[Cronet-iOS] Public-Key-Pinning Tests

components/cronet/ios/test/cronet_test_base.h

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PRODUCTS_CRONET_TEST_BASE_H
+#define PRODUCTS_CRONET_TEST_BASE_H
+
+#include "Cronet/Cronet.h"
+#include "net/cert/cert_verifier.h"
+#include "net/cert/x509_certificate.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+#pragma mark
+
+// Exposes private test-only methods of the Cronet class.
+@interface Cronet (ExposedForTesting)
++ (void)shutdownForTesting;
++ (void)setMockCertVerifier:(std::unique_ptr<net::CertVerifier>)certVerifier;
+@end
+
+// NSURLSessionDataDelegate delegate implementation used by the tests to
+// wait for a response and check its status.
+@interface TestDelegate : NSObject<NSURLSessionDataDelegate>
+
+// Completion semaphore for this TestDelegate. When the request this delegate is
+// attached to finishes (either successfully or with an error), this delegate
+// signals this semaphore.
+@property(strong, atomic) dispatch_semaphore_t semaphore;
+
+// Error the request this delegate is attached to failed with, if any.
+@property(retain, atomic) NSError* error;
+
+// Contains total amount of received data.
+@property(readonly) long totalBytesReceived;
+
+// Resets the delegate, so it can be used again for another request.
+- (void)reset;
+
+// Contains the response body.
+- (NSString*)responseBody;
+
+@end
+
+// Forward declaration.
+namespace net {
+class MockCertVerifier;
+}
+
+namespace cronet {
+
+// A base class that should be extended by all other Cronet tests.
+// The class automatically starts and stoppes the test QUIC server.
+class CronetTestBase : public ::testing::Test {
+ protected:
+  static bool CalculatePublicKeySha256(const net::X509Certificate& cert,
+                                       net::HashValue* out_hash_value);
+
+  void SetUp() override;
+  void TearDown() override;
+  void StartDataTaskAndWaitForCompletion(NSURLSessionDataTask* task);
+  std::unique_ptr<net::MockCertVerifier> CreateMockCertVerifier(
+      const std::vector<std::string>& certs,
+      bool known_root);
+
+  ::testing::AssertionResult IsResponseSuccessful();
+
+  TestDelegate* delegate_;
+};  // class CronetTestBase
+
+}  // namespace cronet
+
+#endif  // PRODUCTS_CRONET_TEST_BASE_H