package delivery

import (
	"strings"
	"testing"
)

// The indexer's modules value carries each artifact's named paths (novox/hq ADR 0499; the lead's decision L8 of R4e):
// the checker tells from it whether a change touches lib's paths without reading a manifest. An older value has none.
func TestAModulesValueCarriesEachArtifactsNamedPaths(t *testing.T) {
	m := Module{FP2: SourcePrefix2 + strings.Repeat("a", 64), Repository: "novox/mesh-sdk", Commit: "c",
		ArtifactPaths: map[string][]string{"lib": {"package-lock.json", "package.json", "src", "test", "tsconfig.json"}}}
	data, err := EncodeModule(m)
	if err != nil {
		t.Fatal(err)
	}
	if !strings.Contains(string(data), `"paths":{"lib":[`) {
		t.Fatalf("the value carries no paths: %s", data)
	}
	back, err := DecodeModule(data)
	if err != nil || len(back.ArtifactPaths["lib"]) != 5 || back.ArtifactPaths["lib"][2] != "src" {
		t.Fatalf("decoded %+v, %v", back.ArtifactPaths, err)
	}
	if old, err := DecodeModule([]byte(`{"v":1,"fp":"src1:x","repository":"a/b","commit":"c"}`)); err != nil || old.ArtifactPaths != nil {
		t.Fatalf("an older value: %+v, %v", old, err)
	}
	for _, bad := range []map[string][]string{{"": {"src"}}, {"lib": {}}, {"lib": {"../x"}}, {"lib": {""}}} {
		m.ArtifactPaths = bad
		if _, err := EncodeModule(m); err == nil {
			t.Errorf("%v was accepted", bad)
		}
	}
}