| package runconfig |
| |
| import ( |
| "fmt" |
| "strings" |
| "testing" |
| |
| "github.com/docker/docker/nat" |
| ) |
| |
| 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 |
| } |
| |
| // 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") |
| } |
| |
| 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) |
| } |
| |
| if _, _, err := parse(t, "--link a"); err == nil { |
| t.Fatalf("Error parsing links. `--link a` should be an error but is not") |
| } |
| if _, _, err := parse(t, "--link"); err == nil { |
| t.Fatalf("Error parsing links. `--link` should be an error but is not") |
| } |
| } |
| |
| 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 _, _, 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) { |
| if config, hostConfig := mustParse(t, "-v /tmp"); hostConfig.Binds != nil { |
| t.Fatalf("Error parsing volume flags, `-v /tmp` should not mount-bind anything. Received %v", hostConfig.Binds) |
| } else if _, exists := config.Volumes["/tmp"]; !exists { |
| t.Fatalf("Error parsing volume flags, `-v /tmp` is missing from volumes. Received %v", config.Volumes) |
| } |
| |
| if config, hostConfig := mustParse(t, "-v /tmp -v /var"); hostConfig.Binds != nil { |
| t.Fatalf("Error parsing volume flags, `-v /tmp -v /var` should not mount-bind anything. Received %v", hostConfig.Binds) |
| } else if _, exists := config.Volumes["/tmp"]; !exists { |
| t.Fatalf("Error parsing volume flags, `-v /tmp` is missing from volumes. Recevied %v", config.Volumes) |
| } else if _, exists := config.Volumes["/var"]; !exists { |
| t.Fatalf("Error parsing volume flags, `-v /var` is missing from volumes. Received %v", config.Volumes) |
| } |
| |
| if _, hostConfig := mustParse(t, "-v /hostTmp:/containerTmp"); hostConfig.Binds == nil || hostConfig.Binds[0] != "/hostTmp:/containerTmp" { |
| t.Fatalf("Error parsing volume flags, `-v /hostTmp:/containerTmp` should mount-bind /hostTmp into /containeTmp. Received %v", hostConfig.Binds) |
| } |
| |
| if _, hostConfig := mustParse(t, "-v /hostTmp:/containerTmp -v /hostVar:/containerVar"); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], "/hostTmp:/containerTmp", "/hostVar:/containerVar") != nil { |
| t.Fatalf("Error parsing volume flags, `-v /hostTmp:/containerTmp -v /hostVar:/containerVar` should mount-bind /hostTmp into /containeTmp and /hostVar into /hostContainer. Received %v", hostConfig.Binds) |
| } |
| |
| if _, hostConfig := mustParse(t, "-v /hostTmp:/containerTmp:ro -v /hostVar:/containerVar:rw"); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], "/hostTmp:/containerTmp:ro", "/hostVar:/containerVar:rw") != nil { |
| t.Fatalf("Error parsing volume flags, `-v /hostTmp:/containerTmp:ro -v /hostVar:/containerVar:rw` should mount-bind /hostTmp into /containeTmp and /hostVar into /hostContainer. Received %v", hostConfig.Binds) |
| } |
| |
| if config, hostConfig := mustParse(t, "-v /hostTmp:/containerTmp -v /containerVar"); hostConfig.Binds == nil || len(hostConfig.Binds) > 1 || hostConfig.Binds[0] != "/hostTmp:/containerTmp" { |
| t.Fatalf("Error parsing volume flags, `-v /hostTmp:/containerTmp -v /containerVar` should mount-bind only /hostTmp into /containeTmp. Received %v", hostConfig.Binds) |
| } else if _, exists := config.Volumes["/containerVar"]; !exists { |
| t.Fatalf("Error parsing volume flags, `-v /containerVar` is missing from volumes. Received %v", config.Volumes) |
| } |
| |
| if config, hostConfig := mustParse(t, ""); hostConfig.Binds != nil { |
| t.Fatalf("Error parsing volume flags, without volume, nothing should be mount-binded. Received %v", hostConfig.Binds) |
| } else if len(config.Volumes) != 0 { |
| t.Fatalf("Error parsing volume flags, without volume, no volume should be present. Received %v", config.Volumes) |
| } |
| |
| if _, _, err := parse(t, "-v /"); err == nil { |
| t.Fatalf("Expected error, but got none") |
| } |
| |
| if _, _, err := parse(t, "-v /:/"); err == nil { |
| t.Fatalf("Error parsing volume flags, `-v /:/` should fail but didn't") |
| } |
| if _, _, err := parse(t, "-v"); err == nil { |
| t.Fatalf("Error parsing volume flags, `-v` should fail but didn't") |
| } |
