payment test function

payment.go

@@ -2,13 +2,15 @@ package paypalsdk
 
 import (
 	"bytes"
+	"errors"
 	"fmt"
 	"net/http"
+	"strconv"
 )
 
 // CreateDirectPaypalPayment sends request with payment
-func (c *Client) CreateDirectPaypalPayment(payment PaypalPaymentRequest) (*PaymentResponse, error) {
-	buf := bytes.NewBuffer([]byte(""))
+func (c *Client) CreateDirectPaypalPayment(amount Amount) (*PaymentResponse, error) {
+	buf := bytes.NewBuffer([]byte("{\"intent\":\"sale\",\"payer\":{\"payment_method\":\"paypal\"},\"transactions\":[{\"amount\":{\"total\":\"" + strconv.FormatFloat(amount.Total, 'f', 2, 64) + "\",\"currency\":\"" + amount.Currency + "\"}}]}"))
 	req, err := http.NewRequest("POST", fmt.Sprintf("%s%s", c.APIBase, "/v1/payments/payment"), buf)
 	if err != nil {
 		return &PaymentResponse{}, err
@@ -16,10 +18,13 @@ func (c *Client) CreateDirectPaypalPayment(payment PaypalPaymentRequest) (*Payme
 
 	req.SetBasicAuth(c.ClientID, c.Secret)
 	req.Header.Set("Authorization", "Bearer "+c.Token.Token)
-	req.Header.Set("Content-type", "application/x-www-form-urlencoded")
 
 	p := PaymentResponse{}
 	err = c.Send(req, &p)
 
-	return &p, nil
+	if p.ID == "" {
+		return &p, errors.New("Unable to create payment with this access token")
+	}
+
+	return &p, err
 }

payment_test.go

@@ -0,0 +1,23 @@
+package paypalsdk
+
+import (
+	"testing"
+)
+
+func TestCreateDirectPaypalPayment(t *testing.T) {
+	c, _ := NewClient("clid", "secret", APIBaseSandBox)
+	c.Token = &TokenResponse{
+		Token: "invalidtoken",
+	}
+
+	amount := Amount{
+		Total:    15.1111,
+		Currency: "USD",
+	}
+
+	_, err := c.CreateDirectPaypalPayment(amount)
+
+	if err == nil {
+		t.Errorf("Error must be returned for invalid token")
+	}
+}

types.go

@@ -47,24 +47,15 @@ type (
 		Issue string `json:"issue"`
 	}
 
-	// PaypalPaymentRequest - All info about paypal type payment
-	PaypalPaymentRequest struct {
-		Transactions []Transaction
-	}
-
 	// PaymentResponse structure
 	PaymentResponse struct {
-	}
-
-	// Transaction element
-	Transaction struct {
-		Amount Amount
+		ID string `json:"id"`
 	}
 
 	// Amount to pay
 	Amount struct {
 		Currency string
-		Total    float32
+		Total    float64
 	}
 )