support SetHeaderNonCanonical and SetHeadersNonCanonical

request.go

@@ -355,31 +355,22 @@ func (r *Request) SetHeader(key, value string) *Request {
 	return r
 }
 
-// SetHeadersMap set headers from a map for the request.
-// To use non-canonical keys, assign to the map directly.
-func (r *Request) SetHeadersMap(hdrs map[string]string) *Request {
+// SetHeadersNonCanonical set headers from a map for the request which key is a
+// non-canonical key (keep case unchanged), only valid for HTTP/1.1.
+func (r *Request) SetHeadersNonCanonical(hdrs map[string]string) *Request {
 	for k, v := range hdrs {
-		r.SetHeaderMap(k, v)
+		r.SetHeaderNonCanonical(k, v)
 	}
 	return r
 }
 
-// SetHeaderMap set a header for the request.
-// To use non-canonical keys, assign to the map directly.
-func (r *Request) SetHeaderMap(key, value string) *Request {
+// SetHeaderNonCanonical set a header for the request which key is a
+// non-canonical key (keep case unchanged), only valid for HTTP/1.1.
+func (r *Request) SetHeaderNonCanonical(key, value string) *Request {
 	if r.Headers == nil {
 		r.Headers = make(http.Header)
 	}
-	r.Headers[key] = []string{value}
-	return r
-}
-
-// SetHeaderMaps  set headers from a map for the request.
-// To use non-canonical keys, assign to the map directly.
-func (r *Request) SetHeaderMaps(hdrs map[string][]string) *Request {
-	if r.Headers == nil {
-		r.Headers = hdrs
-	}
+	r.Headers[key] = append(r.Headers[key], value)
 	return r
 }
 

request_test.go

@@ -12,6 +12,7 @@ import (
 	"net/url"
 	"os"
 	"strconv"
+	"strings"
 	"testing"
 	"time"
 )
@@ -510,31 +511,23 @@ func testHeader(t *testing.T, c *Client) {
 	assertEqual(t, "value3", headers.Get("header3"))
 }
 
-func TestSetHeaderMaps(t *testing.T) {
+func TestSetHeaderNonCanonical(t *testing.T) {
 	// set headers
-	headers := map[string][]string{
-		"header1": {"value1"},
-		"header2": {"value2", "value3"},
-	}
-	resp, err := tc().R().
-		SetHeaderMaps(headers).
-		Get("/headersMaps")
+	key := "spring.cloud.function.Routing-expression"
+	c := tc().EnableForceHTTP1()
+	resp, err := c.R().EnableDumpWithoutResponse().
+		SetHeadersNonCanonical(map[string]string{
+			key: "test",
+		}).Get("/header")
 	assertSuccess(t, resp, err)
+	assertEqual(t, true, strings.Contains(resp.Dump(), key))
 
-}
-
-func TestSetHeadersMap(t *testing.T) {
-	// set headers
-	headers := map[string]string{
-		"header1": "value1",
-		"header2": "value2",
-	}
-
-	resp, err := tc().R().
-		SetHeadersMap(headers).
-		Get("/headersMap")
+	resp, err = c.R().
+		EnableDumpWithoutResponse().
+		SetHeaderNonCanonical(key, "test").
+		Get("/header")
 	assertSuccess(t, resp, err)
-
+	assertEqual(t, true, strings.Contains(resp.Dump(), key))
 }
 
 func TestQueryParam(t *testing.T) {