| if _, _, err := parse(t, "-v /tmp:"); err == nil { |
| t.Fatalf("Error parsing volume flags, `-v /tmp:` should fail but didn't") |
| } |
| if _, _, err := parse(t, "-v /tmp:ro"); err == nil { |
| t.Fatalf("Error parsing volume flags, `-v /tmp:ro` should fail but didn't") |
| } |
| if _, _, err := parse(t, "-v /tmp::"); err == nil { |
| t.Fatalf("Error parsing volume flags, `-v /tmp::` should fail but didn't") |
| } |
| if _, _, err := parse(t, "-v :"); err == nil { |
| t.Fatalf("Error parsing volume flags, `-v :` should fail but didn't") |
| } |
| if _, _, err := parse(t, "-v ::"); err == nil { |
| t.Fatalf("Error parsing volume flags, `-v ::` should fail but didn't") |
| } |
| if _, _, err := parse(t, "-v /tmp:/tmp:/tmp:/tmp"); err == nil { |
| t.Fatalf("Error parsing volume flags, `-v /tmp:/tmp:/tmp:/tmp` should fail but didn't") |
| } |
| } |
| |
| func TestCompare(t *testing.T) { |
| volumes1 := make(map[string]struct{}) |
| volumes1["/test1"] = struct{}{} |
| config1 := Config{ |
| PortSpecs: []string{"1111:1111", "2222:2222"}, |
| Env: []string{"VAR1=1", "VAR2=2"}, |
| Volumes: volumes1, |
| } |
| config3 := Config{ |
| PortSpecs: []string{"0000:0000", "2222:2222"}, |
| Env: []string{"VAR1=1", "VAR2=2"}, |
| Volumes: volumes1, |
| } |
| volumes2 := make(map[string]struct{}) |
| volumes2["/test2"] = struct{}{} |
| config5 := Config{ |
| PortSpecs: []string{"0000:0000", "2222:2222"}, |
| Env: []string{"VAR1=1", "VAR2=2"}, |
| Volumes: volumes2, |
| } |
| if Compare(&config1, &config3) { |
| t.Fatalf("Compare should return false, PortSpecs are different") |
| } |
| if Compare(&config1, &config5) { |
| t.Fatalf("Compare should return false, Volumes are different") |
| } |
| if !Compare(&config1, &config1) { |
| t.Fatalf("Compare should return true") |
| } |
| } |
| |
| func TestMerge(t *testing.T) { |
| volumesImage := make(map[string]struct{}) |
| volumesImage["/test1"] = struct{}{} |
| volumesImage["/test2"] = struct{}{} |
| configImage := &Config{ |
| PortSpecs: []string{"1111:1111", "2222:2222"}, |
| Env: []string{"VAR1=1", "VAR2=2"}, |
| Volumes: volumesImage, |
| } |
| |
| volumesUser := make(map[string]struct{}) |
| volumesUser["/test3"] = struct{}{} |
| configUser := &Config{ |
| PortSpecs: []string{"3333:2222", "3333:3333"}, |
| Env: []string{"VAR2=3", "VAR3=3"}, |
| Volumes: volumesUser, |
| } |
| |
| if err := Merge(configUser, configImage); err != nil { |
| t.Error(err) |
| } |
| |
| if len(configUser.ExposedPorts) != 3 { |
| t.Fatalf("Expected 3 ExposedPorts, 1111, 2222 and 3333, found %d", len(configUser.ExposedPorts)) |
| } |
| for portSpecs := range configUser.ExposedPorts { |
| if portSpecs.Port() != "1111" && portSpecs.Port() != "2222" && portSpecs.Port() != "3333" { |
| t.Fatalf("Expected 1111 or 2222 or 3333, found %s", portSpecs) |
| } |
| } |
| if len(configUser.Env) != 3 { |
| t.Fatalf("Expected 3 env var, VAR1=1, VAR2=3 and VAR3=3, found %d", len(configUser.Env)) |
| } |
| for _, env := range configUser.Env { |
| if env != "VAR1=1" && env != "VAR2=3" && env != "VAR3=3" { |
| t.Fatalf("Expected VAR1=1 or VAR2=3 or VAR3=3, found %s", env) |
| } |
| } |
| |
| if len(configUser.Volumes) != 3 { |
| t.Fatalf("Expected 3 volumes, /test1, /test2 and /test3, found %d", len(configUser.Volumes)) |
| } |
| for v := range configUser.Volumes { |
| if v != "/test1" && v != "/test2" && v != "/test3" { |
| t.Fatalf("Expected /test1 or /test2 or /test3, found %s", v) |
| } |
| } |
| |
| ports, _, err := nat.ParsePortSpecs([]string{"0000"}) |
| if err != nil { |
| t.Error(err) |
| } |
| configImage2 := &Config{ |
| ExposedPorts: ports, |
| } |
| |
| if err := Merge(configUser, configImage2); err != nil { |
| t.Error(err) |
| } |
| |
| if len(configUser.ExposedPorts) != 4 { |
| t.Fatalf("Expected 4 ExposedPorts, 0000, 1111, 2222 and 3333, found %d", len(configUser.ExposedPorts)) |
| } |
| for portSpecs := range configUser.ExposedPorts { |
| if portSpecs.Port() != "0" && portSpecs.Port() != "1111" && portSpecs.Port() != "2222" && portSpecs.Port() != "3333" { |
| t.Fatalf("Expected %q or %q or %q or %q, found %s", 0, 1111, 2222, 3333, portSpecs) |
| } |
| } |
| |
| } |