refactor: switch to plugin Cmd and add tests

go.mod

@@ -5,6 +5,7 @@ go 1.22
 require (
 	github.com/Masterminds/semver/v3 v3.2.1
 	github.com/rs/zerolog v1.32.0
+	github.com/stretchr/testify v1.9.0
 	github.com/thegeeklab/wp-plugin-go/v2 v2.3.1
 	github.com/urfave/cli/v2 v2.27.2
 	golang.org/x/sys v0.20.0
@@ -14,6 +15,7 @@ require (
 	github.com/Masterminds/goutils v1.1.1 // indirect
 	github.com/Masterminds/sprig/v3 v3.2.3 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.4 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/google/uuid v1.1.1 // indirect
 	github.com/huandu/xstrings v1.3.3 // indirect
 	github.com/imdario/mergo v0.3.11 // indirect
@@ -22,10 +24,12 @@ require (
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mitchellh/copystructure v1.0.0 // indirect
 	github.com/mitchellh/reflectwalk v1.0.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/shopspring/decimal v1.2.0 // indirect
 	github.com/spf13/cast v1.3.1 // indirect
 	github.com/xrash/smetrics v0.0.0-20240312152122-5f08fbb34913 // indirect
 	golang.org/x/crypto v0.23.0 // indirect
 	golang.org/x/net v0.25.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -90,6 +90,7 @@ golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGm
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=

plugin/impl.go

@@ -8,7 +8,9 @@ import (
 	"io"
 	"os"
 
+	"github.com/thegeeklab/wp-opentofu/tofu"
 	"github.com/thegeeklab/wp-plugin-go/v2/trace"
+	"github.com/thegeeklab/wp-plugin-go/v2/types"
 )
 
 var (
@@ -43,21 +45,21 @@ func (p *Plugin) run(ctx context.Context) error {
 
 func (p *Plugin) FlagsFromContext() error {
 	if p.Context.String("init-option") != "" {
-		initOptions := InitOptions{}
+		initOptions := tofu.InitOptions{}
 		if err := json.Unmarshal([]byte(p.Context.String("init-option")), &initOptions); err != nil {
 			return fmt.Errorf("cannot unmarshal init_option: %w", err)
 		}
 
-		p.Settings.InitOptions = initOptions
+		p.Settings.Tofu.InitOptions = initOptions
 	}
 
 	if p.Context.String("fmt-option") != "" {
-		fmtOptions := FmtOptions{}
+		fmtOptions := tofu.FmtOptions{}
 		if err := json.Unmarshal([]byte(p.Context.String("fmt-option")), &fmtOptions); err != nil {
 			return fmt.Errorf("cannot unmarshal fmt_option: %w", err)
 		}
 
-		p.Settings.FmtOptions = fmtOptions
+		p.Settings.Tofu.FmtOptions = fmtOptions
 	}
 
 	return nil
@@ -70,9 +72,9 @@ func (p *Plugin) Validate() error {
 		p.Settings.DataDir = value
 	}
 
-	p.Settings.OutFile = "plan.tfout"
+	p.Settings.Tofu.OutFile = "plan.tfout"
 	if p.Settings.DataDir == ".terraform" {
-		p.Settings.OutFile = fmt.Sprintf("%s.plan.tfout", p.Settings.DataDir)
+		p.Settings.Tofu.OutFile = fmt.Sprintf("%s.plan.tfout", p.Settings.DataDir)
 	}
 
 	return nil
@@ -80,8 +82,10 @@ func (p *Plugin) Validate() error {
 
 // Execute provides the implementation of the plugin.
 func (p *Plugin) Execute() error {
-	batchCmd := make([]*Cmd, 0)
-	batchCmd = append(batchCmd, p.versionCommand())
+	tofu := p.Settings.Tofu
+	batchCmd := make([]*types.Cmd, 0)
+
+	batchCmd = append(batchCmd, tofu.Version())
 
 	if p.Settings.TofuVersion != "" {
 		err := installPackage(p.Plugin.Network.Context, p.Plugin.Network.Client, p.Settings.TofuVersion, maxDecompressionSize)
@@ -90,29 +94,29 @@ func (p *Plugin) Execute() error {
 		}
 	}
 
