 'on-failure:N' or 'on-failure'", } valids := map[string]RestartPolicy{ "": {}, "always": { Name: "always", MaximumRetryCount: 0, }, "on-failure:1": { Name: "on-failure", MaximumRetryCount: 1, }, } for restart, expectedError := range invalids { if _, _, _, err := parseRun([]string{fmt.Sprintf("--restart=%s", restart), "img", "cmd"}); err == nil || err.Error() != expectedError { t.Fatalf("Expected an error with message '%v' for %v, got %v", expectedError, restart, err) } } for restart, expected := range valids { _, hostconfig, _, err := parseRun([]string{fmt.Sprintf("--restart=%v", restart), "img", "cmd"}) if err != nil { t.Fatal(err) } if hostconfig.RestartPolicy != expected { t.Fatalf("Expected %v, got %v", expected, hostconfig.RestartPolicy) } } } func TestParseLoggingOpts(t *testing.T) { // logging opts ko if _, _, _, err := parseRun([]string{"--log-driver=none", "--log-opt=anything", "img", "cmd"}); err == nil || err.Error() != "Invalid logging opts for driver none" { t.Fatalf("Expected an error with message 'Invalid logging opts for driver none', got %v", err) } // logging opts ok _, hostconfig, _, err := parseRun([]string{"--log-driver=syslog", "--log-opt=something", "img", "cmd"}) if err != nil { t.Fatal(err) } if hostconfig.LogConfig.Type != "syslog" || len(hostconfig.LogConfig.Config) != 1 { t.Fatalf("Expected a 'syslog' LogConfig with one config, got %v", hostconfig.RestartPolicy) } } func TestParseEnvfileVariables(t *testing.T) { e := "open nonexistent: no such file or directory" if runtime.GOOS == "windows" { e = "open nonexistent: The system cannot find the file specified." } // env ko if _, _, _, err := parseRun([]string{"--env-file=nonexistent", "img", "cmd"}); err == nil || err.Error() != e { t.Fatalf("Expected an error with message '%s', got %v", e, err) } // env ok config, _, _, err := parseRun([]string{"--env-file=fixtures/valid.env", "img", "cmd"}) if err != nil { t.Fatal(err) } if len(config.Env) != 1 || config.Env[0] != "ENV1=value1" { t.Fatalf("Expected a a config with [ENV1=value1], got %v", config.Env) } config, _, _, err = parseRun([]string{"--env-file=fixtures/valid.env", "--env=ENV2=value2", "img", "cmd"}) if err != nil { t.Fatal(err) } if len(config.Env) != 2 || config.Env[0] != "ENV1=value1" || config.Env[1] != "ENV2=value2" { t.Fatalf("Expected a a config with [ENV1=value1 ENV2=value2], got %v", config.Env) } } func TestParseLabelfileVariables(t *testing.T) { e := "open nonexistent: no such file or directory" if runtime.GOOS == "windows" { e = "open nonexistent: The system cannot find the file specified." } // label ko if _, _, _, err := parseRun([]string{"--label-file=nonexistent", "img", "cmd"}); err == nil || err.Error() != e { t.Fatalf("Expected an error with message '%s', got %v", e, err) } // label ok config, _, _, err := parseRun([]string{"--label-file=fixtures/valid.label", "img", "cmd"}) if err != nil { t.Fatal(err) } if len(config.Labels) != 1 || config.Labels["LABEL1"] != "value1" { t.Fatalf("Expected a a config with [LABEL1:value1], got %v", config.Labels) } config, _, _, err = parseRun([]string{"--label-file=fixtures/valid.label", "--label=LABEL2=value2", "img", "cmd"}) if err != nil { t.Fatal(err) } if len(config.Labels) != 2 || config.Labels["LABEL1"] != "value1" || config.Labels["LABEL2"] != "value2" { t.Fatalf("Expected a a config with [LABEL1:value1 LABEL2:value2], got %v", config.Labels) } } func TestParseEntryPoint(t *testing.T) { config, _, _, err := parseRun([]string{"--entrypoint=anything", "cmd", "img"}) if err != nil { t.Fatal(err) } if config.Entrypoint.Len() != 1 && config.Entrypoint.Slice()[0] != "anything" { t.Fatalf("Expected entrypoint 'anything', got %v", config.Entrypoint) } }