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 "base/fuchsia/system_info.h"
6 #include "base/functional/callback_forward.h"
7
8 #include <fidl/fuchsia.buildinfo/cpp/fidl.h>
9 #include <fidl/fuchsia.hwinfo/cpp/fidl.h>
10 #include <lib/async/default.h>
11 #include <lib/fidl/cpp/wire/connect_service.h>
12
13 #include <memory>
14 #include <string>
15
16 #include "base/fuchsia/scoped_service_binding.h"
17 #include "base/fuchsia/test_component_context_for_process.h"
18 #include "base/functional/bind.h"
19 #include "base/location.h"
20 #include "base/run_loop.h"
21 #include "base/strings/string_piece.h"
22 #include "base/test/bind.h"
23 #include "base/test/gtest_util.h"
24 #include "base/test/task_environment.h"
25 #include "base/test/test_future.h"
26 #include "base/threading/sequence_bound.h"
27 #include "base/threading/thread.h"
28 #include "testing/gtest/include/gtest/gtest.h"
29
30 namespace base {
31
32 namespace {
33
34 class FakeHardwareInfoProduct : public fidl::Server<fuchsia_hwinfo::Product> {
35 public:
FakeHardwareInfoProduct(const base::StringPiece model,const base::StringPiece manufacturer,sys::OutgoingDirectory * outgoing_services)36 FakeHardwareInfoProduct(const base::StringPiece model,
37 const base::StringPiece manufacturer,
38 sys::OutgoingDirectory* outgoing_services)
39 : model_(model),
40 manufacturer_(manufacturer),
41 binding_(outgoing_services, this) {}
42 FakeHardwareInfoProduct(const FakeHardwareInfoProduct&) = delete;
43 FakeHardwareInfoProduct& operator=(const FakeHardwareInfoProduct&) = delete;
44 ~FakeHardwareInfoProduct() override = default;
45
GetInfo(GetInfoCompleter::Sync & completer)46 void GetInfo(GetInfoCompleter::Sync& completer) override {
47 completer.Reply(fuchsia_hwinfo::ProductInfo{{
48 .model = model_,
49 .manufacturer = manufacturer_,
50 }});
51 }
52
53 private:
54 std::string model_;
55 std::string manufacturer_;
56 ScopedNaturalServiceBinding<fuchsia_hwinfo::Product> binding_;
57 };
58
59 } // namespace
60
61 // Uses a fake "fuchsia.hwinfo.Product" implementation.
62 // clears the cached ProductInfo to ensure that each test starts with no cached
63 // ProductInfo and that subsequent tests runs do not use fake values.
64 class ProductInfoTest : public testing::Test {
65 protected:
ProductInfoTest()66 ProductInfoTest()
67 : task_environment_(
68 base::test::SingleThreadTaskEnvironment::MainThreadType::IO),
69 thread_("ProductInfo Retrieval Thread") {
70 thread_.StartWithOptions(
71 base::Thread::Options(base::MessagePumpType::IO, 0));
72 ClearCachedSystemInfoForTesting();
73 component_context_.AddService(
74 fidl::DiscoverableProtocolName<fuchsia_buildinfo::Provider>);
75 }
~ProductInfoTest()76 ~ProductInfoTest() override { ClearCachedSystemInfoForTesting(); }
77
78 // Fetch the product info in a separate thread, while servicing the
79 // FIDL fake implementation on the main thread.
GetProductInfoViaTask()80 fuchsia_hwinfo::ProductInfo GetProductInfoViaTask() {
81 fuchsia_hwinfo::ProductInfo product_info;
82 base::RunLoop run_loop;
83 thread_.task_runner()->PostTaskAndReplyWithResult(
84 FROM_HERE, base::BindOnce(&GetProductInfo),
85 base::BindOnce(
86 [](base::RunLoop& run_loop,
87 fuchsia_hwinfo::ProductInfo& product_info,
88 fuchsia_hwinfo::ProductInfo result) {
89 product_info = std::move(result);
90 run_loop.Quit();
91 },
92 std::ref(run_loop), std::ref(product_info)));
93 run_loop.Run();
94 return product_info;
95 }
96
97 base::test::SingleThreadTaskEnvironment task_environment_;
98 TestComponentContextForProcess component_context_;
99 base::Thread thread_;
100 };
101
102 using ProductInfoDeathTest = ProductInfoTest;
103
TEST_F(ProductInfoTest,GetProductInfoReturnsFakedValues)104 TEST_F(ProductInfoTest, GetProductInfoReturnsFakedValues) {
105 FakeHardwareInfoProduct hwinfo_product_provider(
106 "test.model", "test.manufacturer",
107 component_context_.additional_services());
108
109 const auto product_info = GetProductInfoViaTask();
110 EXPECT_EQ(product_info.model().value(), "test.model");
111 EXPECT_EQ(product_info.manufacturer().value(), "test.manufacturer");
112 }
113
TEST_F(ProductInfoTest,SystemServiceReturnsValidValues)114 TEST_F(ProductInfoTest, SystemServiceReturnsValidValues) {
115 component_context_.AddService(
116 fidl::DiscoverableProtocolName<fuchsia_hwinfo::Product>);
117
118 const auto product_info = GetProductInfoViaTask();
119 EXPECT_TRUE(product_info.model().has_value());
120 EXPECT_FALSE(product_info.model()->empty());
121
122 EXPECT_TRUE(product_info.manufacturer().has_value());
123 EXPECT_FALSE(product_info.manufacturer()->empty());
124 }
125
126 // TODO(crbug.com/101396): Re-enable once all clients
127 // provide this service.
TEST_F(ProductInfoDeathTest,DISABLED_DcheckOnServiceNotPresent)128 TEST_F(ProductInfoDeathTest, DISABLED_DcheckOnServiceNotPresent) {
129 EXPECT_DCHECK_DEATH_WITH(GetProductInfoViaTask(), "ZX_ERR_PEER_CLOSED");
130 }
131
132 } // namespace base
133