-	batchCmd = append(batchCmd, p.initCommand())
-	batchCmd = append(batchCmd, p.getModulesCommand())
+	batchCmd = append(batchCmd, tofu.Init())
+	batchCmd = append(batchCmd, tofu.GetModules())
 
 	for _, action := range p.Settings.Action.Value() {
 		switch action {
 		case "fmt":
-			batchCmd = append(batchCmd, p.fmtCommand())
+			batchCmd = append(batchCmd, tofu.Fmt())
 		case "validate":
-			batchCmd = append(batchCmd, p.validateCommand())
+			batchCmd = append(batchCmd, tofu.Validate())
 		case "plan":
-			batchCmd = append(batchCmd, p.planCommand(false))
+			batchCmd = append(batchCmd, tofu.Plan(false))
 		case "plan-destroy":
-			batchCmd = append(batchCmd, p.planCommand(true))
+			batchCmd = append(batchCmd, tofu.Plan(true))
 		case "apply":
-			batchCmd = append(batchCmd, p.applyCommand())
+			batchCmd = append(batchCmd, tofu.Apply())
 		case "destroy":
-			batchCmd = append(batchCmd, p.destroyCommand())
+			batchCmd = append(batchCmd, tofu.Destroy())
 		default:
 			return fmt.Errorf("%w: %s", ErrActionUnknown, action)
 		}
 	}
 
-	if err := deleteDir(p.Settings.DataDir); err != nil {
+	if err := os.RemoveAll(p.Settings.DataDir); err != nil {
 		return err
 	}
 
@@ -136,5 +140,5 @@ func (p *Plugin) Execute() error {
 		}
 	}
 
-	return deleteDir(p.Settings.DataDir)
+	return os.RemoveAll(p.Settings.DataDir)
 }

plugin/plugin.go

@@ -3,9 +3,9 @@ package plugin
 import (
 	"fmt"
 
+	"github.com/thegeeklab/wp-opentofu/tofu"
 	wp "github.com/thegeeklab/wp-plugin-go/v2/plugin"
 	"github.com/urfave/cli/v2"
-	"golang.org/x/sys/execabs"
 )
 
 //go:generate go run ../internal/docs/main.go -output=../docs/data/data-raw.yaml
@@ -18,39 +18,11 @@ type Plugin struct {
 
 // Settings for the Plugin.
 type Settings struct {
-	Action cli.StringSlice
-
-	TofuVersion string
-	InitOptions InitOptions
-	FmtOptions  FmtOptions
-
+	Action      cli.StringSlice
 	RootDir     string
 	DataDir     string
-	OutFile     string
-	Parallelism int
-	Targets     cli.StringSlice
-	Refresh     bool
-	NoLog       bool
-}
-
-// InitOptions include options for the OpenTofu init command.
-type InitOptions struct {
-	BackendConfig []string `json:"backend-config"`
-	Lock          *bool    `json:"lock"`
-	LockTimeout   string   `json:"lock-timeout"`
-}
-
-// FmtOptions fmt options for the OpenTofu fmt command.
-type FmtOptions struct {
-	List  *bool `json:"list"`
-	Write *bool `json:"write"`
-	Diff  *bool `json:"diff"`
-	Check *bool `json:"check"`
-}
-
-type Cmd struct {
-	*execabs.Cmd
-	Private bool
+	TofuVersion string
+	Tofu        tofu.Tofu
 }
 
 func New(e wp.ExecuteFunc, build ...string) *Plugin {
@@ -123,14 +95,14 @@ func Flags(settings *Settings, category string) []cli.Flag {
 			Name:        "no-log",
 			Usage:       "suppress tofu command output for `plan`, `apply` and `destroy` action",
 			EnvVars:     []string{"PLUGIN_NO_LOG"},
-			Destination: &settings.NoLog,
+			Destination: &settings.Tofu.NoLog,
 			Category:    category,
 		},
 		&cli.StringSliceFlag{
 			Name:        "targets",
 			Usage:       "targets to run `plan` or `apply` action on",
 			EnvVars:     []string{"PLUGIN_TARGETS"},
-			Destination: &settings.Targets,
+			Destination: &settings.Tofu.Targets,
 			Category:    category,
 		},
 		&cli.StringFlag{
@@ -144,7 +116,7 @@ func Flags(settings *Settings, category string) []cli.Flag {
 			Name:        "refresh",
 			Usage:       "enables refreshing of the state before `plan` and `apply` commands",
 			EnvVars:     []string{"PLUGIN_REFRESH"},
-			Destination: &settings.Refresh,
+			Destination: &settings.Tofu.Refresh,
 			Value:       true,
 			Category:    category,
 		},

