Function setupTest

modules/livestore/metrics_test.go:36–76

setupTest creates a test instance with all required dependencies

(t *testing.T)

// setupTest creates a test instance with all required dependencies
func setupTest(t *testing.T) *testSetup {
	t.Helper()
	tmpDir := t.TempDir()

	// Create overrides with a separate registry to avoid conflicts
	registry := prometheus.NewRegistry()
	o, err := overrides.NewOverrides(overrides.Config{}, nil, registry)
	require.NoError(t, err)

	// Create instance
	cfg := &Config{}
	cfg.RegisterFlagsAndApplyDefaults("", &flag.FlagSet{})

	// Use the default encoding for tests
	blockEnc := encoding.DefaultEncoding()

	// Populate block config with defaults, simulating what modules.go does by injecting storage.trace.block.
	cfg.BlockConfig.RegisterFlagsAndApplyDefaults("", &flag.FlagSet{})
	cfg.BlockConfig.Version = blockEnc.Version()
	cfg.WAL.Version = blockEnc.Version()

	// Setup WAL config
	w, err := wal.New(&wal.Config{
		Filepath: tmpDir,
		Version:  blockEnc.Version(),
	})
	require.NoError(t, err)

	lifecycle, err := newCompleteBlockLifecycle(*cfg, noopCompleteBlockFlusher{}, log.NewNopLogger())
	require.NoError(t, err)
	instance, err := newInstance(testTenant, *cfg, w, blockEnc, lifecycle, o, log.NewNopLogger())
	require.NoError(t, err)

	return &testSetup{
		tmpDir:    tmpDir,
		wal:       w,
		overrides: o,
		instance:  instance,
		cleanup:   func() {},
	}
}

func TestMetrics_InitialValues(t *testing.T) {
	// Record baseline values before creating the instance.