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more tests

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This commit is contained in:
Niels Lyngsø
2023-03-16 09:58:33 +01:00
parent 3c9aef06ad
commit 8e8403fda9
1 changed files with 67 additions and 43 deletions
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110
src/Umbraco.Web.UI.Client/libs/observable-api/array-state.test.ts
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@@ -2,8 +2,7 @@ import { expect } from '@open-wc/testing';
import { ArrayState } from './array-state';
describe('ArrayState', () => {
type ObjectType = {key: string, another: string};
type ObjectType = { key: string; another: string };
type ArrayType = ObjectType[];
let subject: ArrayState<ObjectType>;
@@ -11,29 +10,30 @@ describe('ArrayState', () => {
beforeEach(() => {
initialData = [
{key: '1', another: 'myValue1'},
{key: '2', another: 'myValue2'},
{key: '3', another: 'myValue3'}
{ key: '1', another: 'myValue1' },
{ key: '2', another: 'myValue2' },
{ key: '3', another: 'myValue3' },
];
subject = new ArrayState(initialData, x => x.key);
subject = new ArrayState(initialData, (x) => x.key);
});
it('replays latests, no matter the amount of subscriptions.', (done) => {
let amountOfCallbacks = 0;
const observer = subject.asObservable();
observer.subscribe((value) => {
amountOfCallbacks++;
expect(value).to.be.equal(initialData);
});
observer.subscribe((value) => {
amountOfCallbacks++;
expect(value).to.be.equal(initialData);
done();
if (amountOfCallbacks === 2) {
done();
}
});
});
it('remove method, removes the one with the key', (done) => {
const expectedData = [initialData[0], initialData[2]];
subject.remove(['2']);
@@ -42,25 +42,21 @@ describe('ArrayState', () => {
expect(JSON.stringify(value)).to.be.equal(JSON.stringify(expectedData));
done();
});
});
it('filter method, removes anything that is not true of the given predicate method', (done) => {
const expectedData = [initialData[0], initialData[2]];
subject.filter(x => x.key !== '2');
subject.filter((x) => x.key !== '2');
const observer = subject.asObservable();
observer.subscribe((value) => {
expect(JSON.stringify(value)).to.be.equal(JSON.stringify(expectedData));
done();
});
});
it('add new item via appendOne method.', (done) => {
const newItem = {key: '4', another: 'myValue4'};
const newItem = { key: '4', another: 'myValue4' };
subject.appendOne(newItem);
const expectedData = [...initialData, newItem];
@@ -71,37 +67,31 @@ describe('ArrayState', () => {
expect(value[3].another).to.be.equal(expectedData[3].another);
done();
});
});
it('getObservablePart for a specific entry of array', (done) => {
const subObserver = subject.getObservablePart(data => data.find(x => x.key === '2'));
const subObserver = subject.getObservablePart((data) => data.find((x) => x.key === '2'));
subObserver.subscribe((entry) => {
if(entry) {
if (entry) {
expect(entry.another).to.be.equal(initialData[1].another);
done();
}
});
});
it('getObservablePart returns undefined if item does not exist', (done) => {
let amountOfCallbacks = 0;
const newItem = {key: '4', another: 'myValue4'};
const newItem = { key: '4', another: 'myValue4' };
const subObserver = subject.getObservablePart(data => data.find(x => x.key === newItem.key));
const subObserver = subject.getObservablePart((data) => data.find((x) => x.key === newItem.key));
subObserver.subscribe((entry) => {
amountOfCallbacks++;
if(amountOfCallbacks === 1) {
expect(entry).to.be.equal(undefined);// First callback should give null, cause we didn't have this entry when the subscription was made.
if (amountOfCallbacks === 1) {
expect(entry).to.be.equal(undefined); // First callback should give null, cause we didn't have this entry when the subscription was made.
}
if(amountOfCallbacks === 2) {
expect(entry).to.be.equal(newItem);// Second callback should give us the right data:
if(entry) {
if (amountOfCallbacks === 2) {
expect(entry).to.be.equal(newItem); // Second callback should give us the right data:
if (entry) {
expect(entry.another).to.be.equal(newItem.another);
done();
}
@@ -109,13 +99,10 @@ describe('ArrayState', () => {
});
subject.appendOne(newItem);
});
it('asObservable returns the replaced item', (done) => {
const newItem = {key: '2', another: 'myValue4'};
const newItem = { key: '2', another: 'myValue4' };
subject.appendOne(newItem);
const expectedData = [initialData[0], newItem, initialData[2]];
@@ -126,24 +113,61 @@ describe('ArrayState', () => {
expect(value[1].another).to.be.equal(newItem.another);
done();
});
});
it('getObservablePart returns the replaced item', (done) => {
const newItem = {key: '2', another: 'myValue4'};
const newItem = { key: '2', another: 'myValue4' };
subject.appendOne(newItem);
const subObserver = subject.getObservablePart(data => data.find(x => x.key === newItem.key));
const subObserver = subject.getObservablePart((data) => data.find((x) => x.key === newItem.key));
subObserver.subscribe((entry) => {
expect(entry).to.be.equal(newItem);// Second callback should give us the right data:
if(entry) {
expect(entry).to.be.equal(newItem); // Second callback should give us the right data:
if (entry) {
expect(entry.another).to.be.equal(newItem.another);
done();
}
});
});
it('getObservablePart replays existing data to any amount of subscribers.', (done) => {
let amountOfCallbacks = 0;
const subObserver = subject.getObservablePart((data) => data.find((x) => x.key === '2'));
subObserver.subscribe((entry) => {
if (entry) {
amountOfCallbacks++;
expect(entry.another).to.be.equal(initialData[1].another);
}
});
subObserver.subscribe((entry) => {
if (entry) {
amountOfCallbacks++;
expect(entry.another).to.be.equal(initialData[1].another);
if (amountOfCallbacks === 2) {
done();
}
}
});
});
it('getObservablePart replays existing data to any amount of subscribers.', (done) => {
let amountOfCallbacks = 0;
const subObserver = subject.getObservablePart((data) => data.find((x) => x.key === '2'));
subObserver.subscribe((entry) => {
if (entry) {
amountOfCallbacks++;
expect(entry.another).to.be.equal(initialData[1].another);
}
});
subObserver.subscribe((entry) => {
if (entry) {
amountOfCallbacks++;
expect(entry.another).to.be.equal(initialData[1].another);
if (amountOfCallbacks === 2) {
done();
}
}
});
});
});