feat: set up project

internal/services/price/conversor_test.go

@@ -0,0 +1,52 @@
+package price
+
+import (
+	"log"
+	"testing"
+
+	"gitea.urkob.com/urko/btc-pay-checker/internal/domain"
+	"gitea.urkob.com/urko/btc-pay-checker/kit"
+	"gitea.urkob.com/urko/btc-pay-checker/kit/cfg"
+	"github.com/stretchr/testify/require"
+)
+
+func TestConversor(t *testing.T) {
+	config := cfg.NewConfig(kit.RootDir() + "/.test.env")
+	p := NewPriceConversor(config.ConversorApi, config.DollarRateApi)
+
+	usd, err := p.USD(domain.CoinBTC)
+	require.NoError(t, err)
+	log.Println("$", usd)
+	require.Greater(t, usd, 0.0)
+
+	usd, err = p.USD(domain.CoinBTC)
+	require.NoError(t, err)
+	log.Println("$", usd)
+	require.Greater(t, usd, 0.0)
+
+	usdAmount := 100.0
+	btcPrice, err := p.UsdToBtc(usdAmount)
+	require.NoError(t, err)
+	log.Println("btcPrice", btcPrice)
+	require.Equal(t, btcPrice, usdAmount/usd)
+
+	usd, err = p.USD(domain.CoinBTC)
+	require.NoError(t, err)
+	log.Println("$", usd)
+	require.Greater(t, usd, 0.0)
+
+	btcAmount := 0.0001
+	usdPrice, err := p.BtcToUsd(btcAmount)
+	require.NoError(t, err)
+	log.Println("usdPrice", usdPrice)
+	require.Equal(t, usdPrice, btcAmount*usd)
+
+	euroRate, err := p.USDTo(domain.FiatCurrencyEuro)
+	require.NoError(t, err)
+	require.Greater(t, euroRate, 0.0)
+	log.Println("euroRate", euroRate)
+	usdAmount = 150.0
+	converted := usdAmount * euroRate
+	require.Greater(t, converted, 0.0)
+	require.Equal(t, usdAmount, converted/euroRate)
+}