Added method override middleware

Signed-off-by: Vishal Rana <vr@labstack.com>

middleware/basic_auth_test.go

@@ -0,0 +1,50 @@
+package middleware
+
+import (
+	"encoding/base64"
+	"net/http"
+	"testing"
+
+	"github.com/labstack/echo"
+	"github.com/labstack/echo/test"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestBasicAuth(t *testing.T) {
+	e := echo.New()
+	req := test.NewRequest(echo.GET, "/", nil)
+	res := test.NewResponseRecorder()
+	c := e.NewContext(req, res)
+	f := func(u, p string) bool {
+		if u == "joe" && p == "secret" {
+			return true
+		}
+		return false
+	}
+	h := BasicAuth(f)(func(c echo.Context) error {
+		return c.String(http.StatusOK, "test")
+	})
+
+	// Valid credentials
+	auth := basic + " " + base64.StdEncoding.EncodeToString([]byte("joe:secret"))
+	req.Header().Set(echo.HeaderAuthorization, auth)
+	assert.NoError(t, h(c))
+
+	// Incorrect password
+	auth = basic + " " + base64.StdEncoding.EncodeToString([]byte("joe:password"))
+	req.Header().Set(echo.HeaderAuthorization, auth)
+	he := h(c).(*echo.HTTPError)
+	assert.Equal(t, http.StatusUnauthorized, he.Code)
+	assert.Equal(t, basic+" realm=Restricted", res.Header().Get(echo.HeaderWWWAuthenticate))
+
+	// Empty Authorization header
+	req.Header().Set(echo.HeaderAuthorization, "")
+	he = h(c).(*echo.HTTPError)
+	assert.Equal(t, http.StatusBadRequest, he.Code)
+
+	// Invalid Authorization header
+	auth = base64.StdEncoding.EncodeToString([]byte("invalid"))
+	req.Header().Set(echo.HeaderAuthorization, auth)
+	he = h(c).(*echo.HTTPError)
+	assert.Equal(t, http.StatusBadRequest, he.Code)
+}