test_helpers

package
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 Go to latest Published: Aug 8, 2023 License: BSD-2-Clause Imports: 19 Imported by: 0

Documentation

Overview

Helpers for managing Tarantool process for testing purposes.

Package introduces go helpers for starting a tarantool process and validating Tarantool version. Helpers are based on os/exec calls. Retries to connect test tarantool instance handled explicitly, see tarantool/go-tarantool/#136.

Tarantool's instance Lua scripts use environment variables to configure box.cfg. Listen port is set in the end of script so it is possible to connect only if every other thing was set up already.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func CheckEqualBoxErrors 

func CheckEqualBoxErrors(t *testing.T, expected tarantool.BoxError, actual tarantool.BoxError)

CheckEqualBoxErrors checks equivalence of tarantool.BoxError objects.

Tarantool errors are not comparable by nature:

tarantool> msgpack.decode(mp_error_repr) == msgpack.decode(mp_error_repr) --- - false ...

Tarantool error file and line could differ even between different patches.

So we check equivalence of all attributes except for Line and File. For Line and File, we check that they are filled with some non-default values (lines are counted starting with 1 and empty file path is not expected too).

func CheckPoolStatuses 

func CheckPoolStatuses(args interface{}) error

func ConnectWithValidation 

func ConnectWithValidation(t testing.TB,
	server string,
	opts tarantool.Opts) *tarantool.Connection

ConnectWithValidation tries to connect to a Tarantool instance. It returns a valid connection if it is successful, otherwise finishes a test with an error.

func ConvertUint64 

func ConvertUint64(v interface{}) (result uint64, err error)

msgpack.v5 decodes different uint types depending on value. The function helps to unify a result.

func DeleteRecordByKey 

func DeleteRecordByKey(t *testing.T, conn tarantool.Connector,
	space interface{}, index interface{}, key []interface{})

func InsertOnInstance 

func InsertOnInstance(server string, connOpts tarantool.Opts, space interface{},
	tuple interface{}) error

func InsertOnInstances 

func InsertOnInstances(servers []string, connOpts tarantool.Opts, space interface{},
	tuple interface{}) error

func IsTarantoolVersionLess 

func IsTarantoolVersionLess(majorMin uint64, minorMin uint64, patchMin uint64) (bool, error)

IsTarantoolVersionLess checks if tarantool version is less than passed <major.minor.patch>. Returns error if failed to extract version.

func ProcessListenOnInstance 

func ProcessListenOnInstance(args interface{}) error

ProcessListenOnInstance helper calls "return box.cfg.listen" as many times as there are servers in the connection pool with specified mode. For RO mode expected received ports equals to replica ports. For RW mode expected received ports equals to master ports. For PreferRO mode expected received ports equals to replica ports or to all ports. For PreferRW mode expected received ports equals to master ports or to all ports.

func RestartTarantool 

func RestartTarantool(inst *TarantoolInstance) error

RestartTarantool restarts a tarantool instance for tests with specifies parameters (refer to StartOpts) which were specified in inst parameter. inst is a tarantool instance that was started by StartTarantool. Rewrites inst.Cmd.Process to stop instance with StopTarantool. Process must be stopped with StopTarantool.

func Retry 

func Retry(f func(interface{}) error, args interface{}, count int, timeout time.Duration) error

func SetClusterRO 

func SetClusterRO(servers []string, connOpts tarantool.Opts, roles []bool) error

func SetInstanceRO 

func SetInstanceRO(server string, connOpts tarantool.Opts, isReplica bool) error

func SkipIfErrorExtendedInfoUnsupported 

func SkipIfErrorExtendedInfoUnsupported(t *testing.T)

SkipIfErrorExtendedInfoUnsupported skips test run if Tarantool without IPROTO_ERROR (0x52) support is used.

func SkipIfErrorMessagePackTypeUnsupported 

func SkipIfErrorMessagePackTypeUnsupported(t *testing.T)

SkipIfErrorMessagePackTypeUnsupported skips test run if Tarantool without MP_ERROR type over iproto support is used.

func SkipIfFeatureDropped 

func SkipIfFeatureDropped(t *testing.T, feature string, major, minor, patch uint64)

SkipIfFeatureDropped skips test run if Tarantool had dropped support of a feature.

func SkipIfFeatureSupported 

func SkipIfFeatureSupported(t *testing.T, feature string, major, minor, patch uint64)

SkipIfFeatureSupported skips test run if Tarantool supports a feature. Helper if useful when we want to test if everything is alright on older versions.

func SkipIfFeatureUnsupported 

func SkipIfFeatureUnsupported(t *testing.T, feature string, major, minor, patch uint64)

SkipIfFeatureUnsupported skips test run if Tarantool does not yet support a feature.

func SkipIfGreaterOrEqual 

func SkipIfGreaterOrEqual(t *testing.T, reason string, major, minor, patch uint64)

SkipIfGreaterOrEqual skips test run if Tarantool version is greater or equal than expected.

func SkipIfIdSupported 

func SkipIfIdSupported(t *testing.T)

SkipIfIdSupported skips test run if Tarantool with IPROTO_ID support is used. Skip is useful for tests validating that protocol info is processed as expected even for pre-IPROTO_ID instances.

func SkipIfIdUnsupported 

func SkipIfIdUnsupported(t *testing.T)

SkipIfIdUnsupported skips test run if Tarantool without IPROTO_ID support is used.

func SkipIfLess 

func SkipIfLess(t *testing.T, reason string, major, minor, patch uint64)

