Provide pagination to `UserService.ListFollowing`

github/users_followers.go

@@ -6,6 +6,8 @@
 package github
 
 import "fmt"
+import "net/url"
+import "strconv"
 
 // ListFollowers lists the followers for a user.  Passing the empty string will
 // fetch followers for the authenticated user.
@@ -33,7 +35,7 @@ func (s *UsersService) ListFollowers(user string) ([]User, *Response, error) {
 // string will list people the authenticated user is following.
 //
 // GitHub API docs: http://developer.github.com/v3/users/followers/#list-users-followed-by-another-user
-func (s *UsersService) ListFollowing(user string) ([]User, *Response, error) {
+func (s *UsersService) ListFollowing(user string, opt *ListOptions) ([]User, *Response, error) {
 	var u string
 	if user != "" {
 		u = fmt.Sprintf("users/%v/following", user)
@@ -41,6 +43,13 @@ func (s *UsersService) ListFollowing(user string) ([]User, *Response, error) {
 		u = "user/following"
 	}
 
+	if opt != nil {
+		params := url.Values{
+			"page": []string{strconv.Itoa(opt.Page)},
+		}
+		u += "?" + params.Encode()
+	}
+
 	req, err := s.client.NewRequest("GET", u, nil)
 	if err != nil {
 		return nil, nil, err

github/users_followers_test.go

@@ -63,10 +63,12 @@ func TestUsersService_ListFollowing_authenticatedUser(t *testing.T) {
 
 	mux.HandleFunc("/user/following", func(w http.ResponseWriter, r *http.Request) {
 		testMethod(t, r, "GET")
+		testFormValues(t, r, values{"page": "2"})
 		fmt.Fprint(w, `[{"id":1}]`)
 	})
 
-	users, _, err := client.Users.ListFollowing("")
+	opts := &ListOptions{2}
+	users, _, err := client.Users.ListFollowing("", opts)
 	if err != nil {
 		t.Errorf("Users.ListFollowing returned error: %v", err)
 	}
@@ -86,7 +88,7 @@ func TestUsersService_ListFollowing_specifiedUser(t *testing.T) {
 		fmt.Fprint(w, `[{"id":1}]`)
 	})
 
-	users, _, err := client.Users.ListFollowing("u")
+	users, _, err := client.Users.ListFollowing("u", nil)
 	if err != nil {
 		t.Errorf("Users.ListFollowing returned error: %v", err)
 	}
@@ -98,7 +100,7 @@ func TestUsersService_ListFollowing_specifiedUser(t *testing.T) {
 }
 
 func TestUsersService_ListFollowing_invalidUser(t *testing.T) {
-	_, _, err := client.Users.ListFollowing("%")
+	_, _, err := client.Users.ListFollowing("%", nil)
 	testURLParseError(t, err)
 }