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112 lines
3.2 KiB
112 lines
3.2 KiB
var op = require('../lib/op');
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describe('attributes', function () {
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describe('compose()', function () {
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var attributes = { bold: true, color: 'red' };
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it('left is undefined', function () {
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expect(op.attributes.compose(undefined, attributes)).toEqual(attributes);
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});
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it('right is undefined', function () {
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expect(op.attributes.compose(attributes, undefined)).toEqual(attributes);
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});
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it('both are undefined', function () {
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expect(op.attributes.compose(undefined, undefined)).toBe(undefined);
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});
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it('missing', function () {
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expect(op.attributes.compose(attributes, { italic: true })).toEqual({
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bold: true,
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italic: true,
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color: 'red'
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});
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});
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it('overwrite', function () {
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expect(op.attributes.compose(attributes, { bold: false, color: 'blue' })).toEqual({
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bold: false,
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color: 'blue'
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});
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});
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it('remove', function () {
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expect(op.attributes.compose(attributes, { bold: null })).toEqual({
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color: 'red'
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});
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});
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it('remove to none', function () {
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expect(op.attributes.compose(attributes, { bold: null, color: null })).toEqual(undefined);
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});
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it('remove missing', function () {
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expect(op.attributes.compose(attributes, { italic: null })).toEqual(attributes);
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});
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});
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describe('diff()', function () {
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var format = { bold: true, color: 'red' };
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it('left is undefined', function () {
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expect(op.attributes.diff(undefined, format)).toEqual(format);
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});
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it('right is undefined', function () {
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var expected = { bold: null, color: null };
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expect(op.attributes.diff(format, undefined)).toEqual(expected);
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});
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it('same format', function () {
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expect(op.attributes.diff(format, format)).toEqual(undefined);
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});
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it('add format', function () {
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var added = { bold: true, italic: true, color: 'red' };
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var expected = { italic: true };
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expect(op.attributes.diff(format, added)).toEqual(expected);
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});
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it('remove format', function () {
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var removed = { bold: true };
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var expected = { color: null };
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expect(op.attributes.diff(format, removed)).toEqual(expected);
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});
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it('overwrite format', function () {
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var overwritten = { bold: true, color: 'blue' };
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var expected = { color: 'blue' };
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expect(op.attributes.diff(format, overwritten)).toEqual(expected);
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});
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});
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describe('transform()', function () {
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var left = { bold: true, color: 'red', font: null };
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var right = { color: 'blue', font: 'serif', italic: true };
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it('left is undefined', function () {
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expect(op.attributes.transform(undefined, left, false)).toEqual(left);
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});
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it('right is undefined', function () {
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expect(op.attributes.transform(left, undefined, false)).toEqual(undefined);
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});
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it('both are undefined', function () {
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expect(op.attributes.transform(undefined, undefined, false)).toEqual(undefined);
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});
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it('with priority', function () {
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expect(op.attributes.transform(left, right, true)).toEqual({
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italic: true
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});
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});
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it('without priority', function () {
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expect(op.attributes.transform(left, right, false)).toEqual(right);
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});
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});
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});
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