31532e284d4e6a07875c90f832fb59e775d99ee2
[Sone.git] / src / test / java / net / pterodactylus / sone / database / memory / MemoryDatabaseTest.java
1 /*
2  * Sone - MemoryDatabaseTest.java - Copyright © 2013–2016 David Roden
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
16  */
17
18 package net.pterodactylus.sone.database.memory;
19
20 import static com.google.common.base.Optional.of;
21 import static java.util.Arrays.asList;
22 import static java.util.UUID.randomUUID;
23 import static net.pterodactylus.sone.test.Matchers.isAlbum;
24 import static net.pterodactylus.sone.test.Matchers.isImage;
25 import static net.pterodactylus.sone.test.Matchers.isPost;
26 import static net.pterodactylus.sone.test.Matchers.isPostReply;
27 import static org.hamcrest.CoreMatchers.is;
28 import static org.hamcrest.MatcherAssert.assertThat;
29 import static org.hamcrest.Matchers.contains;
30 import static org.hamcrest.Matchers.containsInAnyOrder;
31 import static org.hamcrest.Matchers.empty;
32 import static org.hamcrest.Matchers.emptyIterable;
33 import static org.hamcrest.Matchers.equalTo;
34 import static org.hamcrest.Matchers.lessThan;
35 import static org.hamcrest.Matchers.nullValue;
36 import static org.mockito.ArgumentMatchers.anyString;
37 import static org.mockito.Mockito.mock;
38 import static org.mockito.Mockito.never;
39 import static org.mockito.Mockito.verify;
40 import static org.mockito.Mockito.when;
41
42 import java.util.Collection;
43 import java.util.HashMap;
44 import java.util.HashSet;
45 import java.util.List;
46 import java.util.Map;
47 import java.util.Set;
48
49 import net.pterodactylus.sone.data.Album;
50 import net.pterodactylus.sone.data.Image;
51 import net.pterodactylus.sone.data.Post;
52 import net.pterodactylus.sone.data.PostReply;
53 import net.pterodactylus.sone.data.Sone;
54 import net.pterodactylus.sone.data.impl.AlbumImpl;
55 import net.pterodactylus.sone.test.TestAlbumBuilder;
56 import net.pterodactylus.sone.test.TestImageBuilder;
57 import net.pterodactylus.sone.test.TestPostBuilder;
58 import net.pterodactylus.sone.test.TestPostReplyBuilder;
59 import net.pterodactylus.sone.test.TestValue;
60 import net.pterodactylus.util.config.Configuration;
61 import net.pterodactylus.util.config.ConfigurationException;
62 import net.pterodactylus.util.config.Value;
63
64 import com.google.common.base.Optional;
65 import org.hamcrest.CoreMatchers;
66 import org.junit.Before;
67 import org.junit.Test;
68 import org.mockito.invocation.InvocationOnMock;
69 import org.mockito.stubbing.Answer;
70
71 /**
72  * Tests for {@link MemoryDatabase}.
