Files
mire/cmd/root_test.go

336 lines
8.9 KiB
Go

package cmd
import (
"bytes"
"io"
"os"
"path/filepath"
"strings"
"testing"
"miro/internal/output"
)
func TestRunShowsHelpWhenNoArgs(t *testing.T) {
addFakeRecordDependencies(t, "script")
stdout, stderr := captureOutput(t, func() {
if got := Run(nil); got != 0 {
t.Fatalf("Run() code = %d, want %d", got, 0)
}
})
if !strings.Contains(stdout, "A lean CLI E2E testing framework.") {
t.Fatalf("stdout = %q, want root help", stdout)
}
if !strings.Contains(stdout, "init") || !strings.Contains(stdout, "record") {
t.Fatalf("stdout = %q, want listed subcommands", stdout)
}
if stderr != "" {
t.Fatalf("stderr = %q, want empty", stderr)
}
}
func TestRunInit(t *testing.T) {
addFakeRecordDependencies(t, "script")
stdout, stderr := captureOutput(t, func() {
if got := Run([]string{"init"}); got != 0 {
t.Fatalf("Run() code = %d, want %d", got, 0)
}
})
if stdout != prefixed("Done initialising...\n") {
t.Fatalf("stdout = %q, want %q", stdout, prefixed("Done initialising...\n"))
}
if stderr != "" {
t.Fatalf("stderr = %q, want empty", stderr)
}
}
func TestRunRecord(t *testing.T) {
addFakeRecordDependencies(t, "script")
root := t.TempDir()
wantDir := filepath.Join(root, "e2e")
if err := os.MkdirAll(wantDir, 0o755); err != nil {
t.Fatalf("MkdirAll() error = %v", err)
}
withWorkingDir(t, root, func() {
withStdin(t, "y\n", func() {})
stdout, stderr := captureOutput(t, func() {
if got := Run([]string{"record", "suite/spec"}); got != 0 {
t.Fatalf("Run() code = %d, want %d", got, 0)
}
})
createdPath := filepath.Join(wantDir, "suite", "spec")
if stdout != prefixed(createdPath+"\n") {
t.Fatalf("stdout = %q, want %q", stdout, prefixed(createdPath+"\n"))
}
if !strings.Contains(stderr, "Save recording?") {
t.Fatalf("stderr = %q, want save prompt", stderr)
}
for _, name := range []string{"in", "out"} {
if _, err := os.Stat(filepath.Join(createdPath, name)); err != nil {
t.Fatalf("Stat(%q) error = %v", filepath.Join(createdPath, name), err)
}
}
})
}
func TestRunRecordWithExplicitTestDirPath(t *testing.T) {
addFakeRecordDependencies(t, "script")
root := t.TempDir()
wantDir := filepath.Join(root, "e2e")
if err := os.MkdirAll(wantDir, 0o755); err != nil {
t.Fatalf("MkdirAll() error = %v", err)
}
withWorkingDir(t, root, func() {
withStdin(t, "y\n", func() {})
stdout, stderr := captureOutput(t, func() {
if got := Run([]string{"record", filepath.Join("e2e", "suite", "spec")}); got != 0 {
t.Fatalf("Run() code = %d, want %d", got, 0)
}
})
createdPath := filepath.Join(wantDir, "suite", "spec")
if stdout != prefixed(createdPath+"\n") {
t.Fatalf("stdout = %q, want %q", stdout, prefixed(createdPath+"\n"))
}
if !strings.Contains(stderr, "Save recording?") {
t.Fatalf("stderr = %q, want save prompt", stderr)
}
for _, name := range []string{"in", "out"} {
if _, err := os.Stat(filepath.Join(createdPath, name)); err != nil {
t.Fatalf("Stat(%q) error = %v", filepath.Join(createdPath, name), err)
}
}
})
}
func TestRunRecordRejectsAbsolutePathOutsideTestDir(t *testing.T) {
root := t.TempDir()
wantDir := filepath.Join(root, "e2e")
if err := os.MkdirAll(wantDir, 0o755); err != nil {
t.Fatalf("MkdirAll() error = %v", err)
}
outside := filepath.Join(root, "outside", "spec")
withWorkingDir(t, root, func() {
stdout, stderr := captureOutput(t, func() {
if got := Run([]string{"record", outside}); got != 1 {
t.Fatalf("Run() code = %d, want %d", got, 1)
}
})
if stdout != "" {
t.Fatalf("stdout = %q, want empty", stdout)
}
if !strings.Contains(stderr, "must be inside test directory") {
t.Fatalf("stderr = %q, want test directory error", stderr)
}
if _, err := os.Stat(outside); !os.IsNotExist(err) {
t.Fatalf("Stat(%q) error = %v, want not exists", outside, err)
}
})
}
func TestRunFailsWhenDependenciesMissing(t *testing.T) {
root := t.TempDir()
wantDir := filepath.Join(root, "e2e")
if err := os.MkdirAll(wantDir, 0o755); err != nil {
t.Fatalf("MkdirAll() error = %v", err)
}
t.Setenv("PATH", "")
withWorkingDir(t, root, func() {
stdout, stderr := captureOutput(t, func() {
if got := Run([]string{"init"}); got != 1 {
t.Fatalf("Run() code = %d, want %d", got, 1)
}
})
if stdout != "" {
t.Fatalf("stdout = %q, want empty", stdout)
}
if !strings.Contains(stderr, `required command "script" not found in PATH`) {
t.Fatalf("stderr = %q, want missing dependency error", stderr)
}
