Tools: Moved lib-specific tests under lib package

packages/lib/models/Revision.test.js

@@ -0,0 +1,92 @@
+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]);
+		}
+	}));
+
+});