Merge branch 'master-allow-html-buffers' of https://github.com/GannettDigital/echo into GannettDigital-master-allow-html-buffers

Author: vishr

context.go

@@ -106,6 +106,9 @@ type (
 		// HTML sends an HTTP response with status code.
 		HTML(int, string) error
 
+		// HTMLBlob sends an HTTP blob response with status code.
+		HTMLBlob(int, []byte) error
+
 		// String sends a string response with status code.
 		String(int, string) error
 
@@ -356,17 +359,15 @@ func (c *context) Render(code int, name string, data interface{}) (err error) {
 }
 
 func (c *context) HTML(code int, html string) (err error) {
-	c.response.Header().Set(HeaderContentType, MIMETextHTMLCharsetUTF8)
-	c.response.WriteHeader(code)
-	_, err = c.response.Write([]byte(html))
-	return
+	return c.Blob(code, MIMETextHTMLCharsetUTF8, []byte(html))
+}
+
+func (c *context) HTMLBlob(code int, b []byte) (err error) {
+	return c.Blob(code, MIMETextHTMLCharsetUTF8, b)
 }
 
 func (c *context) String(code int, s string) (err error) {
-	c.response.Header().Set(HeaderContentType, MIMETextPlainCharsetUTF8)
-	c.response.WriteHeader(code)
-	_, err = c.response.Write([]byte(s))
-	return
+	return c.Blob(code, MIMETextPlainCharsetUTF8, []byte(s))
 }
 
 func (c *context) JSON(code int, i interface{}) (err error) {

context_test.go

@@ -126,6 +126,16 @@ func TestContext(t *testing.T) {
 		assert.Equal(t, "Hello, <strong>World!</strong>", rec.Body.String())
 	}
 
+	// HTMLBlob
+	rec = httptest.NewRecorder()
+	c = e.NewContext(req, rec).(*context)
+	err = c.HTMLBlob(http.StatusOK, []byte("Hello, <strong>World!</strong>"))
+	if assert.NoError(t, err) {
+		assert.Equal(t, http.StatusOK, rec.Code)
+		assert.Equal(t, MIMETextHTMLCharsetUTF8, rec.Header().Get(HeaderContentType))
+		assert.Equal(t, "Hello, <strong>World!</strong>", rec.Body.String())
+	}
+
 	// Stream
 	rec = httptest.NewRecorder()
 	c = e.NewContext(req, rec).(*context)