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Copy pathaggregate.spec.ts
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1380 lines (1260 loc) · 29.2 KB
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import { aggregate } from "./aggregate";
import { makeEvent } from "./event-utils";
const SECOND = 1000;
const MINUTE = 60 * SECOND;
let dt = 0;
const nowTime = () => new Date().getTime();
const enoughPastTime = () => {
dt += 1;
return new Date(Date.now() - MINUTE).getTime() + dt;
};
const initializedEvent = ({
transitionDuration,
}: {
transitionDuration: number;
}) =>
makeEvent("Initialized", {
transitionDuration,
eventDate: enoughPastTime(),
});
const registeredEvent = ({ activityName }: { activityName: string }) =>
makeEvent("ActivityRegistered", {
activityName,
eventDate: enoughPastTime(),
});
test("aggregate - InitializedEvent만 존재하는 경우, 빈 스택을 내려줍니다", () => {
const output = aggregate(
[
initializedEvent({
transitionDuration: 300,
}),
],
nowTime(),
);
expect(output).toStrictEqual({
activities: [],
transitionDuration: 300,
globalTransitionState: "idle",
});
});
test("aggregate - 푸시하면 스택에 추가됩니다", () => {
const events = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "home",
}),
registeredEvent({
activityName: "sample",
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "sample",
eventDate: enoughPastTime(),
params: {},
}),
];
const pushedEvent = events[3];
const output = aggregate(events, nowTime());
expect(output).toStrictEqual({
activities: [
{
id: "a1",
name: "sample",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent,
},
],
transitionDuration: 300,
globalTransitionState: "idle",
});
});
test("aggregate - PushedEvent에 activityId, activityName이 다른 경우 스택에 반영됩니다", () => {
const events = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "home",
}),
registeredEvent({
activityName: "sample2",
}),
makeEvent("Pushed", {
activityId: "a2",
activityName: "sample2",
eventDate: enoughPastTime(),
params: {},
}),
];
const pushedEvent = events[3];
const output = aggregate(events, nowTime());
expect(output).toStrictEqual({
activities: [
{
id: "a2",
name: "sample2",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent,
},
],
transitionDuration: 300,
globalTransitionState: "idle",
});
});
test("aggregate - 같은 activityId로 여러번 푸시되는 경우 이전의 만들어진 Pushed는 무시됩니다", () => {
const events = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "home",
}),
registeredEvent({
activityName: "sample2",
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "sample2",
eventDate: enoughPastTime(),
params: {},
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "sample2",
eventDate: enoughPastTime(),
params: {},
}),
];
const pushedEvent2 = events[4];
const output = aggregate(events, nowTime());
expect(output).toEqual({
activities: [
{
id: "a1",
name: "sample2",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent2,
},
],
transitionDuration: 300,
globalTransitionState: "idle",
});
});
test("aggregate - 다른 activityName으로 두번 푸시하면 스택에 정상적으로 반영됩니다", () => {
const events = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "home",
}),
registeredEvent({
activityName: "sample2",
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "sample2",
eventDate: enoughPastTime(),
params: {},
}),
makeEvent("Pushed", {
activityId: "a2",
activityName: "home",
eventDate: enoughPastTime(),
params: {},
}),
];
const pushedEvent1 = events[3];
const pushedEvent2 = events[4];
const output = aggregate(events, nowTime());
expect(output).toStrictEqual({
activities: [
{
id: "a1",
name: "sample2",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent1,
},
{
id: "a2",
name: "home",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent2,
},
],
transitionDuration: 300,
globalTransitionState: "idle",
});
});
test("aggregate - 같은 activityName으로 두번 푸시하면 정상적으로 스택에 반영됩니다", () => {
const events = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "home",
}),
registeredEvent({
activityName: "sample2",
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "sample2",