73  *
74  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
75  */
76 public class MemoryDatabaseTest {
77
78         private static final String SONE_ID = "sone";
79         private static final String RECIPIENT_ID = "recipient";
80         private final Configuration configuration = mock(Configuration.class);
81         private final MemoryDatabase memoryDatabase = new MemoryDatabase(configuration);
82         private final Sone sone = mock(Sone.class);
83
84         @Before
85         public void setupSone() {
86                 when(sone.getId()).thenReturn(SONE_ID);
87         }
88
89         @Test
90         public void storedSoneIsMadeAvailable() {
91                 Post firstPost = new TestPostBuilder().withId("post1")
92                                 .from(SONE_ID)
93                                 .withTime(1000L)
94                                 .withText("post1")
95                                 .build();
96                 Post secondPost = new TestPostBuilder().withId("post2")
97                                 .from(SONE_ID)
98                                 .withTime(2000L)
99                                 .withText("post2")
100                                 .to(RECIPIENT_ID)
101                                 .build();
102                 List<Post> posts = asList(firstPost, secondPost);
103                 when(sone.getPosts()).thenReturn(posts);
104                 PostReply firstPostFirstReply =
105                                 new TestPostReplyBuilder().withId("reply1")
106                                                 .from(SONE_ID)
107                                                 .to(firstPost.getId())
108                                                 .withTime(3000L)
109                                                 .withText("reply1")
110                                                 .build();
111                 PostReply firstPostSecondReply =
112                                 new TestPostReplyBuilder().withId("reply3")
113                                                 .from(RECIPIENT_ID)
114                                                 .to(firstPost.getId())
115                                                 .withTime(5000L)
116                                                 .withText("reply3")
117                                                 .build();
118                 PostReply secondPostReply =
119                                 new TestPostReplyBuilder().withId("reply2")
120                                                 .from(SONE_ID)
121                                                 .to(secondPost.getId())
122                                                 .withTime(4000L)
123                                                 .withText("reply2")
124                                                 .build();
125                 Set<PostReply> postReplies = new HashSet<PostReply>(
126                                 asList(firstPostFirstReply, firstPostSecondReply,
127                                                 secondPostReply));
128                 when(sone.getReplies()).thenReturn(postReplies);
129                 Album firstAlbum = new TestAlbumBuilder().withId("album1")
130                                 .by(sone)
131                                 .build()
132                                 .modify()
133                                 .setTitle("album1")
134                                 .setDescription("album-description1")
135                                 .update();
136                 Album secondAlbum = new TestAlbumBuilder().withId("album2").by(
137                                 sone).build().modify().setTitle("album2").setDescription(
138                                 "album-description2").update();
139                 Album thirdAlbum = new TestAlbumBuilder().withId("album3").by(
140                                 sone).build().modify().setTitle("album3").setDescription(
141                                 "album-description3").update();
142                 firstAlbum.addAlbum(thirdAlbum);
143                 Album rootAlbum = mock(Album.class);
144                 when(rootAlbum.getAlbums()).thenReturn(
145                                 asList(firstAlbum, secondAlbum));
146                 when(sone.getRootAlbum()).thenReturn(rootAlbum);
147                 Image firstImage = new TestImageBuilder().withId("image1")
148                                 .build()
149                                 .modify()
150                                 .setSone(sone)
151                                 .setCreationTime(1000L)
152                                 .setKey("KSK@image1")
153                                 .setTitle("image1")
154                                 .setDescription("image-description1")
155                                 .setWidth(16)
156                                 .setHeight(9)
157                                 .update();
158                 Image secondImage = new TestImageBuilder().withId("image2")
159                                 .build()
160                                 .modify()
161                                 .setSone(sone)
162                                 .setCreationTime(2000L)
