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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
4 | #include "test/librbd/test_mock_fixture.h" | |
5 | #include "test/librbd/test_support.h" | |
6 | #include "test/librbd/mock/MockImageCtx.h" | |
7 | #include "test/librados_test_stub/MockTestMemIoCtxImpl.h" | |
8 | #include "common/bit_vector.hpp" | |
9 | #include "librbd/internal.h" | |
10 | #include "librbd/ObjectMap.h" | |
11 | #include "librbd/operation/ResizeRequest.h" | |
12 | #include "librbd/operation/TrimRequest.h" | |
13 | #include "gmock/gmock.h" | |
14 | #include "gtest/gtest.h" | |
15 | ||
16 | namespace librbd { | |
17 | namespace operation { | |
18 | ||
19 | template <> | |
20 | class TrimRequest<MockImageCtx> { | |
21 | public: | |
22 | static TrimRequest *s_instance; | |
23 | static TrimRequest *create(MockImageCtx &image_ctx, Context *on_finish, | |
24 | uint64_t original_size, uint64_t new_size, | |
25 | ProgressContext &prog_ctx) { | |
26 | assert(s_instance != nullptr); | |
27 | s_instance->on_finish = on_finish; | |
28 | return s_instance; | |
29 | } | |
30 | ||
31 | Context *on_finish = nullptr; | |
32 | ||
33 | TrimRequest() { | |
34 | s_instance = this; | |
35 | } | |
36 | ||
37 | MOCK_METHOD0(send, void()); | |
38 | }; | |
39 | ||
40 | TrimRequest<MockImageCtx> *TrimRequest<MockImageCtx>::s_instance = nullptr; | |
41 | ||
42 | } // namespace operation | |
43 | } // namespace librbd | |
44 | ||
45 | // template definitions | |
46 | #include "librbd/operation/ResizeRequest.cc" | |
47 | #include "librbd/operation/TrimRequest.cc" | |
48 | ||
49 | namespace librbd { | |
50 | namespace operation { | |
51 | ||
52 | using ::testing::_; | |
53 | using ::testing::DoAll; | |
54 | using ::testing::InSequence; | |
55 | using ::testing::Return; | |
56 | using ::testing::StrEq; | |
57 | using ::testing::WithArg; | |
58 | ||
59 | class TestMockOperationResizeRequest : public TestMockFixture { | |
60 | public: | |
61 | typedef ResizeRequest<MockImageCtx> MockResizeRequest; | |
62 | typedef TrimRequest<MockImageCtx> MockTrimRequest; | |
63 | ||
64 | void expect_block_writes(MockImageCtx &mock_image_ctx, int r) { | |
65 | EXPECT_CALL(*mock_image_ctx.io_work_queue, block_writes(_)) | |
66 | .WillOnce(CompleteContext(r, mock_image_ctx.image_ctx->op_work_queue)); | |
67 | } | |
68 | ||
69 | void expect_unblock_writes(MockImageCtx &mock_image_ctx) { | |
70 | EXPECT_CALL(*mock_image_ctx.io_work_queue, unblock_writes()) | |
71 | .Times(1); | |
72 | } | |
73 | ||
74 | void expect_is_lock_owner(MockImageCtx &mock_image_ctx) { | |
75 | if (mock_image_ctx.exclusive_lock != nullptr) { | |
76 | EXPECT_CALL(*mock_image_ctx.exclusive_lock, is_lock_owner()) | |
77 | .WillOnce(Return(true)); | |
78 | } | |
79 | } | |
80 | ||
81 | void expect_grow_object_map(MockImageCtx &mock_image_ctx) { | |
82 | if (mock_image_ctx.object_map != nullptr) { | |
83 | expect_is_lock_owner(mock_image_ctx); | |
84 | EXPECT_CALL(*mock_image_ctx.object_map, aio_resize(_, _, _)) | |
85 | .WillOnce(WithArg<2>(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue))); | |
86 | } | |
87 | } | |
88 | ||
89 | void expect_shrink_object_map(MockImageCtx &mock_image_ctx) { | |
90 | if (mock_image_ctx.object_map != nullptr) { | |
91 | expect_is_lock_owner(mock_image_ctx); | |
