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* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { describe, it, expect } from 'vitest';
import {
extensionUpdatesReducer,
type ExtensionUpdatesState,
ExtensionUpdateState,
initialExtensionUpdatesState,
} from './extensions.js';
describe('extensionUpdatesReducer', () => {
describe('SET_STATE', () => {
it.each([
ExtensionUpdateState.UPDATE_AVAILABLE,
ExtensionUpdateState.UPDATED,
ExtensionUpdateState.ERROR,
])('should handle SET_STATE action for state: %s', (state) => {
const action = {
type: 'SET_STATE' as const,
payload: { name: 'ext1', state },
};
const newState = extensionUpdatesReducer(
initialExtensionUpdatesState,
action,
);
expect(newState.extensionStatuses.get('ext1')).toEqual({
status: state,
notified: false,
});
});
it('should not update state if SET_STATE payload is identical to existing state', () => {
const initialState: ExtensionUpdatesState = {
...initialExtensionUpdatesState,
extensionStatuses: new Map([
[
'ext1',
{
status: ExtensionUpdateState.UPDATE_AVAILABLE,
notified: false,
},
],
]),
};
const action = {
type: 'SET_STATE' as const,
payload: { name: 'ext1', state: ExtensionUpdateState.UPDATE_AVAILABLE },
};
const newState = extensionUpdatesReducer(initialState, action);
expect(newState).toBe(initialState);
});
});
describe('SET_NOTIFIED', () => {
it.each([true, false])(
'should handle SET_NOTIFIED action with notified: %s',
(notified) => {
const initialState: ExtensionUpdatesState = {
...initialExtensionUpdatesState,
extensionStatuses: new Map([
[
'ext1',
{
status: ExtensionUpdateState.UPDATE_AVAILABLE,
notified: !notified,
},
],
]),
};
const action = {
type: 'SET_NOTIFIED' as const,
payload: { name: 'ext1', notified },
};
const newState = extensionUpdatesReducer(initialState, action);
expect(newState.extensionStatuses.get('ext1')).toEqual({
status: ExtensionUpdateState.UPDATE_AVAILABLE,
notified,
});
},
);
it('should not update state if SET_NOTIFIED payload is identical to existing state', () => {
const initialState: ExtensionUpdatesState = {
...initialExtensionUpdatesState,
extensionStatuses: new Map([
[
'ext1',
{
status: ExtensionUpdateState.UPDATE_AVAILABLE,
notified: true,
},
],
]),
};
const action = {
type: 'SET_NOTIFIED' as const,
payload: { name: 'ext1', notified: true },
};
const newState = extensionUpdatesReducer(initialState, action);
expect(newState).toBe(initialState);
});
it('should ignore SET_NOTIFIED if extension does not exist', () => {
const action = {
type: 'SET_NOTIFIED' as const,
payload: { name: 'non-existent', notified: true },
};
const newState = extensionUpdatesReducer(
initialExtensionUpdatesState,
action,
);
expect(newState).toBe(initialExtensionUpdatesState);
});
});
describe('Batch Checks', () => {
it('should handle BATCH_CHECK_START action', () => {
const action = { type: 'BATCH_CHECK_START' as const };
const newState = extensionUpdatesReducer(
initialExtensionUpdatesState,
action,
);
expect(newState.batchChecksInProgress).toBe(1);
});
it('should handle BATCH_CHECK_END action', () => {
const initialState = {
...initialExtensionUpdatesState,
batchChecksInProgress: 1,
};
const action = { type: 'BATCH_CHECK_END' as const };
const newState = extensionUpdatesReducer(initialState, action);
expect(newState.batchChecksInProgress).toBe(0);
});
});
describe('Scheduled Updates', () => {
it('should handle SCHEDULE_UPDATE action', () => {
const callback = () => {};
const action = {
type: 'SCHEDULE_UPDATE' as const,
payload: {
names: ['ext1'],
all: false,
onComplete: callback,
},
};
const newState = extensionUpdatesReducer(
initialExtensionUpdatesState,
action,
);
expect(newState.scheduledUpdate).toEqual({
names: ['ext1'],
all: false,
onCompleteCallbacks: [callback],
});
});
it('should merge SCHEDULE_UPDATE with existing scheduled update', () => {
const callback1 = () => {};
const callback2 = () => {};
const initialState: ExtensionUpdatesState = {
...initialExtensionUpdatesState,
scheduledUpdate: {
names: ['ext1'],
all: false,
onCompleteCallbacks: [callback1],
},
};
const action = {
type: 'SCHEDULE_UPDATE' as const,
payload: {
names: ['ext2'],
all: true,
onComplete: callback2,
},
};
const newState = extensionUpdatesReducer(initialState, action);
expect(newState.scheduledUpdate).toEqual({
names: ['ext1', 'ext2'],
all: true, // Should be true if any update is all: true
onCompleteCallbacks: [callback1, callback2],
});
});
it('should handle CLEAR_SCHEDULED_UPDATE action', () => {
const initialState: ExtensionUpdatesState = {
...initialExtensionUpdatesState,
scheduledUpdate: {
names: ['ext1'],
all: false,
onCompleteCallbacks: [],
},
};
const action = { type: 'CLEAR_SCHEDULED_UPDATE' as const };
const newState = extensionUpdatesReducer(initialState, action);
expect(newState.scheduledUpdate).toBeNull();
});
});
describe('RESTARTED', () => {
it('should handle RESTARTED action', () => {
const initialState: ExtensionUpdatesState = {
...initialExtensionUpdatesState,
extensionStatuses: new Map([
[
'ext1',
{
status: ExtensionUpdateState.UPDATED_NEEDS_RESTART,
notified: true,
},
],
]),
};
const action = {
type: 'RESTARTED' as const,
payload: { name: 'ext1' },
};
const newState = extensionUpdatesReducer(initialState, action);
expect(newState.extensionStatuses.get('ext1')).toEqual({
status: ExtensionUpdateState.UPDATED,
notified: true,
});
});
it('should not change state for RESTARTED action if status is not UPDATED_NEEDS_RESTART', () => {
const initialState: ExtensionUpdatesState = {
...initialExtensionUpdatesState,
extensionStatuses: new Map([
[
'ext1',
{
status: ExtensionUpdateState.UPDATED,
notified: true,
},
],
]),
};
const action = {
type: 'RESTARTED' as const,
payload: { name: 'ext1' },
};
const newState = extensionUpdatesReducer(initialState, action);
expect(newState).toBe(initialState);
});
});
});
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