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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { describe, it, expect, beforeEach, vi } from 'vitest';
import { createIdeContextStore } from './ideContext.js';
describe('ideContext - Active File', () => {
let ideContext: ReturnType<typeof createIdeContextStore>;
beforeEach(() => {
// Create a fresh, isolated instance for each test
ideContext = createIdeContextStore();
});
it('should return undefined initially for active file context', () => {
expect(ideContext.getActiveFileContext()).toBeUndefined();
});
it('should set and retrieve the active file context', () => {
const testFile = {
filePath: '/path/to/test/file.ts',
cursor: { line: 5, character: 10 },
};
ideContext.setActiveFileContext(testFile);
const activeFile = ideContext.getActiveFileContext();
expect(activeFile).toEqual(testFile);
});
it('should update the active file context when called multiple times', () => {
const firstFile = {
filePath: '/path/to/first.js',
cursor: { line: 1, character: 1 },
};
ideContext.setActiveFileContext(firstFile);
const secondFile = {
filePath: '/path/to/second.py',
cursor: { line: 20, character: 30 },
};
ideContext.setActiveFileContext(secondFile);
const activeFile = ideContext.getActiveFileContext();
expect(activeFile).toEqual(secondFile);
});
it('should handle empty string for file path', () => {
const testFile = {
filePath: '',
cursor: { line: 0, character: 0 },
};
ideContext.setActiveFileContext(testFile);
expect(ideContext.getActiveFileContext()).toEqual(testFile);
});
it('should notify subscribers when active file context changes', () => {
const subscriber1 = vi.fn();
const subscriber2 = vi.fn();
ideContext.subscribeToActiveFile(subscriber1);
ideContext.subscribeToActiveFile(subscriber2);
const testFile = {
filePath: '/path/to/subscribed.ts',
cursor: { line: 15, character: 25 },
};
ideContext.setActiveFileContext(testFile);
expect(subscriber1).toHaveBeenCalledTimes(1);
expect(subscriber1).toHaveBeenCalledWith(testFile);
expect(subscriber2).toHaveBeenCalledTimes(1);
expect(subscriber2).toHaveBeenCalledWith(testFile);
// Test with another update
const newFile = {
filePath: '/path/to/new.js',
cursor: { line: 1, character: 1 },
};
ideContext.setActiveFileContext(newFile);
expect(subscriber1).toHaveBeenCalledTimes(2);
expect(subscriber1).toHaveBeenCalledWith(newFile);
expect(subscriber2).toHaveBeenCalledTimes(2);
expect(subscriber2).toHaveBeenCalledWith(newFile);
});
it('should stop notifying a subscriber after unsubscribe', () => {
const subscriber1 = vi.fn();
const subscriber2 = vi.fn();
const unsubscribe1 = ideContext.subscribeToActiveFile(subscriber1);
ideContext.subscribeToActiveFile(subscriber2);
ideContext.setActiveFileContext({
filePath: '/path/to/file1.txt',
cursor: { line: 1, character: 1 },
});
expect(subscriber1).toHaveBeenCalledTimes(1);
expect(subscriber2).toHaveBeenCalledTimes(1);
unsubscribe1();
ideContext.setActiveFileContext({
filePath: '/path/to/file2.txt',
cursor: { line: 2, character: 2 },
});
expect(subscriber1).toHaveBeenCalledTimes(1); // Should not be called again
expect(subscriber2).toHaveBeenCalledTimes(2);
});
it('should allow the cursor to be optional', () => {
const testFile = {
filePath: '/path/to/test/file.ts',
};
ideContext.setActiveFileContext(testFile);
const activeFile = ideContext.getActiveFileContext();
expect(activeFile).toEqual(testFile);
});
it('should clear the active file context', () => {
const testFile = {
filePath: '/path/to/test/file.ts',
cursor: { line: 5, character: 10 },
};
ideContext.setActiveFileContext(testFile);
expect(ideContext.getActiveFileContext()).toEqual(testFile);
ideContext.clearActiveFileContext();
expect(ideContext.getActiveFileContext()).toBeUndefined();
});
});
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