banger/internal/cli/cli_test.go
Thales Maciel 786d235f7f
Show image names in vm list and raise default memory
Make `banger vm list` easier to scan by resolving each VM image ID back to the registered image name when that mapping is available, while still falling back to a short ID for unknown images.

Raise the shared default VM memory from 1024 MiB to 2048 MiB so new VMs, CLI help, and daemon-side defaults all align on a 2 GiB baseline.

Add CLI coverage for the image-name rendering path and validate the change with go test ./..., make build, `banger vm list`, and `banger vm create --help`.
2026-03-21 22:21:47 -03:00

967 lines
29 KiB
Go

package cli
import (
"bytes"
"context"
"errors"
"fmt"
"io"
"os"
"os/exec"
"path/filepath"
"reflect"
"strings"
"testing"
"time"
"banger/internal/api"
"banger/internal/model"
"banger/internal/system"
)
func TestNewBangerCommandHasExpectedSubcommands(t *testing.T) {
cmd := NewBangerCommand()
names := []string{}
for _, sub := range cmd.Commands() {
names = append(names, sub.Name())
}
want := []string{"daemon", "doctor", "image", "internal", "vm"}
if !reflect.DeepEqual(names, want) {
t.Fatalf("subcommands = %v, want %v", names, want)
}
}
func TestLegacyRemovedCommandIsRejected(t *testing.T) {
cmd := NewBangerCommand()
cmd.SetArgs([]string{"tui"})
err := cmd.Execute()
if err == nil || !strings.Contains(err.Error(), "unknown command \"tui\"") {
t.Fatalf("Execute() error = %v, want unknown legacy command", err)
}
}
func TestDoctorCommandPrintsReportAndFailsOnHardFailures(t *testing.T) {
original := doctorFunc
t.Cleanup(func() {
doctorFunc = original
})
doctorFunc = func(context.Context) (system.Report, error) {
return system.Report{
Checks: []system.CheckResult{
{Name: "runtime bundle", Status: system.CheckStatusPass, Details: []string{"runtime dir /tmp/runtime"}},
{Name: "feature nat", Status: system.CheckStatusFail, Details: []string{"missing iptables"}},
},
}, nil
}
cmd := NewBangerCommand()
var stdout bytes.Buffer
cmd.SetOut(&stdout)
cmd.SetErr(&stdout)
cmd.SetArgs([]string{"doctor"})
err := cmd.Execute()
if err == nil || !strings.Contains(err.Error(), "doctor found failing checks") {
t.Fatalf("Execute() error = %v, want doctor failure", err)
}
output := stdout.String()
if !strings.Contains(output, "PASS\truntime bundle") {
t.Fatalf("output = %q, want runtime bundle pass", output)
}
if !strings.Contains(output, "FAIL\tfeature nat") {
t.Fatalf("output = %q, want feature nat fail", output)
}
}
func TestDoctorCommandReturnsUnderlyingError(t *testing.T) {
original := doctorFunc
t.Cleanup(func() {
doctorFunc = original
})
doctorFunc = func(context.Context) (system.Report, error) {
return system.Report{}, errors.New("load failed")
}
cmd := NewBangerCommand()
cmd.SetArgs([]string{"doctor"})
err := cmd.Execute()
if err == nil || !strings.Contains(err.Error(), "load failed") {
t.Fatalf("Execute() error = %v, want load failed", err)
}
}
func TestInternalNATFlagsExist(t *testing.T) {
root := NewBangerCommand()
internal, _, err := root.Find([]string{"internal"})
if err != nil {
t.Fatalf("find internal: %v", err)
}
nat, _, err := internal.Find([]string{"nat"})
if err != nil {
t.Fatalf("find nat: %v", err)
}
up, _, err := nat.Find([]string{"up"})
if err != nil {
t.Fatalf("find nat up: %v", err)
}
for _, flagName := range []string{"guest-ip", "tap"} {
if up.Flags().Lookup(flagName) == nil {
t.Fatalf("missing flag %q", flagName)
}
}
}
func TestInternalPackagesCommandSupportsAlpine(t *testing.T) {
cmd := NewBangerCommand()
var stdout bytes.Buffer
cmd.SetOut(&stdout)
cmd.SetArgs([]string{"internal", "packages", "alpine"})