eventDate: enoughPastTime(),
params: {},
}),
makeEvent("Pushed", {
activityId: "a2",
activityName: "sample2",
eventDate: enoughPastTime(),
params: {},
}),
];
const pushedEvent1 = events[3];
const pushedEvent2 = events[4];
const output = aggregate(events, nowTime());
expect(output).toStrictEqual({
activities: [
{
id: "a1",
name: "sample2",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent1,
},
{
id: "a2",
name: "sample2",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent2,
},
],
transitionDuration: 300,
globalTransitionState: "idle",
});
});
test("aggregate - 푸시한 직후에는 transition.state가 enter-active 입니다", () => {
const t = nowTime();
const events = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "sample",
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "sample",
eventDate: t,
params: {},
}),
];
const pushedEvent = events[2];
const output = aggregate(events, t);
expect(output).toStrictEqual({
activities: [
{
id: "a1",
name: "sample",
transitionState: "enter-active",
params: {},
pushedBy: pushedEvent,
},
],
transitionDuration: 300,
globalTransitionState: "loading",
});
});
test("aggregate - 현재 시간과 변화된 시간의 차가 InitializedEvent의 transitionDuration 보다 작다면 transition.state가 enter-active 입니다", () => {
const t = nowTime();
const events = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "sample",
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "sample",
eventDate: t - 150,
params: {},
}),
];
const pushedEvent = events[2];
const output = aggregate(events, t);
expect(output).toStrictEqual({
activities: [
{
id: "a1",
name: "sample",
transitionState: "enter-active",
params: {},
pushedBy: pushedEvent,
},
],
transitionDuration: 300,
globalTransitionState: "loading",
});
});
test("aggregate - 푸시한 이후 InitializedEvent에서 셋팅된 transitionDuration만큼 정확하게 지난 경우 transition.state가 enter-done 입니다", () => {
const t = nowTime();
const events = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "sample",
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "sample",
eventDate: t - 300,
params: {},
}),
];
const pushedEvent = events[2];
const output = aggregate(events, t);
expect(output).toStrictEqual({
activities: [
{
id: "a1",
name: "sample",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent,
},
],
transitionDuration: 300,
globalTransitionState: "idle",
});
});
test("aggregate - 여러번 푸시한 경우, transitionDuration 전에 푸시한 Activity의 transition.state는 enter-done, 그 이후 푸시한 Activity는 enter-active 입니다", () => {
const t = nowTime();
const events = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "sample",
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "sample",
eventDate: t - 350,
params: {},
}),
makeEvent("Pushed", {
activityId: "a2",
activityName: "sample",
eventDate: t - 150,
params: {},
}),
];
const pushedEvent1 = events[2];
const pushedEvent2 = events[3];
const output = aggregate(events, t);
expect(output).toStrictEqual({
activities: [
{
id: "a1",
name: "sample",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent1,
},
{
id: "a2",
name: "sample",
transitionState: "enter-active",
params: {},
pushedBy: pushedEvent2,
},
],
transitionDuration: 300,
globalTransitionState: "loading",
});
});
test("aggregate - Pop하면 최상단에 존재하는 Activity가 exit-done 상태가 됩니다", () => {
const events = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "home",
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "home",
eventDate: enoughPastTime(),
params: {},
}),
makeEvent("Pushed", {
activityId: "a2",
activityName: "home",
eventDate: enoughPastTime(),
params: {},
}),
makeEvent("Popped", {
eventDate: enoughPastTime(),
}),
];
const pushedEvent1 = events[2];
const pushedEvent2 = events[3];
const output = aggregate(events, nowTime());
expect(output).toStrictEqual({
activities: [
{
id: "a1",
name: "home",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent1,
},
{
id: "a2",
name: "home",
transitionState: "exit-done",
params: {},
pushedBy: pushedEvent2,
},
],
transitionDuration: 300,
globalTransitionState: "idle",
