MCP: multi-line --text goes to the CLI as --from-text <temp file> (console_verify kept only the first line on Windows); long JSON output keeps its start and names a file with the whole output (console_plan lost its start URL); test, pitfall 100

tests/mcp-text-file.test.ts

@@ -0,0 +1,24 @@
+// MCP calls: multi-line page text reaches the CLI whole (pitfall 100), long JSON output keeps its start.
+import { describe, expect, test } from 'bun:test';
+import { readFileSync } from 'node:fs';
+import { clip, textToFile } from '../cli/mcp';
+
+describe('mcp argv and output', () => {
+  test('a multi-line --text= becomes --from-text <file> with the whole text', () => {
+    const page = 'App Privacy\nData Types\nCrash Data\r\nUsed for App Functionality\nPublished a few seconds ago';
+    const argv = textToFile(['console', 'verify', 'apple-app-privacy', `--text=${page}`, '--json']);
+    expect(argv.slice(0, 4)).toEqual(['console', 'verify', 'apple-app-privacy', '--from-text']);
+    expect(argv.some(a => /[\r\n]/.test(a))).toBe(false);
+    expect(readFileSync(argv[4]!, 'utf8')).toBe(page);
+    expect(textToFile(['console', 'verify', 'x', '--text=one line'])).toEqual(['console', 'verify', 'x', '--text=one line']);
+  });
+  test('long JSON keeps its start, long text its end; both name the full file', () => {
+    const json = `{"startUrl":"https://example.com/start",${'"x":1,'.repeat(50)}"end":true}`;
+    const j = clip(json, true, 40);
+    expect(j.startsWith('{"startUrl":"https://example.com/start"')).toBe(true);
+    const file = /the whole output: (.+)\]$/.exec(j)![1]!;
+    expect(readFileSync(file, 'utf8')).toBe(json);
+    expect(clip('a'.repeat(100) + 'ERROR at the end', false, 20).endsWith('ERROR at the end')).toBe(true);
+    expect(clip('short', true, 40)).toBe('short');
+  });
+});