1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
fuchsia_web / common / test / test_realm_support.cc [blame]
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "fuchsia_web/common/test/test_realm_support.h"
#include <lib/sys/component/cpp/testing/realm_builder.h>
#include <string>
#include <string_view>
#include <utility>
#include "base/check.h"
#include "base/command_line.h"
#include "base/ranges/algorithm.h"
using ::component_testing::ChildRef;
using ::component_testing::Directory;
using ::component_testing::ParentRef;
using ::component_testing::Protocol;
using ::component_testing::RealmBuilder;
using ::component_testing::Route;
namespace test {
namespace {
void AppendCommandLineArgumentsToProgram(
fuchsia::component::decl::Program& program,
const base::CommandLine& command_line) {
// Find the "args" list in the program declaration.
fuchsia::data::DictionaryEntry* args_entry = nullptr;
auto* entries = program.mutable_info()->mutable_entries();
for (auto& entry : *entries) {
if (entry.key == "args") {
DCHECK(entry.value->is_str_vec());
args_entry = &entry;
break;
}
}
if (!args_entry) {
// Create a new "args" list and insert it at the proper location in the
// program's entries; entries' keys must be sorted as per
// https://fuchsia.dev/reference/fidl/fuchsia.data?hl=en#Dictionary.
auto lower_bound = base::ranges::lower_bound(
*entries, "args", /*comp=*/{},
[](const fuchsia::data::DictionaryEntry& entry) { return entry.key; });
auto it = entries->emplace(lower_bound);
it->key = "args";
it->value = fuchsia::data::DictionaryValue::New();
it->value->set_str_vec({});
args_entry = &*it;
}
// Append all args following the program name in `command_line` to the
// program's args.
args_entry->value->str_vec().insert(args_entry->value->str_vec().end(),
command_line.argv().begin() + 1,
command_line.argv().end());
}
} // namespace
void AppendCommandLineArguments(RealmBuilder& realm_builder,
std::string_view child_name,
const base::CommandLine& command_line) {
const std::string child_name_str(child_name);
auto child_component_decl = realm_builder.GetComponentDecl(child_name_str);
AppendCommandLineArgumentsToProgram(*child_component_decl.mutable_program(),
command_line);
realm_builder.ReplaceComponentDecl(child_name_str,
std::move(child_component_decl));
}
void AppendCommandLineArgumentsForRealm(
::component_testing::RealmBuilder& realm_builder,
const base::CommandLine& command_line) {
auto decl = realm_builder.GetRealmDecl();
AppendCommandLineArgumentsToProgram(*decl.mutable_program(), command_line);
realm_builder.ReplaceRealmDecl(std::move(decl));
}
void AddRouteFromParent(RealmBuilder& realm_builder,
std::string_view child_name,
std::string_view protocol_name) {
ChildRef child_ref{std::string_view(child_name.data(), child_name.size())};
realm_builder.AddRoute(Route{.capabilities = {Protocol{protocol_name}},
.source = ParentRef{},
.targets = {std::move(child_ref)}});
}
void AddSyslogRoutesFromParent(RealmBuilder& realm_builder,
std::string_view child_name) {
AddRouteFromParent(realm_builder, child_name, "fuchsia.logger.LogSink");
}
void AddVulkanRoutesFromParent(RealmBuilder& realm_builder,
std::string_view child_name) {
ChildRef child_ref{std::string_view(child_name.data(), child_name.size())};
realm_builder.AddRoute(
Route{.capabilities = {Protocol{"fuchsia.sysmem.Allocator"},
Protocol{"fuchsia.sysmem2.Allocator"},
Protocol{"fuchsia.tracing.provider.Registry"},
Protocol{"fuchsia.vulkan.loader.Loader"}},
.source = ParentRef{},
.targets = {std::move(child_ref)}});
}
void AddFontService(RealmBuilder& realm_builder, std::string_view child_name) {
static constexpr char kFontsService[] = "isolated_fonts";
static constexpr char kFontsUrl[] =
"fuchsia-pkg://fuchsia.com/fonts_hermetic_for_test"
"#meta/font_provider_hermetic_for_test.cm";
realm_builder.AddChild(kFontsService, kFontsUrl);
AddSyslogRoutesFromParent(realm_builder, kFontsService);
ChildRef child_ref{std::string_view(child_name.data(), child_name.size())};
realm_builder
.AddRoute(Route{.capabilities =
{
Protocol{"fuchsia.tracing.provider.Registry"},
},
.source = ParentRef{},
.targets = {ChildRef{kFontsService}}})
.AddRoute(Route{.capabilities = {Protocol{"fuchsia.fonts.Provider"}},
.source = ChildRef{kFontsService},
.targets = {std::move(child_ref)}});
}
void AddTestUiStack(RealmBuilder& realm_builder, std::string_view child_name) {
static constexpr char kTestUiStackService[] = "test_ui_stack";
static constexpr char kTestUiStackUrl[] =
"fuchsia-pkg://fuchsia.com/flatland-scene-manager-test-ui-stack#meta/"
"test-ui-stack.cm";
realm_builder.AddChild(kTestUiStackService, kTestUiStackUrl);
AddRouteFromParent(realm_builder, kTestUiStackService,
"fuchsia.scheduler.ProfileProvider");
AddSyslogRoutesFromParent(realm_builder, kTestUiStackService);
AddVulkanRoutesFromParent(realm_builder, kTestUiStackService);
ChildRef child_ref{std::string_view(child_name.data(), child_name.size())};
realm_builder
.AddRoute(
Route{.capabilities = {Protocol{"fuchsia.scheduler.ProfileProvider"}},
.source = ParentRef(),
.targets = {ChildRef{kTestUiStackService}}})
.AddRoute(Route{.capabilities =
{
Protocol{"fuchsia.ui.composition.Allocator"},
Protocol{"fuchsia.ui.composition.Flatland"},
},
.source = ChildRef{kTestUiStackService},
.targets = {std::move(child_ref)}});
}
} // namespace test