163                                 .setKey("KSK@image2")
164                                 .setTitle("image2")
165                                 .setDescription("image-description2")
166                                 .setWidth(32)
167                                 .setHeight(18)
168                                 .update();
169                 Image thirdImage = new TestImageBuilder().withId("image3")
170                                 .build()
171                                 .modify()
172                                 .setSone(sone)
173                                 .setCreationTime(3000L)
174                                 .setKey("KSK@image3")
175                                 .setTitle("image3")
176                                 .setDescription("image-description3")
177                                 .setWidth(48)
178                                 .setHeight(27)
179                                 .update();
180                 firstAlbum.addImage(firstImage);
181                 firstAlbum.addImage(thirdImage);
182                 secondAlbum.addImage(secondImage);
183                 memoryDatabase.storeSone(sone);
184                 assertThat(memoryDatabase.getPost("post1"),
185                                 isPost(firstPost.getId(), 1000L, "post1",
186                                                 Optional.<String>absent()));
187                 assertThat(memoryDatabase.getPost("post2"),
188                                 isPost(secondPost.getId(), 2000L, "post2", of(RECIPIENT_ID)));
189                 assertThat(memoryDatabase.getPost("post3"), nullValue());
190                 assertThat(memoryDatabase.getPostReply("reply1"),
191                                 isPostReply("reply1", "post1", 3000L, "reply1"));
192                 assertThat(memoryDatabase.getPostReply("reply2"),
193                                 isPostReply("reply2", "post2", 4000L, "reply2"));
194                 assertThat(memoryDatabase.getPostReply("reply3"),
195                                 isPostReply("reply3", "post1", 5000L, "reply3"));
196                 assertThat(memoryDatabase.getPostReply("reply4"), nullValue());
197                 assertThat(memoryDatabase.getAlbum("album1"),
198                                 isAlbum("album1", null, "album1", "album-description1"));
199                 assertThat(memoryDatabase.getAlbum("album2"),
200                                 isAlbum("album2", null, "album2", "album-description2"));
201                 assertThat(memoryDatabase.getAlbum("album3"),
202                                 isAlbum("album3", "album1", "album3", "album-description3"));
203                 assertThat(memoryDatabase.getAlbum("album4"), nullValue());
204                 assertThat(memoryDatabase.getImage("image1"),
205                                 isImage("image1", 1000L, "KSK@image1", "image1",
206                                                 "image-description1", 16, 9));
207                 assertThat(memoryDatabase.getImage("image2"),
208                                 isImage("image2", 2000L, "KSK@image2", "image2",
209                                                 "image-description2", 32, 18));
210                 assertThat(memoryDatabase.getImage("image3"),
211                                 isImage("image3", 3000L, "KSK@image3", "image3",
212                                                 "image-description3", 48, 27));
213                 assertThat(memoryDatabase.getImage("image4"), nullValue());
214         }
215
216         @Test
217         public void storedAndRemovedSoneIsNotAvailable() {
218             storedSoneIsMadeAvailable();
219                 memoryDatabase.removeSone(sone);
220                 assertThat(memoryDatabase.getSones(), empty());
221         }
222
223         @Test
224         public void postRecipientsAreDetectedCorrectly() {
225                 Post postWithRecipient = createPost(of(RECIPIENT_ID));
226                 memoryDatabase.storePost(postWithRecipient);
227                 Post postWithoutRecipient = createPost(Optional.<String>absent());
228                 memoryDatabase.storePost(postWithoutRecipient);
229                 assertThat(memoryDatabase.getDirectedPosts(RECIPIENT_ID),
230                                 contains(postWithRecipient));
231         }
232
233         private Post createPost(Optional<String> recipient) {
234                 Post postWithRecipient = mock(Post.class);
235                 when(postWithRecipient.getId()).thenReturn(randomUUID().toString());
236                 when(postWithRecipient.getSone()).thenReturn(sone);
237                 when(postWithRecipient.getRecipientId()).thenReturn(recipient);
238                 return postWithRecipient;
239         }
240
241         @Test
242         public void postRepliesAreManagedCorrectly() {
243                 Post firstPost = createPost(Optional.<String>absent());
244                 PostReply firstPostFirstReply = createPostReply(firstPost, 1000L);
245                 Post secondPost = createPost(Optional.<String>absent());
246                 PostReply secondPostFirstReply = createPostReply(secondPost, 1000L);
