1 files changed, 63 insertions, 0 deletions
diff --git a/internal/askcli/command_complete_uuids_test.go b/internal/askcli/command_complete_uuids_test.go
index ff9d142..2c8fc34 100644
--- a/internal/askcli/command_complete_uuids_test.go
+++ b/internal/askcli/command_complete_uuids_test.go
@@ -4,11 +4,24 @@ import (
 	"bytes"
 	"context"
 	"io"
+	"os"
+	"path/filepath"
 	"strings"
 	"testing"
+	"time"
 )
 
 func TestHandleCompleteUUIDs_PrintsPendingUUIDs(t *testing.T) {
+	dir := t.TempDir()
+	oldNow := nowTaskAliasCache
+	oldRoot := taskAliasCacheRoot
+	nowTaskAliasCache = func() time.Time { return time.Date(2026, 3, 26, 12, 0, 0, 0, time.UTC) }
+	taskAliasCacheRoot = func() (string, error) { return filepath.Join(dir, "hexai"), nil }
+	defer func() {
+		nowTaskAliasCache = oldNow
+		taskAliasCacheRoot = oldRoot
+	}()
+
 	d := NewDispatcher(&spyRunner{runFn: func(ctx context.Context, args []string, stdin io.Reader, stdout, stderr io.Writer) (int, error) {
 		want := []string{"status:pending", "export"}
 		if strings.Join(args, " ") != strings.Join(want, " ") {
@@ -32,6 +45,18 @@ func TestHandleCompleteUUIDs_PrintsPendingUUIDs(t *testing.T) {
 	if stderr.Len() != 0 {
 		t.Fatalf("stderr = %q, want empty", stderr.String())
 	}
+
+	path, err := taskAliasCachePath()
+	if err != nil {
+		t.Fatalf("taskAliasCachePath: %v", err)
+	}
+	cache := readTaskAliasCacheForTest(t, path)
+	if got := findTaskAliasEntry(t, cache, "uuid-1").Alias; got != "0" {
+		t.Fatalf("uuid-1 alias = %q, want 0", got)
+	}
+	if got := findTaskAliasEntry(t, cache, "uuid-2").Alias; got != "1" {
+		t.Fatalf("uuid-2 alias = %q, want 1", got)
+	}
 }
 
 func TestHandleCompleteUUIDs_ParseError(t *testing.T) {
@@ -52,3 +77,41 @@ func TestHandleCompleteUUIDs_ParseError(t *testing.T) {
 		t.Fatalf("stderr = %q, want parse error", stderr.String())
 	}
 }
+
+func TestHandleCompleteUUIDs_WarnsOnInvalidAliasCache(t *testing.T) {
+	dir := t.TempDir()
+	oldRoot := taskAliasCacheRoot
+	taskAliasCacheRoot = func() (string, error) { return filepath.Join(dir, "hexai"), nil }
+	defer func() { taskAliasCacheRoot = oldRoot }()
+
+	path, err := taskAliasCachePath()
+	if err != nil {
+		t.Fatalf("taskAliasCachePath: %v", err)
+	}
+	if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
+		t.Fatalf("MkdirAll: %v", err)
+	}
+	if err := os.WriteFile(path, []byte("{bad"), 0o600); err != nil {
+		t.Fatalf("WriteFile: %v", err)
+	}
+
+	d := NewDispatcher(&spyRunner{runFn: func(ctx context.Context, args []string, stdin io.Reader, stdout, stderr io.Writer) (int, error) {
+		_, _ = io.WriteString(stdout, `[{"uuid":"uuid-1"}]`)
+		return 0, nil
+	}})
+
+	var stdout, stderr bytes.Buffer
+	code, err := d.handleCompleteUUIDs(context.Background(), &stdout, &stderr)
+	if err != nil {
+		t.Fatalf("handleCompleteUUIDs returned error: %v", err)
+	}
+	if code != 0 {
+		t.Fatalf("handleCompleteUUIDs code = %d, want 0", code)
+	}
+	if got := stdout.String(); got != "uuid-1\n" {
+		t.Fatalf("stdout = %q, want UUID list", got)
+	}
+	if !strings.Contains(stderr.String(), "failed to update task alias cache") {
+		t.Fatalf("stderr = %q, want cache warning", stderr.String())
+	}
+}