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test-module-_stat.js
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test-module-_stat.js
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'use strict';
require('../common');
// This tests Module._stat.
const Module = require('module');
const path = require('path');
const tmpdir = require('../common/tmpdir');
const { mkdirSync, writeFileSync } = require('fs');
const { strictEqual } = require('assert');
const doesNotExist = path.join(tmpdir.path, 'does-not-exist');
const file = path.join(tmpdir.path, 'file');
const directory = path.join(tmpdir.path, 'directory');
tmpdir.refresh();
writeFileSync(file, '');
mkdirSync(directory);
strictEqual(Module._stat(directory), 1);
strictEqual(Module._stat(file), 0);
strictEqual(Module._stat(doesNotExist), -2);
const vfsDoesNotExist = path.join(process.execPath, 'does-not-exist');
const vfsFile = path.join(process.execPath, 'file');
const vfsDirectory = path.join(process.execPath, 'directory');
strictEqual(Module._stat(vfsDoesNotExist), -20);
strictEqual(Module._stat(vfsFile), -20);
strictEqual(Module._stat(vfsDirectory), -20);
const originalStat = Module._stat;
Module._stat = function(filename) {
if (!filename.startsWith(process.execPath)) {
return originalStat(filename);
}
switch (filename) {
case vfsDoesNotExist:
return -2;
case vfsFile:
return 1;
case vfsDirectory:
return 2;
}
};
strictEqual(Module._stat(directory), 1);
strictEqual(Module._stat(file), 0);
strictEqual(Module._stat(doesNotExist), -2);
strictEqual(Module._stat(vfsDoesNotExist), -2);
strictEqual(Module._stat(vfsFile), 1);
strictEqual(Module._stat(vfsDirectory), 2);