plugin/tofu.go

@@ -1,172 +0,0 @@
-package plugin
-
-import (
-	"fmt"
-
-	"golang.org/x/sys/execabs"
-)
-
-const (
-	tofuBin = "/usr/local/bin/tofu"
-)
-
-func (p *Plugin) versionCommand() *Cmd {
-	return &Cmd{
-		Cmd:     execabs.Command(tofuBin, "version"),
-		Private: p.Settings.NoLog,
-	}
-}
-
-func (p *Plugin) initCommand() *Cmd {
-	args := []string{
-		"init",
-	}
-
-	for _, v := range p.Settings.InitOptions.BackendConfig {
-		args = append(args, fmt.Sprintf("-backend-config=%s", v))
-	}
-
-	// Fail tofu execution on prompt
-	args = append(args, "-input=false")
-
-	return &Cmd{
-		Cmd: execabs.Command(tofuBin, args...),
-	}
-}
-
-func (p *Plugin) getModulesCommand() *Cmd {
-	return &Cmd{
-		Cmd: execabs.Command(tofuBin, "get"),
-	}
-}
-
-func (p *Plugin) validateCommand() *Cmd {
-	return &Cmd{
-		Cmd: execabs.Command(tofuBin, "validate"),
-	}
-}
-
-func (p *Plugin) fmtCommand() *Cmd {
-	args := []string{
-		"fmt",
-	}
-
-	if p.Settings.FmtOptions.List != nil {
-		args = append(args, fmt.Sprintf("-list=%t", *p.Settings.FmtOptions.List))
-	}
-
-	if p.Settings.FmtOptions.Write != nil {
-		args = append(args, fmt.Sprintf("-write=%t", *p.Settings.FmtOptions.Write))
-	}
-
-	if p.Settings.FmtOptions.Diff != nil {
-		args = append(args, fmt.Sprintf("-diff=%t", *p.Settings.FmtOptions.Diff))
-	}
-
-	if p.Settings.FmtOptions.Check != nil {
-		args = append(args, fmt.Sprintf("-check=%t", *p.Settings.FmtOptions.Check))
-	}
-
-	return &Cmd{
-		Cmd: execabs.Command(tofuBin, args...),
-	}
-}
-
-func (p *Plugin) planCommand(destroy bool) *Cmd {
-	args := []string{
-		"plan",
-	}
-
-	if destroy {
-		args = append(args, "-destroy")
-	} else {
-		args = append(args, fmt.Sprintf("-out=%s", p.Settings.OutFile))
-	}
-
-	for _, value := range p.Settings.Targets.Value() {
-		args = append(args, "--target", value)
-	}
-
-	if p.Settings.Parallelism > 0 {
-		args = append(args, fmt.Sprintf("-parallelism=%d", p.Settings.Parallelism))
-	}
-
-	if p.Settings.InitOptions.Lock != nil {
-		args = append(args, fmt.Sprintf("-lock=%t", *p.Settings.InitOptions.Lock))
-	}
-
-	if p.Settings.InitOptions.LockTimeout != "" {
-		args = append(args, fmt.Sprintf("-lock-timeout=%s", p.Settings.InitOptions.LockTimeout))
-	}
-
-	if !p.Settings.Refresh {
-		args = append(args, "-refresh=false")
-	}
-
-	return &Cmd{
-		Cmd:     execabs.Command(tofuBin, args...),
-		Private: p.Settings.NoLog,
-	}
-}
-
-func (p *Plugin) applyCommand() *Cmd {
-	args := []string{
-		"apply",
-	}
-
-	for _, v := range p.Settings.Targets.Value() {
-		args = append(args, "--target", v)
-	}
-
-	if p.Settings.Parallelism > 0 {
-		args = append(args, fmt.Sprintf("-parallelism=%d", p.Settings.Parallelism))
-	}
-
-	if p.Settings.InitOptions.Lock != nil {
-		args = append(args, fmt.Sprintf("-lock=%t", *p.Settings.InitOptions.Lock))
-	}
-
-	if p.Settings.InitOptions.LockTimeout != "" {
-		args = append(args, fmt.Sprintf("-lock-timeout=%s", p.Settings.InitOptions.LockTimeout))
-	}
-
-	if !p.Settings.Refresh {
-		args = append(args, "-refresh=false")
-	}
-
-	args = append(args, p.Settings.OutFile)
-
-	return &Cmd{
-		Cmd:     execabs.Command(tofuBin, args...),
-		Private: p.Settings.NoLog,
-	}
-}
-
-func (p *Plugin) destroyCommand() *Cmd {
-	args := []string{
-		"destroy",
-	}
-
-	for _, v := range p.Settings.Targets.Value() {
-		args = append(args, fmt.Sprintf("-target=%s", v))
-	}
-
-	if p.Settings.Parallelism > 0 {
-		args = append(args, fmt.Sprintf("-parallelism=%d", p.Settings.Parallelism))
-	}
-
-	if p.Settings.InitOptions.Lock != nil {
-		args = append(args, fmt.Sprintf("-lock=%t", *p.Settings.InitOptions.Lock))
-	}
-
-	if p.Settings.InitOptions.LockTimeout != "" {
-		args = append(args, fmt.Sprintf("-lock-timeout=%s", p.Settings.InitOptions.LockTimeout))
-	}
-
-	args = append(args, "-auto-approve")
-
-	return &Cmd{
-		Cmd:     execabs.Command(tofuBin, args...),
-		Private: p.Settings.NoLog,
-	}
-}