if err := cmd.Execute(); err != nil {
t.Fatalf("Execute(): %v", err)
}
output := stdout.String()
for _, want := range []string{"alpine-base", "docker", "libgcc", "libstdc++", "mkinitfs", "openssh"} {
if !strings.Contains(output, want+"\n") {
t.Fatalf("output = %q, want package %q", output, want)
}
}
}
func TestVMCreateFlagsExist(t *testing.T) {
root := NewBangerCommand()
vm, _, err := root.Find([]string{"vm"})
if err != nil {
t.Fatalf("find vm: %v", err)
}
create, _, err := vm.Find([]string{"create"})
if err != nil {
t.Fatalf("find create: %v", err)
}
for _, flagName := range []string{"name", "image", "vcpu", "memory", "system-overlay-size", "disk-size", "nat", "no-start"} {
if create.Flags().Lookup(flagName) == nil {
t.Fatalf("missing flag %q", flagName)
}
}
}
func TestVMCreateFlagsShowStaticDefaults(t *testing.T) {
root := NewBangerCommand()
vm, _, err := root.Find([]string{"vm"})
if err != nil {
t.Fatalf("find vm: %v", err)
}
create, _, err := vm.Find([]string{"create"})
if err != nil {
t.Fatalf("find create: %v", err)
}
if got := create.Flags().Lookup("vcpu").DefValue; got != fmt.Sprintf("%d", model.DefaultVCPUCount) {
t.Fatalf("vcpu default = %q, want %d", got, model.DefaultVCPUCount)
}
if got := create.Flags().Lookup("memory").DefValue; got != fmt.Sprintf("%d", model.DefaultMemoryMiB) {
t.Fatalf("memory default = %q, want %d", got, model.DefaultMemoryMiB)
}
if got := create.Flags().Lookup("system-overlay-size").DefValue; got != model.FormatSizeBytes(model.DefaultSystemOverlaySize) {
t.Fatalf("system-overlay-size default = %q, want %q", got, model.FormatSizeBytes(model.DefaultSystemOverlaySize))
}
if got := create.Flags().Lookup("disk-size").DefValue; got != model.FormatSizeBytes(model.DefaultWorkDiskSize) {
t.Fatalf("disk-size default = %q, want %q", got, model.FormatSizeBytes(model.DefaultWorkDiskSize))
}
}
func TestImageRegisterFlagsExist(t *testing.T) {
root := NewBangerCommand()
image, _, err := root.Find([]string{"image"})
if err != nil {
t.Fatalf("find image: %v", err)
}
register, _, err := image.Find([]string{"register"})
if err != nil {
t.Fatalf("find register: %v", err)
}
for _, flagName := range []string{"name", "rootfs", "work-seed", "kernel", "initrd", "modules", "docker"} {
if register.Flags().Lookup(flagName) == nil {
t.Fatalf("missing flag %q", flagName)
}
}
}
func TestImagePromoteCommandExists(t *testing.T) {
root := NewBangerCommand()
image, _, err := root.Find([]string{"image"})
if err != nil {
t.Fatalf("find image: %v", err)
}
if _, _, err := image.Find([]string{"promote"}); err != nil {
t.Fatalf("find promote: %v", err)
}
}
func TestVMKillFlagsExist(t *testing.T) {
root := NewBangerCommand()
vm, _, err := root.Find([]string{"vm"})
if err != nil {
t.Fatalf("find vm: %v", err)
}
kill, _, err := vm.Find([]string{"kill"})
if err != nil {
t.Fatalf("find kill: %v", err)
}
if kill.Flags().Lookup("signal") == nil {
t.Fatal("missing signal flag")
}
}
func TestVMPortsCommandExists(t *testing.T) {
root := NewBangerCommand()
vm, _, err := root.Find([]string{"vm"})
if err != nil {
t.Fatalf("find vm: %v", err)
}
if _, _, err := vm.Find([]string{"ports"}); err != nil {
t.Fatalf("find ports: %v", err)
}
}
func TestVMPortsCommandRejectsMultipleRefs(t *testing.T) {
cmd := NewBangerCommand()
cmd.SetArgs([]string{"vm", "ports", "alpha", "beta"})
err := cmd.Execute()
if err == nil || !strings.Contains(err.Error(), "usage: banger vm ports <id-or-name>") {
t.Fatalf("Execute() error = %v, want single-vm usage error", err)
}
}
func TestVMSetParamsFromFlags(t *testing.T) {
params, err := vmSetParamsFromFlags("devbox", 4, 2048, "16G", true, false)
if err != nil {
