package inventory

import (
	"testing"
)

// TestWhatRunsIsTheRegisteredBuildNotANewerOnePutBack is novox/hq issue 721's review: the newest build of a module
// failed its gate and the mesh put the build before it back. Held names the newest; what runs, and what a merge's build
// is compared with, is the build put back — so a merge whose bytes equal the failed build is never said unchanged.

// TestOnlyArtifactsTheRegisteredManifestNamesAreRunning: registeredOnly keeps a held artifact only when its digest is
// in its module's registered manifest.
func TestOnlyArtifactsTheRegisteredManifestNamesAreRunning(t *testing.T) {
	held := map[string]string{"one/app": "store/one@sha256:aaaa", "two/app": "store/two@sha256:bbbb", "three/app": "nodigest"}
	registered := map[string]string{"one": `{"resources":[{"image":"store/one@sha256:aaaa"}]}`,
		"two": `{"resources":[{"image":"store/two@sha256:cccc"}]}`, "three": "nodigest"}
	got := registeredOnly(held, registered)
	if len(got) != 1 || got["one/app"] == "" {
		t.Fatalf("running reads %v, want one/app alone", got)
	}
}