plugin/utils.go

@@ -13,6 +13,7 @@ import (
 
 	"github.com/Masterminds/semver/v3"
 	"github.com/rs/zerolog/log"
+	"github.com/thegeeklab/wp-opentofu/tofu"
 )
 
 func installPackage(ctx context.Context, client *http.Client, version string, maxSize int64) error {
@@ -34,7 +35,7 @@ func installPackage(ctx context.Context, client *http.Client, version string, ma
 	}
 
 	defer func() {
-		_ = deleteDir(tmpdir)
+		_ = os.RemoveAll(tmpdir)
 	}()
 
 	log.Debug().
@@ -51,7 +52,7 @@ func installPackage(ctx context.Context, client *http.Client, version string, ma
 		return fmt.Errorf("failed to unzip: %w", err)
 	}
 
-	if err := os.Rename(filepath.Join(tmpdir, "tofu"), tofuBin); err != nil {
+	if err := os.Rename(filepath.Join(tmpdir, "tofu"), tofu.TofuBin); err != nil {
 		return fmt.Errorf("failed to rename: %w", err)
 	}
 
@@ -169,7 +170,3 @@ func sanitizeArchivePath(d, t string) (string, error) {
 
 	return "", fmt.Errorf("%w: %v", ErrTaintedPath, t)
 }
-
-func deleteDir(path string) error {
-	return os.RemoveAll(path)
-}

