github.com/sirupsen/docker@v0.10.1-0.20150325003727-22dba32b4dab/integration-cli/docker_cli_create_test.go (about) 1 package main 2 3 import ( 4 "encoding/json" 5 "os" 6 "os/exec" 7 "reflect" 8 "testing" 9 "time" 10 11 "github.com/docker/docker/nat" 12 ) 13 14 // Make sure we can create a simple container with some args 15 func TestCreateArgs(t *testing.T) { 16 defer deleteAllContainers() 17 18 runCmd := exec.Command(dockerBinary, "create", "busybox", "command", "arg1", "arg2", "arg with space") 19 out, _, _, err := runCommandWithStdoutStderr(runCmd) 20 if err != nil { 21 t.Fatal(out, err) 22 } 23 24 cleanedContainerID := stripTrailingCharacters(out) 25 26 inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID) 27 out, _, err = runCommandWithOutput(inspectCmd) 28 if err != nil { 29 t.Fatalf("out should've been a container id: %s, %v", out, err) 30 } 31 32 containers := []struct { 33 ID string 34 Created time.Time 35 Path string 36 Args []string 37 Image string 38 }{} 39 if err := json.Unmarshal([]byte(out), &containers); err != nil { 40 t.Fatalf("Error inspecting the container: %s", err) 41 } 42 if len(containers) != 1 { 43 t.Fatalf("Unexpected container count. Expected 0, received: %d", len(containers)) 44 } 45 46 c := containers[0] 47 if c.Path != "command" { 48 t.Fatalf("Unexpected container path. Expected command, received: %s", c.Path) 49 } 50 51 b := false 52 expected := []string{"arg1", "arg2", "arg with space"} 53 for i, arg := range expected { 54 if arg != c.Args[i] { 55 b = true 56 break 57 } 58 } 59 if len(c.Args) != len(expected) || b { 60 t.Fatalf("Unexpected args. Expected %v, received: %v", expected, c.Args) 61 } 62 63 logDone("create - args") 64 } 65 66 // Make sure we can set hostconfig options too 67 func TestCreateHostConfig(t *testing.T) { 68 defer deleteAllContainers() 69 70 runCmd := exec.Command(dockerBinary, "create", "-P", "busybox", "echo") 71 out, _, _, err := runCommandWithStdoutStderr(runCmd) 72 if err != nil { 73 t.Fatal(out, err) 74 } 75 76 cleanedContainerID := stripTrailingCharacters(out) 77 78 inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID) 79 out, _, err = runCommandWithOutput(inspectCmd) 80 if err != nil { 81 t.Fatalf("out should've been a container id: %s, %v", out, err) 82 } 83 84 containers := []struct { 85 HostConfig *struct { 86 PublishAllPorts bool 87 } 88 }{} 89 if err := json.Unmarshal([]byte(out), &containers); err != nil { 90 t.Fatalf("Error inspecting the container: %s", err) 91 } 92 if len(containers) != 1 { 93 t.Fatalf("Unexpected container count. Expected 0, received: %d", len(containers)) 94 } 95 96 c := containers[0] 97 if c.HostConfig == nil { 98 t.Fatalf("Expected HostConfig, got none") 99 } 100 101 if !c.HostConfig.PublishAllPorts { 102 t.Fatalf("Expected PublishAllPorts, got false") 103 } 104 105 logDone("create - hostconfig") 106 } 107 108 func TestCreateWithPortRange(t *testing.T) { 109 defer deleteAllContainers() 110 111 runCmd := exec.Command(dockerBinary, "create", "-p", "3300-3303:3300-3303/tcp", "busybox", "echo") 112 out, _, _, err := runCommandWithStdoutStderr(runCmd) 113 if err != nil { 114 t.Fatal(out, err) 115 } 116 117 cleanedContainerID := stripTrailingCharacters(out) 118 119 inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID) 120 out, _, err = runCommandWithOutput(inspectCmd) 121 if err != nil { 122 t.Fatalf("out should've been a container id: %s, %v", out, err) 123 } 124 125 containers := []struct { 126 HostConfig *struct { 127 PortBindings map[nat.Port][]nat.PortBinding 128 } 129 }{} 130 if err := json.Unmarshal([]byte(out), &containers); err != nil { 131 t.Fatalf("Error inspecting the container: %s", err) 132 } 133 if len(containers) != 1 { 134 t.Fatalf("Unexpected container count. Expected 0, received: %d", len(containers)) 135 } 136 137 c := containers[0] 138 if c.HostConfig == nil { 139 t.Fatalf("Expected HostConfig, got none") 140 } 141 142 if len(c.HostConfig.PortBindings) != 4 { 143 t.Fatalf("Expected 4 ports bindings, got %d", len(c.HostConfig.PortBindings)) 144 } 145 for k, v := range c.HostConfig.PortBindings { 146 if len(v) != 1 { 147 t.Fatalf("Expected 1 ports binding, for the port %s but found %s", k, v) 148 } 149 if k.Port() != v[0].HostPort { 150 t.Fatalf("Expected host port %d to match published port %d", k.Port(), v[0].HostPort) 151 } 152 } 153 154 logDone("create - port range") 155 } 156 157 func TestCreateWithiLargePortRange(t *testing.T) { 158 