330 lines
14 KiB
TypeScript
330 lines
14 KiB
TypeScript
import * as assert from 'assert'
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import {Counter} from 'automerge'
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import * as Automerge from '../src'
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describe('Automerge', () => {
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describe('basics', () => {
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it('should init clone and free', () => {
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let doc1 = Automerge.init()
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let doc2 = Automerge.clone(doc1);
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// this is only needed if weakrefs are not supported
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Automerge.free(doc1)
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Automerge.free(doc2)
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})
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it('should be able to make a view with specifc heads', () => {
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let doc1 = Automerge.init()
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let doc2 = Automerge.change(doc1, (d) => d.value = 1)
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let heads2 = Automerge.getHeads(doc2)
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let doc3 = Automerge.change(doc2, (d) => d.value = 2)
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let doc2_v2 = Automerge.view(doc3, heads2)
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assert.deepEqual(doc2, doc2_v2)
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let doc2_v2_clone = Automerge.clone(doc2, "aabbcc")
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assert.deepEqual(doc2, doc2_v2_clone)
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assert.equal(Automerge.getActorId(doc2_v2_clone), "aabbcc")
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})
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it('handle basic set and read on root object', () => {
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let doc1 = Automerge.init()
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let doc2 = Automerge.change(doc1, (d) => {
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d.hello = "world"
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d.big = "little"
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d.zip = "zop"
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d.app = "dap"
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assert.deepEqual(d, { hello: "world", big: "little", zip: "zop", app: "dap" })
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})
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assert.deepEqual(doc2, { hello: "world", big: "little", zip: "zop", app: "dap" })
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})
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it('can detect an automerge doc with isAutomerge()', () => {
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const doc1 = Automerge.from({ sub: { object: true } })
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assert(Automerge.isAutomerge(doc1))
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assert(!Automerge.isAutomerge(doc1.sub))
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assert(!Automerge.isAutomerge("String"))
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assert(!Automerge.isAutomerge({ sub: { object: true }}))
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assert(!Automerge.isAutomerge(undefined))
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const jsObj = Automerge.toJS(doc1)
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assert(!Automerge.isAutomerge(jsObj))
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assert.deepEqual(jsObj, doc1)
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})
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it('it should recursively freeze the document if requested', () => {
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let doc1 = Automerge.init({ freeze: true } )
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let doc2 = Automerge.init()
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assert(Object.isFrozen(doc1))
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assert(!Object.isFrozen(doc2))
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// will also freeze sub objects
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doc1 = Automerge.change(doc1, (doc) => doc.book = { title: "how to win friends" })
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doc2 = Automerge.merge(doc2,doc1)
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assert(Object.isFrozen(doc1))
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assert(Object.isFrozen(doc1.book))
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assert(!Object.isFrozen(doc2))
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assert(!Object.isFrozen(doc2.book))
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// works on from
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let doc3 = Automerge.from({ sub: { obj: "inner" } }, { freeze: true })
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assert(Object.isFrozen(doc3))
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assert(Object.isFrozen(doc3.sub))
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// works on load
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let doc4 = Automerge.load(Automerge.save(doc3), { freeze: true })
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assert(Object.isFrozen(doc4))
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assert(Object.isFrozen(doc4.sub))
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// follows clone
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let doc5 = Automerge.clone(doc4)
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assert(Object.isFrozen(doc5))
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assert(Object.isFrozen(doc5.sub))
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// toJS does not freeze
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let exported = Automerge.toJS(doc5)
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assert(!Object.isFrozen(exported))
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})
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it('handle basic sets over many changes', () => {
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let doc1 = Automerge.init()
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let timestamp = new Date();
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let counter = new Automerge.Counter(100);
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let bytes = new Uint8Array([10,11,12]);
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let doc2 = Automerge.change(doc1, (d) => {
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d.hello = "world"
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})
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let doc3 = Automerge.change(doc2, (d) => {
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d.counter1 = counter
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})
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let doc4 = Automerge.change(doc3, (d) => {
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d.timestamp1 = timestamp
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})
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let doc5 = Automerge.change(doc4, (d) => {
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d.app = null
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})
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let doc6 = Automerge.change(doc5, (d) => {
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d.bytes1 = bytes
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})
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let doc7 = Automerge.change(doc6, (d) => {
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d.uint = new Automerge.Uint(1)
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d.int = new Automerge.Int(-1)
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d.float64 = new Automerge.Float64(5.5)
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d.number1 = 100
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d.number2 = -45.67
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d.true = true
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d.false = false
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})
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assert.deepEqual(doc7, { hello: "world", true: true, false: false, int: -1, uint: 1, float64: 5.5, number1: 100, number2: -45.67, counter1: counter, timestamp1: timestamp, bytes1: bytes, app: null })
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let changes = Automerge.getAllChanges(doc7)
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let t1 = Automerge.init()
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;let [t2] = Automerge.applyChanges(t1, changes)
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assert.deepEqual(doc7,t2)
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})
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it('handle overwrites to values', () => {
