d6999c21bf
Adds an MCP tool the LLM can call to ground modifying calls in what the user is currently looking at in the phobiCS-tui browser. Backed by readSelection() from src/state-read.ts. defaultStateFilePath() is intentionally duplicated from src/tui/shared/state-paths.ts: the TUI subpackage is ESM and the MCP server is CJS, so a cross-import would force one or the other to change module systems for ~15 lines of code that almost never changes.
54 lines
1.7 KiB
TypeScript
54 lines
1.7 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import * as fs from 'fs/promises';
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import * as path from 'path';
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import * as os from 'os';
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import { buildGetUserSelectionResponse } from '../../src/server';
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async function tmpFile(content: string): Promise<string> {
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const dir = await fs.mkdtemp(path.join(os.tmpdir(), 'phobics-tool-'));
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const f = path.join(dir, 'tui-state.json');
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await fs.writeFile(f, content, 'utf8');
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return f;
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}
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const fresh = () =>
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JSON.stringify({
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version: 1,
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updated_at: new Date().toISOString(),
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project_dir: '/p',
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device: 'D1',
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selection: {
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kind: 'FB',
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name: 'FB_Test',
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path: 'a/FB_Test.st',
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abs_path: '/abs/a/FB_Test.st',
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},
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viewer_line: 12,
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});
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describe('buildGetUserSelectionResponse', () => {
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it('returns a structured payload for a fresh state file', async () => {
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const f = await tmpFile(fresh());
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const res = await buildGetUserSelectionResponse(f);
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expect(res.isError).toBeFalsy();
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expect(res.content[0].text).toContain('FB_Test');
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expect(res.content[0].text).toContain('D1');
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});
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it('returns "no active selection" text when state file is missing', async () => {
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const res = await buildGetUserSelectionResponse('/nonexistent.json');
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expect(res.isError).toBeFalsy();
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expect(res.content[0].text).toMatch(/no active selection/i);
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});
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it('returns "no active selection" text when state is stale', async () => {
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const old = JSON.stringify({
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...JSON.parse(fresh()),
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updated_at: new Date(Date.now() - 120_000).toISOString(),
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});
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const f = await tmpFile(old);
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const res = await buildGetUserSelectionResponse(f);
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expect(res.isError).toBeFalsy();
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expect(res.content[0].text).toMatch(/no active selection/i);
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});
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});
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