[NC Apple coverage] Add unit tests for BleSocket on Apple.

PiperOrigin-RevId: 808378919
2026-09-16 15:36:12 -04:00 · 2025-09-17 20:51:46 -07:00
parent 43ab7841ad
commit 961e73d7c9
5 changed files with 243 additions and 0 deletions
@@ -0,0 +1,141 @@
+// Copyright 2025 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "internal/platform/implementation/apple/ble_socket.h"
+
+#import <XCTest/XCTest.h>
+
+#include "internal/platform/exception.h"
+#import "internal/platform/implementation/apple/Mediums/BLE/GNCBLEGATTCharacteristic.h"
+#import "internal/platform/implementation/apple/Mediums/BLE/GNCBLEGATTServer.h"
+#import "internal/platform/implementation/apple/Mediums/BLE/GNCCentralManager.h"
+#import "internal/platform/implementation/apple/Mediums/BLE/GNCMConnection.h"
+#import "internal/platform/implementation/apple/Mediums/BLE/GNCPeripheral.h"
+#import "internal/platform/implementation/apple/Mediums/BLE/GNCPeripheralManager.h"
+#import "internal/platform/implementation/apple/Mediums/BLE/Tests/GNCMFakeConnection.h"
+
+@interface GNCBleSocketTest : XCTestCase
+@end
+
+@implementation GNCBleSocketTest {
+  nearby::apple::BleSocket *_socket;
+  GNCMFakeConnection *_fakeGNCMConnection;
+}
+
+- (void)setUp {
+  [super setUp];
+  _fakeGNCMConnection = [[GNCMFakeConnection alloc] init];
+  _socket = new nearby::apple::BleSocket(_fakeGNCMConnection);
+  _fakeGNCMConnection.connectionHandlers = _socket->GetInputStream().GetConnectionHandlers();
+}
+
+- (void)tearDown {
+  delete _socket;
+  [super tearDown];
+}
+
+- (void)testBleSocketConstructor {
+  XCTAssertNotEqual(_socket, nullptr);
+}
+
+- (void)testBleSocketGetInputStream {
+  XCTAssertNotEqual(&_socket->GetInputStream(), nullptr);
+}
+
+- (void)testBleSocketGetOutputStream {
+  XCTAssertNotEqual(&_socket->GetOutputStream(), nullptr);
+}
+
+- (void)testBleSocketClose {
+  XCTAssertEqual(_socket->Close().value, nearby::Exception::kSuccess);
+  XCTAssertTrue(_socket->IsClosed());
+}
+
+- (void)testBleSocketGetRemotePeripheralId {
+  XCTAssertEqual(_socket->GetRemotePeripheralId(), 0xffffffffffffffff);
+}
+
+- (void)testBleSocketIsClosed {
+  XCTAssertFalse(_socket->IsClosed());
+  XCTAssertEqual(_socket->Close().value, nearby::Exception::kSuccess);
+  XCTAssertTrue(_socket->IsClosed());
+}
+
+- (void)testBleSocketSetCloseNotifier {
+  bool notifierCalled = false;
+  _socket->SetCloseNotifier([&notifierCalled] { notifierCalled = true; });
+  XCTAssertEqual(_socket->Close().value, nearby::Exception::kSuccess);
+  XCTAssertTrue(notifierCalled);
+}
+
+- (void)testBleInputStreamRead {
+  nearby::apple::BleInputStream &inputStream = _socket->GetInputStream();
+
+  // Simulate data coming in.
+  NSString *testString = @"Hello";
+  NSData *testData = [testString dataUsingEncoding:NSUTF8StringEncoding];
+  [_fakeGNCMConnection simulateDataReceived:testData];
+
+  // Read the data.
+  nearby::ExceptionOr<nearby::ByteArray> result = inputStream.Read(testData.length);
+  XCTAssertTrue(result.ok());
+  XCTAssertEqual(result.result().size(), testData.length);
+  XCTAssertEqualObjects(testData, [NSData dataWithBytes:result.result().data()
+                                                 length:result.result().size()]);
+}
+
+- (void)testBleInputStreamReadAfterDisconnect {
+  nearby::apple::BleInputStream &inputStream = _socket->GetInputStream();
+
+  // Simulate data coming in.
+  NSString *testString = @"Hello";
+  NSData *testData = [testString dataUsingEncoding:NSUTF8StringEncoding];
+  [_fakeGNCMConnection simulateDataReceived:testData];
+
+  // Simulate disconnect.
+  [_fakeGNCMConnection simulateDisconnect];
+
+  // Reads should now fail with an IO exception.
+  nearby::ExceptionOr<nearby::ByteArray> result = inputStream.Read(testData.length);
+  XCTAssertFalse(result.ok());
+  XCTAssertEqual(result.exception(), nearby::Exception::kIo);
+
+  // Further reads should also fail.
+  result = inputStream.Read(1);
+  XCTAssertFalse(result.ok());
+  XCTAssertEqual(result.exception(), nearby::Exception::kIo);
+}
+
+- (void)testBleInputStreamClose {
+  nearby::apple::BleInputStream &inputStream = _socket->GetInputStream();
+  XCTAssertEqual(inputStream.Close().value, nearby::Exception::kSuccess);
+}
+
+- (void)testBleOutputStreamWrite {
+  nearby::apple::BleOutputStream &outputStream = _socket->GetOutputStream();
+  nearby::ByteArray data("test");
+  XCTAssertEqual(outputStream.Write(data).value, nearby::Exception::kSuccess);
+}
+
+- (void)testBleOutputStreamFlush {
+  nearby::apple::BleOutputStream &outputStream = _socket->GetOutputStream();
+  XCTAssertEqual(outputStream.Flush().value, nearby::Exception::kSuccess);
+}
+
+- (void)testBleOutputStreamClose {
+  nearby::apple::BleOutputStream &outputStream = _socket->GetOutputStream();
+  XCTAssertEqual(outputStream.Close().value, nearby::Exception::kSuccess);
+}
+
+@end