92 | EXPECT_CALL(*mock_image_ctx.object_map, aio_resize(_, _, _)) | |
93 | .WillOnce(WithArg<2>(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue))); | |
94 | } | |
95 | } | |
96 | ||
97 | void expect_update_header(MockImageCtx &mock_image_ctx, int r) { | |
98 | if (mock_image_ctx.old_format) { | |
99 | EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx), | |
100 | write(mock_image_ctx.header_oid, _, _, _, _)) | |
101 | .WillOnce(Return(r)); | |
102 | } else { | |
103 | expect_is_lock_owner(mock_image_ctx); | |
104 | EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx), | |
105 | exec(mock_image_ctx.header_oid, _, StrEq("rbd"), StrEq("set_size"), _, _, _)) | |
106 | .WillOnce(Return(r)); | |
107 | } | |
108 | } | |
109 | ||
110 | void expect_trim(MockImageCtx &mock_image_ctx, | |
111 | MockTrimRequest &mock_trim_request, int r) { | |
112 | EXPECT_CALL(mock_trim_request, send()) | |
113 | .WillOnce(FinishRequest(&mock_trim_request, r, &mock_image_ctx)); | |
114 | } | |
115 | ||
116 | void expect_flush_cache(MockImageCtx &mock_image_ctx, int r) { | |
117 | EXPECT_CALL(mock_image_ctx, flush_cache(_)) | |
118 | .WillOnce(CompleteContext(r, static_cast<ContextWQ*>(NULL))); | |
119 | expect_op_work_queue(mock_image_ctx); | |
120 | } | |
121 | ||
122 | void expect_invalidate_cache(MockImageCtx &mock_image_ctx, int r) { | |
123 | EXPECT_CALL(mock_image_ctx, invalidate_cache(false, _)) | |
124 | .WillOnce(WithArg<1>(CompleteContext(r, static_cast<ContextWQ*>(NULL)))); | |
125 | expect_op_work_queue(mock_image_ctx); | |
126 | } | |
127 | ||
128 | void expect_resize_object_map(MockImageCtx &mock_image_ctx, | |
129 | uint64_t new_size) { | |
130 | EXPECT_CALL(*mock_image_ctx.object_map, aio_resize(new_size, _, _)) | |
131 | .WillOnce(WithArg<2>(CompleteContext(0, mock_image_ctx.image_ctx->op_work_queue))); | |
132 | } | |
133 | ||
134 | int when_resize(MockImageCtx &mock_image_ctx, uint64_t new_size, | |
135 | bool allow_shrink, uint64_t journal_op_tid, | |
136 | bool disable_journal) { | |
137 | C_SaferCond cond_ctx; | |
138 | librbd::NoOpProgressContext prog_ctx; | |
139 | MockResizeRequest *req = new MockResizeRequest( | |
140 | mock_image_ctx, &cond_ctx, new_size, allow_shrink, prog_ctx, | |
141 | journal_op_tid, disable_journal); | |
142 | { | |
143 | RWLock::RLocker owner_locker(mock_image_ctx.owner_lock); | |
144 | req->send(); | |
145 | } | |
146 | return cond_ctx.wait(); | |
147 | } | |
148 | }; | |
149 | ||
150 | TEST_F(TestMockOperationResizeRequest, NoOpSuccess) { | |
151 | librbd::ImageCtx *ictx; | |
152 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
153 | ||
154 | MockImageCtx mock_image_ctx(*ictx); | |
155 | MockExclusiveLock mock_exclusive_lock; | |
156 | MockJournal mock_journal; | |
157 | MockObjectMap mock_object_map; | |
158 | initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal, | |
159 | mock_object_map); | |
160 | ||
161 | InSequence seq; | |
162 | expect_block_writes(mock_image_ctx, 0); | |
163 | expect_append_op_event(mock_image_ctx, true, 0); | |
164 | expect_unblock_writes(mock_image_ctx); | |
165 | expect_commit_op_event(mock_image_ctx, 0); | |
166 | ASSERT_EQ(0, when_resize(mock_image_ctx, ictx->size, true, 0, false)); | |
167 | } | |
168 | ||
169 | TEST_F(TestMockOperationResizeRequest, GrowSuccess) { | |
