first commit

pigo/internal/cli/repl/btw_help_test.go

@@ -0,0 +1,58 @@
+package repl
+
+// Tests for /btw discoverability (#283, US-006/FR-10): /btw must appear in the
+// /help listing and be completable at the REPL slash prompt. Both flow from
+// registering "btw" as a listed built-in in registerLiveCommands; these tests
+// pin that so the command can't silently drop off help/completion.
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/smallnest/pigo/internal/cli"
+	"github.com/smallnest/pigo/internal/cli/prompts"
+	"github.com/smallnest/pigo/internal/runtime"
+)
+
+// TestBtwListedInHelp verifies registerLiveCommands registers /btw so /help (and
+// any consumer of reg.List()) surfaces it with a usage description.
+func TestBtwListedInHelp(t *testing.T) {
+	reg := runtime.NewSlashRegistry()
+	prompts.RegisterLiveCommands(reg, &cli.LiveConfig{})
+
+	var btw *runtime.SlashCommand
+	for _, c := range reg.List() {
+		if c.Name == "btw" {
+			cc := c
+			btw = &cc
+			break
+		}
+	}
+	if btw == nil {
+		t.Fatalf("registerLiveCommands must register /btw so /help lists it")
+	}
+	if !strings.Contains(btw.Description, "side question") {
+		t.Errorf("/btw help description should explain the side question, got %q", btw.Description)
+	}
+}
+
+// TestBtwSlashCompletion verifies the line editor completes "/b" to "/btw" once
+// the command is registered — the same reg.List() drives both help and
+// completion, so registration is all that's needed.
+func TestBtwSlashCompletion(t *testing.T) {
+	reg := runtime.NewSlashRegistry()
+	prompts.RegisterLiveCommands(reg, &cli.LiveConfig{})
+	e := newREPLLineEditor(nil, nil, nil, reg, nil)
+
+	cands := e.suggestions("/bt")
+	found := false
+	for _, c := range cands {
+		if c == "/btw" {
+			found = true
+			break
+		}
+	}
+	if !found {
+		t.Errorf("expected /btw among completions for %q, got %v", "/bt", cands)
+	}
+}