if _, err := os.Stat(filepath.Join(wantDir, "suite", "spec", "in")); !os.IsNotExist(err) {
t.Fatalf("Stat() error = %v, want not exists", err)
}
})
}
func TestRunRecordMissingPath(t *testing.T) {
addFakeRecordDependencies(t, "script")
stdout, stderr := captureOutput(t, func() {
if got := Run([]string{"record"}); got != 1 {
t.Fatalf("Run() code = %d, want %d", got, 1)
}
})
if stdout != "" {
t.Fatalf("stdout = %q, want empty", stdout)
}
if !strings.Contains(stderr, "accepts 1 arg(s), received 0") {
t.Fatalf("stderr = %q, want argument error", stderr)
}
if !strings.Contains(stderr, "Usage:") || !strings.Contains(stderr, "miro record <path>") {
t.Fatalf("stderr = %q, want record usage", stderr)
}
}
func TestRunInitExtraArgs(t *testing.T) {
addFakeRecordDependencies(t, "script")
stdout, stderr := captureOutput(t, func() {
if got := Run([]string{"init", "extra"}); got != 1 {
t.Fatalf("Run() code = %d, want %d", got, 1)
}
})
if stdout != "" {
t.Fatalf("stdout = %q, want empty", stdout)
}
if !strings.Contains(stderr, "unknown command \"extra\" for \"miro init\"") {
t.Fatalf("stderr = %q, want extra-arg error", stderr)
}
if !strings.Contains(stderr, "Usage:") || !strings.Contains(stderr, "miro init") {
t.Fatalf("stderr = %q, want init usage", stderr)
}
}
func TestRunUnknownCommand(t *testing.T) {
addFakeRecordDependencies(t, "script")
stdout, stderr := captureOutput(t, func() {
if got := Run([]string{"wat"}); got != 1 {
t.Fatalf("Run() code = %d, want %d", got, 1)
}
})
if stdout != "" {
t.Fatalf("stdout = %q, want empty", stdout)
}
if !strings.Contains(stderr, "unknown command \"wat\" for \"miro\"") {
t.Fatalf("stderr = %q, want unknown command error", stderr)
}
}
func captureOutput(t *testing.T, fn func()) (string, string) {
t.Helper()
stdoutReader, stdoutWriter, err := os.Pipe()
if err != nil {
t.Fatalf("os.Pipe() stdout error = %v", err)
}
stderrReader, stderrWriter, err := os.Pipe()
if err != nil {
t.Fatalf("os.Pipe() stderr error = %v", err)
}
oldStdout := os.Stdout
oldStderr := os.Stderr
os.Stdout = stdoutWriter
os.Stderr = stderrWriter
t.Cleanup(func() {
os.Stdout = oldStdout
os.Stderr = oldStderr
})
fn()
if err := stdoutWriter.Close(); err != nil {
t.Fatalf("stdout close error = %v", err)
}
if err := stderrWriter.Close(); err != nil {
t.Fatalf("stderr close error = %v", err)
}
var stdoutBuf bytes.Buffer
if _, err := io.Copy(&stdoutBuf, stdoutReader); err != nil {
t.Fatalf("stdout copy error = %v", err)
}
var stderrBuf bytes.Buffer
if _, err := io.Copy(&stderrBuf, stderrReader); err != nil {
t.Fatalf("stderr copy error = %v", err)
}
return stdoutBuf.String(), stderrBuf.String()
}
func prefixed(msg string) string {
return output.Format(msg)
}
func withWorkingDir(t *testing.T, dir string, fn func()) {
t.Helper()
wd, err := os.Getwd()
if err != nil {
t.Fatalf("Getwd() error = %v", err)
}
if err := os.Chdir(dir); err != nil {
t.Fatalf("Chdir(%q) error = %v", dir, err)
}
t.Cleanup(func() {
if err := os.Chdir(wd); err != nil {
t.Fatalf("restore working directory: %v", err)
}
})
fn()
}
func addFakeRecordDependencies(t *testing.T, names ...string) {
t.Helper()
binDir := t.TempDir()
for _, name := range names {
path := filepath.Join(binDir, name)
body := "#!/bin/sh\nexit 0\n"
if name == "script" {
body = "#!/bin/sh\nin=''\nout=''\nwhile [ \"$#\" -gt 0 ]; do\n case \"$1\" in\n -I)\n in=\"$2\"\n shift 2\n ;;\n -O)\n out=\"$2\"\n shift 2\n ;;\n *)\n shift\n ;;\n esac\ndone\ncat <<'EOF' > \"$in\"\nfake recorded input\nEOF\ncat <<'EOF' > \"$out\"\nScript started on 2026-03-18 11:13:38+00:00 [TERM=\"xterm-256color\"]\nfake recorded output\nScript done on 2026-03-18 11:13:44+00:00 [COMMAND_EXIT_CODE=\"0\"]\nEOF\nexit 0\n"
}
if err := os.WriteFile(path, []byte(body), 0o755); err != nil {
t.Fatalf("WriteFile(%q) error = %v", path, err)
}
}
t.Setenv("PATH", binDir+string(os.PathListSeparator)+os.Getenv("PATH"))
}
func withStdin(t *testing.T, input string, fn func()) {
t.Helper()
path := filepath.Join(t.TempDir(), "stdin.txt")
if err := os.WriteFile(path, []byte(input), 0o644); err != nil {
t.Fatalf("WriteFile(%q) error = %v", path, err)
}
file, err := os.Open(path)
if err != nil {
t.Fatalf("Open(%q) error = %v", path, err)
}
oldStdin := os.Stdin
os.Stdin = file
t.Cleanup(func() {
os.Stdin = oldStdin
if err := file.Close(); err != nil {
t.Fatalf("close stdin file: %v", err)
}
})
fn()
}