Fixed store unit tests

This commit is contained in:
Alex Piqueras 2024-10-11 01:33:51 +02:00
parent 1749249c1c
commit 4b59deb916
2 changed files with 137 additions and 69 deletions

View File

@ -13,7 +13,7 @@ export default class Store {
};
this.callbacks = [() => console.log(this.state)];
Object.values(this.constructor.actions).forEach(action => document.addEventListener(action, this.eventHandler.bind(this), false));
Object.values(this.constructor.actions).forEach(action => document.addEventListener(action, this.#eventHandler.bind(this), false));
}
subscribe(callback) {
@ -30,7 +30,7 @@ export default class Store {
document.dispatchEvent(event);
}
eventHandler(event) {
#eventHandler(event) {
if (!Object.values(this.constructor.actions).includes(event.type)) {
console.error(`Action "${event.type}" is not valid`);
return;
@ -48,6 +48,10 @@ export default class Store {
};
break;
case this.constructor.actions.REMOVE_LINE:
if (this.state.selected.length === 0) {
// Nothing to delete
break;
}
this.state = {
...this.state,
records: [ ...this.state.records, {

View File

@ -8,87 +8,124 @@ export default class StoreTest {
test() {
(() => {
let called = false
const store = new Store(() => called = true);
const callback = () => called = true;
const store = new Store();
const event = new Event('addLine');
store.eventHandler(event);
store.subscribe(callback);
Store.publish(Store.actions.ADD_LINE);
this.assert("eventHandler calls the callback after successfull event", called, true);
this.assert("Subscribed callback is run after a successfull publish action", called, true);
})();
(() => {
const store = new Store(() => {});
store.records = [
const store = new Store();
store.state = {
records: [
{id: 0, text: "asdf", action: 'add'},
{id: 1, text: "qwer", action: 'add'},
],
selected: [0],
};
Store.publish('WRONG');
const expected = {
records: [
{id: 0, text: "asdf", action: 'add'},
{id: 1, text: "qwer", action: 'add'},
],
selected: [0],
};
this.assert("Publish with unknown action does nothing", store.state, expected);
})();
(() => {
const store = new Store();
Store.publish(Store.actions.ADD_LINE);
const expected = [
{id: 0, text: "asdf", action: 'add'},
];
this.assert("Publishing action ADD_LINE adds a line to the records", store.state.records, expected);
})();
(() => {
const store = new Store();
store.state = {
records: [
{id: 0, text: "asdf", action: 'add'},
],
selected: [],
};
Store.publish(Store.actions.REMOVE_LINE);
const expected = [
{id: 0, text: "asdf", action: 'add'},
];
this.assert("Publish action REMOVE_LINE without selected in the state does nothing", store.state.records, expected);
})();
(() => {
const store = new Store();
store.state = {
records: [
{id: 0, text: "asdf", action: 'add'},
],
selected: [0],
};
Store.publish(Store.actions.REMOVE_LINE);
const expected = [
{id: 0, text: "asdf", action: 'add'},
{id: 1, targetIds: [0], action: 'remove'},
];
this.assert("Publish action REMOVE_LINE with one selected id in the state creates a remove record", store.state.records, expected);
this.assert("Selected status is reset after REMOVE_LINE action", store.state.selected, []);
})();
(() => {
const store = new Store();
store.state.records = [
{id: 0, text: "asdf", action: 'add'},
{id: 1, text: "qwer", action: 'add'},
{id: 2, action: 'remove'},
]
const event = new Event('unknown');
store.eventHandler(event);
const expected = [
{id: 0, text: "asdf", action: 'add'},
{id: 1, text: "qwer", action: 'add'},
{id: 2, action: 'remove'},
];
this.assert("eventHandler does nothing on an unknown event type", store.records, expected);
})();
(() => {
const store = new Store(() => {});
const event = new Event('addLine');
store.eventHandler(event);
const expected = [
{id: 0, text: "asdf", action: 'add'},
];
this.assert("eventHandler adds the appropiate record when Event 'addLine' is passed", store.records, expected);
})();
(() => {
const store = new Store(() => {});
store.records = [
{id: 0, text: "asdf", action: 'add'},
]
const event = new Event('removeLine');
store.eventHandler(event);
const expected = [
{id: 0, text: "asdf", action: 'add'},
{id: 1, action: 'remove'},
];
this.assert("eventHandler adds the appropiate record when Event 'removeLine' is passed", store.records, expected);
})();
(() => {
const store = new Store(() => {});
store.records = [
{id: 0, text: "asdf", action: 'add'},
{id: 1, text: "qwer", action: 'add'},
{id: 2, action: 'remove'},
]
const event = new Event('undo');
store.eventHandler(event);
Store.publish(Store.actions.UNDO);
const expected = [
{id: 0, text: "asdf", action: 'add'},
{id: 1, text: "qwer", action: 'add'},
];
this.assert("eventHandler deletes the appropiate record when Event 'undo' is passed", store.records, expected);
this.assert("Publish action UNDO removes last record", store.state.records, expected);
})();
(() => {
const store = new Store(() => {});
store.records = [
(() => {
const store = new Store();
store.state.selected = [0]
Store.publish(Store.actions.SELECTED, [1, 3]);
const expected = [1, 3];
this.assert("Publish action SELECTED updates the array of selected ids", store.state.records, expected);
})();
(() => {
const store = new Store();
store.state.records = [
{id: 0, text: "Line 1", action: 'add'},
{id: 1, text: "Line 2", action: 'add'},
{id: 2, text: "Line 3", action: 'add'},
@ -100,17 +137,17 @@ export default class StoreTest {
{id: 2, text: "Line 3"},
];
this.assert("getState returns an array of strings with 3 add records", store.getState(), expected);
this.assert("getRecords() returns an array of strings with 3 add records", store.getRecords(), expected);
})();
(() => {
const store = new Store(() => {});
const store = new Store();
store.records = [
store.state.records = [
{id: 0, text: "Line 1", action: 'add'},
{id: 1, text: "Line 2", action: 'add'},
{id: 2, text: "Line 3", action: 'add'},
{id: 3, targetId: 1, action: 'remove'},
{id: 3, targetIds: [1], action: 'remove'},
];
const expected = [
@ -118,7 +155,34 @@ export default class StoreTest {
{id: 2, text: "Line 3"},
];
this.assert("getState returns an array of strings with 3 add records and a delete record", store.getState(), expected);
this.assert("getRecords() returns an array of 2 strings with 3 add records and a delete record with 1 id", store.getRecords(), expected);
})();
(() => {
const store = new Store();
store.state.records = [
{id: 0, text: "Line 1", action: 'add'},
{id: 1, text: "Line 2", action: 'add'},
{id: 2, text: "Line 3", action: 'add'},
{id: 3, targetIds: [0, 1], action: 'remove'},
];
const expected = [
{id: 2, text: "Line 3"},
];
this.assert("getRecords() returns an array of 1 string with 3 add records and a delete record with 2 ids", store.getRecords(), expected);
})();
(() => {
const store = new Store();
store.state.selected = [0, 1];
const expected = [0, 1];
this.assert("getSelected() returns an array of ids representing the selected items", store.getSelected(), expected);
})();
}
}