t.Fatalf("vmSetParamsFromFlags: %v", err)
}
if params.IDOrName != "devbox" || params.VCPUCount == nil || *params.VCPUCount != 4 {
t.Fatalf("unexpected params: %+v", params)
}
if params.MemoryMiB == nil || *params.MemoryMiB != 2048 {
t.Fatalf("unexpected memory: %+v", params)
}
if params.WorkDiskSize != "16G" {
t.Fatalf("unexpected disk size: %+v", params)
}
if params.NATEnabled == nil || !*params.NATEnabled {
t.Fatalf("unexpected nat value: %+v", params)
}
}
func TestVMCreateParamsFromFlagsOmitsStaticDefaultsWhenFlagsAreUnchanged(t *testing.T) {
cmd := NewBangerCommand()
vm, _, err := cmd.Find([]string{"vm"})
if err != nil {
t.Fatalf("find vm: %v", err)
}
create, _, err := vm.Find([]string{"create"})
if err != nil {
t.Fatalf("find create: %v", err)
}
params, err := vmCreateParamsFromFlags(
create,
"devbox",
"default",
model.DefaultVCPUCount,
model.DefaultMemoryMiB,
model.FormatSizeBytes(model.DefaultSystemOverlaySize),
model.FormatSizeBytes(model.DefaultWorkDiskSize),
false,
false,
)
if err != nil {
t.Fatalf("vmCreateParamsFromFlags: %v", err)
}
if params.VCPUCount != nil || params.MemoryMiB != nil || params.SystemOverlaySize != "" || params.WorkDiskSize != "" {
t.Fatalf("expected unchanged defaults to stay omitted: %+v", params)
}
}
func TestVMCreateParamsFromFlagsIncludesChangedDiskFlags(t *testing.T) {
cmd := NewBangerCommand()
vm, _, err := cmd.Find([]string{"vm"})
if err != nil {
t.Fatalf("find vm: %v", err)
}
create, _, err := vm.Find([]string{"create"})
if err != nil {
t.Fatalf("find create: %v", err)
}
if err := create.Flags().Set("system-overlay-size", "16G"); err != nil {
t.Fatalf("set system-overlay-size flag: %v", err)
}
if err := create.Flags().Set("disk-size", "32G"); err != nil {
t.Fatalf("set disk-size flag: %v", err)
}
params, err := vmCreateParamsFromFlags(create, "devbox", "default", model.DefaultVCPUCount, model.DefaultMemoryMiB, "16G", "32G", false, false)
if err != nil {
t.Fatalf("vmCreateParamsFromFlags: %v", err)
}
if params.SystemOverlaySize != "16G" || params.WorkDiskSize != "32G" {
t.Fatalf("expected changed disk flags to be included: %+v", params)
}
}
func TestVMCreateParamsFromFlagsRejectsNonPositiveCPUAndMemory(t *testing.T) {
cmd := NewBangerCommand()
vm, _, err := cmd.Find([]string{"vm"})
if err != nil {
t.Fatalf("find vm: %v", err)
}
create, _, err := vm.Find([]string{"create"})
if err != nil {
t.Fatalf("find create: %v", err)
}
if err := create.Flags().Set("vcpu", "0"); err != nil {
t.Fatalf("set vcpu flag: %v", err)
}
if _, err := vmCreateParamsFromFlags(create, "devbox", "default", 0, 0, "", "", false, false); err == nil || !strings.Contains(err.Error(), "vcpu must be a positive integer") {
t.Fatalf("vmCreateParamsFromFlags(vcpu=0) error = %v", err)
}
if err := create.Flags().Set("memory", "-1"); err != nil {
t.Fatalf("set memory flag: %v", err)
}
if _, err := vmCreateParamsFromFlags(create, "devbox", "default", 1, -1, "", "", false, false); err == nil || !strings.Contains(err.Error(), "memory must be a positive integer") {
t.Fatalf("vmCreateParamsFromFlags(memory=-1) error = %v", err)
}
}
func TestRunVMCreatePollsUntilDone(t *testing.T) {
origBegin := vmCreateBeginFunc
origStatus := vmCreateStatusFunc
origCancel := vmCreateCancelFunc
t.Cleanup(func() {
vmCreateBeginFunc = origBegin
vmCreateStatusFunc = origStatus
vmCreateCancelFunc = origCancel
})
vm := model.VMRecord{
ID: "vm-id",
Name: "devbox",
Spec: model.VMSpec{WorkDiskSizeBytes: model.DefaultWorkDiskSize},
Runtime: model.VMRuntime{
State: model.VMStateRunning,
GuestIP: "172.16.0.2",
DNSName: "devbox.vm",
},
}
vmCreateBeginFunc = func(context.Context, string, api.VMCreateParams) (api.VMCreateBeginResult, error) {