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let doc1 = Automerge.init()
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let doc2 = Automerge.change(doc1, (d) => {
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d.hello = "world1"
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})
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let doc3 = Automerge.change(doc2, (d) => {
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d.hello = "world2"
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})
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let doc4 = Automerge.change(doc3, (d) => {
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d.hello = "world3"
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})
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let doc5 = Automerge.change(doc4, (d) => {
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d.hello = "world4"
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})
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assert.deepEqual(doc5, { hello: "world4" } )
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})
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it('handle set with object value', () => {
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let doc1 = Automerge.init()
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let doc2 = Automerge.change(doc1, (d) => {
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d.subobj = { hello: "world", subsubobj: { zip: "zop" } }
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})
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assert.deepEqual(doc2, { subobj: { hello: "world", subsubobj: { zip: "zop" } } })
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})
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it('handle simple list creation', () => {
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let doc1 = Automerge.init()
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let doc2 = Automerge.change(doc1, (d) => d.list = [])
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assert.deepEqual(doc2, { list: []})
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})
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it('handle simple lists', () => {
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let doc1 = Automerge.init()
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let doc2 = Automerge.change(doc1, (d) => {
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d.list = [ 1, 2, 3 ]
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})
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assert.deepEqual(doc2.list.length, 3)
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assert.deepEqual(doc2.list[0], 1)
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assert.deepEqual(doc2.list[1], 2)
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assert.deepEqual(doc2.list[2], 3)
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assert.deepEqual(doc2, { list: [1,2,3] })
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// assert.deepStrictEqual(Automerge.toJS(doc2), { list: [1,2,3] })
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let doc3 = Automerge.change(doc2, (d) => {
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d.list[1] = "a"
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})
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assert.deepEqual(doc3.list.length, 3)
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assert.deepEqual(doc3.list[0], 1)
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assert.deepEqual(doc3.list[1], "a")
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assert.deepEqual(doc3.list[2], 3)
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assert.deepEqual(doc3, { list: [1,"a",3] })
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})
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it('handle simple lists', () => {
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let doc1 = Automerge.init()
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let doc2 = Automerge.change(doc1, (d) => {
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d.list = [ 1, 2, 3 ]
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})
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let changes = Automerge.getChanges(doc1, doc2)
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let docB1 = Automerge.init()
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;let [docB2] = Automerge.applyChanges(docB1, changes)
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assert.deepEqual(docB2, doc2);
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})
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it('handle text', () => {
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let doc1 = Automerge.init()
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let tmp = new Automerge.Text("hello")
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let doc2 = Automerge.change(doc1, (d) => {
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d.list = new Automerge.Text("hello")
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d.list.insertAt(2,"Z")
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})
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let changes = Automerge.getChanges(doc1, doc2)
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let docB1 = Automerge.init()
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;let [docB2] = Automerge.applyChanges(docB1, changes)
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assert.deepEqual(docB2, doc2);
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})
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it('have many list methods', () => {
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let doc1 = Automerge.from({ list: [1,2,3] })
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assert.deepEqual(doc1, { list: [1,2,3] });
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let doc2 = Automerge.change(doc1, (d) => {
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d.list.splice(1,1,9,10)
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})
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assert.deepEqual(doc2, { list: [1,9,10,3] });
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let doc3 = Automerge.change(doc2, (d) => {
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d.list.push(11,12)
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})
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assert.deepEqual(doc3, { list: [1,9,10,3,11,12] });
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let doc4 = Automerge.change(doc3, (d) => {
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d.list.unshift(2,2)
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})
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assert.deepEqual(doc4, { list: [2,2,1,9,10,3,11,12] });
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let doc5 = Automerge.change(doc4, (d) => {
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d.list.shift()
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})
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assert.deepEqual(doc5, { list: [2,1,9,10,3,11,12] });
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let doc6 = Automerge.change(doc5, (d) => {
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d.list.insertAt(3,100,101)
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})
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assert.deepEqual(doc6, { list: [2,1,9,100,101,10,3,11,12] });
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})
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it('allows access to the backend', () => {
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let doc = Automerge.init()
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assert.deepEqual(Object.keys(Automerge.getBackend(doc)), ["ptr"])
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})
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it('lists and text have indexof', () => {
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let doc = Automerge.from({ list: [0,1,2,3,4,5,6], text: new Automerge.Text("hello world") })
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console.log(doc.list.indexOf(5))
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console.log(doc.text.indexOf("world"))
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})
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})
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describe('proxy lists', () => {
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it('behave like arrays', () => {
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let doc = Automerge.from({
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chars: ["a","b","c"],
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numbers: [20,3,100],
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repeats: [20,20,3,3,3,3,100,100]
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})
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let r1 = []
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doc = Automerge.change(doc, (d) => {
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assert.deepEqual(d.chars.concat([1,2]), ["a","b","c",1,2])
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assert.deepEqual(d.chars.map((n) => n + "!"), ["a!", "b!", "c!"])
