-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathGraphInvalidationTests.cpp
More file actions
250 lines (202 loc) · 7.06 KB
/
Copy pathGraphInvalidationTests.cpp
File metadata and controls
250 lines (202 loc) · 7.06 KB
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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
#include <vix/engine/BuildGraph.hpp>
#include <cassert>
#include <chrono>
#include <filesystem>
#include <fstream>
#include <iostream>
namespace fs = std::filesystem;
namespace engine = vix::engine;
namespace watch = vix::engine::watch;
namespace
{
struct TempDir
{
fs::path path;
TempDir()
{
path = fs::temp_directory_path() /
("vix-engine-graph-invalidation-tests-" +
std::to_string(
std::chrono::steady_clock::now().time_since_epoch().count()));
fs::create_directories(path);
}
~TempDir()
{
std::error_code ec;
fs::remove_all(path, ec);
}
};
static void write_file(const fs::path &path, const std::string &content)
{
fs::create_directories(path.parent_path());
std::ofstream out(path, std::ios::binary);
out << content;
}
static engine::BuildGraph make_graph(const fs::path &root)
{
engine::BuildGraphConfig config;
config.projectDir = root;
config.buildDir = root / "build-ninja";
config.objectDir = config.buildDir / ".vix" / "obj";
config.compiler = "c++";
engine::BuildGraph graph(config);
const fs::path source = root / "src" / "main.cpp";
const fs::path header = root / "include" / "app.hpp";
const fs::path object = config.objectDir / "main.o";
write_file(source, "#include \"app.hpp\"\nint main(){return value();}\n");
write_file(header, "#pragma once\ninline int value(){return 0;}\n");
engine::BuildNode sourceNode =
engine::make_file_build_node(engine::BuildNodeKind::Source, source);
engine::BuildNode headerNode =
engine::make_file_build_node(engine::BuildNodeKind::Header, header);
engine::BuildNode objectNode =
engine::make_file_build_node(engine::BuildNodeKind::Object, object);
sourceNode.mark_clean();
headerNode.mark_clean();
objectNode.mark_clean();
sourceNode.hash = "source-old";
headerNode.hash = "header-old";
objectNode.hash = "object-old";
objectNode.add_dependency(sourceNode.id);
objectNode.add_dependency(headerNode.id);
graph.add_node(sourceNode);
graph.add_node(headerNode);
graph.add_node(objectNode);
engine::BuildTask task =
engine::make_compile_task(
sourceNode.id,
objectNode.id,
{"c++", "-c", source.string(), "-o", object.string()},
root);
task.id = "compile:main";
task.add_input(headerNode.id);
task.state = engine::BuildTaskState::Done;
graph.add_task(task);
return graph;
}
static void known_source_marks_dirty_task()
{
TempDir tmp;
engine::BuildGraph graph = make_graph(tmp.path);
const fs::path source = tmp.path / "src" / "main.cpp";
write_file(source, "int main(){return 1;}\n");
watch::Event event;
event.kind = watch::EventKind::Modified;
event.path = source;
const auto result = graph.invalidate_paths({event});
assert(result.relevant);
assert(!result.structuralChange);
assert(result.changedNodes == 1);
assert(result.affectedTasks == 1);
assert(result.dirtyTaskIds.size() == 1);
assert(result.dirtyTaskIds[0] == "compile:main");
const engine::BuildTask *task = graph.find_task("compile:main");
assert(task);
assert(task->state == engine::BuildTaskState::Pending);
}
static void known_header_propagates_to_compile_task()
{
TempDir tmp;
engine::BuildGraph graph = make_graph(tmp.path);
const fs::path header = tmp.path / "include" / "app.hpp";
write_file(header, "#pragma once\ninline int value(){return 2;}\n");
watch::Event event;
event.kind = watch::EventKind::Modified;
event.path = header;
const auto result = graph.invalidate_paths({event});
assert(result.relevant);
assert(!result.structuralChange);
assert(result.affectedTasks == 1);
}
static void removed_source_is_structural_and_dirty()
{
TempDir tmp;
engine::BuildGraph graph = make_graph(tmp.path);
const fs::path source = tmp.path / "src" / "main.cpp";
fs::remove(source);
watch::Event event;
event.kind = watch::EventKind::Removed;
event.path = source;
const auto result = graph.invalidate_paths({event});
assert(result.relevant);
assert(result.changedNodes == 1);
assert(result.affectedTasks == 1);
}
static void unknown_source_is_structural()
{
TempDir tmp;
engine::BuildGraph graph = make_graph(tmp.path);
const fs::path source = tmp.path / "src" / "extra.cpp";
write_file(source, "int extra(){return 0;}\n");
watch::Event event;
event.kind = watch::EventKind::Added;
event.path = source;
const auto result = graph.invalidate_paths({event});
assert(result.relevant);
assert(result.structuralChange);
assert(!result.unknownPaths.empty());
}
static void unknown_unrelated_file_is_ignored()
{
TempDir tmp;
engine::BuildGraph graph = make_graph(tmp.path);
const fs::path file = tmp.path / "README.md";
write_file(file, "docs\n");
watch::Event event;
event.kind = watch::EventKind::Modified;
event.path = file;
const auto result = graph.invalidate_paths({event});
assert(!result.relevant);
assert(!result.structuralChange);
assert(result.affectedTasks == 0);
}
static void unchanged_known_source_event_is_ignored()
{
TempDir tmp;
engine::BuildGraph graph = make_graph(tmp.path);
const fs::path source = tmp.path / "src" / "main.cpp";
watch::Event event;
event.kind = watch::EventKind::Modified;
event.path = source;
const auto first = graph.invalidate_paths({event});
assert(first.relevant);
assert(first.changedNodes == 1);
const std::string sourceId =
engine::make_build_node_id(engine::BuildNodeKind::Source, source);
const std::string headerId =
engine::make_build_node_id(
engine::BuildNodeKind::Header,
tmp.path / "include" / "app.hpp");
const std::string objectId =
engine::make_build_node_id(
engine::BuildNodeKind::Object,
tmp.path / "build-ninja" / ".vix" / "obj" / "main.o");
if (engine::BuildNode *node = graph.find_node(sourceId))
node->mark_clean();
if (engine::BuildNode *node = graph.find_node(headerId))
node->mark_clean();
if (engine::BuildNode *node = graph.find_node(objectId))
node->mark_clean();
if (engine::BuildTask *task = graph.find_task("compile:main"))
task->state = engine::BuildTaskState::Done;
const auto second = graph.invalidate_paths({event});
assert(!second.relevant);
assert(!second.structuralChange);
assert(second.changedNodes == 0);
assert(second.affectedTasks == 0);
const engine::BuildTask *task = graph.find_task("compile:main");
assert(task);
assert(task->state == engine::BuildTaskState::Done);
}
}
int main()
{
known_source_marks_dirty_task();
known_header_propagates_to_compile_task();
removed_source_is_structural_and_dirty();
unknown_source_is_structural();
unknown_unrelated_file_is_ignored();
unchanged_known_source_event_is_ignored();
std::cout << "GraphInvalidationTests passed\n";
return 0;
}