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add bunch of tests for relative positions

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This commit is contained in:
Kevin Jahns 2021-01-10 00:16:18 +01:00
parent 4af04d6a29
commit 6f074a873d
1 changed files with 86 additions and 11 deletions
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97
tests/relativePositions.tests.js
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@ -3,17 +3,9 @@ import * as Y from '../src/internals'
import * as t from 'lib0/testing.js'
/**
* @param {t.TestCase} tc
* @param {Y.YText} ytext
*/
export const testRelativePosition = tc => {
const ydoc = new Y.Doc()
const ytext = ydoc.getText()
ytext.insert(0, '1')
ytext.insert(0, 'abc')
ytext.insert(0, 'z')
ytext.insert(0, 'y')
ytext.insert(0, 'x')
const checkRelativePositions = ytext => {
// test if all positions are encoded and restored correctly
for (let i = 0; i < ytext.length; i++) {
// for all types of associations..
@ -21,9 +13,92 @@ export const testRelativePosition = tc => {
const rpos = Y.createRelativePositionFromTypeIndex(ytext, i, assoc)
const encodedRpos = Y.encodeRelativePosition(rpos)
const decodedRpos = Y.decodeRelativePosition(encodedRpos)
const absPos = /** @type {Y.AbsolutePosition} */ (Y.createAbsolutePositionFromRelativePosition(decodedRpos, ydoc))
const absPos = /** @type {Y.AbsolutePosition} */ (Y.createAbsolutePositionFromRelativePosition(decodedRpos, /** @type {Y.Doc} */ (ytext.doc)))
t.assert(absPos.index === i)
t.assert(absPos.assoc === assoc)
}
}
}
/**
* @param {t.TestCase} tc
*/
export const testRelativePositionCase1 = tc => {
const ydoc = new Y.Doc()
const ytext = ydoc.getText()
ytext.insert(0, '1')
ytext.insert(0, 'abc')
ytext.insert(0, 'z')
ytext.insert(0, 'y')
ytext.insert(0, 'x')
checkRelativePositions(ytext)
}
/**
* @param {t.TestCase} tc
*/
export const testRelativePositionCase2 = tc => {
const ydoc = new Y.Doc()
const ytext = ydoc.getText()
ytext.insert(0, 'abc')
checkRelativePositions(ytext)
}
/**
* @param {t.TestCase} tc
*/
export const testRelativePositionCase3 = tc => {
const ydoc = new Y.Doc()
const ytext = ydoc.getText()
ytext.insert(0, 'abc')
ytext.insert(0, '1')
ytext.insert(0, 'xyz')
checkRelativePositions(ytext)
}
/**
* @param {t.TestCase} tc
*/
export const testRelativePositionCase4 = tc => {
const ydoc = new Y.Doc()
const ytext = ydoc.getText()
ytext.insert(0, '1')
checkRelativePositions(ytext)
}
/**
* @param {t.TestCase} tc
*/
export const testRelativePositionCase5 = tc => {
const ydoc = new Y.Doc()
const ytext = ydoc.getText()
ytext.insert(0, '2')
ytext.insert(0, '1')
checkRelativePositions(ytext)
}
/**
* @param {t.TestCase} tc
*/
export const testRelativePositionCase6 = tc => {
const ydoc = new Y.Doc()
const ytext = ydoc.getText()
checkRelativePositions(ytext)
}
/**
* @param {t.TestCase} tc
*/
export const testRelativePositionAssociationDifference = tc => {
const ydoc = new Y.Doc()
const ytext = ydoc.getText()
ytext.insert(0, '2')
ytext.insert(0, '1')
const rposRight = Y.createRelativePositionFromTypeIndex(ytext, 1, 0)
const rposLeft = Y.createRelativePositionFromTypeIndex(ytext, 1, -1)
ytext.insert(1, 'x')
const posRight = Y.createAbsolutePositionFromRelativePosition(rposRight, ydoc)
const posLeft = Y.createAbsolutePositionFromRelativePosition(rposLeft, ydoc)
t.assert(posRight != null && posRight.index === 2)
t.assert(posLeft != null && posLeft.index === 1)
}