410 lines
12 KiB
Go
410 lines
12 KiB
Go
package miro
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import (
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"bytes"
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"errors"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"testing"
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"time"
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)
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func TestRecordCreatesRelativePath(t *testing.T) {
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root := t.TempDir()
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testDir := filepath.Join(root, "e2e")
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mustMkdirAll(t, testDir)
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addFakeRecordDependencies(t, "script")
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got := withWorkingDir(t, root, func() string {
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withStdin(t, "y\n", func() {})
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path, err := Record(filepath.Join("a", "b", "c") + string(os.PathSeparator))
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if err != nil {
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t.Fatalf("Record() error = %v", err)
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}
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return path
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})
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want := filepath.Join(testDir, "a", "b", "c")
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if got != want {
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t.Fatalf("Record() = %q, want %q", got, want)
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}
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for _, name := range []string{"in", "out"} {
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if _, err := os.Stat(filepath.Join(want, name)); err != nil {
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t.Fatalf("Stat(%q) error = %v", filepath.Join(want, name), err)
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}
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}
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if got := readFile(t, filepath.Join(want, "in")); got != "fake recorded input\n" {
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t.Fatalf("saved in = %q, want %q", got, "fake recorded input\n")
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}
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if got := readFile(t, filepath.Join(want, "out")); got != "fake recorded output\n" {
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t.Fatalf("saved out = %q, want %q", got, "fake recorded output\n")
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}
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}
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func TestRecordStripsExplicitTestDirPrefix(t *testing.T) {
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root := t.TempDir()
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testDir := filepath.Join(root, "e2e")
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mustMkdirAll(t, testDir)
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addFakeRecordDependencies(t, "script")
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got := withWorkingDir(t, root, func() string {
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withStdin(t, "y\n", func() {})
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path, err := Record(filepath.Join("e2e", "a", "b", "c"))
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if err != nil {
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t.Fatalf("Record() error = %v", err)
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}
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return path
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})
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want := filepath.Join(testDir, "a", "b", "c")
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if got != want {
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t.Fatalf("Record() = %q, want %q", got, want)
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}
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for _, name := range []string{"in", "out"} {
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if _, err := os.Stat(filepath.Join(want, name)); err != nil {
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t.Fatalf("Stat(%q) error = %v", filepath.Join(want, name), err)
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}
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}
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if got := readFile(t, filepath.Join(want, "out")); got != "fake recorded output\n" {
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t.Fatalf("saved out = %q, want %q", got, "fake recorded output\n")
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}
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}
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func TestRecordRejectsAbsolutePathOutsideTestDir(t *testing.T) {
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root := t.TempDir()
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mustMkdirAll(t, filepath.Join(root, "e2e"))
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outside := filepath.Join(root, "outside", "a", "b", "c")
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err := withWorkingDir(t, root, func() error {
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_, err := Record(outside)
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return err
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})
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if err == nil {
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t.Fatal("Record() error = nil, want error")
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}
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if _, statErr := os.Stat(outside); !os.IsNotExist(statErr) {
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t.Fatalf("Stat(%q) error = %v, want not exists", outside, statErr)
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}
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}
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func TestRecordReturnsDiscardedErrorWhenSaveDeclined(t *testing.T) {
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root := t.TempDir()
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testDir := filepath.Join(root, "e2e")
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mustMkdirAll(t, testDir)
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addFakeRecordDependencies(t, "script")
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err := withWorkingDir(t, root, func() error {
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target := filepath.Join(testDir, "a", "b", "c")
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mustMkdirAll(t, target)
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return withRecordStreams(t, "n\n", func(rio recordIO) error {
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return recordScenario(target, rio)
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})
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})
