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package protocol_test
import (
"context"
"testing"
"time"
"github.com/canonical/go-dqlite/v2/internal/protocol"
"github.com/canonical/go-dqlite/v2/logging"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// func TestProtocol_Heartbeat(t *testing.T) {
// c, cleanup := newProtocol(t)
// defer cleanup()
// request, response := newMessagePair(512, 512)
// protocol.EncodeHeartbeat(&request, uint64(time.Now().Unix()))
// makeCall(t, c, &request, &response)
// servers, err := protocol.DecodeNodes(&response)
// require.NoError(t, err)
// assert.Len(t, servers, 2)
// assert.Equal(t, client.Nodes{
// {ID: uint64(1), Address: "1.2.3.4:666"},
// {ID: uint64(2), Address: "5.6.7.8:666"}},
// servers)
// }
// Test sending a request that needs to be written into the dynamic buffer.
func TestProtocol_RequestWithDynamicBuffer(t *testing.T) {
p, cleanup := newProtocol(t)
defer cleanup()
request, response := newMessagePair(64, 64)
protocol.EncodeOpen(&request, "test.db", 0, "test-0")
makeCall(t, p, &request, &response)
id, err := protocol.DecodeDb(&response)
require.NoError(t, err)
sql := `
CREATE TABLE foo (n INT);
CREATE TABLE bar (n INT);
CREATE TABLE egg (n INT);
CREATE TABLE baz (n INT);
`
protocol.EncodeExecSQLV0(&request, uint64(id), sql, nil)
makeCall(t, p, &request, &response)
}
func TestProtocol_Prepare(t *testing.T) {
c, cleanup := newProtocol(t)
defer cleanup()
request, response := newMessagePair(64, 64)
protocol.EncodeOpen(&request, "test.db", 0, "test-0")
makeCall(t, c, &request, &response)
db, err := protocol.DecodeDb(&response)
require.NoError(t, err)
protocol.EncodePrepare(&request, uint64(db), "CREATE TABLE test (n INT)")
makeCall(t, c, &request, &response)
_, stmt, params, err := protocol.DecodeStmt(&response)
require.NoError(t, err)
assert.Equal(t, uint32(0), stmt)
assert.Equal(t, uint64(0), params)
}
/*
func TestProtocol_Exec(t *testing.T) {
client, cleanup := newProtocol(t)
defer cleanup()
ctx, cancel := context.WithTimeout(context.Background(), 250*time.Millisecond)
defer cancel()
db, err := client.Open(ctx, "test.db", "volatile")
require.NoError(t, err)
stmt, err := client.Prepare(ctx, db.ID, "CREATE TABLE test (n INT)")
require.NoError(t, err)
_, err = client.Exec(ctx, db.ID, stmt.ID)
require.NoError(t, err)
}
func TestProtocol_Query(t *testing.T) {
client, cleanup := newProtocol(t)
defer cleanup()
ctx, cancel := context.WithTimeout(context.Background(), 250*time.Millisecond)
defer cancel()
db, err := client.Open(ctx, "test.db", "volatile")
require.NoError(t, err)
start := time.Now()
stmt, err := client.Prepare(ctx, db.ID, "CREATE TABLE test (n INT)")
require.NoError(t, err)
_, err = client.Exec(ctx, db.ID, stmt.ID)
require.NoError(t, err)
_, err = client.Finalize(ctx, db.ID, stmt.ID)
require.NoError(t, err)
stmt, err = client.Prepare(ctx, db.ID, "INSERT INTO test VALUES(1)")
require.NoError(t, err)
_, err = client.Exec(ctx, db.ID, stmt.ID)
require.NoError(t, err)
_, err = client.Finalize(ctx, db.ID, stmt.ID)
require.NoError(t, err)
stmt, err = client.Prepare(ctx, db.ID, "SELECT n FROM test")
require.NoError(t, err)
_, err = client.Query(ctx, db.ID, stmt.ID)
require.NoError(t, err)
_, err = client.Finalize(ctx, db.ID, stmt.ID)
require.NoError(t, err)
fmt.Printf("time %s\n", time.Since(start))
}
*/
func newProtocol(t *testing.T) (*protocol.Protocol, func()) {
t.Helper()
address, serverCleanup := newNode(t, 0)
store := newStore(t, []string{address})
config := protocol.Config{
AttemptTimeout: 100 * time.Millisecond,
BackoffFactor: time.Millisecond,
}
connector := protocol.NewLeaderConnector(store, config, logging.Test(t))
ctx, cancel := context.WithTimeout(context.Background(), 250*time.Millisecond)
defer cancel()
proto, err := connector.Connect(ctx)
require.NoError(t, err)
cleanup := func() {
proto.Close()
serverCleanup()
}
return proto, cleanup
}
// Perform a client call.
func makeCall(t *testing.T, p *protocol.Protocol, request, response *protocol.Message) {
ctx, cancel := context.WithTimeout(context.Background(), 250*time.Millisecond)
defer cancel()
err := p.Call(ctx, request, response)
require.NoError(t, err)
}
// Return a new message pair to be used as request and response.
func newMessagePair(size1, size2 int) (protocol.Message, protocol.Message) {
message1 := protocol.Message{}
message1.Init(size1)
message2 := protocol.Message{}
message2.Init(size2)
return message1, message2
}
|
