Fix SCIM query params (google#2680)

Fixes: google#2679.

github/github_test.go

@@ -159,6 +159,33 @@ func testJSONMarshal(t *testing.T, v interface{}, want string) {
 	}
 }
 
+// Test whether the v fields have the url tag and the parsing of v
+// produces query parameters that corresponds to the want string.
+func testAddURLOptions(t *testing.T, url string, v interface{}, want string) {
+	t.Helper()
+
+	vt := reflect.Indirect(reflect.ValueOf(v)).Type()
+	for i := 0; i < vt.NumField(); i++ {
+		field := vt.Field(i)
+		if alias, ok := field.Tag.Lookup("url"); ok {
+			if alias == "" {
+				t.Errorf("The field %+v has a blank url tag", field)
+			}
+		} else {
+			t.Errorf("The field %+v has no url tag specified", field)
+		}
+	}
+
+	got, err := addOptions(url, v)
+	if err != nil {
+		t.Errorf("Unable to add %#v as query parameters", v)
+	}
+
+	if got != want {
+		t.Errorf("addOptions(%q, %#v) returned %v, want %v", url, v, got, want)
+	}
+}
+
 // Test how bad options are handled. Method f under test should
 // return an error.
 func testBadOptions(t *testing.T, methodName string, f func() error) {

github/scim.go

@@ -69,14 +69,14 @@ type SCIMProvisionedIdentities struct {
 //
 // Github API docs: https://docs.github.com/en/rest/scim#list-scim-provisioned-identities--parameters
 type ListSCIMProvisionedIdentitiesOptions struct {
-	StartIndex *int `json:"startIndex,omitempty"` // Used for pagination: the index of the first result to return. (Optional.)
-	Count      *int `json:"count,omitempty"`      // Used for pagination: the number of results to return. (Optional.)
+	StartIndex *int `url:"startIndex,omitempty"` // Used for pagination: the index of the first result to return. (Optional.)
+	Count      *int `url:"count,omitempty"`      // Used for pagination: the number of results to return. (Optional.)
 	// Filter results using the equals query parameter operator (eq).
 	// You can filter results that are equal to id, userName, emails, and external_id.
 	// For example, to search for an identity with the userName Octocat, you would use this query: ?filter=userName%20eq%20\"Octocat\".
 	// To filter results for the identity with the email octocat@github.com, you would use this query: ?filter=emails%20eq%20\"octocat@github.com\".
 	// (Optional.)
-	Filter *string `json:"filter,omitempty"`
+	Filter *string `url:"filter,omitempty"`
 }
 
 // ListSCIMProvisionedIdentities lists SCIM provisioned identities.

github/scim_test.go

@@ -7,6 +7,7 @@ package github
 
 import (
 	"context"
+	"fmt"
 	"net/http"
 	"testing"
 	"time"
@@ -428,22 +429,37 @@ func TestUpdateAttributeForSCIMUserOptions_Marshal(t *testing.T) {
 	testJSONMarshal(t, u, want)
 }
 
-func TestListSCIMProvisionedIdentitiesOptions_Marshal(t *testing.T) {
-	testJSONMarshal(t, &ListSCIMProvisionedIdentitiesOptions{}, `{}`)
+func TestListSCIMProvisionedIdentitiesOptions_addOptions(t *testing.T) {
+	testJSONMarshal(t, &ListSCIMProvisionedIdentitiesOptions{}, `{
+		"StartIndex": null,
+		"Count": null,
+		"Filter": null
+	}`)
 
-	u := &ListSCIMProvisionedIdentitiesOptions{
-		StartIndex: Int(1),
-		Count:      Int(10),
-		Filter:     String("test"),
-	}
+	url := "some/path"
 
-	want := `{
-		"startIndex": 1,
-		"count": 10,
-	 	"filter": "test"
-	}`
+	testAddURLOptions(t, url, &ListSCIMProvisionedIdentitiesOptions{}, url)
 
-	testJSONMarshal(t, u, want)
+	testAddURLOptions(
+		t,
+		url,
+		&ListSCIMProvisionedIdentitiesOptions{
+			StartIndex: Int(1),
+			Count:      Int(10),
+		},
+		fmt.Sprintf("%s?count=10&startIndex=1", url),
+	)
+
+	testAddURLOptions(
+		t,
+		url,
+		&ListSCIMProvisionedIdentitiesOptions{
+			StartIndex: Int(1),
+			Count:      Int(10),
+			Filter:     String("test"),
+		},
+		fmt.Sprintf("%s?count=10&filter=test&startIndex=1", url),
+	)
 }
 
 func TestSCIMUserName_Marshal(t *testing.T) {