});
});
test("aggregate - Pop을 여러번하면 차례대로 exit-done 상태가 됩니다", () => {
const initEvents = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "home",
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "home",
eventDate: enoughPastTime(),
params: {},
}),
makeEvent("Pushed", {
activityId: "a2",
activityName: "home",
eventDate: enoughPastTime(),
params: {},
}),
makeEvent("Pushed", {
activityId: "a3",
activityName: "home",
eventDate: enoughPastTime(),
params: {},
}),
];
const pushedEvent1 = initEvents[2];
const pushedEvent2 = initEvents[3];
const pushedEvent3 = initEvents[4];
const o1 = aggregate(
[
...initEvents,
makeEvent("Popped", {
eventDate: enoughPastTime(),
}),
],
nowTime(),
);
expect(o1).toStrictEqual({
activities: [
{
id: "a1",
name: "home",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent1,
},
{
id: "a2",
name: "home",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent2,
},
{
id: "a3",
name: "home",
transitionState: "exit-done",
params: {},
pushedBy: pushedEvent3,
},
],
transitionDuration: 300,
globalTransitionState: "idle",
});
const o2 = aggregate(
[
...initEvents,
makeEvent("Popped", {
eventDate: enoughPastTime(),
}),
makeEvent("Popped", {
eventDate: enoughPastTime(),
}),
],
nowTime(),
);
expect(o2).toStrictEqual({
activities: [
{
id: "a1",
name: "home",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent1,
},
{
id: "a2",
name: "home",
transitionState: "exit-done",
params: {},
pushedBy: pushedEvent2,
},
{
id: "a3",
name: "home",
transitionState: "exit-done",
params: {},
pushedBy: pushedEvent3,
},
],
transitionDuration: 300,
globalTransitionState: "idle",
});
});
test("aggregate - 가장 바닥에 있는 Activity는 Pop 되지 않습니다", () => {
const initEvents = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "home",
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "home",
eventDate: enoughPastTime(),
params: {},
}),
makeEvent("Pushed", {
activityId: "a2",
activityName: "home",
eventDate: enoughPastTime(),
params: {},
}),
];
const pushedEvent1 = initEvents[2];
const pushedEvent2 = initEvents[3];
const output1 = aggregate(
[
...initEvents,
makeEvent("Popped", {
eventDate: enoughPastTime(),
}),
],
nowTime(),
);
expect(output1).toStrictEqual({
activities: [
{
id: "a1",
name: "home",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent1,
},
{
id: "a2",
name: "home",
transitionState: "exit-done",
params: {},
pushedBy: pushedEvent2,
},
],
transitionDuration: 300,
globalTransitionState: "idle",
});
const output2 = aggregate(
[
...initEvents,
makeEvent("Popped", {
eventDate: enoughPastTime(),
}),
makeEvent("Popped", {
eventDate: enoughPastTime(),
}),
],
nowTime(),
);
expect(output2).toStrictEqual({
activities: [
{
id: "a1",
name: "home",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent1,
},
{
id: "a2",
name: "home",
transitionState: "exit-done",
params: {},
pushedBy: pushedEvent2,
},
],
transitionDuration: 300,
globalTransitionState: "idle",
});
});
test("aggregate - transitionDuration 이전에 Pop을 한 경우 exit-active 상태입니다", () => {
const t = nowTime();
const events = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "home",
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "home",
eventDate: enoughPastTime(),
params: {},
}),
makeEvent("Pushed", {
activityId: "a2",
activityName: "home",
eventDate: enoughPastTime(),
params: {},
}),
makeEvent("Popped", {
eventDate: t - 150,
}),
];
const pushedEvent1 = events[2];
const pushedEvent2 = events[3];
const output = aggregate(events, t);
expect(output).toStrictEqual({
activities: [
{
id: "a1",
name: "home",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent1,
},
{
id: "a2",
name: "home",
transitionState: "exit-active",
params: {},
pushedBy: pushedEvent2,
},
],
transitionDuration: 300,
globalTransitionState: "loading",
});
});
test("aggregate - 이벤트가 중복되거나 순서가 섞여도 정상적으로 작동합니다", () => {
const e1 = initializedEvent({
transitionDuration: 300,
});
const e2 = registeredEvent({
activityName: "home",
});
const e3 = makeEvent("Pushed", {
