feat: Allow pretending for DDL statements

CHANGELOG.md

@@ -5,6 +5,7 @@ Added
 - `Schema\Grammar::compileDropForeign` to allow dropping foreign key constraints (#163)
 - `Schema\Builder::dropAllTables` works properly, dropping foreign keys, indexes, then tables in order of interleaving (#161)
 - Support for inserting and selecting array of DateTime/Numeric objects (#168)
+- Allow pretending for DDL statements (#170) 
 
 Changed
 - `Query\Builder::lock()` no longer throw an error and will be ignored instead (#156)

src/Concerns/ManagesDataDefinitions.php

@@ -63,10 +63,13 @@ public function runDdlBatch(array $statements): mixed
         }
 
         $start = microtime(true);
+        $result = [];
 
-        $result = $this->waitForOperation(
-            $this->getSpannerDatabase()->updateDdlBatch($statements),
-        );
+        if (!$this->pretending()) {
+            $result = $this->waitForOperation(
+                $this->getSpannerDatabase()->updateDdlBatch($statements),
+            );
+        }
 
         foreach ($statements as $statement) {
             $this->logQuery($statement, [], $this->getElapsedTime($start));

tests/Concerns/ManagesDataDefinitionsTest.php

@@ -38,8 +38,30 @@ public function test_runDdlBatch(): void
         $this->assertSame([], $result);
         $this->assertSame($statement, $conn->getQueryLog()[0]['query']);
         $this->assertCount(1, $conn->getQueryLog());
+        Event::assertDispatchedTimes(QueryExecuted::class, 1);
+        $this->assertContains($newTable, array_map(fn ($d) => $d['name'], $conn->getSchemaBuilder()->getTables()));
+    }
+
+    public function test_runDdlBatch_within_pretend(): void
+    {
+        $conn = $this->getDefaultConnection();
+        $conn->setEventDispatcher(Event::fake([QueryExecuted::class]));
+        $conn->enableQueryLog();
+
+        $newTable = $this->generateTableName('runDdlBatch');
+        $statement = "create table {$newTable} (id int64) primary key (id)";
+
+        $result = null;
+        $conn->pretend(function (Connection $conn) use (&$result, $statement) {
+            $result = $conn->runDdlBatch([$statement]);
+        });
+
+        $this->assertSame([], $result);
+        $this->assertSame([['query' => $statement, 'bindings' => [], 'time' => 0.0]], $conn->getQueryLog());
 
         Event::assertDispatchedTimes(QueryExecuted::class, 1);
+
+        $this->assertFalse($conn->getSchemaBuilder()->hasTable($newTable));
     }
 
     public function test_runDdlBatch_with_empty_statement(): void