return api.VMCreateBeginResult{
Operation: api.VMCreateOperation{
ID: "op-1",
Stage: "prepare_work_disk",
Detail: "cloning work seed",
},
}, nil
}
statusCalls := 0
vmCreateStatusFunc = func(context.Context, string, string) (api.VMCreateStatusResult, error) {
statusCalls++
if statusCalls == 1 {
return api.VMCreateStatusResult{
Operation: api.VMCreateOperation{
ID: "op-1",
Stage: "wait_opencode",
Detail: "waiting for opencode on guest port 4096",
},
}, nil
}
return api.VMCreateStatusResult{
Operation: api.VMCreateOperation{
ID: "op-1",
Stage: "ready",
Detail: "vm is ready",
Done: true,
Success: true,
VM: &vm,
},
}, nil
}
vmCreateCancelFunc = func(context.Context, string, string) error {
t.Fatal("cancel should not be called")
return nil
}
got, err := runVMCreate(context.Background(), "/tmp/bangerd.sock", &bytes.Buffer{}, api.VMCreateParams{Name: "devbox"})
if err != nil {
t.Fatalf("runVMCreate: %v", err)
}
if got.Name != vm.Name || got.Runtime.GuestIP != vm.Runtime.GuestIP {
t.Fatalf("vm = %+v, want %+v", got, vm)
}
if statusCalls != 2 {
t.Fatalf("statusCalls = %d, want 2", statusCalls)
}
}
func TestVMCreateProgressRendererSuppressesDuplicateLines(t *testing.T) {
var stderr bytes.Buffer
renderer := &vmCreateProgressRenderer{out: &stderr, enabled: true}
renderer.render(api.VMCreateOperation{Stage: "prepare_work_disk", Detail: "cloning work seed"})
renderer.render(api.VMCreateOperation{Stage: "prepare_work_disk", Detail: "cloning work seed"})
renderer.render(api.VMCreateOperation{Stage: "wait_opencode", Detail: "waiting for opencode on guest port 4096"})
lines := strings.Split(strings.TrimSpace(stderr.String()), "\n")
if len(lines) != 2 {
t.Fatalf("rendered lines = %q, want 2 lines", stderr.String())
}
if lines[0] != "[vm create] preparing work disk: cloning work seed" {
t.Fatalf("first line = %q", lines[0])
}
if lines[1] != "[vm create] waiting for opencode: waiting for opencode on guest port 4096" {
t.Fatalf("second line = %q", lines[1])
}
}
func TestVMSetParamsFromFlagsConflict(t *testing.T) {
if _, err := vmSetParamsFromFlags("devbox", -1, -1, "", true, true); err == nil {
t.Fatal("expected nat conflict error")
}
}
func TestVMSetParamsFromFlagsRejectsNonPositiveCPUAndMemory(t *testing.T) {
if _, err := vmSetParamsFromFlags("devbox", 0, -1, "", false, false); err == nil || !strings.Contains(err.Error(), "vcpu must be a positive integer") {
t.Fatalf("vmSetParamsFromFlags(vcpu=0) error = %v", err)
}
if _, err := vmSetParamsFromFlags("devbox", -1, 0, "", false, false); err == nil || !strings.Contains(err.Error(), "memory must be a positive integer") {
t.Fatalf("vmSetParamsFromFlags(memory=0) error = %v", err)
}
}
func TestAbsolutizeImageRegisterPaths(t *testing.T) {
tmp := t.TempDir()
params := api.ImageRegisterParams{
RootfsPath: filepath.Join(".", "runtime", "rootfs-void.ext4"),
WorkSeedPath: filepath.Join(".", "runtime", "rootfs-void.work-seed.ext4"),
KernelPath: filepath.Join(".", "runtime", "vmlinux"),
InitrdPath: filepath.Join(".", "runtime", "initrd.img"),
ModulesDir: filepath.Join(".", "runtime", "modules"),
}
wd, err := os.Getwd()
if err != nil {
t.Fatalf("Getwd: %v", err)
}
if err := os.Chdir(tmp); err != nil {
t.Fatalf("Chdir(%s): %v", tmp, err)
}
t.Cleanup(func() {
_ = os.Chdir(wd)
})
if err := absolutizeImageRegisterPaths(&params); err != nil {
t.Fatalf("absolutizeImageRegisterPaths: %v", err)
}
for _, value := range []string{
params.RootfsPath,
params.WorkSeedPath,
params.KernelPath,
params.InitrdPath,
params.ModulesDir,
} {
if !filepath.IsAbs(value) {
t.Fatalf("path %q is not absolute", value)
}
}
}
