package catalogue

import (
	"strings"
	"testing"
)

// A manifest may say which tools its module calls (novox/hq ADR 0152), and the parser accepts the
// two shapes the grant has: a named tool, and every tool.
func TestAManifestMaySayWhatItInvokes(t *testing.T) {
	m, err := ParseManifest([]byte(`{"module":"mesh-console","version":"1",` +
		`"invokes":["mesh-catalog.catalog_modules","*"]}`))
	if err != nil {
		t.Fatal(err)
	}
	if len(m.Invokes) != 2 || m.Invokes[1] != "*" {
		t.Fatalf("invokes not read: %v", m.Invokes)
	}
}

// An entry that names a module and no tool is refused at parse, in the manifest's words, rather than
// at the composition of the bus's user list where it would stop the file for everybody.
func TestAnInvokeThatNamesNoToolIsRefusedAtParse(t *testing.T) {
	_, err := ParseManifest([]byte(`{"module":"mesh-console","version":"1","invokes":["shop"]}`))
	if err == nil {
		t.Fatal("an invoke naming no tool was accepted")
	}
	if !strings.Contains(err.Error(), `invokes "shop", which does not name a tool`) {
		t.Fatalf("refused for the wrong reason: %v", err)
	}
}