tofu/tofu.go

@@ -0,0 +1,200 @@
+package tofu
+
+import (
+	"fmt"
+
+	"github.com/thegeeklab/wp-plugin-go/v2/types"
+	"github.com/urfave/cli/v2"
+	"golang.org/x/sys/execabs"
+)
+
+const TofuBin = "/usr/local/bin/tofu"
+
+type Tofu struct {
+	InitOptions InitOptions
+	FmtOptions  FmtOptions
+
+	OutFile     string
+	Parallelism int
+	Targets     cli.StringSlice
+	Refresh     bool
+	NoLog       bool
+}
+
+// InitOptions include options for the OpenTofu init command.
+type InitOptions struct {
+	BackendConfig []string `json:"backend-config"`
+	Lock          *bool    `json:"lock"`
+	LockTimeout   string   `json:"lock-timeout"`
+}
+
+// FmtOptions fmt options for the OpenTofu fmt command.
+type FmtOptions struct {
+	List  *bool `json:"list"`
+	Write *bool `json:"write"`
+	Diff  *bool `json:"diff"`
+	Check *bool `json:"check"`
+}
+
+func (t *Tofu) Version() *types.Cmd {
+	return &types.Cmd{
+		Cmd:     execabs.Command(TofuBin, "version"),
+		Private: t.NoLog,
+	}
+}
+
+func (t *Tofu) Init() *types.Cmd {
+	args := []string{
+		"init",
+	}
+
+	for _, v := range t.InitOptions.BackendConfig {
+		args = append(args, fmt.Sprintf("-backend-config=%s", v))
+	}
+
+	// Fail tofu execution on prompt
+	args = append(args, "-input=false")
+
+	return &types.Cmd{
+		Cmd: execabs.Command(TofuBin, args...),
+	}
+}
+
+func (t *Tofu) GetModules() *types.Cmd {
+	return &types.Cmd{
+		Cmd: execabs.Command(TofuBin, "get"),
+	}
+}
+
+func (t *Tofu) Validate() *types.Cmd {
+	return &types.Cmd{
+		Cmd: execabs.Command(TofuBin, "validate"),
+	}
+}
+
+func (t *Tofu) Fmt() *types.Cmd {
+	args := []string{
+		"fmt",
+	}
+
+	if t.FmtOptions.List != nil {
+		args = append(args, fmt.Sprintf("-list=%t", *t.FmtOptions.List))
+	}
+
+	if t.FmtOptions.Write != nil {
+		args = append(args, fmt.Sprintf("-write=%t", *t.FmtOptions.Write))
+	}
+
+	if t.FmtOptions.Diff != nil {
+		args = append(args, fmt.Sprintf("-diff=%t", *t.FmtOptions.Diff))
+	}
+
+	if t.FmtOptions.Check != nil {
+		args = append(args, fmt.Sprintf("-check=%t", *t.FmtOptions.Check))
+	}
+
+	return &types.Cmd{
+		Cmd: execabs.Command(TofuBin, args...),
+	}
+}
+
+func (t *Tofu) Plan(destroy bool) *types.Cmd {
+	args := []string{
+		"plan",
+	}
+
+	if destroy {
+		args = append(args, "-destroy")
+	} else if t.OutFile != "" {
+		args = append(args, fmt.Sprintf("-out=%s", t.OutFile))
+	}
+
+	for _, value := range t.Targets.Value() {
+		args = append(args, "--target", value)
+	}
+
+	if t.Parallelism > 0 {
+		args = append(args, fmt.Sprintf("-parallelism=%d", t.Parallelism))
+	}
+
+	if t.InitOptions.Lock != nil {
+		args = append(args, fmt.Sprintf("-lock=%t", *t.InitOptions.Lock))
+	}
+
+	if t.InitOptions.LockTimeout != "" {
+		args = append(args, fmt.Sprintf("-lock-timeout=%s", t.InitOptions.LockTimeout))
+	}
+
+	if !t.Refresh {
+		args = append(args, "-refresh=false")
+	}
+
+	return &types.Cmd{
+		Cmd:     execabs.Command(TofuBin, args...),
+		Private: t.NoLog,
+	}
+}
+
+func (t *Tofu) Apply() *types.Cmd {
+	args := []string{
+		"apply",
+	}
+
+	for _, v := range t.Targets.Value() {
+		args = append(args, "--target", v)
+	}
+
+	if t.Parallelism > 0 {
+		args = append(args, fmt.Sprintf("-parallelism=%d", t.Parallelism))
+	}
+
+	if t.InitOptions.Lock != nil {
+		args = append(args, fmt.Sprintf("-lock=%t", *t.InitOptions.Lock))
+	}
+
+	if t.InitOptions.LockTimeout != "" {
+		args = append(args, fmt.Sprintf("-lock-timeout=%s", t.InitOptions.LockTimeout))
+	}
+
+	if !t.Refresh {
+		args = append(args, "-refresh=false")
+	}
+
+	if t.OutFile != "" {
+		args = append(args, t.OutFile)
+	}
+
+	return &types.Cmd{
+		Cmd:     execabs.Command(TofuBin, args...),
+		Private: t.NoLog,
+	}
+}
+
+func (t *Tofu) Destroy() *types.Cmd {
+	args := []string{
+		"destroy",
+	}
+
+	for _, v := range t.Targets.Value() {
+		args = append(args, fmt.Sprintf("-target=%s", v))
+	}
+
+	if t.Parallelism > 0 {
+		args = append(args, fmt.Sprintf("-parallelism=%d", t.Parallelism))
+	}
+
+	if t.InitOptions.Lock != nil {
+		args = append(args, fmt.Sprintf("-lock=%t", *t.InitOptions.Lock))
+	}
+
+	if t.InitOptions.LockTimeout != "" {
+		args = append(args, fmt.Sprintf("-lock-timeout=%s", t.InitOptions.LockTimeout))
+	}
+
+	args = append(args, "-auto-approve")
+
+	return &types.Cmd{
+		Cmd:     execabs.Command(TofuBin, args...),
+		Private: t.NoLog,
+	}
+}

