package packs

import (
	"strings"
	"testing"
)

func TestSourceBackedComponentPayloadHelpersStayOutOfPackRootFile(t *testing.T) {
	rootSrc := readPacksSourceForStructureTest(t, "source_backed_pack.go")
	payloadSrc := readPacksSourceForStructureTest(t, "source_backed_component_payloads.go")

	for _, symbol := range []string{
		"func sourceBackedComponentPayload(",
		"func componentPayloadLabel(",
		"func topologicallySortManifestComponents(",
		"func sourceBackedComponentKey(",
	} {
		if strings.Contains(rootSrc, symbol) {
			t.Fatalf("source_backed_pack.go still owns component payload/dependency fragment %q", symbol)
		}
		if !strings.Contains(payloadSrc, symbol) {
			t.Fatalf("source_backed_component_payloads.go is missing component payload/dependency fragment %q", symbol)
		}
	}
}