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if !errors.Is(err, ErrRecordingDiscarded) {
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t.Fatalf("Record() error = %v, want ErrRecordingDiscarded", err)
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}
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target := filepath.Join(testDir, "a", "b", "c")
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for _, name := range []string{"in", "out"} {
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if _, err := os.Stat(filepath.Join(target, name)); !os.IsNotExist(err) {
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t.Fatalf("Stat(%q) error = %v, want not exists", filepath.Join(target, name), err)
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}
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}
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}
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func TestRecordReturnsDiscardedErrorWhenOverwriteDeclined(t *testing.T) {
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root := t.TempDir()
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testDir := filepath.Join(root, "e2e")
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target := filepath.Join(testDir, "a", "b", "c")
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mustMkdirAll(t, target)
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addFakeRecordDependencies(t, "script")
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writeFile(t, filepath.Join(target, "in"), "existing in\n")
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writeFile(t, filepath.Join(target, "out"), "existing out\n")
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err := withWorkingDir(t, root, func() error {
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return withRecordStreams(t, "n\n", func(rio recordIO) error {
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return recordScenario(target, rio)
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})
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})
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if !errors.Is(err, ErrRecordingDiscarded) {
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t.Fatalf("recordScenario() error = %v, want ErrRecordingDiscarded", err)
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}
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for _, tc := range []struct {
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name string
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want string
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}{
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{name: "in", want: "existing in\n"},
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{name: "out", want: "existing out\n"},
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} {
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got, readErr := os.ReadFile(filepath.Join(target, tc.name))
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if readErr != nil {
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t.Fatalf("ReadFile(%q) error = %v", filepath.Join(target, tc.name), readErr)
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}
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if string(got) != tc.want {
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t.Fatalf("%s = %q, want %q", tc.name, string(got), tc.want)
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}
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}
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}
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func TestNewRecordSandboxBuildsDeterministicWrapper(t *testing.T) {
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projectRoot := filepath.Join(t.TempDir(), "project root")
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sandbox, cleanup, err := newRecordSandboxForProjectRoot(projectRoot, "/custom/bin:/usr/bin")
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if err != nil {
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t.Fatalf("newRecordSandboxForProjectRoot() error = %v", err)
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}
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defer cleanup()
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body := readFile(t, sandbox.wrapperPath)
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for _, want := range []string{
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"HOME=" + shQuote(sandbox.hostHome) + " GIT_CONFIG_NOSYSTEM=1 git config --global user.name 'Miro Test'",
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"--bind " + shQuote(sandbox.hostHome) + " " + shQuote(recordVisibleHome),
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"--ro-bind " + shQuote(projectRoot) + " " + shQuote(recordVisibleRepo),
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"--bind " + shQuote(sandbox.hostTmp) + " " + shQuote(recordVisibleTmp),
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"--setenv HOME " + shQuote(recordVisibleHome),
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"--setenv PATH " + shQuote("/custom/bin:/usr/bin"),
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"--setenv PS1 '$ '",
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"--setenv TERM 'xterm-256color'",
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"--setenv TZ 'UTC'",
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"--chdir " + shQuote(recordVisibleHome),
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"bash --noprofile --norc -i",
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} {
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if !strings.Contains(body, want) {
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t.Fatalf("wrapper = %q, want substring %q", body, want)
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}
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}
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}
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func TestRunRecordSessionUsesSandboxedScriptCommand(t *testing.T) {
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root := t.TempDir()
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addFakeRecordDependencies(t, "script")
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argsPath := filepath.Join(t.TempDir(), "script.args")
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commandBodyPath := filepath.Join(t.TempDir(), "script.command")
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t.Setenv("FAKE_SCRIPT_ARGS_FILE", argsPath)
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t.Setenv("FAKE_SCRIPT_COMMAND_BODY_FILE", commandBodyPath)
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sandbox, cleanup, err := newRecordSandboxForProjectRoot(root, os.Getenv("PATH"))
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if err != nil {
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t.Fatalf("newRecordSandboxForProjectRoot() error = %v", err)
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}
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defer cleanup()
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err = withRecordStreams(t, "", func(rio recordIO) error {
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return runRecordSession(root, filepath.Join(t.TempDir(), "raw.in"), filepath.Join(t.TempDir(), "raw.out"), sandbox, rio)
