/
trades_test.go
92 lines (77 loc) · 1.62 KB
/
trades_test.go
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package trades_test
import (
"fmt"
"io/ioutil"
"math/rand"
"testing"
"time"
"github.com/ardanlabs/python-go/sqlite/trades"
_ "github.com/mattn/go-sqlite3"
"github.com/stretchr/testify/require"
)
func tempFile(require *require.Assertions) string {
file, err := ioutil.TempFile("", "*.db")
require.NoError(err)
file.Close()
return file.Name()
}
func TestAdd(t *testing.T) {
require := require.New(t)
dbFile := tempFile(require)
t.Logf("db file: %s", dbFile)
db, err := trades.NewDB(dbFile)
require.NoError(err)
defer db.Close()
trade := trades.Trade{
Time: time.Now(),
Symbol: "MSFT",
Price: 216.39,
IsBuy: false,
}
err = db.Add(trade)
require.NoError(err)
// TODO: Check database
}
func BenchmarkAdd(b *testing.B) {
require := require.New(b)
dbFile := tempFile(require)
b.Logf("db file: %s", dbFile)
db, err := trades.NewDB(dbFile)
require.NoError(err)
trade := trades.Trade{
Time: time.Now(),
Symbol: "MSFT",
Price: 216.39,
IsBuy: false,
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
err := db.Add(trade)
require.NoError(err)
}
}
func ExampleDB() {
dbFile := "/tmp/db-test" + time.Now().Format(time.RFC3339)
db, err := trades.NewDB(dbFile)
if err != nil {
fmt.Println("ERROR: create -", err)
return
}
defer db.Close()
const count = 10_000
for i := 0; i < count; i++ {
trade := trades.Trade{
Time: time.Now(),
Symbol: "AAPL",
Price: rand.Float64() * 200,
IsBuy: i%2 == 0,
}
if err := db.Add(trade); err != nil {
fmt.Println("ERROR: insert - ", err)
return
}
}
fmt.Printf("inserted %d records\n", count)
// Output:
// inserted 10000 records
}