dittolive-ditto 1.1.10-experimental.all-product-headers-yaml-issue.1

Ditto is a peer to peer cross-platform database that allows mobile, web, IoT and server apps to sync with or without an internet connection.
Documentation
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
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
//! Tests of live query functionality
#[macro_use]
extern crate serde_json;

use assert_matches::assert_matches as assert_matches_;

use std::sync::{
    atomic::{AtomicBool, Ordering},
    Arc, Mutex,
};

use common::*;

mod common;

/// Test inserting a document inside of a LQ Callback
/// triggers the correct Initial LiveQueryEvent
#[test]
fn initial_lq() -> Result<(), Box<dyn std::error::Error>> {
    let ditto = common::get_ditto().unwrap();
    let store = ditto.store();
    let uuid = uuid::Uuid::new_v4().to_string();
    let collection = store.collection(&uuid).unwrap();

    let doc1_id = DocumentId::new(&"1".to_string()).unwrap();
    let doc1 = TestType {
        make: String::from("Honda"),
        color: TestColor::Red,
        id: Some(doc1_id.clone()),
        ..Default::default()
    };
    let expected_doc = doc1.clone(); // make a copy for the test

    let doc1_id_ret = collection.upsert(doc1).unwrap();
    assert_eq!(doc1_id_ret, doc1_id);

    let doc2 = TestType {
        make: String::from("Honda"),
        color: TestColor::Crimson,
        ..Default::default()
    };
    let _doc2_id = collection.upsert(doc2).unwrap();

    let finished = Arc::new(AtomicBool::new(false));
    let finished_clone = Arc::clone(&finished);
    let counter = Arc::new(Mutex::new(0));
    assert_eq!(*counter.lock().unwrap(), 0);

    let handler = move |docs: Vec<BoxedDocument>, event| {
        let counter_mtx = &*counter; // move (copy) and reborrow
        if let Ok(mut counter) = counter_mtx.lock() {
            *counter += 1;
        }
        match event {
            LiveQueryEvent::Initial => {
                if let Ok(counter) = counter_mtx.lock() {
                    assert_eq!(*counter, 1);
                }
                assert_eq!(docs.len(), 1);
                assert_eq!(doc1_id, docs[0].id());
                let first_doc = docs[0].typed::<TestType>().unwrap();
                assert_eq!(first_doc, expected_doc);
                finished_clone.store(true, Ordering::SeqCst);
            }
            LiveQueryEvent::Update { .. } => {
                unimplemented!("Unexpected Update Received");
            }
        }
    };
    let lq = collection.find("color == \'Red\'").observe(handler)?; // String values in queries must be single quoted

    // wait for the LQ thread to finish
    while !finished.load(Ordering::SeqCst) {
        std::thread::yield_now();
    }

    lq.stop();

    Ok(())
}

/// Test inserting a new document triggers the correct Update LiveQueryEvent
#[test]
fn insert_lq() -> Result<(), Box<dyn std::error::Error>> {
    let ditto = common::get_ditto().unwrap();
    let store = ditto.store();
    let uuid = uuid::Uuid::new_v4().to_string();
    let collection = store.collection(&uuid).unwrap(); // Gets moved into Handler

    let finished = Arc::new(AtomicBool::new(false));
    let finished_clone = Arc::clone(&finished);
    let counter = Arc::new(Mutex::new(0));
    assert_eq!(*counter.lock().unwrap(), 0);
    let honda_id = DocumentId::new(&"honda".to_string()).unwrap();
    let collection_clone = collection.clone(); // Ref is not allowed as must be 'static

    let handler = move |docs: Vec<BoxedDocument>, event| {
        let counter_mtx = &*counter; // move (copy) and reborrow
        if let Ok(mut counter) = counter_mtx.lock() {
            *counter += 1;
        }
        match event {
            LiveQueryEvent::Initial => {
                // this is a bit overkill but it keeps our Handler Fn
                if let Ok(counter) = counter_mtx.lock() {
                    assert_eq!(*counter, 1);
                }
                assert!(docs.is_empty());
                // insert a matching doc
                let doc1 = TestType {
                    make: String::from("Honda"),
                    color: TestColor::Red,
                    id: Some(honda_id.clone()),
                    ..Default::default()
                };
                // The Collection here has a reference to the underlying core ditto Instance
                // which may be freed by the time this insert is called unless
                // something holds the test open
                let _id = collection_clone.upsert(doc1).unwrap();
            }
            LiveQueryEvent::Update {
                old_documents,
                insertions,
                ..
            } => {
                let expected_insertions = [0_usize; 1];
                let expected_doc = TestType {
                    make: String::from("Honda"),
                    color: TestColor::Red,
                    id: Some(honda_id.clone()),
                    ..Default::default()
                };
                if let Ok(counter) = counter_mtx.lock() {
                    assert_eq!(*counter, 2);
                }
                let first_doc = docs[0].typed::<TestType>().unwrap();
                assert_eq!(docs.len(), 1);
                assert!(old_documents.is_empty());
                assert_eq!(insertions, expected_insertions.into());
                assert_eq!(first_doc, expected_doc);
                finished_clone.store(true, Ordering::SeqCst);
            }
        }
    };
    let lq = collection.find("color == \'Red\'").observe(handler)?; // String values in queries must be single quoted

