feat: Add InsecureCredentialsWrapper for Emulator connection (#538)

src/InsecureCredentialsWrapper.php

@@ -0,0 +1,52 @@
+<?php
+/*
+ * Copyright 2024 Google LLC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace Google\ApiCore;
+
+/**
+ * For connect to emulator.
+ */
+class InsecureCredentialsWrapper extends CredentialsWrapper
+{
+    public function __construct()
+    {
+    }
+
+    public function getAuthorizationHeaderCallback($audience = null): callable
+    {
+        return fn() => [];
+    }
+
+    public function checkUniverseDomain(): void
+    {
+    }
+}

tests/Tests/Unit/InsecureCredentialsWrapperTest.php

@@ -0,0 +1,84 @@
+<?php
+/*
+ * Copyright 2024 Google LLC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace Google\ApiCore\Tests\Unit;
+
+use Google\ApiCore\InsecureCredentialsWrapper;
+use Google\ApiCore\Transport\HttpUnaryTransportTrait;
+use Google\ApiCore\Transport\GrpcTransport;
+use Google\ApiCore\Call;
+use Grpc\ChannelCredentials;
+use GuzzleHttp\Promise\Promise;
+use PHPUnit\Framework\TestCase;
+use Prophecy\PhpUnit\ProphecyTrait;
+
+class InsecureCredentialsWrapperTest extends TestCase
+{
+    use TestTrait;
+    use ProphecyTrait;
+
+    public function testInsecureCredentialsWrapperWithHttpTransport()
+    {
+        $httpImpl = new class () {
+            use HttpUnaryTransportTrait {
+                buildCommonHeaders as public;
+            }
+        };
+
+        $headers = $httpImpl->buildCommonHeaders([
+            'credentialsWrapper' => new InsecureCredentialsWrapper(),
+        ]);
+
+        $this->assertEmpty($headers);
+    }
+
+    public function testInsecureCredentialsWrapperWithGrpcTransport()
+    {
+        $this->requiresGrpcExtension();
+
+        $message = $this->createMockRequest();
+        $call = $this->prophesize(Call::class);
+        $call->getMessage()->willReturn($message);
+        $call->getMethod()->shouldBeCalled();
+        $call->getDecodeType()->shouldBeCalled();
+
+        $grpc = new GrpcTransport('', ['credentials' => ChannelCredentials::createInsecure()]);
+
+        $response = $grpc->startUnaryCall(
+            $call->reveal(),
+            ['credentialsWrapper' => new InsecureCredentialsWrapper()]
+        );
+
+        $this->assertInstanceOf(Promise::class, $response);
+    }
+
+}