func TestPrintImageListTableShowsRootfsSizes(t *testing.T) {
rootfs := filepath.Join(t.TempDir(), "rootfs.ext4")
if err := os.WriteFile(rootfs, nil, 0o644); err != nil {
t.Fatalf("WriteFile(%s): %v", rootfs, err)
}
if err := os.Truncate(rootfs, 8*1024); err != nil {
t.Fatalf("Truncate(%s): %v", rootfs, err)
}
var out bytes.Buffer
err := printImageListTable(&out, []model.Image{
{
ID: "0123456789abcdef",
Name: "alpine",
Managed: true,
RootfsPath: rootfs,
CreatedAt: time.Now().Add(-1 * time.Hour),
},
{
ID: "fedcba9876543210",
Name: "missing",
Managed: false,
RootfsPath: filepath.Join(t.TempDir(), "missing.ext4"),
CreatedAt: time.Now().Add(-2 * time.Hour),
},
})
if err != nil {
t.Fatalf("printImageListTable() error = %v", err)
}
output := out.String()
if !strings.Contains(output, "ROOTFS SIZE") {
t.Fatalf("output = %q, want rootfs size header", output)
}
if !strings.Contains(output, "alpine") || !strings.Contains(output, "8K") {
t.Fatalf("output = %q, want alpine row with 8K size", output)
}
if strings.Contains(output, rootfs) {
t.Fatalf("output = %q, should not include rootfs path", output)
}
if !strings.Contains(output, "missing") || !strings.Contains(output, "-") {
t.Fatalf("output = %q, want fallback size for missing image", output)
}
}
func TestPrintVMListTableShowsImageNames(t *testing.T) {
var out bytes.Buffer
err := printVMListTable(&out, []model.VMRecord{
{
ID: "0123456789abcdef",
Name: "alp-fast",
ImageID: "image-alpine-123456",
State: model.VMStateRunning,
CreatedAt: time.Now().Add(-1 * time.Hour),
Spec: model.VMSpec{
VCPUCount: 2,
MemoryMiB: model.DefaultMemoryMiB,
WorkDiskSizeBytes: model.DefaultWorkDiskSize,
},
Runtime: model.VMRuntime{GuestIP: "172.16.0.4"},
},
{
ID: "fedcba9876543210",
Name: "mystery",
ImageID: "abcdef1234567890",
State: model.VMStateStopped,
CreatedAt: time.Now().Add(-2 * time.Hour),
Spec: model.VMSpec{
VCPUCount: 1,
MemoryMiB: 512,
WorkDiskSizeBytes: 4 * 1024 * 1024 * 1024,
},
},
}, map[string]string{
"image-alpine-123456": "alpine",
})
if err != nil {
t.Fatalf("printVMListTable() error = %v", err)
}
output := out.String()
if !strings.Contains(output, "IMAGE") || !strings.Contains(output, "MEM") {
t.Fatalf("output = %q, want vm list headers", output)
}
if !strings.Contains(output, "alp-fast") || !strings.Contains(output, "alpine") {
t.Fatalf("output = %q, want resolved image name", output)
}
if strings.Contains(output, "image-alpine-123456") {
t.Fatalf("output = %q, should not include full image id when name is known", output)
}
if !strings.Contains(output, shortID("abcdef1234567890")) {
t.Fatalf("output = %q, want short image id fallback", output)
}
if !strings.Contains(output, fmt.Sprintf("%d MiB", model.DefaultMemoryMiB)) {
t.Fatalf("output = %q, want updated default memory display", output)
}
}
func TestPrintVMPortsTableSortsAndRendersURLEndpoints(t *testing.T) {
result := api.VMPortsResult{
Name: "alpha",
Ports: []api.VMPort{
{
Proto: "https",
Port: 443,
Endpoint: "https://alpha.vm:443/",
Process: "caddy",
Command: "caddy run",
},
{
Proto: "udp",
Port: 53,
Endpoint: "alpha.vm:53",
Process: "dnsd",
Command: "dnsd --foreground",
},
},
}
var out bytes.Buffer
if err := printVMPortsTable(&out, result); err != nil {
t.Fatalf("printVMPortsTable: %v", err)
}
lines := strings.Split(strings.TrimSpace(out.String()), "\n")
if len(lines) != 3 {
t.Fatalf("lines = %q, want header + 2 rows", lines)
}
if !strings.Contains(lines[0], "PROTO") || !strings.Contains(lines[0], "ENDPOINT") || strings.Contains(lines[0], "VM") || strings.Contains(lines[0], "WEB") {
t.Fatalf("header = %q, want PROTO/ENDPOINT without VM/WEB", lines[0])
}