defer deleteAllContainers() 159 160 runCmd := exec.Command(dockerBinary, "create", "-p", "1-65535:1-65535/tcp", "busybox", "echo") 161 out, _, _, err := runCommandWithStdoutStderr(runCmd) 162 if err != nil { 163 t.Fatal(out, err) 164 } 165 166 cleanedContainerID := stripTrailingCharacters(out) 167 168 inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID) 169 out, _, err = runCommandWithOutput(inspectCmd) 170 if err != nil { 171 t.Fatalf("out should've been a container id: %s, %v", out, err) 172 } 173 174 containers := []struct { 175 HostConfig *struct { 176 PortBindings map[nat.Port][]nat.PortBinding 177 } 178 }{} 179 if err := json.Unmarshal([]byte(out), &containers); err != nil { 180 t.Fatalf("Error inspecting the container: %s", err) 181 } 182 if len(containers) != 1 { 183 t.Fatalf("Unexpected container count. Expected 0, received: %d", len(containers)) 184 } 185 186 c := containers[0] 187 if c.HostConfig == nil { 188 t.Fatalf("Expected HostConfig, got none") 189 } 190 191 if len(c.HostConfig.PortBindings) != 65535 { 192 t.Fatalf("Expected 65535 ports bindings, got %d", len(c.HostConfig.PortBindings)) 193 } 194 for k, v := range c.HostConfig.PortBindings { 195 if len(v) != 1 { 196 t.Fatalf("Expected 1 ports binding, for the port %s but found %s", k, v) 197 } 198 if k.Port() != v[0].HostPort { 199 t.Fatalf("Expected host port %d to match published port %d", k.Port(), v[0].HostPort) 200 } 201 } 202 203 logDone("create - large port range") 204 } 205 206 // "test123" should be printed by docker create + start 207 func TestCreateEchoStdout(t *testing.T) { 208 defer deleteAllContainers() 209 210 runCmd := exec.Command(dockerBinary, "create", "busybox", "echo", "test123") 211 out, _, _, err := runCommandWithStdoutStderr(runCmd) 212 if err != nil { 213 t.Fatal(out, err) 214 } 215 216 cleanedContainerID := stripTrailingCharacters(out) 217 218 runCmd = exec.Command(dockerBinary, "start", "-ai", cleanedContainerID) 219 out, _, _, err = runCommandWithStdoutStderr(runCmd) 220 if err != nil { 221 t.Fatal(out, err) 222 } 223 224 if out != "test123\n" { 225 t.Errorf("container should've printed 'test123', got %q", out) 226 } 227 228 logDone("create - echo test123") 229 } 230 231 func TestCreateVolumesCreated(t *testing.T) { 232 testRequires(t, SameHostDaemon) 233 defer deleteAllContainers() 234 235 name := "test_create_volume" 236 if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "create", "--name", name, "-v", "/foo", "busybox")); err != nil { 237 t.Fatal(out, err) 238 } 239 dir, err := inspectFieldMap(name, "Volumes", "/foo") 240 if err != nil { 241 t.Fatalf("Error getting volume host path: %q", err) 242 } 243 244 if _, err := os.Stat(dir); err != nil && os.IsNotExist(err) { 245 t.Fatalf("Volume was not created") 246 } 247 if err != nil { 248 t.Fatalf("Error statting volume host path: %q", err) 249 } 250 251 logDone("create - volumes are created") 252 } 253 254 func TestCreateLabels(t *testing.T) { 255 name := "test_create_labels" 256 expected := map[string]string{"k1": "v1", "k2": "v2"} 257 if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "create", "--name", name, "-l", "k1=v1", "--label", "k2=v2", "busybox")); err != nil { 258 t.Fatal(out, err) 259 } 260 261 actual := make(map[string]string) 262 err := inspectFieldAndMarshall(name, "Config.Labels", &actual) 263 if err != nil { 264 t.Fatal(err) 265 } 266 267 if !reflect.DeepEqual(expected, actual) { 268 t.Fatalf("Expected %s got %s", expected, actual) 269 } 270 271 deleteAllContainers() 272 273 logDone("create - labels") 274 } 275 276 func TestCreateLabelFromImage(t *testing.T) { 277 imageName := "testcreatebuildlabel" 278 defer deleteImages(imageName) 279 _, err := buildImage(imageName, 280 `FROM busybox 281 LABEL k1=v1 k2=v2`, 282 true) 283 if err != nil { 284 t.Fatal(err) 285 } 286 287 name := "test_create_labels_from_image" 288 expected := map[string]string{"k2": "x", "k3": "v3", "k1": "v1"} 289 if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "create", "--name", name, "-l", "k2=x", "--label", "k3=v3", imageName)); err != nil { 290 t.Fatal(out, err) 291 } 292 293 actual := make(map[string]string) 294 err = inspectFieldAndMarshall(name, "Config.Labels", &actual) 295 if err != nil { 296 t.Fatal(err) 297 } 298 299 if !reflect.DeepEqual(expected, actual) { 300 t.Fatalf("Expected %s got %s", expected, actual) 301 } 302 303 deleteAllContainers() 304 305 logDone("create - labels from image") 306 }