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phoenix
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1.5.4
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1.5.1
1.5.0
1.5.0-rc.0
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1.0.1
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0.2.3
0.2.2
0.2.1
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0.1.0
Productive. Reliable. Fast. A productive web framework that does not compromise speed or maintainability.
Security advisory:
This version has known vulnerabilities.
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Files
web/test/presence_test.js
import assert from "assert"
import {Presence} from "../static/js/phoenix"
let clone = (obj) => { return JSON.parse(JSON.stringify(obj)) }
let fixtures = {
joins(){
return {u1: {metas: [{id: 1, phx_ref: "1.2"}]}}
},
leaves(){
return {u2: {metas: [{id: 2, phx_ref: "2"}]}}
},
state(){
return {
u1: {metas: [{id: 1, phx_ref: "1"}]},
u2: {metas: [{id: 2, phx_ref: "2"}]},
u3: {metas: [{id: 3, phx_ref: "3"}]}
}
}
}
describe("syncState", () => {
it("syncs empty state", () => {
let newState = {u1: {metas: [{id: 1, phx_ref: "1"}]}}
let state = {}
let stateBefore = clone(state)
Presence.syncState(state, newState)
assert.deepEqual(state, stateBefore)
state = Presence.syncState(state, newState)
assert.deepEqual(state, newState)
})
it("onJoins new presences and onLeave's left presences", () => {
let newState = fixtures.state()
let state = {u4: {metas: [{id: 4, phx_ref: "4"}]}}
let joined = {}
let left = {}
let onJoin = (key, current, newPres) => {
joined[key] = {current: current, newPres: newPres}
}
let onLeave = (key, current, leftPres) => {
left[key] = {current: current, leftPres: leftPres}
}
let stateBefore = clone(state)
Presence.syncState(state, newState, onJoin, onLeave)
assert.deepEqual(state, stateBefore)
state = Presence.syncState(state, newState, onJoin, onLeave)
assert.deepEqual(state, newState)
assert.deepEqual(joined, {
u1: {current: null, newPres: {metas: [{id: 1, phx_ref: "1"}]}},
u2: {current: null, newPres: {metas: [{id: 2, phx_ref: "2"}]}},
u3: {current: null, newPres: {metas: [{id: 3, phx_ref: "3"}]}}
})
assert.deepEqual(left, {
u4: {current: {metas: []}, leftPres: {metas: [{id: 4, phx_ref: "4"}]}}
})
})
it("onJoins only newly added metas", () => {
let newState = {u3: {metas: [{id: 3, phx_ref: "3"}, {id: 3, phx_ref: "3.new"}]}}
let state = {u3: {metas: [{id: 3, phx_ref: "3"}]}}
let joined = {}
let left = {}
let onJoin = (key, current, newPres) => {
joined[key] = {current: current, newPres: newPres}
}
let onLeave = (key, current, leftPres) => {
left[key] = {current: current, leftPres: leftPres}
}
state = Presence.syncState(state, newState, onJoin, onLeave)
assert.deepEqual(state, newState)
assert.deepEqual(joined, {
u3: {current: {metas: [{id: 3, phx_ref: "3"}]},
newPres: {metas: [{id: 3, phx_ref: "3"}, {id: 3, phx_ref: "3.new"}]}}
})
assert.deepEqual(left, {})
})
})
describe("syncDiff", () => {
it("syncs empty state", () => {
let joins = {u1: {metas: [{id: 1, phx_ref: "1"}]}}
let state = {}
Presence.syncDiff(state, {joins: joins, leaves: {}})
assert.deepEqual(state, {})
state = Presence.syncDiff(state, {
joins: joins,
leaves: {}
})
assert.deepEqual(state, joins)
})
it("removes presence when meta is empty and adds additional meta", () => {
let state = fixtures.state()
state = Presence.syncDiff(state, {joins: fixtures.joins(), leaves: fixtures.leaves()})
assert.deepEqual(state, {
u1: {metas: [{id: 1, phx_ref: "1"}, {id: 1, phx_ref: "1.2"}]},
u3: {metas: [{id: 3, phx_ref: "3"}]}
})
})
it("removes meta while leaving key if other metas exist", () => {
let state = {
u1: {metas: [{id: 1, phx_ref: "1"}, {id: 1, phx_ref: "1.2"}]}
}
state = Presence.syncDiff(state, {joins: {}, leaves: {u1: {metas: [{id: 1, phx_ref: "1"}]}}})
assert.deepEqual(state, {
u1: {metas: [{id: 1, phx_ref: "1.2"}]},
})
})
})
describe("list", () => {
it("lists full presence by default", () => {
let state = fixtures.state()
assert.deepEqual(Presence.list(state), [
{metas: [{id: 1, phx_ref: "1"}]},
{metas: [{id: 2, phx_ref: "2"}]},
{metas: [{id: 3, phx_ref: "3"}]}
])
})
it("lists with custom function", () => {
let state = {u1: {metas: [
{id: 1, phx_ref: "1.first"},
{id: 1, phx_ref: "1.second"}]
}}
let listBy = (key, {metas: [first, ...rest]}) => {
return first
}
assert.deepEqual(Presence.list(state, listBy), [
{id: 1, phx_ref: "1.first"}
])
})
})