    // wait for the LQ thread to finish
    while !finished.load(Ordering::SeqCst) {
        std::thread::yield_now();
    }

    lq.stop(); // In theory, the clone should drop here
    drop(collection);
    drop(ditto);

    Ok(())

    // The core ditto ptr is freed here unless something is holding the test
    // open
}

/// Test a live query for a single document, with document IDs of different
/// types.
#[test]
fn single_document_with_different_ids() {
    let ditto = common::get_ditto().unwrap();
    let store = ditto.store();
    let uuid = uuid::Uuid::new_v4().to_string();
    let collection = store.collection(&uuid).unwrap();

    let raw_doc_ids: Vec<serde_json::Value> = vec![
        "boring_old_string".to_string().into(),
        1.into(),
        0.into(),
        123.into(),
        9999.into(),
        false.into(),
        true.into(),
        (0..64)
            .map(|_| rand::random::<u8>())
            .collect::<Vec<u8>>()
            .into(),
        vec!["a", "abc", "z89{{}}@£!fv>?!,[](){{}}000"].into(),
        json!({"a": "b", "__num__@£$%^&{})(|,,./!?": -7123}),
    ];

    raw_doc_ids.iter().for_each(|raw_id| {
        let doc_id = DocumentId::new(raw_id).unwrap();
        let doc = TestType {
            make: String::from("Honda"),
            color: TestColor::Red,
            id: Some(doc_id.clone()),
            ..Default::default()
        };

        // make copies for the test
        let expected_doc_id = doc_id.clone();
        let expected_doc = doc.clone();

        let returned_id = collection.upsert(doc).unwrap();
        assert_eq!(returned_id, doc_id);

        let finished = Arc::new(AtomicBool::new(false));
        let finished_clone = Arc::clone(&finished);
        let counter = Arc::new(Mutex::new(0));
        assert_eq!(*counter.lock().unwrap(), 0);

        let handler = move |doc: Option<BoxedDocument>, event: SingleDocumentLiveQueryEvent| {
            let counter_mtx = &*counter; // move (copy) and reborrow
            if let Ok(mut counter) = counter_mtx.lock() {
                *counter += 1;
            }
            if event.is_initial() {
                let doc = doc.expect("doc should be Some");
                if let Ok(counter) = counter_mtx.lock() {
                    assert_eq!(*counter, 1);
                }
                assert_eq!(expected_doc_id, doc.id());
                let first_doc = doc.typed::<TestType>().unwrap();
                assert_eq!(first_doc, expected_doc);
                finished_clone.store(true, Ordering::SeqCst);
            } else {
                unimplemented!("Unexpected non-initial event received");
            }
        };
        let lq = collection.find_by_id(doc_id).observe_v2(handler).unwrap();

        // wait for the LQ thread to finish
        while !finished.load(Ordering::SeqCst) {
            std::thread::yield_now();
        }

        lq.stop();
    });
}

/// Test inserting a new document triggers the correct Update LiveQueryEvent
#[test]
fn insert_lq_with_query_args() -> Result<(), Box<dyn std::error::Error>> {
    let ditto = common::get_ditto().unwrap();
    let store = ditto.store();
    let uuid = uuid::Uuid::new_v4().to_string();
    let collection = store.collection(&uuid).unwrap(); // Gets moved into Handler

    let finished = Arc::new(AtomicBool::new(false));
    let finished_clone = Arc::clone(&finished);
    let counter = Arc::new(Mutex::new(0));
    assert_eq!(*counter.lock().unwrap(), 0);
    let honda_id = DocumentId::new(&"honda".to_string()).unwrap();
    let collection_clone = collection.clone(); // Ref is not allowed as must be 'static