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assert.deepEqual(d.numbers.map((n) => n + 10), [30, 13, 110])
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assert.deepEqual(d.numbers.toString(), "20,3,100")
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assert.deepEqual(d.numbers.toLocaleString(), "20,3,100")
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assert.deepEqual(d.numbers.forEach((n) => r1.push(n)), undefined)
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assert.deepEqual(d.numbers.every((n) => n > 1), true)
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assert.deepEqual(d.numbers.every((n) => n > 10), false)
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assert.deepEqual(d.numbers.filter((n) => n > 10), [20,100])
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assert.deepEqual(d.repeats.find((n) => n < 10), 3)
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assert.deepEqual(d.repeats.toArray().find((n) => n < 10), 3)
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assert.deepEqual(d.repeats.find((n) => n < 0), undefined)
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assert.deepEqual(d.repeats.findIndex((n) => n < 10), 2)
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assert.deepEqual(d.repeats.findIndex((n) => n < 0), -1)
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assert.deepEqual(d.repeats.toArray().findIndex((n) => n < 10), 2)
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assert.deepEqual(d.repeats.toArray().findIndex((n) => n < 0), -1)
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assert.deepEqual(d.numbers.includes(3), true)
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assert.deepEqual(d.numbers.includes(-3), false)
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assert.deepEqual(d.numbers.join("|"), "20|3|100")
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assert.deepEqual(d.numbers.join(), "20,3,100")
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assert.deepEqual(d.numbers.some((f) => f === 3), true)
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assert.deepEqual(d.numbers.some((f) => f < 0), false)
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assert.deepEqual(d.numbers.reduce((sum,n) => sum + n, 100), 223)
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assert.deepEqual(d.repeats.reduce((sum,n) => sum + n, 100), 352)
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assert.deepEqual(d.chars.reduce((sum,n) => sum + n, "="), "=abc")
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assert.deepEqual(d.chars.reduceRight((sum,n) => sum + n, "="), "=cba")
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assert.deepEqual(d.numbers.reduceRight((sum,n) => sum + n, 100), 223)
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assert.deepEqual(d.repeats.lastIndexOf(3), 5)
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assert.deepEqual(d.repeats.lastIndexOf(3,3), 3)
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})
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doc = Automerge.change(doc, (d) => {
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assert.deepEqual(d.numbers.fill(-1,1,2), [20,-1,100])
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assert.deepEqual(d.chars.fill("z",1,100), ["a","z","z"])
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})
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assert.deepEqual(r1, [20,3,100])
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assert.deepEqual(doc.numbers, [20,-1,100])
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assert.deepEqual(doc.chars, ["a","z","z"])
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})
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})
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it('should obtain the same conflicts, regardless of merge order', () => {
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let s1 = Automerge.init()
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let s2 = Automerge.init()
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s1 = Automerge.change(s1, doc => { doc.x = 1; doc.y = 2 })
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s2 = Automerge.change(s2, doc => { doc.x = 3; doc.y = 4 })
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const m1 = Automerge.merge(Automerge.clone(s1), Automerge.clone(s2))
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const m2 = Automerge.merge(Automerge.clone(s2), Automerge.clone(s1))
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assert.deepStrictEqual(Automerge.getConflicts(m1, 'x'), Automerge.getConflicts(m2, 'x'))
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})
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describe("getObjectId", () => {
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let s1 = Automerge.from({
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"string": "string",
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"number": 1,
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"null": null,
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"date": new Date(),
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"counter": new Automerge.Counter(),
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"bytes": new Uint8Array(10),
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"text": new Automerge.Text(),
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"list": [],
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"map": {}
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})
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it("should return null for scalar values", () => {
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assert.equal(Automerge.getObjectId(s1.string), null)
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assert.equal(Automerge.getObjectId(s1.number), null)
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assert.equal(Automerge.getObjectId(s1.null), null)
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assert.equal(Automerge.getObjectId(s1.date), null)
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assert.equal(Automerge.getObjectId(s1.counter), null)
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assert.equal(Automerge.getObjectId(s1.bytes), null)
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})
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it("should return _root for the root object", () => {
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assert.equal(Automerge.getObjectId(s1), "_root")
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})
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it("should return non-null for map, list, text, and objects", () => {
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assert.notEqual(Automerge.getObjectId(s1.text), null)
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assert.notEqual(Automerge.getObjectId(s1.list), null)
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assert.notEqual(Automerge.getObjectId(s1.map), null)
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})
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})
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})
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