package main import ( "encoding/json" "github.com/docker/docker/nat" "os" "os/exec" "testing" "time" ) // Make sure we can create a simple container with some args func TestCreateArgs(t *testing.T) { runCmd := exec.Command(dockerBinary, "create", "busybox", "command", "arg1", "arg2", "arg with space") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatal(out, err) } cleanedContainerID := stripTrailingCharacters(out) inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID) out, _, err = runCommandWithOutput(inspectCmd) if err != nil { t.Fatalf("out should've been a container id: %s, %v", out, err) } containers := []struct { ID string Created time.Time Path string Args []string Image string }{} if err := json.Unmarshal([]byte(out), &containers); err != nil { t.Fatalf("Error inspecting the container: %s", err) } if len(containers) != 1 { t.Fatalf("Unexpected container count. Expected 0, received: %d", len(containers)) } c := containers[0] if c.Path != "command" { t.Fatalf("Unexpected container path. Expected command, received: %s", c.Path) } b := false expected := []string{"arg1", "arg2", "arg with space"} for i, arg := range expected { if arg != c.Args[i] { b = true break } } if len(c.Args) != len(expected) || b { t.Fatalf("Unexpected args. Expected %v, received: %v", expected, c.Args) } deleteAllContainers() logDone("create - args") } // Make sure we can set hostconfig options too func TestCreateHostConfig(t *testing.T) { runCmd := exec.Command(dockerBinary, "create", "-P", "busybox", "echo") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatal(out, err) } cleanedContainerID := stripTrailingCharacters(out) inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID) out, _, err = runCommandWithOutput(inspectCmd) if err != nil { t.Fatalf("out should've been a container id: %s, %v", out, err) } containers := []struct { HostConfig *struct { PublishAllPorts bool } }{} if err := json.Unmarshal([]byte(out), &containers); err != nil { t.Fatalf("Error inspecting the container: %s", err) } if len(containers) != 1 { t.Fatalf("Unexpected container count. Expected 0, received: %d", len(containers)) } c := containers[0] if c.HostConfig == nil { t.Fatalf("Expected HostConfig, got none") } if !c.HostConfig.PublishAllPorts { t.Fatalf("Expected PublishAllPorts, got false") } deleteAllContainers() logDone("create - hostconfig") } func TestCreateWithPortRange(t *testing.T) { runCmd := exec.Command(dockerBinary, "create", "-p", "3300-3303:3300-3303/tcp", "busybox", "echo") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatal(out, err) } cleanedContainerID := stripTrailingCharacters(out) inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID) out, _, err = runCommandWithOutput(inspectCmd) if err != nil { t.Fatalf("out should've been a container id: %s, %v", out, err) } containers := []struct { HostConfig *struct { PortBindings map[nat.Port][]nat.PortBinding } }{} if err := json.Unmarshal([]byte(out), &containers); err != nil { t.Fatalf("Error inspecting the container: %s", err) } if len(containers) != 1 { t.Fatalf("Unexpected container count. Expected 0, received: %d", len(containers)) } c := containers[0] if c.HostConfig == nil { t.Fatalf("Expected HostConfig, got none") } if len(c.HostConfig.PortBindings) != 4 { t.Fatalf("Expected 4 ports bindings, got %d", len(c.HostConfig.PortBindings)) } for k, v := range c.HostConfig.PortBindings { if len(v) != 1 { t.Fatalf("Expected 1 ports binding, for the port %s but found %s", k, v) } if k.Port() != v[0].HostPort { t.Fatalf("Expected host port %d to match published port %d", k.Port(), v[0].HostPort) } } deleteAllContainers() logDone("create - port range") } func TestCreateWithiLargePortRange(t *testing.T) { runCmd := exec.Command(dockerBinary, "create", "-p", "1-65535:1-65535/tcp", "busybox", "echo") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatal(out, err) } cleanedContainerID := stripTrailingCharacters(out) inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID) out, _, err = runCommandWithOutput(inspectCmd) if err != nil { t.Fatalf("out should've been a container id: %s, %v", out, err) } containers := []struct { HostConfig *struct { PortBindings map[nat.Port][]nat.PortBinding } }{} if err := json.Unmarshal([]byte(out), &containers); err != nil { t.Fatalf("Error inspecting the container: %s", err) } if len(containers) != 1 { t.Fatalf("Unexpected container count. Expected 0, received: %d", len(containers)) } c := containers[0] if c.HostConfig == nil { t.Fatalf("Expected HostConfig, got none") } if len(c.HostConfig.PortBindings) != 65535 { t.Fatalf("Expected 65535 ports bindings, got %d", len(c.HostConfig.PortBindings)) } for k, v := range c.HostConfig.PortBindings { if len(v) != 1 { t.Fatalf("Expected 1 ports binding, for the port %s but found %s", k, v) } if k.Port() != v[0].HostPort { t.Fatalf("Expected host port %d to match published port %d", k.Port(), v[0].HostPort) } } deleteAllContainers() logDone("create - large port range") } // "test123" should be printed by docker create + start func TestCreateEchoStdout(t *testing.T) { runCmd := exec.Command(dockerBinary, "create", "busybox", "echo", "test123") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatal(out, err) } cleanedContainerID := stripTrailingCharacters(out) runCmd = exec.Command(dockerBinary, "start", "-ai", cleanedContainerID) out, _, _, err = runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatal(out, err) } if out != "test123\n" { t.Errorf("container should've printed 'test123', got %q", out) } deleteAllContainers() logDone("create - echo test123") } func TestCreateVolumesCreated(t *testing.T) { name := "test_create_volume" if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "create", "--name", name, "-v", "/foo", "busybox")); err != nil { t.Fatal(out, err) } dir, err := inspectFieldMap(name, "Volumes", "/foo") if err != nil { t.Fatalf("Error getting volume host path: %q", err) } if _, err := os.Stat(dir); err != nil && os.IsNotExist(err) { t.Fatalf("Volume was not created") } if err != nil { t.Fatalf("Error statting volume host path: %q", err) } logDone("create - volumes are created") }