if !strings.Contains(lines[1], "https") || !strings.Contains(lines[1], "https://alpha.vm:443/") {
t.Fatalf("first row = %q, want https endpoint row", lines[1])
}
if !strings.Contains(lines[2], "udp") || !strings.Contains(lines[2], "alpha.vm:53") {
t.Fatalf("second row = %q, want udp endpoint row", lines[2])
}
}
func TestRunSSHSessionPrintsReminderWhenHealthCheckPasses(t *testing.T) {
origSSHExec := sshExecFunc
origHealth := vmHealthFunc
t.Cleanup(func() {
sshExecFunc = origSSHExec
vmHealthFunc = origHealth
})
sshExecFunc = func(ctx context.Context, stdin io.Reader, stdout, stderr io.Writer, args []string) error {
return nil
}
vmHealthFunc = func(ctx context.Context, socketPath, idOrName string) (api.VMHealthResult, error) {
return api.VMHealthResult{Name: "devbox", Healthy: true}, nil
}
var stderr bytes.Buffer
if err := runSSHSession(context.Background(), "/tmp/bangerd.sock", "devbox", strings.NewReader(""), &bytes.Buffer{}, &stderr, []string{"root@127.0.0.1"}); err != nil {
t.Fatalf("runSSHSession: %v", err)
}
if !strings.Contains(stderr.String(), "devbox is still running") {
t.Fatalf("stderr = %q, want reminder", stderr.String())
}
}
func TestRunSSHSessionPreservesSSHExitStatusOnHealthWarning(t *testing.T) {
origSSHExec := sshExecFunc
origHealth := vmHealthFunc
t.Cleanup(func() {
sshExecFunc = origSSHExec
vmHealthFunc = origHealth
})
sshExecFunc = func(ctx context.Context, stdin io.Reader, stdout, stderr io.Writer, args []string) error {
return exitErrorWithCode(t, 1)
}
vmHealthFunc = func(ctx context.Context, socketPath, idOrName string) (api.VMHealthResult, error) {
return api.VMHealthResult{}, errors.New("dial failed")
}
var stderr bytes.Buffer
err := runSSHSession(context.Background(), "/tmp/bangerd.sock", "devbox", strings.NewReader(""), &bytes.Buffer{}, &stderr, []string{"root@127.0.0.1"})
var exitErr *exec.ExitError
if !errors.As(err, &exitErr) {
t.Fatalf("runSSHSession error = %v, want exit error", err)
}
if !strings.Contains(stderr.String(), "failed to check whether devbox is still running") {
t.Fatalf("stderr = %q, want warning", stderr.String())
}
}
func TestRunSSHSessionSkipsReminderOnSSHAuthFailure(t *testing.T) {
origSSHExec := sshExecFunc
origHealth := vmHealthFunc
t.Cleanup(func() {
sshExecFunc = origSSHExec
vmHealthFunc = origHealth
})
healthCalled := false
sshExecFunc = func(ctx context.Context, stdin io.Reader, stdout, stderr io.Writer, args []string) error {
return exitErrorWithCode(t, 255)
}
vmHealthFunc = func(ctx context.Context, socketPath, idOrName string) (api.VMHealthResult, error) {
healthCalled = true
return api.VMHealthResult{Name: "devbox", Healthy: true}, nil
}
var stderr bytes.Buffer
err := runSSHSession(context.Background(), "/tmp/bangerd.sock", "devbox", strings.NewReader(""), &bytes.Buffer{}, &stderr, []string{"root@127.0.0.1"})
var exitErr *exec.ExitError
if !errors.As(err, &exitErr) || exitErr.ExitCode() != 255 {
t.Fatalf("runSSHSession error = %v, want exit 255", err)
}
if healthCalled {
t.Fatal("vm health should not run after ssh auth failure")
}
if strings.Contains(stderr.String(), "still running") {
t.Fatalf("stderr = %q, should not contain reminder", stderr.String())
}
}
func TestResolveVMTargetsDeduplicatesAndReportsErrors(t *testing.T) {
vms := []model.VMRecord{
testCLIResolvedVM("alpha-id", "alpha"),
testCLIResolvedVM("alpine-id", "alpine"),
testCLIResolvedVM("bravo-id", "bravo"),
}
targets, errs := resolveVMTargets(vms, []string{"alpha", "alpha-id", "al", "missing", "br"})
if len(targets) != 2 {
t.Fatalf("len(targets) = %d, want 2", len(targets))
}
if targets[0].VM.ID != "alpha-id" || targets[0].Ref != "alpha" {