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})
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if err != nil {
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t.Fatalf("runRecordSession() error = %v", err)
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}
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args := strings.Split(strings.TrimSpace(readFile(t, argsPath)), "\n")
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if len(args) != 9 {
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t.Fatalf("script args = %q, want 9 args", args)
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}
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if got := args[:4]; strings.Join(got, "\n") != strings.Join([]string{"-q", "-E", "always", "-I"}, "\n") {
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t.Fatalf("script args prefix = %q, want %q", got, []string{"-q", "-E", "always", "-I"})
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}
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if args[5] != "-O" {
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t.Fatalf("script args[5] = %q, want %q", args[5], "-O")
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}
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if args[7] != "-c" {
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t.Fatalf("script args[7] = %q, want %q", args[7], "-c")
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}
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if args[8] != sandbox.wrapperPath {
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t.Fatalf("script args[8] = %q, want %q", args[8], sandbox.wrapperPath)
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}
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body := readFile(t, commandBodyPath)
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for _, want := range []string{
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"--ro-bind / /",
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"--tmpfs /home",
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"--ro-bind " + shQuote(root) + " " + shQuote(recordVisibleRepo),
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"--setenv HOME " + shQuote(recordVisibleHome),
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"--setenv TMPDIR " + shQuote(recordVisibleTmp),
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"bash --noprofile --norc -i",
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} {
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if !strings.Contains(body, want) {
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t.Fatalf("wrapper = %q, want substring %q", body, want)
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}
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}
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}
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func TestRecordScenarioUsesDeterministicSandbox(t *testing.T) {
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requireCommands(t, "script", "bwrap", "bash")
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root := t.TempDir()
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testDir := filepath.Join(root, "e2e")
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target := filepath.Join(testDir, "suite", "spec")
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mustMkdirAll(t, target)
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reader, writer, err := os.Pipe()
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if err != nil {
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t.Fatalf("os.Pipe() error = %v", err)
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}
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t.Cleanup(func() {
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if err := reader.Close(); err != nil {
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t.Fatalf("close pipe reader: %v", err)
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}
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})
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writeDone := make(chan error, 1)
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go func() {
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defer close(writeDone)
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defer writer.Close()
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if _, err := writer.Write([]byte("pwd\necho \"$HOME\"\ncd repo\npwd\nexit\n")); err != nil {
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writeDone <- err
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return
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}
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time.Sleep(300 * time.Millisecond)
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if _, err := writer.Write([]byte("y\n")); err != nil {
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writeDone <- err
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return
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}
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writeDone <- nil
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}()
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err = withWorkingDir(t, root, func() error {
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return recordScenario(target, recordIO{
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in: reader,
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out: ioDiscard{},
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err: &bytes.Buffer{},
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})
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})
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if err != nil {
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t.Fatalf("recordScenario() error = %v", err)
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}
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if err := <-writeDone; err != nil {
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t.Fatalf("write session input: %v", err)
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}
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recordedIn := readFile(t, filepath.Join(target, "in"))
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if strings.Contains(recordedIn, "Script started on ") {
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t.Fatalf("saved in = %q, want stripped script wrapper", recordedIn)
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}
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for _, want := range []string{"pwd\n", "echo \"$HOME\"\n", "cd repo\n", "exit\n"} {
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if !strings.Contains(recordedIn, want) {
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t.Fatalf("saved in = %q, want substring %q", recordedIn, want)
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}
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}
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recordedOut := readFile(t, filepath.Join(target, "out"))
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if strings.Contains(recordedOut, "Script started on ") {
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t.Fatalf("saved out = %q, want stripped script wrapper", recordedOut)
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}