tofu/tofu_test.go

@@ -0,0 +1,545 @@
+package tofu
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/urfave/cli/v2"
+)
+
+func boolPtr(b bool) *bool {
+	return &b
+}
+
+func TestTofu_Version(t *testing.T) {
+	tests := []struct {
+		name string
+		tofu *Tofu
+		want []string
+	}{
+		{
+			name: "test version command",
+			tofu: &Tofu{},
+			want: []string{TofuBin, "version"},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cmd := tt.tofu.Version()
+			assert.Equal(t, tt.want, cmd.Cmd.Args)
+		})
+	}
+}
+
+func TestTofu_Init(t *testing.T) {
+	tests := []struct {
+		name string
+		tofu *Tofu
+		want []string
+	}{
+		{
+			name: "init with no backend config",
+			tofu: &Tofu{},
+			want: []string{
+				TofuBin,
+				"init",
+				"-input=false",
+			},
+		},
+		{
+			name: "init with single backend config",
+			tofu: &Tofu{
+				InitOptions: InitOptions{
+					BackendConfig: []string{"key=value"},
+				},
+			},
+			want: []string{
+				TofuBin,
+				"init",
+				"-backend-config=key=value",
+				"-input=false",
+			},
+		},
+		{
+			name: "init with multiple backend configs",
+			tofu: &Tofu{
+				InitOptions: InitOptions{
+					BackendConfig: []string{"key1=value1", "key2=value2"},
+				},
+			},
+			want: []string{
+				TofuBin,
+				"init",
+				"-backend-config=key1=value1",
+				"-backend-config=key2=value2",
+				"-input=false",
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cmd := tt.tofu.Init()
+			assert.Equal(t, tt.want, cmd.Cmd.Args)
+		})
+	}
+}
+
+func TestTofu_GetModules(t *testing.T) {
+	tests := []struct {
+		name string
+		tofu *Tofu
+		want []string
+	}{
+		{
+			name: "get modules command",
+			tofu: &Tofu{},
+			want: []string{TofuBin, "get"},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cmd := tt.tofu.GetModules()
+			assert.Equal(t, tt.want, cmd.Cmd.Args)
+		})
+	}
+}
+
+func TestTofu_Validate(t *testing.T) {
+	tests := []struct {
+		name string
+		tofu *Tofu
+		want []string
+	}{
+		{
+			name: "validate command",
+			tofu: &Tofu{},
+			want: []string{TofuBin, "validate"},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cmd := tt.tofu.Validate()
+			assert.Equal(t, tt.want, cmd.Cmd.Args)
+		})
+	}
+}
+
+func TestTofu_Fmt(t *testing.T) {
+	tests := []struct {
+		name string
+		tofu *Tofu
+		want []string
+	}{
+		{
+			name: "fmt with no options",
+			tofu: &Tofu{},
+			want: []string{
+				TofuBin,
+				"fmt",
+			},
+		},
+		{
+			name: "fmt with list option",
+			tofu: &Tofu{
+				FmtOptions: FmtOptions{
+					List: boolPtr(true),
+				},
+			},
+			want: []string{
+				TofuBin,
+				"fmt",
+				"-list=true",
+			},
+		},
+		{
+			name: "fmt with write option",
+			tofu: &Tofu{
+				FmtOptions: FmtOptions{
+					Write: boolPtr(true),
+				},
+			},
+			want: []string{
+				TofuBin,
+				"fmt",
+				"-write=true",
+			},
+		},
+		{
+			name: "fmt with diff option",
+			tofu: &Tofu{
+				FmtOptions: FmtOptions{
+					Diff: boolPtr(true),
+				},
+			},
+			want: []string{
+				TofuBin,
+				"fmt",
+				"-diff=true",
+			},
+		},
+		{