    let handler = move |docs: Vec<BoxedDocument>, event| {
        let counter_mtx = &*counter; // move (copy) and reborrow
        if let Ok(mut counter) = counter_mtx.lock() {
            *counter += 1;
        }
        match event {
            LiveQueryEvent::Initial => {
                // this is a bit overkill but it keeps our Handler Fn
                if let Ok(counter) = counter_mtx.lock() {
                    assert_eq!(*counter, 1);
                }
                assert!(docs.is_empty());
                // insert a matching doc
                let doc1 = TestType {
                    make: String::from("Honda"),
                    color: TestColor::Red,
                    id: Some(honda_id.clone()),
                    ..Default::default()
                };
                // The Collection here has a reference to the underlying core
                // ditto instance which may be freed by the time this upsert is
                // called unless something holds the test open
                let _id = collection_clone.upsert(doc1).unwrap();
            }
            LiveQueryEvent::Update {
                old_documents,
                insertions,
                ..
            } => {
                let expected_insertions = [0_usize; 1];
                let expected_doc = TestType {
                    make: String::from("Honda"),
                    color: TestColor::Red,
                    id: Some(honda_id.clone()),
                    ..Default::default()
                };
                if let Ok(counter) = counter_mtx.lock() {
                    assert_eq!(*counter, 2);
                }
                let first_doc = docs[0].typed::<TestType>().unwrap();
                assert_eq!(docs.len(), 1);
                assert!(old_documents.is_empty());
                assert_eq!(insertions, expected_insertions.into());
                assert_eq!(first_doc, expected_doc);
                finished_clone.store(true, Ordering::SeqCst);
            }
        }
    };
    let lq = collection
        .find_with_args("color == $args.color", json!({"color": "Red"}))
        .observe(handler)?;

    // wait for the LQ thread to finish
    while !finished.load(Ordering::SeqCst) {
        std::thread::yield_now();
    }

    lq.stop(); // In theory, the clone should drop here
    drop(collection);
    drop(ditto);

    Ok(())

    // The core ditto ptr is freed here unless something is holding the test
    // open
}

#[test]
fn single_document_lq() -> Result<(), Box<dyn std::error::Error>> {
    let ditto = common::get_ditto().unwrap();
    let store = ditto.store();
    let uuid = uuid::Uuid::new_v4().to_string();
    let collection = store.collection(&uuid).unwrap(); // Gets moved into Handler

    let finished = Arc::new(AtomicBool::new(false));
    let finished_clone = Arc::clone(&finished);
    let counter = Arc::new(Mutex::new(0));
    assert_eq!(*counter.lock().unwrap(), 0);
    let doc_id = DocumentId::new(&"a".to_string()).unwrap();
    let doc_id_clone = doc_id.clone();
    let collection_clone = collection.clone(); // Ref is not allowed as must be 'static

    let handler = move |doc: Option<BoxedDocument>, event: SingleDocumentLiveQueryEvent| {
        let counter_mtx = &*counter; // move (copy) and reborrow
        let mut counter = counter_mtx.lock().unwrap();
        *counter += 1;

        match *counter {
            1 => {
                assert!(event.is_initial());
                assert!(doc.is_none());
                let id = collection_clone
                    .upsert(json!({ "a": "b", "_id": doc_id_clone }))
                    .unwrap();
                assert_eq!(id, doc_id_clone);
            }
            2 => {
                assert!(!event.is_initial());
                assert_eq!(doc.unwrap().get::<String>("a").unwrap(), "b");
                finished_clone.store(true, Ordering::SeqCst);
            }
            _ => unreachable!(
                "Live query callback should not have been called {} times",
                *counter
            ),
        }
    };
    let lq = collection.find_by_id(doc_id).observe_v2(handler)?;

    // wait for the LQ thread to finish
    while !finished.load(Ordering::SeqCst) {
        std::thread::yield_now();
    }

    lq.stop(); // In theory, the clone should drop here
    drop(collection);
    drop(ditto);

    Ok(())
}

#[test]
fn hash_and_hash_mnemonic() -> Result<(), Box<dyn std::error::Error>> {
    let ditto = common::get_ditto().unwrap();
    let store = ditto.store();
    let collection = store.collection("test").unwrap(); // Gets moved into Handler

    let finished = Arc::new(AtomicBool::new(false));
    let finished_clone = Arc::clone(&finished);
    let counter = Arc::new(Mutex::new(0));
    assert_eq!(*counter.lock().unwrap(), 0);
    let doc_id = DocumentId::new(&"1".to_string()).unwrap();
    let collection_clone = collection.clone(); // Ref is not allowed as must be 'static