SkipIfLess skips test run if Tarantool version is less than expected.

func SkipIfPaginationUnsupported 

func SkipIfPaginationUnsupported(t *testing.T)

SkipIfPaginationUnsupported skips test run if Tarantool without pagination is used.

func SkipIfSQLUnsupported 

func SkipIfSQLUnsupported(t testing.TB)

func SkipIfStreamsUnsupported 

func SkipIfStreamsUnsupported(t *testing.T)

SkipOfStreamsUnsupported skips test run if Tarantool without streams support is used.

func SkipIfWatchersSupported 

func SkipIfWatchersSupported(t *testing.T)

SkipIfWatchersSupported skips test run if Tarantool with watchers support is used.

func SkipIfWatchersUnsupported 

func SkipIfWatchersUnsupported(t *testing.T)

SkipOfStreamsUnsupported skips test run if Tarantool without watchers support is used.

func StopTarantool 

func StopTarantool(inst TarantoolInstance)

StopTarantool stops a tarantool instance started with StartTarantool. Waits until any resources associated with the process is released. If something went wrong, fails.

func StopTarantoolInstances 

func StopTarantoolInstances(instances []TarantoolInstance)

func StopTarantoolWithCleanup 

func StopTarantoolWithCleanup(inst TarantoolInstance)

StopTarantoolWithCleanup stops a tarantool instance started with StartTarantool. Waits until any resources associated with the process is released. Cleans work directory after stop. If something went wrong, fails.

func WaitUntilReconnected 

func WaitUntilReconnected(conn *tarantool.Connection, retries uint, timeout time.Duration) bool

WaitUntilReconnected waits until connection is reestablished. Returns false in case of connection is not in the connected state after specified retries count, true otherwise.

Types

type CheckStatusesArgs 

type CheckStatusesArgs struct {
	ConnPool           *pool.ConnectionPool
	Servers            []string
	Mode               pool.Mode
	ExpectedPoolStatus bool
	ExpectedStatuses   map[string]bool
}

type ListenOnInstanceArgs 

type ListenOnInstanceArgs struct {
	ConnPool      *pool.ConnectionPool
	Mode          pool.Mode
	ServersNumber int
	ExpectedPorts map[string]bool
}

type StartOpts 

type StartOpts struct {
	// Auth is an authentication method for a Tarantool instance.
	Auth tarantool.Auth

	// InitScript is a Lua script for tarantool to run on start.
	InitScript string

	// Listen is box.cfg listen parameter for tarantool.
	// Use this address to connect to tarantool after configuration.
	// https://www.tarantool.io/en/doc/latest/reference/configuration/#cfg-basic-listen
	Listen string

	// ClientServer changes a host to connect to test startup of a Tarantool
	// instance. By default, it uses Listen value as the host for the connection.
	ClientServer string

	// ClientTransport changes Opts.Transport for a connection that checks startup
	// of a Tarantool instance.
	ClientTransport string

	// ClientSsl changes Opts.Ssl for a connection that checks startup of
	// a Tarantool instance.
	ClientSsl tarantool.SslOpts

	// WorkDir is box.cfg work_dir parameter for a Tarantool instance:
	// a folder to store data files. If not specified, helpers create a
	// new temporary directory.
	// Folder must be unique for each Tarantool process used simultaneously.
	// https://www.tarantool.io/en/doc/latest/reference/configuration/#confval-work_dir
	WorkDir string

	// SslCertsDir is a path to a directory with SSL certificates. It will be
	// copied to the working directory.
	SslCertsDir string

	// User is a username used to connect to tarantool.
	// All required grants must be given in InitScript.
	User string

	// Pass is a password for specified User.
	Pass string

	// WaitStart is a time to wait before starting to ping tarantool.
	WaitStart time.Duration

	// ConnectRetry is a count of retry attempts to ping tarantool. If the
	// value < 0 then there will be no ping tarantool at all.
	ConnectRetry int

	// RetryTimeout is a time between tarantool ping retries.
	RetryTimeout time.Duration

	// MemtxUseMvccEngine is flag to enable transactional
	// manager if set to true.
	MemtxUseMvccEngine bool
}

type StrangerRequest 

type StrangerRequest struct {
}

func NewStrangerRequest 

func NewStrangerRequest() *StrangerRequest

func (*StrangerRequest) Async 

func (sr *StrangerRequest) Async() bool

func (*StrangerRequest) Body 

func (sr *StrangerRequest) Body(resolver tarantool.SchemaResolver, enc *msgpack.Encoder) error

func (*StrangerRequest) Conn 

func (sr *StrangerRequest) Conn() *tarantool.Connection

func (*StrangerRequest) Ctx 

func (sr *StrangerRequest) Ctx() context.Context

func (*StrangerRequest) Type 

func (sr *StrangerRequest) Type() iproto.Type

type TarantoolInstance 

type TarantoolInstance struct {
	// Cmd is a Tarantool command. Used to kill Tarantool process.
	Cmd *exec.Cmd

	// Options for restarting a tarantool instance.
	Opts StartOpts
}

TarantoolInstance is a data for instance graceful shutdown and cleanup.

func StartTarantool 

func StartTarantool(startOpts StartOpts) (TarantoolInstance, error)

StartTarantool starts a tarantool instance for tests with specifies parameters (refer to StartOpts). Process must be stopped with StopTarantool.

func StartTarantoolInstances 

func StartTarantoolInstances(servers []string, workDirs []string,
	opts StartOpts) ([]TarantoolInstance, error)

Source Files

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