github.com/mizzy/docker@v1.5.0/integration-cli/docker_cli_create_test.go (about) 1 package main 2 3 import ( 4 "encoding/json" 5 "github.com/docker/docker/nat" 6 "os" 7 "os/exec" 8 "testing" 9 "time" 10 ) 11 12 // Make sure we can create a simple container with some args 13 func TestCreateArgs(t *testing.T) { 14 runCmd := exec.Command(dockerBinary, "create", "busybox", "command", "arg1", "arg2", "arg with space") 15 out, _, _, err := runCommandWithStdoutStderr(runCmd) 16 if err != nil { 17 t.Fatal(out, err) 18 } 19 20 cleanedContainerID := stripTrailingCharacters(out) 21 22 inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID) 23 out, _, err = runCommandWithOutput(inspectCmd) 24 if err != nil { 25 t.Fatalf("out should've been a container id: %s, %v", out, err) 26 } 27 28 containers := []struct { 29 ID string 30 Created time.Time 31 Path string 32 Args []string 33 Image string 34 }{} 35 if err := json.Unmarshal([]byte(out), &containers); err != nil { 36 t.Fatalf("Error inspecting the container: %s", err) 37 } 38 if len(containers) != 1 { 39 t.Fatalf("Unexpected container count. Expected 0, received: %d", len(containers)) 40 } 41 42 c := containers[0] 43 if c.Path != "command" { 44 t.Fatalf("Unexpected container path. Expected command, received: %s", c.Path) 45 } 46 47 b := false 48 expected := []string{"arg1", "arg2", "arg with space"} 49 for i, arg := range expected { 50 if arg != c.Args[i] { 51 b = true 52 break 53 } 54 } 55 if len(c.Args) != len(expected) || b { 56 t.Fatalf("Unexpected args. Expected %v, received: %v", expected, c.Args) 57 } 58 59 deleteAllContainers() 60 61 logDone("create - args") 62 } 63 64 // Make sure we can set hostconfig options too 65 func TestCreateHostConfig(t *testing.T) { 66 runCmd := exec.Command(dockerBinary, "create", "-P", "busybox", "echo") 67 out, _, _, err := runCommandWithStdoutStderr(runCmd) 68 if err != nil { 69 t.Fatal(out, err) 70 } 71 72 cleanedContainerID := stripTrailingCharacters(out) 73 74 inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID) 75 out, _, err = runCommandWithOutput(inspectCmd) 76 if err != nil { 77 t.Fatalf("out should've been a container id: %s, %v", out, err) 78 } 79 80 containers := []struct { 81 HostConfig *struct { 82 PublishAllPorts bool 83 } 84 }{} 85 if err := json.Unmarshal([]byte(out), &containers); err != nil { 86 t.Fatalf("Error inspecting the container: %s", err) 87 } 88 if len(containers) != 1 { 89 t.Fatalf("Unexpected container count. Expected 0, received: %d", len(containers)) 90 } 91 92 c := containers[0] 93 if c.HostConfig == nil { 94 t.Fatalf("Expected HostConfig, got none") 95 } 96 97 if !c.HostConfig.PublishAllPorts { 98 t.Fatalf("Expected PublishAllPorts, got false") 99 } 100 101 deleteAllContainers() 102 103 logDone("create - hostconfig") 104 } 105 106 func TestCreateWithPortRange(t *testing.T) { 107 runCmd := exec.Command(dockerBinary, "create", "-p", "3300-3303:3300-3303/tcp", "busybox", "echo") 108 out, _, _, err := runCommandWithStdoutStderr(runCmd) 109 if err != nil { 110 t.Fatal(out, err) 111 } 112 113 cleanedContainerID := stripTrailingCharacters(out) 114 115 inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID) 116 out, _, err = runCommandWithOutput(inspectCmd) 117 if err != nil { 118 t.Fatalf("out should've been a container id: %s, %v", out, err) 119 } 120 121 containers := []struct { 122 HostConfig *struct { 123 PortBindings map[nat.Port][]nat.PortBinding 124 } 125 }{} 126 if err := json.Unmarshal([]byte(out), &containers); err != nil { 127 t.Fatalf("Error inspecting the container: %s", err) 128 } 129 if len(containers) != 