170 | librbd::ImageCtx *ictx; | |
171 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
172 | ||
173 | MockImageCtx mock_image_ctx(*ictx); | |
174 | MockExclusiveLock mock_exclusive_lock; | |
175 | MockJournal mock_journal; | |
176 | MockObjectMap mock_object_map; | |
177 | initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal, | |
178 | mock_object_map); | |
179 | ||
180 | InSequence seq; | |
181 | expect_block_writes(mock_image_ctx, 0); | |
182 | expect_append_op_event(mock_image_ctx, true, 0); | |
183 | expect_unblock_writes(mock_image_ctx); | |
184 | expect_grow_object_map(mock_image_ctx); | |
185 | expect_block_writes(mock_image_ctx, 0); | |
186 | expect_update_header(mock_image_ctx, 0); | |
187 | expect_unblock_writes(mock_image_ctx); | |
188 | expect_commit_op_event(mock_image_ctx, 0); | |
189 | ASSERT_EQ(0, when_resize(mock_image_ctx, ictx->size * 2, true, 0, false)); | |
190 | } | |
191 | ||
192 | TEST_F(TestMockOperationResizeRequest, ShrinkSuccess) { | |
193 | librbd::ImageCtx *ictx; | |
194 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
195 | ||
196 | MockImageCtx mock_image_ctx(*ictx); | |
197 | MockExclusiveLock mock_exclusive_lock; | |
198 | MockJournal mock_journal; | |
199 | MockObjectMap mock_object_map; | |
200 | initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal, | |
201 | mock_object_map); | |
202 | ||
203 | InSequence seq; | |
204 | expect_block_writes(mock_image_ctx, 0); | |
205 | expect_append_op_event(mock_image_ctx, true, 0); | |
206 | expect_unblock_writes(mock_image_ctx); | |
207 | ||
208 | MockTrimRequest mock_trim_request; | |
209 | expect_flush_cache(mock_image_ctx, 0); | |
210 | expect_invalidate_cache(mock_image_ctx, 0); | |
211 | expect_trim(mock_image_ctx, mock_trim_request, 0); | |
212 | expect_block_writes(mock_image_ctx, 0); | |
213 | expect_update_header(mock_image_ctx, 0); | |
214 | expect_shrink_object_map(mock_image_ctx); | |
215 | expect_unblock_writes(mock_image_ctx); | |
216 | expect_commit_op_event(mock_image_ctx, 0); | |
217 | ASSERT_EQ(0, when_resize(mock_image_ctx, ictx->size / 2, true, 0, false)); | |
218 | } | |
219 | ||
220 | TEST_F(TestMockOperationResizeRequest, ShrinkError) { | |
221 | librbd::ImageCtx *ictx; | |
222 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
223 | ||
224 | MockImageCtx mock_image_ctx(*ictx); | |
225 | MockExclusiveLock mock_exclusive_lock; | |
226 | MockJournal mock_journal; | |
227 | MockObjectMap mock_object_map; | |
228 | initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal, | |
229 | mock_object_map); | |
230 | ||
231 | InSequence seq; | |
232 | expect_block_writes(mock_image_ctx, -EINVAL); | |
233 | expect_unblock_writes(mock_image_ctx); | |
234 | ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, false, 0, false)); | |
235 | } | |
236 | ||
237 | TEST_F(TestMockOperationResizeRequest, PreBlockWritesError) { | |
238 | librbd::ImageCtx *ictx; | |
239 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
240 | ||
241 | MockImageCtx mock_image_ctx(*ictx); | |
242 | MockExclusiveLock mock_exclusive_lock; | |
243 | MockJournal mock_journal; | |
244 | MockObjectMap mock_object_map; | |
245 | initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal, | |
246 | mock_object_map); | |
247 | ||
248 | InSequence seq; | |
