framework

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 Go to latest Published: Apr 21, 2020 License: Apache-2.0 Imports: 23 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source 
var (
	// Target is the target info for the server.
	Target querypb.Target
	// Server is the TabletServer for the framework.
	Server *tabletserver.TabletServer
	// ServerAddress is the http URL for the server.
	ServerAddress string
	// ResolveChan is the channel that sends dtids that are to be resolved.
	ResolveChan = make(chan string, 1)
)

Functions

func DebugSchema 

func DebugSchema() map[string]Table

DebugSchema parses /debug/schema and returns a map of the tables keyed by the table name.

func DebugVars 

func DebugVars() map[string]interface{}

DebugVars parses /debug/vars and returns a map. The function returns an empty map on error.

func FetchInt 

func FetchInt(vars map[string]interface{}, tags string) int

FetchInt fetches the specified slash-separated tag and returns the value as an int. It returns 0 on error, or if not found.

func FetchJSON 

func FetchJSON(urlPath string) map[string]interface{}

FetchJSON fetches JSON content from the specified URL path and returns it as a map. The function returns an empty map on error.

func FetchURL 

func FetchURL(urlPath string) string

FetchURL fetches the content from the specified URL path and returns it as a string. The function returns an empty string on error.

func FetchVal 

func FetchVal(vars map[string]interface{}, tags string) interface{}

FetchVal fetches the specified slash-separated tag and returns the value as an interface. It returns nil on error, or if not found.

func QueryStats 

func QueryStats() map[string]QueryStat

QueryStats parses /debug/query_stats and returns a map of the query stats keyed by the query.

func RowsToStrings 

func RowsToStrings(qr *sqltypes.Result) [][]string

RowsToStrings converts qr.Rows to [][]string.

func StartServer 

func StartServer(connParams, connAppDebugParams mysql.ConnParams, dbName string) error

StartServer starts the server and initializes all the global variables. This function should only be called once at the beginning of the test.

func StopServer 

func StopServer()

StopServer must be called once all the tests are done.

func StreamTerminate 

func StreamTerminate(connID int) error

StreamTerminate terminates the specified streaming query.

Types

type MultiCase 

type MultiCase struct {
	Name  string
	Cases []Testable
}

MultiCase groups a number of test cases under a name. A MultiCase is also Testable. So, it can be recursive.

func (*MultiCase) Test 

func (mc *MultiCase) Test(name string, client *QueryClient) error

Test executes the test cases in MultiCase. The test is interrupted if there is a failure. The name parameter is used if MultiCase doesn't have a Name.

type QueryCatcher 

type QueryCatcher struct {
	// contains filtered or unexported fields
}

QueryCatcher allows you to capture and fetch queries that are being executed by TabletServer.

func NewQueryCatcher 

func NewQueryCatcher() QueryCatcher

NewQueryCatcher sets up the capture and retuns a QueryCatcher. You must call Close when done.

func (*QueryCatcher) Close 

func (qc *QueryCatcher) Close()

Close closes the QueryCatcher.

func (*QueryCatcher) Next 

func (qc *QueryCatcher) Next() (*tabletenv.LogStats, error)

Next fetches the next captured query. If the wait is longer than one second, it returns an error.

type QueryClient 

type QueryClient struct {
	// contains filtered or unexported fields
}

QueryClient provides a convenient wrapper for TabletServer's query service. It's not thread safe, but you can create multiple clients that point to the same server.

func NewClient 

func NewClient() *QueryClient

NewClient creates a new client for Server.

func NewClientWithContext 

func NewClientWithContext(ctx context.Context) *QueryClient

NewClientWithContext creates a new client for Server with the provided context.

func (*QueryClient) Begin 

func (client *QueryClient) Begin(clientFoundRows bool) error

Begin begins a transaction.

func (*QueryClient) BeginExecute 

func (client *QueryClient) BeginExecute(query string, bindvars map[string]*querypb.BindVariable) (*sqltypes.Result, error)

BeginExecute performs a BeginExecute.

func (*QueryClient) Commit 

func (client *QueryClient) Commit() error

Commit commits the current transaction.

func (*QueryClient) CommitPrepared 

func (client *QueryClient) CommitPrepared(dtid string) error

CommitPrepared commits a prepared transaction.

func (*QueryClient) ConcludeTransaction 

func (client *QueryClient) ConcludeTransaction(dtid string) error

ConcludeTransaction issues a ConcludeTransaction to TabletServer.

func (*QueryClient) CreateTransaction 

func (client *QueryClient) CreateTransaction(dtid string, participants []*querypb.Target) error

CreateTransaction issues a CreateTransaction to TabletServer.

func (*QueryClient) Execute 

func (client *QueryClient) Execute(query string, bindvars map[string]*querypb.BindVariable) (*sqltypes.Result, error)

Execute executes a query.

func (*QueryClient) ExecuteBatch 

func (client *QueryClient) ExecuteBatch(queries []*querypb.BoundQuery, asTransaction bool) ([]sqltypes.Result, error)

ExecuteBatch executes a batch of queries.

func (*QueryClient) ExecuteWithOptions 

func (client *QueryClient) ExecuteWithOptions(query string, bindvars map[string]*querypb.BindVariable, options *querypb.ExecuteOptions) (*sqltypes.Result, error)

ExecuteWithOptions executes a query using 'options'.

func (*QueryClient) MessageAck 

func (client *QueryClient) MessageAck(name string, ids []string) (int64, error)

