read client grant from remote source correctly

auth0/resource_auth0_client_grant.go

@@ -41,7 +41,7 @@ func createClientGrant(d *schema.ResourceData, m interface{}) error {
 		return err
 	}
 	d.SetId(g.ID)
-	return nil
+	return readClientGrant(d, m)
 }
 
 func readClientGrant(d *schema.ResourceData, m interface{}) error {
@@ -51,6 +51,9 @@ func readClientGrant(d *schema.ResourceData, m interface{}) error {
 		return err
 	}
 	d.SetId(g.ID)
+	d.Set("client_id", g.ClientID)
+	d.Set("audience", g.Audience)
+	d.Set("scope", g.Scope)
 	return nil
 }
 
@@ -63,7 +66,7 @@ func updateClientGrant(d *schema.ResourceData, m interface{}) error {
 	if err != nil {
 		return err
 	}
-	return nil
+	return readClientGrant(d, m)
 }
 
 func deleteClientGrant(d *schema.ResourceData, m interface{}) error {

auth0/resource_auth0_client_grant_test.go

@@ -18,6 +18,7 @@ func TestAccClientGrant(t *testing.T) {
 				Config: testAccClientGrantConfig,
 				Check: resource.ComposeTestCheckFunc(
 					resource.TestCheckResourceAttr("auth0_client_grant.my_client_grant", "audience", "https://api.example.com/client-grant-test"),
+					resource.TestCheckResourceAttr("auth0_client_grant.my_client_grant", "scope.0", "create:foo"),
 				),
 			},
 		},