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// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.
import { Delta, YFile } from '../src';
describe('@jupyter/ydoc', () => {
describe('YFile', () => {
describe('#constructor', () => {
test('should create a document without arguments', () => {
const file = new YFile();
expect(file.source.length).toBe(0);
file.dispose();
});
});
describe('#disposed', () => {
test('should be emitted when the document is disposed', () => {
const file = new YFile();
let disposed = false;
file.disposed.connect(() => {
disposed = true;
});
file.dispose();
expect(disposed).toEqual(true);
});
});
describe('source', () => {
test('should set source', () => {
const file = new YFile();
const source = 'foo';
file.setSource(source);
expect(file.source).toEqual(source);
file.dispose();
});
test('should get source', () => {
const file = new YFile();
const source = 'foo';
file.setSource(source);
expect(file.getSource()).toEqual(source);
file.dispose();
});
test('should update source', () => {
const file = new YFile();
const source = 'fooo bar';
file.setSource(source);
expect(file.source).toBe(source);
file.updateSource(3, 5, '/');
expect(file.source).toBe('foo/bar');
file.dispose();
});
test('should emit an insert source change', () => {
const file = new YFile();
expect(file.source).toBe('');
const changes: Delta<string>[] = [];
file.changed.connect((_, c) => {
changes.push(c.sourceChange!);
});
const source = 'foo';
file.setSource(source);
expect(changes).toHaveLength(1);
expect(changes).toEqual([
[
{
insert: 'foo'
}
]
]);
file.dispose();
});
test('should emit a delete source change', () => {
const file = new YFile();
const source = 'foo';
file.setSource(source);
expect(file.source).toBe(source);
const changes: Delta<string>[] = [];
file.changed.connect((_, c) => {
changes.push(c.sourceChange!);
});
file.setSource('');
expect(changes).toHaveLength(1);
expect(changes).toEqual([
[
{
delete: 3
}
]
]);
file.dispose();
});
test('should emit an update source change', () => {
const file = new YFile();
const source1 = 'foo';
file.setSource(source1);
expect(file.source).toBe(source1);
const changes: Delta<string>[] = [];
file.changed.connect((_, c) => {
changes.push(c.sourceChange!);
});
const source = 'bar';
file.setSource(source);
expect(changes).toHaveLength(1);
expect(changes).toEqual([
[
{
delete: 3
},
{
insert: source
}
]
]);
file.dispose();
});
});
});
});
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