Merge "Create test FileSystems in a platform-specific manner"

libwvdrmengine/cdm/core/test/cdm_engine_metrics_decorator_unittest.cpp

@@ -13,6 +13,7 @@
 
 #include "cdm_client_property_set.h"
 #include "cdm_engine.h"
+#include "create_test_file_system.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 #include "wv_cdm_event_listener.h"
@@ -115,7 +116,7 @@ class MockCdmEngineImpl : public CdmEngine {
 class WvCdmEngineMetricsImplTest : public ::testing::Test {
  public:
   void SetUp() override {
-    file_system_.reset(new wvutil::FileSystem);
+    file_system_.reset(CreateTestFileSystem());
     std::shared_ptr<EngineMetrics> engine_metrics(new EngineMetrics);
     test_cdm_metrics_engine_.reset(
         new CdmEngineMetricsImpl<StrictMock<MockCdmEngineImpl>>(

libwvdrmengine/cdm/core/test/create_test_file_system.h

@@ -0,0 +1,15 @@
+// Copyright 2022 Google LLC. All Rights Reserved. This file and proprietary
+// source code may only be used and distributed under the Widevine License
+// Agreement.
+
+#ifndef CDM_TEST_CREATE_TEST_FILE_SYSTEM_H_
+#define CDM_TEST_CREATE_TEST_FILE_SYSTEM_H_
+
+#include "file_store.h"
+
+// Create a new FileSystem object that is suitable for using to create a new
+// CdmEngine object. How this is implemented is platform-specific. The caller
+// owns the returned pointer and is responsible for deleting it.
+wvutil::FileSystem* CreateTestFileSystem();
+
+#endif  // CDM_TEST_CREATE_TEST_FILE_SYSTEM_H_

libwvdrmengine/cdm/core/test/keybox_ota_test.cpp

@@ -4,8 +4,10 @@
 
 #include <gtest/gtest.h>
 #include <chrono>
+#include <memory>
 #include <thread>
 
+#include "create_test_file_system.h"
 #include "crypto_session.h"
 #include "properties.h"
 #include "test_base.h"
@@ -95,8 +97,8 @@ TEST_F(CdmOtaKeyboxTest, TestThatTheBuildFilesWork) { ASSERT_TRUE(true); }
  * should be skipped.
  */
 TEST_F(CdmOtaKeyboxTest, BasicTest) {
-  wvutil::FileSystem file_system;
-  TestCdmEngine cdm_engine(&file_system,
+  std::unique_ptr<wvutil::FileSystem> file_system(CreateTestFileSystem());
+  TestCdmEngine cdm_engine(file_system.get(),
                            std::shared_ptr<EngineMetrics>(new EngineMetrics));
   // Remove any existing certificate.
   cdm_engine.Unprovision(kSecurityLevelL1);

libwvdrmengine/cdm/core/test/reboot_test.cpp

@@ -10,6 +10,7 @@
 
 #include <sstream>
 
+#include "create_test_file_system.h"
 #include "license_holder.h"
 #include "log.h"
 #include "test_sleep.h"
@@ -201,7 +202,7 @@ bool RebootTest::ParseDump(const std::string& dump,
 
 void RebootTest::SetUp() {
   WvCdmTestBase::SetUp();
-  if (!file_system_) file_system_ = new FileSystem();
+  if (!file_system_) file_system_ = CreateTestFileSystem();
 
   const ::testing::TestInfo* const test_info =
       ::testing::UnitTest::GetInstance()->current_test_info();

libwvdrmengine/cdm/core/test/test_base.cpp

@@ -324,12 +324,12 @@ void WvCdmTestBase::Provision() {
   std::string cert, wrapped_key;
 
   CdmSessionId session_id;
-  wvutil::FileSystem file_system;
+  std::unique_ptr<wvutil::FileSystem> file_system(CreateTestFileSystem());
 
   if (config_.provisioning_server() == "fake") {
     LOGD("Using fake provisioning server.");
 