249 | expect_block_writes(mock_image_ctx, -EINVAL); | |
250 | expect_unblock_writes(mock_image_ctx); | |
251 | ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size, true, 0, false)); | |
252 | } | |
253 | ||
254 | TEST_F(TestMockOperationResizeRequest, TrimError) { | |
255 | librbd::ImageCtx *ictx; | |
256 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
257 | ||
258 | MockImageCtx mock_image_ctx(*ictx); | |
259 | MockExclusiveLock mock_exclusive_lock; | |
260 | MockJournal mock_journal; | |
261 | MockObjectMap mock_object_map; | |
262 | initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal, | |
263 | mock_object_map); | |
264 | ||
265 | InSequence seq; | |
266 | expect_block_writes(mock_image_ctx, 0); | |
267 | expect_append_op_event(mock_image_ctx, true, 0); | |
268 | expect_unblock_writes(mock_image_ctx); | |
269 | ||
270 | MockTrimRequest mock_trim_request; | |
271 | expect_flush_cache(mock_image_ctx, 0); | |
272 | expect_invalidate_cache(mock_image_ctx, -EBUSY); | |
273 | expect_trim(mock_image_ctx, mock_trim_request, -EINVAL); | |
274 | expect_commit_op_event(mock_image_ctx, -EINVAL); | |
275 | ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, true, 0, false)); | |
276 | } | |
277 | ||
278 | TEST_F(TestMockOperationResizeRequest, FlushCacheError) { | |
279 | librbd::ImageCtx *ictx; | |
280 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
281 | ||
282 | MockImageCtx mock_image_ctx(*ictx); | |
283 | MockExclusiveLock mock_exclusive_lock; | |
284 | MockJournal mock_journal; | |
285 | MockObjectMap mock_object_map; | |
286 | initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal, | |
287 | mock_object_map); | |
288 | ||
289 | InSequence seq; | |
290 | expect_block_writes(mock_image_ctx, 0); | |
291 | expect_append_op_event(mock_image_ctx, true, 0); | |
292 | expect_unblock_writes(mock_image_ctx); | |
293 | ||
294 | MockTrimRequest mock_trim_request; | |
295 | expect_flush_cache(mock_image_ctx, -EINVAL); | |
296 | expect_commit_op_event(mock_image_ctx, -EINVAL); | |
297 | ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, true, 0, false)); | |
298 | } | |
299 | ||
300 | TEST_F(TestMockOperationResizeRequest, InvalidateCacheError) { | |
301 | librbd::ImageCtx *ictx; | |
302 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
303 | ||
304 | MockImageCtx mock_image_ctx(*ictx); | |
305 | MockExclusiveLock mock_exclusive_lock; | |
306 | MockJournal mock_journal; | |
307 | MockObjectMap mock_object_map; | |
308 | initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal, | |
309 | mock_object_map); | |
310 | ||
311 | InSequence seq; | |
312 | expect_block_writes(mock_image_ctx, 0); | |
313 | expect_append_op_event(mock_image_ctx, true, 0); | |
314 | expect_unblock_writes(mock_image_ctx); | |
315 | ||
316 | MockTrimRequest mock_trim_request; | |
317 | expect_flush_cache(mock_image_ctx, 0); | |
318 | expect_invalidate_cache(mock_image_ctx, -EINVAL); | |
319 | expect_commit_op_event(mock_image_ctx, -EINVAL); | |
320 | ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size / 2, true, 0, false)); | |
321 | } | |
322 | ||
323 | TEST_F(TestMockOperationResizeRequest, PostBlockWritesError) { | |
324 | librbd::ImageCtx *ictx; | |
325 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
326 | ||
327 | MockImageCtx mock_image_ctx(*ictx); | |
