Issue #2974274 by mitrpaka, RumyanaRuseva, joachim: exception message for unrecognized source IDs in lookupDestinationIds() should have more detail

(cherry picked from commit aa577be)

Author: alexpott

modules/migrate/src/Plugin/migrate/id_map/Sql.php

@@ -584,7 +584,7 @@ public function lookupDestinationIds(array $source_id_values) {
 
     if (!empty($source_id_values)) {
       $var_dump = var_export($source_id_values, TRUE);
-      throw new MigrateException(sprintf("Extra unknown items in source IDs: %s", $var_dump));
+      throw new MigrateException(sprintf("Extra unknown items for map %s in source IDs: %s", $this->mapTableName(), $var_dump));
     }
 
     $query = $this->getDatabase()->select($this->mapTableName(), 'map')

modules/migrate/tests/src/Unit/MigrateSqlIdMapTest.php

@@ -529,14 +529,14 @@ public function testLookupDestinationIds() {
       $this->fail('Too many source IDs should throw');
     }
     catch (MigrateException $e) {
-      $this->assertEquals("Extra unknown items in source IDs: array (\n  0 => 3,\n)", $e->getMessage());
+      $this->assertEquals("Extra unknown items for map migrate_map_sql_idmap_test in source IDs: array (\n  0 => 3,\n)", $e->getMessage());
     }
     try {
       $id_map->lookupDestinationIds(['nid' => 1, 'aaa' => '2']);
       $this->fail('Unknown source ID key should throw');
     }
     catch (MigrateException $e) {
-      $this->assertEquals("Extra unknown items in source IDs: array (\n  'aaa' => '2',\n)", $e->getMessage());
+      $this->assertEquals("Extra unknown items for map migrate_map_sql_idmap_test in source IDs: array (\n  'aaa' => '2',\n)", $e->getMessage());
     }
 
     // Verify that we are looking up by source_id_hash when all source IDs are