72e470c5f0
When items are added and deleted in the same transaction, event.delta would recognize them as added (though they are actually deleted). Now it just ignores them.
77 lines
2.6 KiB
JavaScript
77 lines
2.6 KiB
JavaScript
import { init, compare } from './testHelper.js'
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import * as t from 'lib0/testing.js'
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/**
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* @param {t.TestCase} tc
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*/
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export const testBasicInsertAndDelete = tc => {
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const { users, text0 } = init(tc, { users: 2 })
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let delta
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text0.observe(event => {
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delta = event.delta
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})
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text0.delete(0, 0)
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t.assert(true, 'Does not throw when deleting zero elements with position 0')
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text0.insert(0, 'abc')
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t.assert(text0.toString() === 'abc', 'Basic insert works')
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t.compare(delta, [{ insert: 'abc' }])
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text0.delete(0, 1)
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t.assert(text0.toString() === 'bc', 'Basic delete works (position 0)')
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t.compare(delta, [{ delete: 1 }])
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text0.delete(1, 1)
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t.assert(text0.toString() === 'b', 'Basic delete works (position 1)')
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t.compare(delta, [{ retain: 1 }, { delete: 1 }])
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users[0].transact(() => {
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text0.insert(0, '1')
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text0.delete(0, 1)
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})
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t.compare(delta, [])
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compare(users)
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}
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/**
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* @param {t.TestCase} tc
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*/
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export const testBasicFormat = tc => {
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const { users, text0 } = init(tc, { users: 2 })
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let delta
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text0.observe(event => {
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delta = event.delta
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})
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text0.insert(0, 'abc', { bold: true })
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t.assert(text0.toString() === 'abc', 'Basic insert with attributes works')
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t.compare(text0.toDelta(), [{ insert: 'abc', attributes: { bold: true } }])
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t.compare(delta, [{ insert: 'abc', attributes: { bold: true } }])
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text0.delete(0, 1)
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t.assert(text0.toString() === 'bc', 'Basic delete on formatted works (position 0)')
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t.compare(text0.toDelta(), [{ insert: 'bc', attributes: { bold: true } }])
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t.compare(delta, [{ delete: 1 }])
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text0.delete(1, 1)
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t.assert(text0.toString() === 'b', 'Basic delete works (position 1)')
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t.compare(text0.toDelta(), [{ insert: 'b', attributes: { bold: true } }])
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t.compare(delta, [{ retain: 1 }, { delete: 1 }])
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text0.insert(0, 'z', { bold: true })
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t.assert(text0.toString() === 'zb')
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t.compare(text0.toDelta(), [{ insert: 'zb', attributes: { bold: true } }])
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t.compare(delta, [{ insert: 'z', attributes: { bold: true } }])
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// @ts-ignore
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t.assert(text0._start.right.right.right.string === 'b', 'Does not insert duplicate attribute marker')
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text0.insert(0, 'y')
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t.assert(text0.toString() === 'yzb')
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t.compare(text0.toDelta(), [{ insert: 'y' }, { insert: 'zb', attributes: { bold: true } }])
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t.compare(delta, [{ insert: 'y' }])
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text0.format(0, 2, { bold: null })
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t.assert(text0.toString() === 'yzb')
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t.compare(text0.toDelta(), [{ insert: 'yz' }, { insert: 'b', attributes: { bold: true } }])
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t.compare(delta, [{ retain: 1 }, { retain: 1, attributes: { bold: null } }])
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compare(users)
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}
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