commit inicial do projeto

internal/oracle/validator_test.go

@@ -0,0 +1,28 @@
+package oracle
+
+import (
+	"testing"
+	"time"
+)
+
+func TestValidateMajority(t *testing.T) {
+	now := time.Now()
+	d1 := &OracleData{Key: "USD-BRL", Value: 5.00, Time: now}
+	d2 := &OracleData{Key: "USD-BRL", Value: 5.01, Time: now.Add(-1 * time.Minute)}
+	d3 := &OracleData{Key: "USD-BRL", Value: 4.99, Time: now.Add(-2 * time.Minute)}
+
+	res, err := ValidateMajority([]*OracleData{d1, d2, d3}, 0.05)
+	if err != nil {
+		t.Fatalf("Falha ao validar maioria: %v", err)
+	}
+	if res == nil || res.Value == 0 {
+		t.Error("Valor inválido retornado pelo consenso")
+	}
+
+	// sem consenso
+	d4 := &OracleData{Key: "USD-BRL", Value: 3.0, Time: now}
+	_, err = ValidateMajority([]*OracleData{d1, d4}, 0.001)
+	if err == nil {
+		t.Error("Esperado erro por falta de consenso")
+	}
+}