247                 PostReply secondPostSecondReply = createPostReply(secondPost, 2000L);
248                 memoryDatabase.storePost(firstPost);
249                 memoryDatabase.storePost(secondPost);
250                 memoryDatabase.storePostReply(firstPostFirstReply);
251                 memoryDatabase.storePostReply(secondPostFirstReply);
252                 memoryDatabase.storePostReply(secondPostSecondReply);
253                 assertThat(memoryDatabase.getReplies(firstPost.getId()),
254                                 contains(firstPostFirstReply));
255                 assertThat(memoryDatabase.getReplies(secondPost.getId()),
256                                 contains(secondPostFirstReply, secondPostSecondReply));
257         }
258
259         private PostReply createPostReply(Post post, long time) {
260                 PostReply postReply = mock(PostReply.class);
261                 when(postReply.getId()).thenReturn(randomUUID().toString());
262                 when(postReply.getTime()).thenReturn(time);
263                 when(postReply.getPost()).thenReturn(of(post));
264                 final String postId = post.getId();
265                 when(postReply.getPostId()).thenReturn(postId);
266                 return postReply;
267         }
268
269         @Test
270         public void testBasicAlbumFunctionality() {
271                 Album newAlbum = new AlbumImpl(mock(Sone.class));
272                 assertThat(memoryDatabase.getAlbum(newAlbum.getId()), nullValue());
273                 memoryDatabase.storeAlbum(newAlbum);
274                 assertThat(memoryDatabase.getAlbum(newAlbum.getId()), is(newAlbum));
275                 memoryDatabase.removeAlbum(newAlbum);
276                 assertThat(memoryDatabase.getAlbum(newAlbum.getId()), nullValue());
277         }
278
279         private void initializeFriends() {
280                 when(configuration.getStringValue("Sone/" + SONE_ID + "/Friends/0/ID")).thenReturn(
281                                 TestValue.from("Friend1"));
282                 when(configuration.getStringValue("Sone/" + SONE_ID + "/Friends/1/ID")).thenReturn(
283                                 TestValue.from("Friend2"));
284                 when(configuration.getStringValue("Sone/" + SONE_ID + "/Friends/2/ID")).thenReturn(
285                                 TestValue.<String>from(null));
286         }
287
288         @Test
289         public void friendsAreReturnedCorrectly() {
290                 initializeFriends();
291                 when(sone.isLocal()).thenReturn(true);
292                 Collection<String> friends = memoryDatabase.getFriends(sone);
293                 assertThat(friends, containsInAnyOrder("Friend1", "Friend2"));
294         }
295
296         @Test
297         public void friendsAreOnlyLoadedOnceFromConfiguration() {
298                 friendsAreReturnedCorrectly();
299                 memoryDatabase.getFriends(sone);
300                 verify(configuration).getStringValue("Sone/" + SONE_ID + "/Friends/0/ID");
301         }
302
303         @Test
304         public void friendsAreOnlyReturnedForLocalSones() {
305                 Collection<String> friends = memoryDatabase.getFriends(sone);
306                 assertThat(friends, emptyIterable());
307                 verify(configuration, never()).getStringValue("Sone/" + SONE_ID + "/Friends/0/ID");
308         }
309
310         @Test
311         public void checkingForAFriendReturnsTrue() {
312                 initializeFriends();
313                 when(sone.isLocal()).thenReturn(true);
314                 assertThat(memoryDatabase.isFriend(sone, "Friend1"), is(true));
315         }
316
317         @Test
318         public void checkingForAFriendThatIsNotAFriendReturnsFalse() {
319                 initializeFriends();
320                 when(sone.isLocal()).thenReturn(true);
321                 assertThat(memoryDatabase.isFriend(sone, "FriendX"), is(false));
322         }
323
324         @Test
325         public void checkingForAFriendOfRemoteSoneReturnsFalse() {
326                 initializeFriends();
327                 assertThat(memoryDatabase.isFriend(sone, "Friend1"), is(false));
328         }
329
330         private Map<String, Value<?>> prepareConfigurationValues() {
331                 final Map<String, Value<?>> configurationValues = new HashMap<>();
332                 when(configuration.getStringValue(anyString())).thenAnswer(new Answer<Value<String>>() {
333                         @Override
334                         public Value<String> answer(InvocationOnMock invocation) throws Throwable {
335                                 Value<?> value = configurationValues.get(invocation.<String>getArgument(0));
336                                 if (value == null) {
337                                         value = TestValue.from(null);
338                                         configurationValues.put(invocation.<String>getArgument(0), value);
339                                 }
340                                 return (Value<String>) value;
341                         }
342                 });
343                 when(configuration.getLongValue(anyString())).thenAnswer(new Answer<Value<Long>>() {
