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joplin/packages/lib/models/Revision.test.js
2021-05-21 15:17:21 +02:00

93 lines
2.3 KiB
JavaScript

const { setupDatabaseAndSynchronizer, switchClient } = require('../testing/test-utils.js');
const Note = require('../models/Note').default;
const Revision = require('../models/Revision').default;
describe('models_Revision', function() {
beforeEach(async (done) => {
await setupDatabaseAndSynchronizer(1);
await switchClient(1);
done();
});
it('should create patches of text and apply it', (async () => {
const note1 = await Note.save({ body: 'my note\nsecond line' });
const patch = Revision.createTextPatch(note1.body, 'my new note\nsecond line');
const merged = Revision.applyTextPatch(note1.body, patch);
expect(merged).toBe('my new note\nsecond line');
}));
it('should create patches of objects and apply it', (async () => {
const oldObject = {
one: '123',
two: '456',
three: '789',
};
const newObject = {
one: '123',
three: '999',
};
const patch = Revision.createObjectPatch(oldObject, newObject);
const merged = Revision.applyObjectPatch(oldObject, patch);
expect(JSON.stringify(merged)).toBe(JSON.stringify(newObject));
}));
it('should move target revision to the top', (async () => {
const revs = [
{ id: '123' },
{ id: '456' },
{ id: '789' },
];
let newRevs;
newRevs = Revision.moveRevisionToTop({ id: '456' }, revs);
expect(newRevs[0].id).toBe('123');
expect(newRevs[1].id).toBe('789');
expect(newRevs[2].id).toBe('456');
newRevs = Revision.moveRevisionToTop({ id: '789' }, revs);
expect(newRevs[0].id).toBe('123');
expect(newRevs[1].id).toBe('456');
expect(newRevs[2].id).toBe('789');
}));
it('should create patch stats', (async () => {
const tests = [
{
patch: `@@ -625,16 +625,48 @@
rrupted download
+%0A- %5B %5D Fix mobile screen options`,
expected: [-0, +32],
},
{
patch: `@@ -564,17 +564,17 @@
ages%0A- %5B
-
+x
%5D Check `,
expected: [-1, +1],
},
{
patch: `@@ -1022,56 +1022,415 @@
.%0A%0A#
- How to view a note history%0A%0AWhile all the apps
+%C2%A0How does it work?%0A%0AAll the apps save a version of the modified notes every 10 minutes.
%0A%0A# `,
expected: [-(19 + 27 + 2), 17 + 67 + 4],
},
];
for (const test of tests) {
const stats = Revision.patchStats(test.patch);
expect(stats.removed).toBe(-test.expected[0]);
expect(stats.added).toBe(test.expected[1]);
}
}));
});