chore(spanner): enable PG tests to run on emulator

Spanner/tests/System/PgBatchTest.php

@@ -83,7 +83,7 @@ public static function setUpBeforeClass(): void
      */
     public function testBatchWithDbRole($dbRole, $expected)
     {
-        // Emulator does not support FGAC
+        // Emulator does not support FGAC for the PG dialect.
         $this->skipEmulatorTests();
 
         $error = null;

Spanner/tests/System/PgBatchWriteTest.php

@@ -28,6 +28,8 @@ class PgBatchWriteTest extends SpannerPgTestCase
     const TABLE_NAME = 'BatchWrites';
     public static function setUpBeforeClass(): void
     {
+        // The BatchWrite tests are skipped for the GSQL dialect when running
+        // against the emulator.
         self::skipEmulatorTests();
         parent::setUpBeforeClass();
 

Spanner/tests/System/PgPartitionedDmlTest.php

@@ -30,6 +30,11 @@ class PgPartitionedDmlTest extends SpannerPgTestCase
 
     public function testPdml()
     {
+        // Skipping temporarily while we figure out the issue with
+        // `executePartitionedUpdate` not accepting parameters in
+        // PG format.
+        self::skipEmulatorTests();
+
         $db = self::$database;
 
         $db->updateDdl('CREATE TABLE ' . self::PDML_TABLE . '(

Spanner/tests/System/PgQueryTest.php

@@ -205,6 +205,8 @@ public function testBindFloat64Parameter()
 
     public function testBindFloat32Parameter()
     {
+        // Emulator as an issue with FLOAT32 for PG.
+        $this->skipEmulatorTests();
         $db = self::$database;
 
         $res = $db->execute('SELECT * FROM ' . self::TABLE_NAME . ' WHERE weight = $1', [
@@ -544,6 +546,8 @@ public function testBindJsonbParameterNull()
 
     public function testBindPgOidParameter()
     {
+        // Emulator support for PG.OID is pending.
+        $this->skipEmulatorTests();
         $db = self::$database;
 
         $res = $db->execute('SELECT $1', [
@@ -559,6 +563,8 @@ public function testBindPgOidParameter()
 
     public function testBindPgOidParameterNull()
     {
+        // Emulator support for PG.OID is pending.
+        $this->skipEmulatorTests();
         $db = self::$database;
 
         $res = $db->execute('SELECT $1', [
@@ -726,6 +732,8 @@ public function arrayTypesEmptyProvider()
      */
     public function testBindEmptyArrayOfType($type)
     {
+        // Emulator support for PG.OID is pending.
+        $this->skipEmulatorTests();
         $db = self::$database;
 
         $res = $db->execute('SELECT $1 as foo', [
@@ -764,6 +772,8 @@ public function arrayTypesNullProvider()
      */
     public function testBindNullArrayOfType($type)
     {
+        // Emulator support for PG.OID is pending.
+        $this->skipEmulatorTests();
         $db = self::$database;
 
         $res = $db->execute('SELECT $1 as foo', [

Spanner/tests/System/PgReadTest.php

@@ -420,6 +420,7 @@ public function testReadFailsOnDeadlineExceeded()
     {
         $this->expectException(DeadlineExceededException::class);
 
+        // The equiavalent test for the GSQL dialect is also skipped.
         $this->skipEmulatorTests();
         $db = self::$database;
         $keyset = new KeySet(['all' => true]);

Spanner/tests/System/PgWriteTest.php

@@ -44,6 +44,8 @@ class PgWriteTest extends SpannerPgTestCase
 
     public static function setUpBeforeClass(): void
     {
+        // The equiavalent tests for the GSQL dialect are also skipped.
+        self::skipEmulatorTests();
         parent::setUpBeforeClass();
 
         self::$database->updateDdlBatch([

Spanner/tests/System/SpannerPgTestCase.php

@@ -53,7 +53,6 @@ public static function setUpBeforeClass(): void
             return;
         }
 
-        self::skipEmulatorTests();
         self::getClient();
 
         self::$instance = self::$client->instance(self::INSTANCE_NAME);
@@ -83,15 +82,24 @@ public static function setUpBeforeClass(): void
                     name varchar(1024) NOT NULL,
                     birthday date
                 )',
-                'CREATE ROLE ' . self::DATABASE_ROLE,
-                'CREATE ROLE ' . self::RESTRICTIVE_DATABASE_ROLE,
-                'GRANT SELECT ON TABLE ' . self::TEST_TABLE_NAME .
-                ' TO ' . self::DATABASE_ROLE,
-                'GRANT SELECT(id, name), INSERT(id, name), UPDATE(id, name) ON TABLE '
-                . self::TEST_TABLE_NAME . ' TO ' . self::RESTRICTIVE_DATABASE_ROLE,
             ]
         )->pollUntilComplete();
 
+        // Currently, the emulator doesn't support setting roles for the PG
+        // dialect.
+        if (!getenv("SPANNER_EMULATOR_HOST")) {
+            $db->updateDdlBatch(
+                [
+                    'CREATE ROLE ' . self::DATABASE_ROLE,
+                    'CREATE ROLE ' . self::RESTRICTIVE_DATABASE_ROLE,
+                    'GRANT SELECT ON TABLE ' . self::TEST_TABLE_NAME .
+                    ' TO ' . self::DATABASE_ROLE,
+                    'GRANT SELECT(id, name), INSERT(id, name), UPDATE(id, name) ON TABLE '
+                    . self::TEST_TABLE_NAME . ' TO ' . self::RESTRICTIVE_DATABASE_ROLE,
+                ]
+            )->pollUntilComplete();
+        }
+
         self::$hasSetUp = true;
     }