Diffusion Ant (mir/inline-method) Code

ant/tests/test_fs_error_messages.cjs
3fa05edd2fe3mir/inline-method

test_fs_error_messages.cjs
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			const fs = require('node:fs');

			function assert(condition, message) {
			if (!condition) throw new Error(message);
			}

			function expectThrow(fn, label) {
			try {
			fn();
			} catch (error) {
			return error;
			}
			throw new Error(`${label} did not throw`);
			}

			const missingPath = 'tests/.fs_missing_file';
			const renameDest = `${missingPath}.renamed`;

			const readError = expectThrow(() => fs.readFileSync(missingPath, 'utf8'), 'readFileSync');
			assert(readError.code === 'ENOENT', `expected readFileSync code ENOENT, got ${readError.code}`);
			assert(readError.syscall === 'open', `expected readFileSync syscall open, got ${readError.syscall}`);
			assert(readError.path === missingPath, `expected readFileSync path ${missingPath}, got ${readError.path}`);
			assert(readError.message === `ENOENT: no such file or directory, open '${missingPath}'`, `unexpected readFileSync message: ${readError.message}`);

			const renameError = expectThrow(() => fs.renameSync(missingPath, renameDest), 'renameSync');
			assert(renameError.code === 'ENOENT', `expected renameSync code ENOENT, got ${renameError.code}`);
			assert(renameError.syscall === 'rename', `expected renameSync syscall rename, got ${renameError.syscall}`);
			assert(renameError.path === missingPath, `expected renameSync path ${missingPath}, got ${renameError.path}`);
			assert(renameError.dest === renameDest, `expected renameSync dest ${renameDest}, got ${renameError.dest}`);
			assert(
			renameError.message === `ENOENT: no such file or directory, rename '${missingPath}' -> '${renameDest}'`,
			`unexpected renameSync message: ${renameError.message}`
			);

			console.log('fs error message test passed');

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