344                         @Override
345                         public Value<Long> answer(InvocationOnMock invocation) throws Throwable {
346                                 Value<?> value = configurationValues.get(invocation.<String>getArgument(0));
347                                 if (value == null) {
348                                         value = TestValue.from(null);
349                                         configurationValues.put(invocation.<String>getArgument(0), value);
350                                 }
351                                 return (Value<Long>) value;
352                         }
353                 });
354                 return configurationValues;
355         }
356
357         @Test
358         public void friendIsAddedCorrectlyToLocalSone() {
359                 Map<String, Value<?>> configurationValues = prepareConfigurationValues();
360                 when(sone.isLocal()).thenReturn(true);
361                 memoryDatabase.addFriend(sone, "Friend1");
362                 assertThat(configurationValues.get("Sone/" + SONE_ID + "/Friends/0/ID"),
363                                 CoreMatchers.<Value<?>>is(TestValue.from("Friend1")));
364                 assertThat(configurationValues.get("Sone/" + SONE_ID + "/Friends/1/ID"),
365                                 CoreMatchers.<Value<?>>is(TestValue.<String>from(null)));
366         }
367
368         @Test
369         public void friendIsNotAddedToRemoteSone() {
370                 memoryDatabase.addFriend(sone, "Friend1");
371                 verify(configuration, never()).getStringValue(anyString());
372         }
373
374         @Test
375         public void friendIsRemovedCorrectlyFromLocalSone() {
376                 Map<String, Value<?>> configurationValues = prepareConfigurationValues();
377                 when(sone.isLocal()).thenReturn(true);
378                 memoryDatabase.addFriend(sone, "Friend1");
379                 memoryDatabase.removeFriend(sone, "Friend1");
380                 assertThat(configurationValues.get("Sone/" + SONE_ID + "/Friends/0/ID"),
381                                 CoreMatchers.<Value<?>>is(TestValue.<String>from(null)));
382                 assertThat(configurationValues.get("Sone/" + SONE_ID + "/Friends/1/ID"),
383                                 CoreMatchers.<Value<?>>is(TestValue.<String>from(null)));
384         }
385
386         @Test
387         public void configurationIsNotWrittenWhenANonFriendIsRemoved() {
388                 prepareConfigurationValues();
389                 when(sone.isLocal()).thenReturn(true);
390                 memoryDatabase.removeFriend(sone, "Friend1");
391                 verify(configuration).getStringValue(anyString());
392         }
393
394         @Test
395         public void soneFollowingTimeIsReturnedCorrectly() throws ConfigurationException {
396                 prepareConfigurationValues();
397                 configuration.getStringValue("SoneFollowingTimes/0/Sone").setValue("sone");
398                 configuration.getLongValue("SoneFollowingTimes/0/Time").setValue(1000L);
399                 assertThat(memoryDatabase.getFollowingTime("sone"), equalTo(1000L));
400         }
401
402         @Test
403         public void nullisReturnedWhenSoneIsNotFollowed() throws ConfigurationException {
404                 prepareConfigurationValues();
405                 configuration.getStringValue("SoneFollowingTimes/0/Sone").setValue("otherSone");
406                 configuration.getLongValue("SoneFollowingTimes/0/Time").setValue(1000L);
407                 assertThat(memoryDatabase.getFollowingTime("sone"), nullValue());
408         }
409
410         @Test
411         public void timeIsStoredInConfigurationWhenASoneIsFollowed() throws ConfigurationException {
412                 prepareConfigurationValues();
413                 when(sone.isLocal()).thenReturn(true);
414                 memoryDatabase.addFriend(sone, "Friend");
415                 assertThat(configuration.getStringValue("SoneFollowingTimes/0/Sone").getValue(), equalTo("Friend"));
416                 assertThat(System.currentTimeMillis() - configuration.getLongValue("SoneFollowingTimes/0/Time").getValue(), lessThan(1000L));
417                 assertThat(configuration.getStringValue("SoneFollowingTimes/1/Sone").getValue(), nullValue());
418         }
419
420         @Test
421         public void existingTimeIsNotOverwrittenWhenASoneIsFollowed() throws ConfigurationException {
422                 prepareConfigurationValues();
423                 configuration.getStringValue("SoneFollowingTimes/0/Sone").setValue("Friend");
424                 configuration.getLongValue("SoneFollowingTimes/0/Time").setValue(1000L);
425                 when(sone.isLocal()).thenReturn(true);
426                 memoryDatabase.addFriend(sone, "Friend");
427                 assertThat(configuration.getStringValue("SoneFollowingTimes/0/Sone").getValue(), equalTo("Friend"));
428                 assertThat(configuration.getLongValue("SoneFollowingTimes/0/Time").getValue(), equalTo(1000L));
429                 assertThat(configuration.getStringValue("SoneFollowingTimes/1/Sone").getValue(), nullValue());
430         }
431
432 }