t.Fatalf("targets[0] = %+v, want alpha target", targets[0])
}
if targets[1].VM.ID != "bravo-id" || targets[1].Ref != "br" {
t.Fatalf("targets[1] = %+v, want bravo target", targets[1])
}
if len(errs) != 2 {
t.Fatalf("len(errs) = %d, want 2", len(errs))
}
if errs[0].Ref != "al" || !strings.Contains(errs[0].Err.Error(), "multiple VMs match") {
t.Fatalf("errs[0] = %+v, want ambiguous prefix", errs[0])
}
if errs[1].Ref != "missing" || !strings.Contains(errs[1].Err.Error(), `vm "missing" not found`) {
t.Fatalf("errs[1] = %+v, want missing vm", errs[1])
}
}
func TestResolveVMRefPrefersExactMatchBeforePrefix(t *testing.T) {
vms := []model.VMRecord{
testCLIResolvedVM("1111111111111111111111111111111111111111111111111111111111111111", "alpha"),
testCLIResolvedVM("alpha222222222222222222222222222222222222222222222222222222222222", "bravo"),
}
vm, err := resolveVMRef(vms, "alpha")
if err != nil {
t.Fatalf("resolveVMRef(alpha): %v", err)
}
if vm.Name != "alpha" {
t.Fatalf("resolveVMRef(alpha) = %+v, want exact-name vm", vm)
}
}
func TestExecuteVMActionBatchRunsConcurrentlyAndPreservesOrder(t *testing.T) {
targets := []resolvedVMTarget{
{Ref: "alpha", VM: testCLIResolvedVM("alpha-id", "alpha")},
{Ref: "bravo", VM: testCLIResolvedVM("bravo-id", "bravo")},
}
started := make(chan string, len(targets))
release := make(chan struct{})
done := make(chan []vmBatchActionResult, 1)
go func() {
done <- executeVMActionBatch(context.Background(), targets, func(ctx context.Context, id string) (model.VMRecord, error) {
started <- id
<-release
return model.VMRecord{ID: id, Name: id}, nil
})
}()
for range targets {
select {
case <-started:
case <-time.After(500 * time.Millisecond):
t.Fatal("batch actions did not overlap")
}
}
close(release)
var results []vmBatchActionResult
select {
case results = <-done:
case <-time.After(500 * time.Millisecond):
t.Fatal("executeVMActionBatch did not finish")
}
if len(results) != len(targets) {
t.Fatalf("len(results) = %d, want %d", len(results), len(targets))
}
for index, result := range results {
if result.Target.Ref != targets[index].Ref {
t.Fatalf("results[%d].Target.Ref = %q, want %q", index, result.Target.Ref, targets[index].Ref)
}
if result.VM.ID != targets[index].VM.ID {
t.Fatalf("results[%d].VM.ID = %q, want %q", index, result.VM.ID, targets[index].VM.ID)
}
}
}
func TestSSHCommandArgs(t *testing.T) {
args, err := sshCommandArgs(model.DaemonConfig{SSHKeyPath: "/bundle/id_ed25519"}, "172.16.0.2", []string{"--", "uname", "-a"})
if err != nil {
t.Fatalf("sshCommandArgs: %v", err)
}
want := []string{
"-F", "/dev/null",
"-i", "/bundle/id_ed25519",
"-o", "IdentitiesOnly=yes",
"-o", "BatchMode=yes",
"-o", "PreferredAuthentications=publickey",
"-o", "PasswordAuthentication=no",
"-o", "KbdInteractiveAuthentication=no",
"-o", "StrictHostKeyChecking=no",
"-o", "UserKnownHostsFile=/dev/null",
"root@172.16.0.2",
"--", "uname", "-a",
}
if !reflect.DeepEqual(args, want) {
t.Fatalf("args = %v, want %v", args, want)
}
}
func TestValidateSSHPrereqs(t *testing.T) {
dir := t.TempDir()
keyPath := filepath.Join(dir, "id_ed25519")
if err := os.WriteFile(keyPath, []byte("key"), 0o600); err != nil {
t.Fatalf("write key: %v", err)
}
if err := validateSSHPrereqs(model.DaemonConfig{SSHKeyPath: keyPath}); err != nil {
t.Fatalf("validateSSHPrereqs: %v", err)
}
}
func exitErrorWithCode(t *testing.T, code int) *exec.ExitError {
t.Helper()
cmd := exec.Command("bash", "-lc", fmt.Sprintf("exit %d", code))
err := cmd.Run()
var exitErr *exec.ExitError
if !errors.As(err, &exitErr) {
t.Fatalf("exitErrorWithCode(%d) error = %v, want exit error", code, err)
}
return exitErr
}
