Verify typed alias composition in integrations

integrations/ckconfig/family_reports_test.go

@@ -225,6 +225,51 @@ func TestRequiredSelectorAppliesOnlyToItsSelectedScope(t *testing.T) {
 	}
 }
 
+func TestConfigAliasesForwardSelectedTenantAndGlobalHelp(t *testing.T) {
+	type input struct{ Tenant commandkit.Supplied[string] }
+	flag := commandkit.ValueFlag(commandkit.FlagMeta{Name: "tenant"}, (*string)(nil),
+		func(value string) (string, error) { return value, nil },
+		func(target *input, value commandkit.Supplied[string]) { target.Tenant = value })
+	var acquired []commandkit.Supplied[string]
+	command := Command(Suite[input, struct{}]{
+		Selectors: []Selector[input]{{Binding: flag, Scopes: []string{"promptkit"}}},
+		Scopes: []Scope[input, struct{}]{
+			{
+				Name:       "promptkit",
+				Operations: []Operation{Validate},
+				Acquire: func(_ context.Context, _ Request, value input, _ struct{}) (commandkit.Acquired[View], error) {
+					acquired = append(acquired, value.Tenant)
+					return commandkit.Acquired[View]{}, nil
+				},
+			},
+		},
+	})
+	app, err := commandkit.New(commandkit.Identity{Name: "example"},
+		command,
+		commandkit.Alias("check-config", "config validate"),
+		commandkit.FlagAliasFor("config validate", "--tenant-id", "--tenant"),
+		commandkit.FlagAlias("--hlep", "--help"),
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	var output bytes.Buffer
+	outcome := app.Execute(context.Background(), []string{"check-config", "--hlep"}, commandkit.Streams{Out: &output, Err: io.Discard})
+	if outcome.Kind != commandkit.OutcomeSuccess || !strings.Contains(output.String(), "validate") || len(acquired) != 0 {
+		t.Fatalf("global help alias outcome/output/acquisitions = (%#v, %q, %#v)", outcome, output.String(), acquired)
+	}
+
+	outcome = app.Execute(context.Background(), []string{"check-config", "--scope", "promptkit", "--tenant-id=acme"}, commandkit.Streams{Out: io.Discard, Err: io.Discard})
+	if outcome.Kind != commandkit.OutcomeSuccess || len(acquired) != 1 || acquired[0] != (commandkit.Supplied[string]{Value: "acme", Set: true}) {
+		t.Fatalf("aliased selector outcome/acquisitions = (%#v, %#v)", outcome, acquired)
+	}
+	outcome = app.Execute(context.Background(), []string{"config", "validate", "--scope", "promptkit", "--tenant=canonical"}, commandkit.Streams{Out: io.Discard, Err: io.Discard})
+	if outcome.Kind != commandkit.OutcomeSuccess || len(acquired) != 2 || acquired[1] != (commandkit.Supplied[string]{Value: "canonical", Set: true}) {
+		t.Fatalf("canonical selector outcome/acquisitions = (%#v, %#v)", outcome, acquired)
+	}
+}
+
 func TestShowAcquiresAllViewsBeforeRenderingAndFramesNativeYAML(t *testing.T) {
 	var output bytes.Buffer
 	var acquisitionOutputLengths []int