MessageAck acks messages

func (*QueryClient) MessageStream 

func (client *QueryClient) MessageStream(name string, callback func(*sqltypes.Result) error) (err error)

MessageStream streams messages from the message table.

func (*QueryClient) Prepare 

func (client *QueryClient) Prepare(dtid string) error

Prepare executes a prepare on the current transaction.

func (*QueryClient) ReadTransaction 

func (client *QueryClient) ReadTransaction(dtid string) (*querypb.TransactionMetadata, error)

ReadTransaction returns the transaction metadata.

func (*QueryClient) Rollback 

func (client *QueryClient) Rollback() error

Rollback rolls back the current transaction.

func (*QueryClient) RollbackPrepared 

func (client *QueryClient) RollbackPrepared(dtid string, originalID int64) error

RollbackPrepared rollsback a prepared transaction.

func (*QueryClient) SetRollback 

func (client *QueryClient) SetRollback(dtid string, transactionID int64) error

SetRollback issues a SetRollback to TabletServer.

func (*QueryClient) SetServingType 

func (client *QueryClient) SetServingType(tabletType topodatapb.TabletType) error

SetServingType is for testing transitions. It currently supports only master->replica and back.

func (*QueryClient) StartCommit 

func (client *QueryClient) StartCommit(dtid string) error

StartCommit issues a StartCommit to TabletServer for the current transaction.

func (*QueryClient) Stream 

func (client *QueryClient) Stream(query string, bindvars map[string]*querypb.BindVariable, sendFunc func(*sqltypes.Result) error) error

Stream streams the results of a query.

func (*QueryClient) StreamExecute 

func (client *QueryClient) StreamExecute(query string, bindvars map[string]*querypb.BindVariable) (*sqltypes.Result, error)

StreamExecute executes a query & returns the results.

func (*QueryClient) StreamExecuteWithOptions 

func (client *QueryClient) StreamExecuteWithOptions(query string, bindvars map[string]*querypb.BindVariable, options *querypb.ExecuteOptions) (*sqltypes.Result, error)

StreamExecuteWithOptions executes a query & returns the results using 'options'.

type QueryStat 

type QueryStat struct {
	Query, Table, Plan                                string
	QueryCount, Time, MysqlTime, RowCount, ErrorCount int
}

QueryStat contains the stats for one query.

type StreamQuery 

type StreamQuery struct {
	Query             string
	ContextHTML       string
	Start             time.Time
	Duration          int64
	ConnID            int
	State             string
	ShowTerminateLink bool
}

StreamQuery contains the streaming query info.

func StreamQueryz 

func StreamQueryz() []StreamQuery

StreamQueryz returns the contents of /streamqueryz?format=json. as a []StreamQuery. The function returns an empty list on error.

type Table 

type Table struct {
	Name    string
	Columns []TableColumn
	Type    int
}

Table is a subset of schema.Table. TODO(sougou): I'm getting a json parsing error on the 'Default' field of schema.TabletColumn. Otherwise, we should just be able to decode the json output into a schema.Table.

type TableColumn 

type TableColumn struct {
	Name     string
	Category int
	IsAuto   bool
}

TableColumn contains info about a table's column.

type TestCase 

type TestCase struct {
	// Name gives a name to the test case. It will be used
	// for reporting failures.
	Name string

	// Query and BindVars are the input.
	Query    string
	BindVars map[string]*querypb.BindVariable

	// Result is the list of rows that must be returned.
	// It's represented as 2-d strings. They byte values
	// will be compared against The bytes returned by the
	// query. The check is skipped if Result is nil.
	Result [][]string

	// Rows affected can be nil or an int.
	RowsAffected interface{}

	// Rewritten specifies how the query should have be rewritten.
	Rewritten []string

	// Plan specifies the plan type that was used. It will be matched
	// against tabletserver.PlanType(val).String().
	Plan string

	// If Table is specified, then the framework will validate the
	// cache stats for that table. If the stat values are nil, then
	// the check is skipped.
	Table         string
	Hits          interface{}
	Misses        interface{}
	Absent        interface{}
	Invalidations interface{}
}

TestCase represents one test case. It will execute the query and verify its results and effects against what must be expected. Expected fields are optional.

func (*TestCase) Test 

func (tc *TestCase) Test(name string, client *QueryClient) error

Test executes the test case and returns an error if it failed. The name parameter is used if the test case doesn't have a name.

type TestQuery 

type TestQuery string

TestQuery represents a plain query. It will be executed without a bind variable. The framework will check for errors, but nothing beyond. Statements like 'begin', etc. will be converted to the corresponding transaction commands.

func (TestQuery) Test 

func (tq TestQuery) Test(name string, client *QueryClient) error

Test executes the query and returns an error if it failed.

type Testable 

type Testable interface {
	Test(name string, client *QueryClient) error
}

Testable restricts the types that can be added to a test case.

type TxCatcher 

type TxCatcher struct {
	// contains filtered or unexported fields
}

TxCatcher allows you to capture and fetch transactions that are being executed by TabletServer.

func NewTxCatcher 

func NewTxCatcher() TxCatcher

NewTxCatcher sets up the capture and returns a new TxCatcher. You must call Close when done.

func (*TxCatcher) Close 

func (tc *TxCatcher) Close()

Close closes the TxCatcher.

func (*TxCatcher) Next 

func (tc *TxCatcher) Next() (*tabletserver.TxConnection, error)

Next fetches the next captured transaction. If the wait is longer than one second, it returns an error.

Source Files

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