func TestValidateSSHPrereqsFailsForMissingKey(t *testing.T) {
err := validateSSHPrereqs(model.DaemonConfig{SSHKeyPath: "/does/not/exist"})
if err == nil || !strings.Contains(err.Error(), "ssh private key") {
t.Fatalf("validateSSHPrereqs() error = %v, want missing key", err)
}
}
func TestNewBangerdCommandRejectsArgs(t *testing.T) {
cmd := NewBangerdCommand()
cmd.SetArgs([]string{"extra"})
if err := cmd.Execute(); err == nil {
t.Fatal("expected extra args to be rejected")
}
}
func TestDaemonOutdated(t *testing.T) {
dir := t.TempDir()
current := filepath.Join(dir, "bangerd-current")
same := filepath.Join(dir, "bangerd-same")
stale := filepath.Join(dir, "bangerd-stale")
if err := os.WriteFile(current, []byte("current"), 0o755); err != nil {
t.Fatalf("write current: %v", err)
}
if err := os.Link(current, same); err != nil {
t.Fatalf("hard link: %v", err)
}
if err := os.WriteFile(stale, []byte("stale"), 0o755); err != nil {
t.Fatalf("write stale: %v", err)
}
origBangerdPath := bangerdPathFunc
origDaemonExePath := daemonExePath
t.Cleanup(func() {
bangerdPathFunc = origBangerdPath
daemonExePath = origDaemonExePath
})
bangerdPathFunc = func() (string, error) {
return current, nil
}
daemonExePath = func(pid int) string {
if pid == 1 {
return same
}
return stale
}
if daemonOutdated(1) {
t.Fatal("expected matching daemon executable to be current")
}
if !daemonOutdated(2) {
t.Fatal("expected replaced daemon executable to be outdated")
}
}
func TestDaemonStatusIncludesLogPathWhenStopped(t *testing.T) {
configHome := filepath.Join(t.TempDir(), "config")
stateHome := filepath.Join(t.TempDir(), "state")
runtimeHome := filepath.Join(t.TempDir(), "runtime")
t.Setenv("XDG_CONFIG_HOME", configHome)
t.Setenv("XDG_STATE_HOME", stateHome)
t.Setenv("XDG_RUNTIME_DIR", runtimeHome)
cmd := NewBangerCommand()
var stdout bytes.Buffer
cmd.SetOut(&stdout)
cmd.SetErr(&stdout)
cmd.SetArgs([]string{"daemon", "status"})
if err := cmd.Execute(); err != nil {
t.Fatalf("Execute: %v", err)
}
output := stdout.String()
if !strings.Contains(output, "stopped\n") {
t.Fatalf("output = %q, want stopped status", output)
}
if !strings.Contains(output, "log: "+filepath.Join(stateHome, "banger", "bangerd.log")) {
t.Fatalf("output = %q, want daemon log path", output)
}
if !strings.Contains(output, "dns: 127.0.0.1:42069") {
t.Fatalf("output = %q, want dns listener", output)
}
if !strings.Contains(output, "web: http://127.0.0.1:7777") {
t.Fatalf("output = %q, want default web listener", output)
}
}
func TestBuildDaemonCommandIsDetachedFromCallerContext(t *testing.T) {
cmd := buildDaemonCommand("/tmp/bangerd")
if cmd.Path != "/tmp/bangerd" {
t.Fatalf("command path = %q", cmd.Path)
}
if cmd.Cancel != nil {
t.Fatal("daemon process should not be tied to a CLI request context")
}
}
func TestAbsolutizeImageBuildPaths(t *testing.T) {
dir := t.TempDir()
prev, err := os.Getwd()
if err != nil {
t.Fatalf("getwd: %v", err)
}
if err := os.Chdir(dir); err != nil {
t.Fatalf("chdir: %v", err)
}
t.Cleanup(func() {
_ = os.Chdir(prev)
})
params := api.ImageBuildParams{
FromImage: "base-image",
KernelPath: "/kernel",
InitrdPath: "boot/initrd.img",
ModulesDir: "modules",
}
if err := absolutizeImageBuildPaths(&params); err != nil {
t.Fatalf("absolutizeImageBuildPaths: %v", err)
}
want := api.ImageBuildParams{
FromImage: "base-image",
KernelPath: "/kernel",
InitrdPath: filepath.Join(dir, "boot/initrd.img"),
ModulesDir: filepath.Join(dir, "modules"),
}
if !reflect.DeepEqual(params, want) {
t.Fatalf("params = %+v, want %+v", params, want)
}
}
func testCLIResolvedVM(id, name string) model.VMRecord {
return model.VMRecord{ID: id, Name: name}
}