+			name: "fmt with check option",
+			tofu: &Tofu{
+				FmtOptions: FmtOptions{
+					Check: boolPtr(true),
+				},
+			},
+			want: []string{
+				TofuBin,
+				"fmt",
+				"-check=true",
+			},
+		},
+		{
+			name: "fmt with multiple options",
+			tofu: &Tofu{
+				FmtOptions: FmtOptions{
+					List:  boolPtr(true),
+					Write: boolPtr(true),
+					Diff:  boolPtr(true),
+					Check: boolPtr(true),
+				},
+			},
+			want: []string{
+				TofuBin,
+				"fmt",
+				"-list=true",
+				"-write=true",
+				"-diff=true",
+				"-check=true",
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cmd := tt.tofu.Fmt()
+			assert.Equal(t, tt.want, cmd.Cmd.Args)
+		})
+	}
+}
+
+func TestTofu_Plan(t *testing.T) {
+	tests := []struct {
+		name    string
+		tofu    *Tofu
+		destroy bool
+		want    []string
+	}{
+		{
+			name:    "plan with no options",
+			tofu:    &Tofu{},
+			destroy: false,
+			want: []string{
+				TofuBin,
+				"plan",
+				"-refresh=false",
+			},
+		},
+		{
+			name: "plan with output options",
+			tofu: &Tofu{
+				OutFile: "plan.tfout",
+			},
+			destroy: false,
+			want: []string{
+				TofuBin,
+				"plan",
+				"-out=plan.tfout",
+				"-refresh=false",
+			},
+		},
+		{
+			name:    "plan with destroy option",
+			tofu:    &Tofu{},
+			destroy: true,
+			want: []string{
+				TofuBin,
+				"plan",
+				"-destroy",
+				"-refresh=false",
+			},
+		},
+		{
+			name: "plan with targets",
+			tofu: &Tofu{
+				Targets: *cli.NewStringSlice("target1", "target2"),
+			},
+			destroy: false,
+			want: []string{
+				TofuBin,
+				"plan",
+				"--target", "target1",
+				"--target", "target2",
+				"-refresh=false",
+			},
+		},
+		{
+			name: "plan with parallelism",
+			tofu: &Tofu{
+				Parallelism: 10,
+			},
+			destroy: false,
+			want: []string{
+				TofuBin,
+				"plan",
+				"-parallelism=10",
+				"-refresh=false",
+			},
+		},
+		{
+			name: "plan with lock option",
+			tofu: &Tofu{
+				InitOptions: InitOptions{
+					Lock: boolPtr(true),
+				},
+			},
+			destroy: false,
+			want: []string{
+				TofuBin,
+				"plan",
+				"-lock=true",
+				"-refresh=false",
+			},
+		},
+		{
+			name: "plan with lock timeout",
+			tofu: &Tofu{
+				InitOptions: InitOptions{
+					LockTimeout: "10s",
+				},
+			},
+			destroy: false,
+			want: []string{
+				TofuBin,
+				"plan",
+				"-lock-timeout=10s",
+				"-refresh=false",
+			},
+		},
+		{
+			name: "plan with refresh option",
+			tofu: &Tofu{
+				Refresh: true,
+			},
+			destroy: false,
+			want: []string{
+				TofuBin,
+				"plan",
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cmd := tt.tofu.Plan(tt.destroy)
+			assert.Equal(t, tt.want, cmd.Cmd.Args)
+		})
+	}
+}
+
+func TestTofu_Apply(t *testing.T) {
+	tests := []struct {
+		name string
+		tofu *Tofu
+		want []string
+	}{
+		{
+			name: "apply with no options",
+			tofu: &Tofu{},
+			want: []string{
+				TofuBin,
+				"apply",
+				"-refresh=false",
+			},
+		},
+		{
+			name: "apply with targets",
+			tofu: &Tofu{
+				Targets: *cli.NewStringSlice("target1", "target2"),
