More coverage and better response adapter for standard/response

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

middleware/static_test.go

@@ -1 +1,67 @@
 package middleware
+
+import (
+	"net/http"
+	"testing"
+
+	"github.com/labstack/echo"
+	"github.com/labstack/echo/test"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestStatic(t *testing.T) {
+	e := echo.New()
+	req := test.NewRequest(echo.GET, "/", nil)
+	rec := test.NewResponseRecorder()
+	c := e.NewContext(req, rec)
+	h := Static("../_fixture")(func(c echo.Context) error {
+		return echo.ErrNotFound
+	})
+
+	// Directory
+	if assert.NoError(t, h(c)) {
+		assert.Contains(t, rec.Body.String(), "Echo")
+	}
+
+	// HTML5 mode
+	req = test.NewRequest(echo.GET, "/client", nil)
+	rec = test.NewResponseRecorder()
+	c = e.NewContext(req, rec)
+	static := StaticWithConfig(StaticConfig{
+		Root:  "../_fixture",
+		HTML5: true,
+	})
+	h = static(func(c echo.Context) error {
+		return echo.ErrNotFound
+	})
+	if assert.NoError(t, h(c)) {
+		assert.Equal(t, http.StatusOK, rec.Status())
+	}
+
+	// Browse
+	req = test.NewRequest(echo.GET, "/", nil)
+	rec = test.NewResponseRecorder()
+	c = e.NewContext(req, rec)
+	static = StaticWithConfig(StaticConfig{
+		Root:   "../_fixture/images",
+		Browse: true,
+	})
+	h = static(func(c echo.Context) error {
+		return echo.ErrNotFound
+	})
+	if assert.NoError(t, h(c)) {
+		assert.Contains(t, rec.Body.String(), "walle")
+	}
+
+	// Not found
+	req = test.NewRequest(echo.GET, "/not-found", nil)
+	rec = test.NewResponseRecorder()
+	c = e.NewContext(req, rec)
+	static = StaticWithConfig(StaticConfig{
+		Root: "../_fixture/images",
+	})
+	h = static(func(c echo.Context) error {
+		return echo.ErrNotFound
+	})
+	assert.Error(t, h(c))
+}