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for _, want := range []string{recordVisibleHome, recordVisibleRepo} {
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if !strings.Contains(recordedOut, want) {
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t.Fatalf("saved out = %q, want substring %q", recordedOut, want)
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}
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}
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}
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func withRecordStreams[T any](t *testing.T, input string, fn func(recordIO) T) T {
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t.Helper()
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path := filepath.Join(t.TempDir(), "stdin.txt")
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if err := os.WriteFile(path, []byte(input), 0o644); err != nil {
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t.Fatalf("WriteFile(%q) error = %v", path, err)
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}
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file, err := os.Open(path)
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if err != nil {
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t.Fatalf("Open(%q) error = %v", path, err)
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}
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t.Cleanup(func() {
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if err := file.Close(); err != nil {
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t.Fatalf("close record input: %v", err)
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}
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})
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return fn(recordIO{
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in: file,
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out: ioDiscard{},
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err: &bytes.Buffer{},
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})
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}
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func withStdin(t *testing.T, input string, fn func()) {
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t.Helper()
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path := filepath.Join(t.TempDir(), "stdin.txt")
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if err := os.WriteFile(path, []byte(input), 0o644); err != nil {
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t.Fatalf("WriteFile(%q) error = %v", path, err)
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}
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file, err := os.Open(path)
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if err != nil {
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t.Fatalf("Open(%q) error = %v", path, err)
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}
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oldStdin := os.Stdin
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os.Stdin = file
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t.Cleanup(func() {
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os.Stdin = oldStdin
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if err := file.Close(); err != nil {
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t.Fatalf("close stdin file: %v", err)
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}
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})
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fn()
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}
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func readFile(t *testing.T, path string) string {
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t.Helper()
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data, err := os.ReadFile(path)
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if err != nil {
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t.Fatalf("ReadFile(%q) error = %v", path, err)
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}
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return string(data)
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}
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type ioDiscard struct{}
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func (ioDiscard) Write(p []byte) (int, error) {
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return len(p), nil
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}
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func addFakeRecordDependencies(t *testing.T, names ...string) {
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t.Helper()
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binDir := t.TempDir()
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for _, name := range names {
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path := filepath.Join(binDir, name)
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body := "#!/bin/sh\nexit 0\n"
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if name == "script" {
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body = "#!/bin/sh\nif [ -n \"${FAKE_SCRIPT_ARGS_FILE:-}\" ]; then\n : > \"$FAKE_SCRIPT_ARGS_FILE\"\n for arg in \"$@\"; do\n printf '%s\\n' \"$arg\" >> \"$FAKE_SCRIPT_ARGS_FILE\"\n done\nfi\nin=''\nout=''\ncmd=''\nwhile [ \"$#\" -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 -c)\n cmd=\"$2\"\n shift 2\n ;;\n *)\n shift\n ;;\n esac\ndone\nif [ -n \"${FAKE_SCRIPT_COMMAND_BODY_FILE:-}\" ] && [ -n \"$cmd\" ]; then\n : > \"$FAKE_SCRIPT_COMMAND_BODY_FILE\"\n while IFS= read -r line || [ -n \"$line\" ]; do\n printf '%s\\n' \"$line\" >> \"$FAKE_SCRIPT_COMMAND_BODY_FILE\"\n done < \"$cmd\"\nfi\nif [ -n \"${FAKE_SCRIPT_LOG_IN+x}\" ]; then\n printf '%s' \"$FAKE_SCRIPT_LOG_IN\" > \"$in\"\nelse\n printf '%s' 'fake recorded input\n' > \"$in\"\nfi\nif [ -n \"${FAKE_SCRIPT_LOG_OUT+x}\" ]; then\n printf '%s' \"$FAKE_SCRIPT_LOG_OUT\" > \"$out\"\nelse\n printf '%s' 'Script started on 2026-03-18 11:13:38+00:00 [TERM=\"xterm-256color\"]\nfake recorded output\nScript done on 2026-03-18 11:13:44+00:00 [COMMAND_EXIT_CODE=\"0\"]\n' > \"$out\"\nfi\nexit 0\n"
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}
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if err := os.WriteFile(path, []byte(body), 0o755); err != nil {
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t.Fatalf("WriteFile(%q) error = %v", path, err)
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}
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}
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t.Setenv("PATH", binDir)
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}
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func requireCommands(t *testing.T, names ...string) {
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t.Helper()
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for _, name := range names {
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if _, err := exec.LookPath(name); err != nil {
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t.Skipf("missing command %q: %v", name, err)
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}
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}
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}
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