+			},
+			want: []string{
+				TofuBin,
+				"apply",
+				"--target", "target1",
+				"--target", "target2",
+				"-refresh=false",
+			},
+		},
+		{
+			name: "apply with parallelism",
+			tofu: &Tofu{
+				Parallelism: 10,
+			},
+			want: []string{
+				TofuBin,
+				"apply",
+				"-parallelism=10",
+				"-refresh=false",
+			},
+		},
+		{
+			name: "apply with lock option",
+			tofu: &Tofu{
+				InitOptions: InitOptions{
+					Lock: boolPtr(true),
+				},
+			},
+			want: []string{
+				TofuBin,
+				"apply",
+				"-lock=true",
+				"-refresh=false",
+			},
+		},
+		{
+			name: "apply with lock timeout",
+			tofu: &Tofu{
+				InitOptions: InitOptions{
+					LockTimeout: "10s",
+				},
+			},
+			want: []string{
+				TofuBin,
+				"apply",
+				"-lock-timeout=10s",
+				"-refresh=false",
+			},
+		},
+		{
+			name: "apply with refresh option",
+			tofu: &Tofu{
+				Refresh: true,
+			},
+			want: []string{
+				TofuBin,
+				"apply",
+			},
+		},
+		{
+			name: "apply with output file",
+			tofu: &Tofu{
+				OutFile: "out.tfout",
+			},
+			want: []string{
+				TofuBin,
+				"apply",
+				"-refresh=false",
+				"out.tfout",
+			},
+		},
+		{
+			name: "apply with no log",
+			tofu: &Tofu{
+				NoLog: true,
+			},
+			want: []string{
+				TofuBin,
+				"apply",
+				"-refresh=false",
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cmd := tt.tofu.Apply()
+			assert.Equal(t, tt.want, cmd.Cmd.Args)
+			assert.Equal(t, tt.tofu.NoLog, cmd.Private)
+		})
+	}
+}
+
+func TestTofu_Destroy(t *testing.T) {
+	tests := []struct {
+		name string
+		tofu *Tofu
+		want []string
+	}{
+		{
+			name: "destroy with no options",
+			tofu: &Tofu{},
+			want: []string{
+				TofuBin,
+				"destroy",
+				"-auto-approve",
+			},
+		},
+		{
+			name: "destroy with targets",
+			tofu: &Tofu{
+				Targets: *cli.NewStringSlice("target1", "target2"),
+			},
+			want: []string{
+				TofuBin,
+				"destroy",
+				"-target=target1",
+				"-target=target2",
+				"-auto-approve",
+			},
+		},
+		{
+			name: "destroy with parallelism",
+			tofu: &Tofu{
+				Parallelism: 10,
+			},
+			want: []string{
+				TofuBin,
+				"destroy",
+				"-parallelism=10",
+				"-auto-approve",
+			},
+		},
+		{
+			name: "destroy with lock option",
+			tofu: &Tofu{
+				InitOptions: InitOptions{
+					Lock: boolPtr(true),
+				},
+			},
+			want: []string{
+				TofuBin,
+				"destroy",
+				"-lock=true",
+				"-auto-approve",
+			},
+		},
+		{
+			name: "destroy with lock timeout",
+			tofu: &Tofu{
+				InitOptions: InitOptions{
+					LockTimeout: "10s",
+				},
+			},
+			want: []string{
+				TofuBin,
+				"destroy",
+				"-lock-timeout=10s",
+				"-auto-approve",
+			},
+		},
+		{
+			name: "destroy with no log",
+			tofu: &Tofu{
+				NoLog: true,
+			},
+			want: []string{
+				TofuBin,
+				"destroy",
+				"-auto-approve",
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cmd := tt.tofu.Destroy()
+			assert.Equal(t, tt.want, cmd.Cmd.Args)
+			assert.Equal(t, tt.tofu.NoLog, cmd.Private)
+		})
+	}
+}