1 { 130 t.Fatalf("Unexpected container count. Expected 0, received: %d", len(containers)) 131 } 132 133 c := containers[0] 134 if c.HostConfig == nil { 135 t.Fatalf("Expected HostConfig, got none") 136 } 137 138 if len(c.HostConfig.PortBindings) != 4 { 139 t.Fatalf("Expected 4 ports bindings, got %d", len(c.HostConfig.PortBindings)) 140 } 141 for k, v := range c.HostConfig.PortBindings { 142 if len(v) != 1 { 143 t.Fatalf("Expected 1 ports binding, for the port %s but found %s", k, v) 144 } 145 if k.Port() != v[0].HostPort { 146 t.Fatalf("Expected host port %d to match published port %d", k.Port(), v[0].HostPort) 147 } 148 } 149 150 deleteAllContainers() 151 152 logDone("create - port range") 153 } 154 155 func TestCreateWithiLargePortRange(t *testing.T) { 156 runCmd := exec.Command(dockerBinary, "create", "-p", "1-65535:1-65535/tcp", "busybox", "echo") 157 out, _, _, err := runCommandWithStdoutStderr(runCmd) 158 if err != nil { 159 t.Fatal(out, err) 160 } 161 162 cleanedContainerID := stripTrailingCharacters(out) 163 164 inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID) 165 out, _, err = runCommandWithOutput(inspectCmd) 166 if err != nil { 167 t.Fatalf("out should've been a container id: %s, %v", out, err) 168 } 169 170 containers := []struct { 171 HostConfig *struct { 172 PortBindings map[nat.Port][]nat.PortBinding 173 } 174 }{} 175 if err := json.Unmarshal([]byte(out), &containers); err != nil { 176 t.Fatalf("Error inspecting the container: %s", err) 177 } 178 if len(containers) != 1 { 179 t.Fatalf("Unexpected container count. Expected 0, received: %d", len(containers)) 180 } 181 182 c := containers[0] 183 if c.HostConfig == nil { 184 t.Fatalf("Expected HostConfig, got none") 185 } 186 187 if len(c.HostConfig.PortBindings) != 65535 { 188 t.Fatalf("Expected 65535 ports bindings, got %d", len(c.HostConfig.PortBindings)) 189 } 190 for k, v := range c.HostConfig.PortBindings { 191 if len(v) != 1 { 192 t.Fatalf("Expected 1 ports binding, for the port %s but found %s", k, v) 193 } 194 if k.Port() != v[0].HostPort { 195 t.Fatalf("Expected host port %d to match published port %d", k.Port(), v[0].HostPort) 196 } 197 } 198 199 deleteAllContainers() 200 201 logDone("create - large port range") 202 } 203 204 // "test123" should be printed by docker create + start 205 func TestCreateEchoStdout(t *testing.T) { 206 runCmd := exec.Command(dockerBinary, "create", "busybox", "echo", "test123") 207 out, _, _, err := runCommandWithStdoutStderr(runCmd) 208 if err != nil { 209 t.Fatal(out, err) 210 } 211 212 cleanedContainerID := stripTrailingCharacters(out) 213 214 runCmd = exec.Command(dockerBinary, "start", "-ai", cleanedContainerID) 215 out, _, _, err = runCommandWithStdoutStderr(runCmd) 216 if err != nil { 217 t.Fatal(out, err) 218 } 219 220 if out != "test123\n" { 221 t.Errorf("container should've printed 'test123', got %q", out) 222 } 223 224 deleteAllContainers() 225 226 logDone("create - echo test123") 227 } 228 229 func TestCreateVolumesCreated(t *testing.T) { 230 name := "test_create_volume" 231 if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "create", "--name", name, "-v", "/foo", "busybox")); err != nil { 232 t.Fatal(out, err) 233 } 234 dir, err := inspectFieldMap(name, "Volumes", "/foo") 235 if err != nil { 236 t.Fatalf("Error getting volume host path: %q", err) 237 } 238 239 if _, err := os.Stat(dir); err != nil && os.IsNotExist(err) { 240 t.Fatalf("Volume was not created") 241 } 242 if err != nil { 243 t.Fatalf("Error statting volume host path: %q", err) 244 } 245 246 logDone("create - volumes are created") 247 }