Function TestDevStoreRestore_RoundTrip

pkgcache/cache_dev_artifact_test.go:303–330

---- Round-trip: Store then Restore gives back identical content ----

(t *testing.T)

// ---- Round-trip: Store then Restore gives back identical content ----

func TestDevStoreRestore_RoundTrip(t *testing.T) {
	cache := newTestDevArtifactCache(t)
	pkgDir := makePackageDir(t, "boost@1.82.0")

	const meta = "round-trip-meta"
	if err := cache.Store(pkgDir, meta); err != nil {
		t.Fatal(err)
	}
	hash := computeHash(meta)

	destDir := filepath.Join(t.TempDir(), "roundtrip", "boost@1.82.0")
	if _, err := cache.Restore("boost@1.82.0", hash, destDir); err != nil {
		t.Fatal(err)
	}

	// Compare original and restored file content.
	orig, err := os.ReadFile(filepath.Join(pkgDir, "libfoo.a"))
	if err != nil {
		t.Fatal(err)
	}
	got, err := os.ReadFile(filepath.Join(destDir, "libfoo.a"))
	if err != nil {
		t.Fatal(err)
	}
	if string(orig) != string(got) {
		t.Errorf("restored content differs: got %q, want %q", got, orig)
	}
}