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113 lines
3.3 KiB
113 lines
3.3 KiB
var Delta = require('../lib/delta'); |
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var op = require('../lib/op'); |
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describe('op', function () { |
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describe('length()', function () { |
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it('delete', function () { |
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expect(op.length({ delete: 5 })).toEqual(5); |
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}); |
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it('retain', function () { |
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expect(op.length({ retain: 2 })).toEqual(2); |
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}); |
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it('insert text', function () { |
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expect(op.length({ insert: 'text' })).toEqual(4); |
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}); |
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it('insert embed', function () { |
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expect(op.length({ insert: 2 })).toEqual(1); |
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}); |
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}); |
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describe('iterator()', function () { |
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beforeEach(function () { |
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this.delta = new Delta().insert('Hello', { bold: true }).retain(3).insert(2, { src: 'http://quilljs.com/' }).delete(4); |
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}); |
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it('hasNext() true', function () { |
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var iter = op.iterator(this.delta.ops); |
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expect(iter.hasNext()).toEqual(true); |
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}); |
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it('hasNext() false', function () { |
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var iter = op.iterator([]); |
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expect(iter.hasNext()).toEqual(false); |
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}); |
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it('peekLength() offset === 0', function () { |
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var iter = op.iterator(this.delta.ops); |
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expect(iter.peekLength()).toEqual(5); |
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iter.next(); |
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expect(iter.peekLength()).toEqual(3); |
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iter.next(); |
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expect(iter.peekLength()).toEqual(1); |
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iter.next(); |
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expect(iter.peekLength()).toEqual(4); |
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}); |
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it('peekLength() offset > 0', function () { |
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var iter = op.iterator(this.delta.ops); |
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iter.next(2); |
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expect(iter.peekLength()).toEqual(5 - 2); |
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}); |
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it('peekLength() no ops left', function () { |
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var iter = op.iterator([]); |
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expect(iter.peekLength()).toEqual(Infinity); |
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}); |
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it('peekType()', function () { |
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var iter = op.iterator(this.delta.ops); |
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expect(iter.peekType()).toEqual('insert'); |
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iter.next(); |
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expect(iter.peekType()).toEqual('retain'); |
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iter.next(); |
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expect(iter.peekType()).toEqual('insert'); |
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iter.next(); |
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expect(iter.peekType()).toEqual('delete'); |
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iter.next(); |
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expect(iter.peekType()).toEqual('retain'); |
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}); |
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it('next()', function () { |
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var iter = op.iterator(this.delta.ops); |
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for (var i = 0; i < this.delta.ops.length; i += 1) { |
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expect(iter.next()).toEqual(this.delta.ops[i]); |
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} |
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expect(iter.next()).toEqual({ retain: Infinity }); |
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expect(iter.next(4)).toEqual({ retain: Infinity }); |
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expect(iter.next()).toEqual({ retain: Infinity }); |
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}); |
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it('next(length)', function () { |
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var iter = op.iterator(this.delta.ops); |
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expect(iter.next(2)).toEqual({ insert: 'He', attributes: { bold: true }}); |
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expect(iter.next(10)).toEqual({ insert: 'llo', attributes: { bold: true }}); |
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expect(iter.next(1)).toEqual({ retain: 1 }); |
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expect(iter.next(2)).toEqual({ retain: 2 }); |
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}); |
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it('rest()', function () { |
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var iter = op.iterator(this.delta.ops); |
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iter.next(2); |
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expect(iter.rest()).toEqual([ |
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{ insert: 'llo', attributes: { bold: true }}, |
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{ retain: 3 }, |
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{ insert: 2, attributes: { src: 'http://quilljs.com/' } }, |
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{ delete: 4 } |
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]); |
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iter.next(3); |
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expect(iter.rest()).toEqual([ |
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{ retain: 3 }, |
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{ insert: 2, attributes: { src: 'http://quilljs.com/' } }, |
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{ delete: 4 } |
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]); |
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iter.next(3); |
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iter.next(2); |
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iter.next(4); |
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expect(iter.rest()).toEqual([]); |
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}) |
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}); |
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});
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