1 // Copyright 2022 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include <fidl/fuchsia.buildinfo/cpp/fidl.h>
6 #include <fidl/fuchsia.hwinfo/cpp/fidl.h>
7 #include <lib/async/default.h>
8 #include <lib/fidl/cpp/wire/connect_service.h>
9
10 #include <memory>
11 #include <string>
12 #include <string_view>
13
14 #include "base/fuchsia/scoped_service_binding.h"
15 #include "base/fuchsia/system_info.h"
16 #include "base/fuchsia/test_component_context_for_process.h"
17 #include "base/functional/bind.h"
18 #include "base/functional/callback_forward.h"
19 #include "base/location.h"
20 #include "base/run_loop.h"
21 #include "base/test/bind.h"
22 #include "base/test/gtest_util.h"
23 #include "base/test/task_environment.h"
24 #include "base/test/test_future.h"
25 #include "base/threading/sequence_bound.h"
26 #include "base/threading/thread.h"
27 #include "testing/gtest/include/gtest/gtest.h"
28
29 namespace base {
30
31 namespace {
32
33 class FakeHardwareInfoProduct : public fidl::Server<fuchsia_hwinfo::Product> {
34 public:
FakeHardwareInfoProduct(const std::string_view model,const std::string_view manufacturer,sys::OutgoingDirectory * outgoing_services)35 FakeHardwareInfoProduct(const std::string_view model,
36 const std::string_view manufacturer,
37 sys::OutgoingDirectory* outgoing_services)
38 : model_(model),
39 manufacturer_(manufacturer),
40 binding_(outgoing_services, this) {}
41 FakeHardwareInfoProduct(const FakeHardwareInfoProduct&) = delete;
42 FakeHardwareInfoProduct& operator=(const FakeHardwareInfoProduct&) = delete;
43 ~FakeHardwareInfoProduct() override = default;
44
GetInfo(GetInfoCompleter::Sync & completer)45 void GetInfo(GetInfoCompleter::Sync& completer) override {
46 completer.Reply(fuchsia_hwinfo::ProductInfo{{
47 .model = model_,
48 .manufacturer = manufacturer_,
49 }});
50 }
51
52 private:
53 std::string model_;
54 std::string manufacturer_;
55 ScopedNaturalServiceBinding<fuchsia_hwinfo::Product> binding_;
56 };
57
58 } // namespace
59
60 // Uses a fake "fuchsia.hwinfo.Product" implementation.
61 // clears the cached ProductInfo to ensure that each test starts with no cached
62 // ProductInfo and that subsequent tests runs do not use fake values.
63 class ProductInfoTest : public testing::Test {
64 protected:
ProductInfoTest()65 ProductInfoTest()
66 : task_environment_(
67 base::test::SingleThreadTaskEnvironment::MainThreadType::IO),
68 thread_("ProductInfo Retrieval Thread") {
69 thread_.StartWithOptions(
70 base::Thread::Options(base::MessagePumpType::IO, 0));
71 ClearCachedSystemInfoForTesting();
72 component_context_.AddService(
73 fidl::DiscoverableProtocolName<fuchsia_buildinfo::Provider>);
74 }
~ProductInfoTest()75 ~ProductInfoTest() override { ClearCachedSystemInfoForTesting(); }
76
77 // Fetch the product info in a separate thread, while servicing the
78 // FIDL fake implementation on the main thread.
GetProductInfoViaTask()79 fuchsia_hwinfo::ProductInfo GetProductInfoViaTask() {
80 fuchsia_hwinfo::ProductInfo product_info;
81 base::RunLoop run_loop;
82 thread_.task_runner()->PostTaskAndReplyWithResult(
83 FROM_HERE, base::BindOnce(&GetProductInfo),
84 base::BindOnce(
85 [](base::RunLoop& run_loop,
86 fuchsia_hwinfo::ProductInfo& product_info,
87 fuchsia_hwinfo::ProductInfo result) {
88 product_info = std::move(result);
89 run_loop.Quit();
90 },
91 std::ref(run_loop), std::ref(product_info)));
92 run_loop.Run();
93 return product_info;
94 }
95
96 base::test::SingleThreadTaskEnvironment task_environment_;
97 TestComponentContextForProcess component_context_;
98 base::Thread thread_;
99 };
100
101 using ProductInfoDeathTest = ProductInfoTest;
102
TEST_F(ProductInfoTest,GetProductInfoReturnsFakedValues)103 TEST_F(ProductInfoTest, GetProductInfoReturnsFakedValues) {
104 FakeHardwareInfoProduct hwinfo_product_provider(
105 "test.model", "test.manufacturer",
106 component_context_.additional_services());
107
108 const auto product_info = GetProductInfoViaTask();
109 EXPECT_EQ(product_info.model().value(), "test.model");
110 EXPECT_EQ(product_info.manufacturer().value(), "test.manufacturer");
111 }
112
TEST_F(ProductInfoTest,SystemServiceReturnsValidValues)113 TEST_F(ProductInfoTest, SystemServiceReturnsValidValues) {
114 component_context_.AddService(
115 fidl::DiscoverableProtocolName<fuchsia_hwinfo::Product>);
116
117 const auto product_info = GetProductInfoViaTask();
118 EXPECT_TRUE(product_info.model().has_value());
119 EXPECT_FALSE(product_info.model()->empty());
120
121 EXPECT_TRUE(product_info.manufacturer().has_value());
122 EXPECT_FALSE(product_info.manufacturer()->empty());
123 }
124
125 // TODO(crbug.com/101396): Re-enable once all clients
126 // provide this service.
TEST_F(ProductInfoDeathTest,DISABLED_DcheckOnServiceNotPresent)127 TEST_F(ProductInfoDeathTest, DISABLED_DcheckOnServiceNotPresent) {
128 EXPECT_DCHECK_DEATH_WITH(GetProductInfoViaTask(), "ZX_ERR_PEER_CLOSED");
129 }
130
131 } // namespace base
132