-    TestCdmEngine cdm_engine(&file_system,
+    TestCdmEngine cdm_engine(file_system.get(),
                              std::shared_ptr<EngineMetrics>(new EngineMetrics));
     FakeProvisioningServer server;
     CdmResponseType result = cdm_engine.GetProvisioningRequest(
@@ -349,7 +349,7 @@ void WvCdmTestBase::Provision() {
     EXPECT_EQ(NO_ERROR, result);
   } else {
     // TODO(fredgc): provision for different SPOIDs.
-    TestCdmEngine cdm_engine(&file_system,
+    TestCdmEngine cdm_engine(file_system.get(),
                              std::shared_ptr<EngineMetrics>(new EngineMetrics));
 
     CdmResponseType result = cdm_engine.GetProvisioningRequest(
@@ -424,11 +424,11 @@ void WvCdmTestBase::Provision() {
 // that certificate from the provisioning request.
 void WvCdmTestBase::EnsureProvisioned() {
   CdmSessionId session_id;
-  wvutil::FileSystem file_system;
+  std::unique_ptr<wvutil::FileSystem> file_system(CreateTestFileSystem());
   // OpenSession will check if a DRM certificate exists, while
   // GenerateKeyRequest will actually load the wrapped private key.
   // Either may return a NEED_PROVISIONING error, so both have to be checked.
-  TestCdmEngine cdm_engine(&file_system,
+  TestCdmEngine cdm_engine(file_system.get(),
                            std::shared_ptr<EngineMetrics>(new EngineMetrics));
   CdmResponseType status = cdm_engine.OpenSession(config_.key_system(), nullptr,
                                                   nullptr, &session_id);

libwvdrmengine/cdm/core/test/test_base.h

@@ -13,6 +13,7 @@
 
 #include "cdm_engine.h"
 #include "config_test_env.h"
+#include "create_test_file_system.h"
 #include "crypto_session.h"
 #include "metrics_collections.h"
 #include "oemcrypto_types.h"
@@ -92,11 +93,12 @@ class TestCdmEngine : public CdmEngine {
 class WvCdmTestBaseWithEngine : public WvCdmTestBase {
  public:
   WvCdmTestBaseWithEngine()
-      : dummy_engine_metrics_(new metrics::EngineMetrics()),
-        cdm_engine_(&file_system_, dummy_engine_metrics_) {}
+      : file_system_(CreateTestFileSystem()),
+        dummy_engine_metrics_(new metrics::EngineMetrics()),
+        cdm_engine_(file_system_.get(), dummy_engine_metrics_) {}
 
  protected:
-  wvutil::FileSystem file_system_;
+  std::unique_ptr<wvutil::FileSystem> file_system_;
   std::shared_ptr<metrics::EngineMetrics> dummy_engine_metrics_;
   TestCdmEngine cdm_engine_;
 };

libwvdrmengine/cdm/test/coverage-test.mk

@@ -19,6 +19,7 @@ LOCAL_MODULE_TAGS := tests
 
 LOCAL_SRC_FILES := \
   ./cdm_coverage_main.cpp \
+  ./create_test_file_system.cpp \
   ../core/test/buffer_reader_test.cpp \
   ../core/test/config_test_env.cpp \
   ../core/test/device_files_unittest.cpp \

libwvdrmengine/cdm/test/create_test_file_system.cpp

@@ -0,0 +1,7 @@
+// Copyright 2022 Google LLC. All Rights Reserved. This file and proprietary
+// source code may only be used and distributed under the Widevine License
+// Agreement.
+
+#include "create_test_file_system.h"
+
+wvutil::FileSystem* CreateTestFileSystem() { return new wvutil::FileSystem(); }

libwvdrmengine/cdm/test/integration-test.mk

@@ -23,6 +23,7 @@ LOCAL_MODULE_TAGS := tests
 LOCAL_SRC_FILES := \
     $(test_main) \
     $(test_src_dir)/$(test_name).cpp \
+    ./create_test_file_system.cpp \
     ../core/test/config_test_env.cpp \
     ../core/test/fake_provisioning_server.cpp \
     ../core/test/http_socket.cpp \

libwvdrmengine/cdm/test/unit-test.mk

@@ -22,6 +22,7 @@ LOCAL_MODULE_TAGS := tests
 
 LOCAL_SRC_FILES := \
     $(test_src_dir)/$(test_name).cpp \
+    ./create_test_file_system.cpp \
     ../core/test/config_test_env.cpp \
     ../core/test/fake_provisioning_server.cpp \
     ../core/test/http_socket.cpp \