faketopo

Documentation

Overview

faketopo contains utitlities for tests that have to interact with a Vitess topology.

Index

• Constants
• type Fixture
  • func New(t *testing.T, cells []string) *Fixture
  • func (fix *Fixture) AddTablet(uid int, cell string, tabletType topo.TabletType, master *topo.Tablet) *topo.Tablet
  • func (fix *Fixture) GetTablet(uid int) *topo.TabletInfo
  • func (fix *Fixture) MakeMySQLMaster(uid int)
  • func (fix *Fixture) TearDown()

Constants

const (
	TestShard    = "-80"
	TestKeyspace = "test_keyspace"
)

Types

type Fixture

type Fixture struct {
	*testing.T

	Topo     topo.Server
	Wrangler *wrangler.Wrangler
	// contains filtered or unexported fields
}

Fixture is a fixture that provides a fresh topology, to which you can add tablets that react to events and have fake MySQL daemons. It uses an in memory fake ZooKeeper to store its data. When you are done with the fixture you have to call its TearDown method.

func New

func New(t *testing.T, cells []string) *Fixture

New creates a topology fixture.

func (*Fixture) AddTablet

func (fix *Fixture) AddTablet(uid int, cell string, tabletType topo.TabletType, master *topo.Tablet) *topo.Tablet

AddTablet adds a new tablet to the topology and starts its event loop.

func (*Fixture) GetTablet

func (fix *Fixture) GetTablet(uid int) *topo.TabletInfo

GetTablet returns a fresh copy of the tablet identified by uid.

func (*Fixture) MakeMySQLMaster

func (fix *Fixture) MakeMySQLMaster(uid int)

MakeMySQLMaster makes the (fake) MySQL used by tablet identified by uid the master.

func (*Fixture) TearDown

func (fix *Fixture) TearDown()

TearDown releases any resources used by the fixture.