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'use strict';
const common = require('../common');
const fixtures = require('../common/fixtures');
const assert = require('assert');
const path = require('path');
const fs = require('fs');
const { COPYFILE_FICLONE } = fs.constants;
const child_process = require('child_process');
const pkgName = 'foo';
const { addLibraryPath } = require('../common/shared-lib-util');
addLibraryPath(process.env);
if (process.argv[2] === 'child') {
console.log(require(pkgName).string);
} else {
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
// Copy node binary into a test $PREFIX directory.
const prefixPath = path.join(tmpdir.path, 'install');
fs.mkdirSync(prefixPath);
let testExecPath;
if (common.isWindows) {
testExecPath = path.join(prefixPath, path.basename(process.execPath));
} else {
const prefixBinPath = path.join(prefixPath, 'bin');
fs.mkdirSync(prefixBinPath);
testExecPath = path.join(prefixBinPath, path.basename(process.execPath));
}
const mode = fs.statSync(process.execPath).mode;
fs.copyFileSync(process.execPath, testExecPath, COPYFILE_FICLONE);
fs.chmodSync(testExecPath, mode);
const runTest = (expectedString, env) => {
const child = child_process.execFileSync(testExecPath,
[ __filename, 'child' ],
{ encoding: 'utf8', env: env });
assert.strictEqual(child.trim(), expectedString);
};
const testFixturesDir = fixtures.path(path.basename(__filename, '.js'));
const env = Object.assign({}, process.env);
// Unset NODE_PATH.
delete env.NODE_PATH;
// Test empty global path.
const noPkgHomeDir = path.join(tmpdir.path, 'home-no-pkg');
fs.mkdirSync(noPkgHomeDir);
env.HOME = env.USERPROFILE = noPkgHomeDir;
assert.throws(
() => {
child_process.execFileSync(testExecPath, [ __filename, 'child' ],
{ encoding: 'utf8', env: env });
},
new RegExp(`Cannot find module '${pkgName}'`));
// Test module in $HOME/.node_modules.
const modHomeDir = path.join(testFixturesDir, 'home-pkg-in-node_modules');
env.HOME = env.USERPROFILE = modHomeDir;
runTest('$HOME/.node_modules', env);
// Test module in $HOME/.node_libraries.
const libHomeDir = path.join(testFixturesDir, 'home-pkg-in-node_libraries');
env.HOME = env.USERPROFILE = libHomeDir;
runTest('$HOME/.node_libraries', env);
// Test module both $HOME/.node_modules and $HOME/.node_libraries.
const bothHomeDir = path.join(testFixturesDir, 'home-pkg-in-both');
env.HOME = env.USERPROFILE = bothHomeDir;
runTest('$HOME/.node_modules', env);
// Test module in $PREFIX/lib/node.
// Write module into $PREFIX/lib/node.
const expectedString = '$PREFIX/lib/node';
const prefixLibPath = path.join(prefixPath, 'lib');
fs.mkdirSync(prefixLibPath);
const prefixLibNodePath = path.join(prefixLibPath, 'node');
fs.mkdirSync(prefixLibNodePath);
const pkgPath = path.join(prefixLibNodePath, `${pkgName}.js`);
fs.writeFileSync(pkgPath, `exports.string = '${expectedString}';`);
env.HOME = env.USERPROFILE = noPkgHomeDir;
runTest(expectedString, env);
// Test module in all global folders.
env.HOME = env.USERPROFILE = bothHomeDir;
runTest('$HOME/.node_modules', env);
// Test module in NODE_PATH is loaded ahead of global folders.
env.HOME = env.USERPROFILE = bothHomeDir;
env.NODE_PATH = path.join(testFixturesDir, 'node_path');
runTest('$NODE_PATH', env);
// Test module in local folder is loaded ahead of global folders.
const localDir = path.join(testFixturesDir, 'local-pkg');
env.HOME = env.USERPROFILE = bothHomeDir;
env.NODE_PATH = path.join(testFixturesDir, 'node_path');
const child = child_process.execFileSync(testExecPath,
[ path.join(localDir, 'test.js') ],
{ encoding: 'utf8', env: env });
assert.strictEqual(child.trim(), 'local');
}
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