WIP: NSS trust store integration for path builder.

net/cert/internal/cert_issuer_source_test_helpers.h

Index: net/cert/internal/cert_issuer_source_test_helpers.h
diff --git a/net/cert/internal/cert_issuer_source_test_helpers.h b/net/cert/internal/cert_issuer_source_test_helpers.h
new file mode 100644
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+++ b/net/cert/internal/cert_issuer_source_test_helpers.h
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+// Copyright 2016 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 NET_CERT_INTERNAL_CERT_ISSUER_SOURCE_TEST_HELPERS_H_
+#define NET_CERT_INTERNAL_CERT_ISSUER_SOURCE_TEST_HELPERS_H_
+
+#include "base/cancelable_callback.h"
+#include "base/location.h"
+#include "base/threading/thread_task_runner_handle.h"
+#include "net/cert/internal/cert_issuer_source_static.h"
+#include "net/cert/internal/parsed_certificate.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace net {
+
+// AsyncCertIssuerSourceStatic always returns its certs asynchronously, in a
+// single batch.
+class AsyncCertIssuerSourceStatic : public CertIssuerSource {
+ public:
+  AsyncCertIssuerSourceStatic();
+  ~AsyncCertIssuerSourceStatic() override;
+
+  void AddCert(scoped_refptr<ParsedCertificate> cert);
+  int num_async_gets() const { return num_async_gets_; }
+
+  // CertIssuerSource implementation:
+  void SyncGetIssuersOf(const ParsedCertificate* cert,
+                        ParsedCertificateList* issuers) override {}
+  void AsyncGetIssuersOf(scoped_refptr<ParsedCertificate> cert,
+                         const IssuerCallback& issuers_callback,
+                         std::unique_ptr<Request>* out_req) override;
+
+ private:
+  CertIssuerSourceStatic static_cert_issuer_source_;
+
+  int num_async_gets_ = 0;
+};
+
+// Mocks of CertIssuerSource::Request and CertIssuerSource that allow testing
+// more complicated sequences of results.
+class MockCertIssuerSourceRequest : public CertIssuerSource::Request {
+ public:
+  MockCertIssuerSourceRequest();
+  ~MockCertIssuerSourceRequest() override;
+
+  MOCK_METHOD1(GetNext, CompletionStatus(scoped_refptr<ParsedCertificate>*));
+};
+
+class MockCertIssuerSource : public CertIssuerSource {
+ public:
+  MockCertIssuerSource();
+  ~MockCertIssuerSource() override;
+
+  MOCK_METHOD2(SyncGetIssuersOf,
+               void(const ParsedCertificate*, ParsedCertificateList*));
+  MOCK_METHOD3(AsyncGetIssuersOf,
+               void(scoped_refptr<ParsedCertificate>,
+                    const IssuerCallback&,
+                    std::unique_ptr<Request>*));
+};
+
+// Helper class to pass the Request to the PathBuilder when it calls
+// AsyncGetIssuersOf. (GoogleMock has a ByMove helper, but it apparently can
+// only be used with Return, not SetArgPointee.)
+class CertIssuerSourceRequestMover {
+ public:
+  CertIssuerSourceRequestMover(std::unique_ptr<CertIssuerSource::Request> req);
+  ~CertIssuerSourceRequestMover();
+
+  void MoveIt(scoped_refptr<ParsedCertificate> cert,
+              const CertIssuerSource::IssuerCallback& issuers_callback,
+              std::unique_ptr<CertIssuerSource::Request>* out_req) {
+    *out_req = std::move(request_);
+  }
+
+ private:
+  std::unique_ptr<CertIssuerSource::Request> request_;
+};
+
+class MockIssuerCallback {
+ public:
+  MockIssuerCallback();
+  ~MockIssuerCallback();
+
+  MOCK_METHOD1(Callback, void(CertIssuerSource::Request*));
+};
+
+}  // namespace net
+
+#endif  // NET_CERT_INTERNAL_CERT_ISSUER_SOURCE_TEST_HELPERS_H_