fix passing of new team permission options

AddTeamRepo's "permission" option and AddTeamMembership's "role" option
should both be passed as part of a JSON request body, not as URL query
parameters.

github/orgs_teams.go

@@ -251,7 +251,7 @@ type OrganizationAddTeamRepoOptions struct {
 	//     admin - team members can pull, push and administer this repository
 	//
 	// If not specified, the team's permission attribute will be used.
-	Permission string `url:"permission,omitempty"`
+	Permission string `json:"permission,omitempty"`
 }
 
 // AddTeamRepo adds a repository to be managed by the specified team.  The
@@ -261,12 +261,7 @@ type OrganizationAddTeamRepoOptions struct {
 // GitHub API docs: http://developer.github.com/v3/orgs/teams/#add-team-repo
 func (s *OrganizationsService) AddTeamRepo(team int, owner string, repo string, opt *OrganizationAddTeamRepoOptions) (*Response, error) {
 	u := fmt.Sprintf("teams/%v/repos/%v/%v", team, owner, repo)
-	u, err := addOptions(u, opt)
-	if err != nil {
-		return nil, err
-	}
-
-	req, err := s.client.NewRequest("PUT", u, nil)
+	req, err := s.client.NewRequest("PUT", u, opt)
 	if err != nil {
 		return nil, err
 	}
@@ -346,7 +341,7 @@ type OrganizationAddTeamMembershipOptions struct {
 	//                  maintainer, and edit the team’s name and description
 	//
 	// Default value is "member".
-	Role string `url:"role,omitempty"`
+	Role string `json:"role,omitempty"`
 }
 
 // AddTeamMembership adds or invites a user to a team.
@@ -369,12 +364,7 @@ type OrganizationAddTeamMembershipOptions struct {
 // GitHub API docs: https://developer.github.com/v3/orgs/teams/#add-team-membership
 func (s *OrganizationsService) AddTeamMembership(team int, user string, opt *OrganizationAddTeamMembershipOptions) (*Membership, *Response, error) {
 	u := fmt.Sprintf("teams/%v/memberships/%v", team, user)
-	u, err := addOptions(u, opt)
-	if err != nil {
-		return nil, nil, err
-	}
-
-	req, err := s.client.NewRequest("PUT", u, nil)
+	req, err := s.client.NewRequest("PUT", u, opt)
 	if err != nil {
 		return nil, nil, err
 	}

github/orgs_teams_test.go

@@ -357,14 +357,21 @@ func TestOrganizationsService_AddTeamRepo(t *testing.T) {
 	setup()
 	defer teardown()
 
+	opt := &OrganizationAddTeamRepoOptions{Permission: "admin"}
+
 	mux.HandleFunc("/teams/1/repos/o/r", func(w http.ResponseWriter, r *http.Request) {
+		v := new(OrganizationAddTeamRepoOptions)
+		json.NewDecoder(r.Body).Decode(v)
+
 		testMethod(t, r, "PUT")
-		testFormValues(t, r, values{"permission": "admin"})
 		testHeader(t, r, "Accept", mediaTypeOrgPermissionPreview)
+		if !reflect.DeepEqual(v, opt) {
+			t.Errorf("Request body = %+v, want %+v", v, opt)
+		}
+
 		w.WriteHeader(http.StatusNoContent)
 	})
 
-	opt := &OrganizationAddTeamRepoOptions{Permission: "admin"}
 	_, err := client.Organizations.AddTeamRepo(1, "o", "r", opt)
 	if err != nil {
 		t.Errorf("Organizations.AddTeamRepo returned error: %v", err)
@@ -435,14 +442,21 @@ func TestOrganizationsService_AddTeamMembership(t *testing.T) {
 	setup()
 	defer teardown()
 
+	opt := &OrganizationAddTeamMembershipOptions{Role: "maintainer"}
+
 	mux.HandleFunc("/teams/1/memberships/u", func(w http.ResponseWriter, r *http.Request) {
+		v := new(OrganizationAddTeamMembershipOptions)
+		json.NewDecoder(r.Body).Decode(v)
+
 		testMethod(t, r, "PUT")
-		testFormValues(t, r, values{"role": "maintainer"})
 		testHeader(t, r, "Accept", mediaTypeOrgPermissionPreview)
+		if !reflect.DeepEqual(v, opt) {
+			t.Errorf("Request body = %+v, want %+v", v, opt)
+		}
+
 		fmt.Fprint(w, `{"url":"u", "state":"pending"}`)
 	})
 
-	opt := &OrganizationAddTeamMembershipOptions{Role: "maintainer"}
 	membership, _, err := client.Organizations.AddTeamMembership(1, "u", opt)
 	if err != nil {
 		t.Errorf("Organizations.AddTeamMembership returned error: %v", err)