activityId: "a1",
activityName: "home",
eventDate: enoughPastTime(),
params: {},
});
const e4 = makeEvent("Pushed", {
activityId: "a2",
activityName: "home",
eventDate: enoughPastTime(),
params: {},
});
const e5 = makeEvent("Popped", {
eventDate: enoughPastTime(),
});
const output = aggregate([e5, e1, e4, e3, e5, e1, e1, e2], nowTime());
expect(output).toStrictEqual({
activities: [
{
id: "a1",
name: "home",
transitionState: "enter-done",
params: {},
pushedBy: e3,
},
{
id: "a2",
name: "home",
transitionState: "exit-done",
params: {},
pushedBy: e4,
},
],
transitionDuration: 300,
globalTransitionState: "idle",
});
});
test("aggregate - 같은 activity.id로 푸시되는 경우, 기존에 푸시되어있던 액티비티를 재활용합니다", () => {
const t = nowTime();
const events = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "home",
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "home",
eventDate: enoughPastTime(),
params: {},
}),
makeEvent("Pushed", {
activityId: "a2",
activityName: "home",
eventDate: enoughPastTime(),
params: {},
}),
makeEvent("Pushed", {
activityId: "a3",
activityName: "home",
eventDate: enoughPastTime(),
params: {},
}),
makeEvent("Pushed", {
activityId: "a4",
activityName: "home",
eventDate: enoughPastTime(),
params: {},
}),
makeEvent("Popped", {
eventDate: enoughPastTime(),
}),
makeEvent("Popped", {
eventDate: enoughPastTime(),
}),
makeEvent("Popped", {
eventDate: enoughPastTime(),
}),
makeEvent("Pushed", {
activityId: "a2",
activityName: "home",
eventDate: t,
params: {},
}),
];
const pushedEvent1 = events[2];
const pushedEvent3 = events[4];
const pushedEvent4 = events[5];
const pushedEvent5 = events[9];
const output = aggregate(events, t);
expect(output).toStrictEqual({
activities: [
{
id: "a1",
name: "home",
transitionState: "enter-done",
params: {},
pushedBy: pushedEvent1,
},
{
id: "a2",
name: "home",
transitionState: "enter-active",
params: {},
pushedBy: pushedEvent5,
},
{
id: "a3",
name: "home",
transitionState: "exit-done",
params: {},
pushedBy: pushedEvent3,
},
{
id: "a4",
name: "home",
transitionState: "exit-done",
params: {},
pushedBy: pushedEvent4,
},
],
transitionDuration: 300,
globalTransitionState: "loading",
});
});
test("aggregate - PushedEvent에 params가 담겨있는 경우 액티비티에 해당 params가 포함됩니다", () => {
const t = nowTime();
const events = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "sample",
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "sample",
eventDate: t,
params: {
hello: "world",
},
}),
];
const pushedEvent = events[2];
const output = aggregate(events, t);
expect(output).toStrictEqual({
activities: [
{
id: "a1",
name: "sample",
transitionState: "enter-active",
params: {
hello: "world",
},
pushedBy: pushedEvent,
},
],
transitionDuration: 300,
globalTransitionState: "loading",
});
});
test("aggregate - ReplacedEvent가 발생한 직후 최상단의 Activity를 유지하면서 새 Activity가 추가됩니다", () => {
const t = nowTime();
const events = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "sample",
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "sample",
eventDate: enoughPastTime(),
params: {
hello: "world",
},
}),
makeEvent("Replaced", {
activityId: "a2",
activityName: "sample",
eventDate: t,
params: {
hello: "world",
},
}),
];
const pushedEvent = events[2];
const replacedEvent = events[3];
const output = aggregate(events, t);
expect(output).toStrictEqual({
activities: [
{
id: "a1",
name: "sample",
transitionState: "enter-done",
params: {
hello: "world",
},
pushedBy: pushedEvent,
},
{
id: "a2",
name: "sample",
transitionState: "enter-active",
params: {
hello: "world",
},
pushedBy: replacedEvent,
},
],
transitionDuration: 300,
globalTransitionState: "loading",
});
});
test("aggregate - ReplacedEvent가 발생한 후 transitionDuration만큼 지난 경우 기존 최상단 Activity의 상태를 exit-done으로 바꿉니다", () => {
const t = nowTime();
const events = [
initializedEvent({
transitionDuration: 300,
}),
registeredEvent({
activityName: "sample",
}),
makeEvent("Pushed", {
activityId: "a1",
activityName: "sample",
eventDate: enoughPastTime(),
params: {
hello: "world",
},
}),