328 | MockExclusiveLock mock_exclusive_lock; | |
329 | MockJournal mock_journal; | |
330 | MockObjectMap mock_object_map; | |
331 | initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal, | |
332 | mock_object_map); | |
333 | ||
334 | InSequence seq; | |
335 | expect_block_writes(mock_image_ctx, 0); | |
336 | expect_append_op_event(mock_image_ctx, true, 0); | |
337 | expect_unblock_writes(mock_image_ctx); | |
338 | expect_grow_object_map(mock_image_ctx); | |
339 | expect_block_writes(mock_image_ctx, -EINVAL); | |
340 | expect_unblock_writes(mock_image_ctx); | |
341 | expect_commit_op_event(mock_image_ctx, -EINVAL); | |
342 | ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size * 2, true, 0, false)); | |
343 | } | |
344 | ||
345 | TEST_F(TestMockOperationResizeRequest, UpdateHeaderError) { | |
346 | librbd::ImageCtx *ictx; | |
347 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
348 | ||
349 | MockImageCtx mock_image_ctx(*ictx); | |
350 | MockExclusiveLock mock_exclusive_lock; | |
351 | MockJournal mock_journal; | |
352 | MockObjectMap mock_object_map; | |
353 | initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal, | |
354 | mock_object_map); | |
355 | ||
356 | InSequence seq; | |
357 | expect_block_writes(mock_image_ctx, 0); | |
358 | expect_append_op_event(mock_image_ctx, true, 0); | |
359 | expect_unblock_writes(mock_image_ctx); | |
360 | expect_grow_object_map(mock_image_ctx); | |
361 | expect_block_writes(mock_image_ctx, 0); | |
362 | expect_update_header(mock_image_ctx, -EINVAL); | |
363 | expect_unblock_writes(mock_image_ctx); | |
364 | expect_commit_op_event(mock_image_ctx, -EINVAL); | |
365 | ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size * 2, true, 0, false)); | |
366 | } | |
367 | ||
368 | TEST_F(TestMockOperationResizeRequest, JournalAppendError) { | |
369 | REQUIRE_FEATURE(RBD_FEATURE_JOURNALING); | |
370 | ||
371 | librbd::ImageCtx *ictx; | |
372 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
373 | ||
374 | MockImageCtx mock_image_ctx(*ictx); | |
375 | MockExclusiveLock mock_exclusive_lock; | |
376 | MockJournal mock_journal; | |
377 | MockObjectMap mock_object_map; | |
378 | initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal, | |
379 | mock_object_map); | |
380 | ||
381 | InSequence seq; | |
382 | expect_block_writes(mock_image_ctx, 0); | |
383 | expect_append_op_event(mock_image_ctx, true, -EINVAL); | |
384 | expect_unblock_writes(mock_image_ctx); | |
385 | ASSERT_EQ(-EINVAL, when_resize(mock_image_ctx, ictx->size, true, 0, false)); | |
386 | } | |
387 | ||
388 | TEST_F(TestMockOperationResizeRequest, JournalDisabled) { | |
389 | librbd::ImageCtx *ictx; | |
390 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
391 | ||
392 | MockImageCtx mock_image_ctx(*ictx); | |
393 | MockExclusiveLock mock_exclusive_lock; | |
394 | MockJournal mock_journal; | |
395 | MockObjectMap mock_object_map; | |
396 | initialize_features(ictx, mock_image_ctx, mock_exclusive_lock, mock_journal, | |
397 | mock_object_map); | |
398 | ||
399 | InSequence seq; | |
400 | expect_block_writes(mock_image_ctx, 0); | |
401 | expect_unblock_writes(mock_image_ctx); | |
402 | ASSERT_EQ(0, when_resize(mock_image_ctx, ictx->size, true, 0, true)); | |
403 | } | |
404 | ||
405 | } // namespace operation | |
406 | } // namespace librbd |