    let handler = move |docs: Vec<BoxedDocument>, event: LiveQueryEvent| {
        let counter_mtx = &*counter; // move (copy) and reborrow
        let mut counter = counter_mtx.lock().unwrap();
        *counter += 1;

        match *counter {
            1 => {
                assert_matches_!(event, LiveQueryEvent::Initial);
                assert!(docs.is_empty());
                assert_eq!(event.hash(&docs).unwrap(), 3244421341483603138);
                assert_eq!(
                    event.hash_mnemonic(&docs).unwrap(),
                    "love-prize-janet--chemist-orchid-ford"
                );
                let id = collection_clone
                    .upsert_with_strategy(
                        json!({ "a": "test", "_id": doc_id }),
                        WriteStrategy::InsertDefaultIfAbsent,
                    )
                    .unwrap();
                assert_eq!(id, doc_id);
            }
            2 => {
                assert_matches_!(event, LiveQueryEvent::Update { .. });
                assert_eq!(event.hash(&docs).unwrap(), 8298659613316817713);
                assert_eq!(
                    event.hash_mnemonic(&docs).unwrap(),
                    "antonio-romeo-king--torch-crack-transit"
                );
                assert_eq!(docs[0].get::<String>("a").unwrap(), "test");
                finished_clone.store(true, Ordering::SeqCst);
            }
            _ => unreachable!(
                "Live query callback should not have been called {} times",
                *counter
            ),
        }
    };
    let lq = collection.find("a == 'test'").observe(handler)?;

    // wait for the LQ thread to finish
    while !finished.load(Ordering::SeqCst) {
        std::thread::yield_now();
    }

    lq.stop(); // In theory, the clone should drop here
    drop(collection);
    drop(ditto);

    Ok(())
}

#[test]
fn single_doc_hash_and_hash_mnemonic() -> Result<(), Box<dyn std::error::Error>> {
    let ditto = common::get_ditto().unwrap();
    let store = ditto.store();
    let collection = store.collection("test").unwrap(); // Gets moved into Handler

    let finished = Arc::new(AtomicBool::new(false));
    let finished_clone = Arc::clone(&finished);
    let counter = Arc::new(Mutex::new(0));
    assert_eq!(*counter.lock().unwrap(), 0);
    let doc_id = DocumentId::new(&"1".to_string()).unwrap();
    let doc_id_clone = doc_id.clone();
    let collection_clone = collection.clone(); // Ref is not allowed as must be 'static

    let handler = move |doc: Option<BoxedDocument>, event: SingleDocumentLiveQueryEvent| {
        let counter_mtx = &*counter; // move (copy) and reborrow
        let mut counter = counter_mtx.lock().unwrap();
        *counter += 1;

        match *counter {
            1 => {
                assert!(event.is_initial());
                assert!(doc.is_none());
                assert_eq!(event.hash(&doc).unwrap(), 3244421341483603138);
                assert_eq!(
                    event.hash_mnemonic(&doc).unwrap(),
                    "love-prize-janet--chemist-orchid-ford"
                );
                let id = collection_clone
                    .upsert_with_strategy(
                        json!({ "a": "test", "_id": doc_id_clone }),
                        WriteStrategy::InsertDefaultIfAbsent,
                    )
                    .unwrap();
                assert_eq!(id, doc_id_clone);
            }
            2 => {
                assert!(!event.is_initial());
                assert_eq!(event.hash(&doc).unwrap(), 8298659613316817713);
                assert_eq!(
                    event.hash_mnemonic(&doc).unwrap(),
                    "antonio-romeo-king--torch-crack-transit"
                );
                assert_eq!(doc.unwrap().get::<String>("a").unwrap(), "test");
                finished_clone.store(true, Ordering::SeqCst);
            }
            _ => unreachable!(
                "Live query callback should not have been called {} times",
                *counter
            ),
        }
    };
    let lq = collection.find_by_id(doc_id).observe_v2(handler)?;

    // wait for the LQ thread to finish
    while !finished.load(Ordering::SeqCst) {
        std::thread::yield_now();
    }

    lq.stop(); // In theory, the clone should drop here
    drop(collection);
    drop(ditto);

    Ok(())
}

#[test]
fn live_query_mut() -> Result<(), Box<dyn std::error::Error>> {
    let ditto = common::get_ditto().unwrap();
    let store = ditto.store();
    let collection = store.collection("test").unwrap();
    let mut v = vec![];
    let _lq = collection.find_all().observe(move |_, _| {
        // Should be able to use mutable state in a LQ handler
        v.push(1);
    })?;
    Ok(())
}