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| Current File : //proc/self/root/home/ubuntu/node-v16.18.1/test/parallel/test-repl-tab-complete-import.js |
'use strict';
const common = require('../common');
const ArrayStream = require('../common/arraystream');
const fixtures = require('../common/fixtures');
const assert = require('assert');
const { builtinModules } = require('module');
const publicModules = builtinModules.filter((lib) => !lib.startsWith('_'));
if (!common.isMainThread)
common.skip('process.chdir is not available in Workers');
// We have to change the directory to ../fixtures before requiring repl
// in order to make the tests for completion of node_modules work properly
// since repl modifies module.paths.
process.chdir(fixtures.fixturesDir);
const repl = require('repl');
const putIn = new ArrayStream();
const testMe = repl.start({
prompt: '',
input: putIn,
output: process.stdout,
allowBlockingCompletions: true
});
// Some errors are passed to the domain, but do not callback
testMe._domain.on('error', assert.ifError);
// Tab complete provides built in libs for import()
testMe.complete('import(\'', common.mustCall((error, data) => {
assert.strictEqual(error, null);
publicModules.forEach((lib) => {
assert(
data[0].includes(lib) && data[0].includes(`node:${lib}`),
`${lib} not found`,
);
});
const newModule = 'foobar';
assert(!builtinModules.includes(newModule));
repl.builtinModules.push(newModule);
testMe.complete('import(\'', common.mustCall((_, [modules]) => {
assert.strictEqual(data[0].length + 1, modules.length);
assert(modules.includes(newModule) &&
!modules.includes(`node:${newModule}`));
}));
}));
testMe.complete("import\t( 'n", common.mustCall((error, data) => {
assert.strictEqual(error, null);
assert.strictEqual(data.length, 2);
assert.strictEqual(data[1], 'n');
const completions = data[0];
// import(...) completions include `node:` URL modules:
let lastIndex = -1;
publicModules.forEach((lib, index) => {
lastIndex = completions.indexOf(`node:${lib}`);
assert.notStrictEqual(lastIndex, -1);
});
assert.strictEqual(completions[lastIndex + 1], '');
// There is only one Node.js module that starts with n:
assert.strictEqual(completions[lastIndex + 2], 'net');
assert.strictEqual(completions[lastIndex + 3], '');
// It's possible to pick up non-core modules too
completions.slice(lastIndex + 4).forEach((completion) => {
assert.match(completion, /^n/);
});
}));
{
const expected = ['@nodejsscope', '@nodejsscope/'];
// Import calls should handle all types of quotation marks.
for (const quotationMark of ["'", '"', '`']) {
putIn.run(['.clear']);
testMe.complete('import(`@nodejs', common.mustCall((err, data) => {
assert.strictEqual(err, null);
assert.deepStrictEqual(data, [expected, '@nodejs']);
}));
putIn.run(['.clear']);
// Completions should not be greedy in case the quotation ends.
const input = `import(${quotationMark}@nodejsscope${quotationMark}`;
testMe.complete(input, common.mustCall((err, data) => {
assert.strictEqual(err, null);
assert.deepStrictEqual(data, [[], undefined]);
}));
}
}
{
putIn.run(['.clear']);
// Completions should find modules and handle whitespace after the opening
// bracket.
testMe.complete('import \t("no_ind', common.mustCall((err, data) => {
assert.strictEqual(err, null);
assert.deepStrictEqual(data, [['no_index', 'no_index/'], 'no_ind']);
}));
}
// Test tab completion for import() relative to the current directory
{
putIn.run(['.clear']);
const cwd = process.cwd();
process.chdir(__dirname);
['import(\'.', 'import(".'].forEach((input) => {
testMe.complete(input, common.mustCall((err, data) => {
assert.strictEqual(err, null);
assert.strictEqual(data.length, 2);
assert.strictEqual(data[1], '.');
assert.strictEqual(data[0].length, 2);
assert.ok(data[0].includes('./'));
assert.ok(data[0].includes('../'));
}));
});
['import(\'..', 'import("..'].forEach((input) => {
testMe.complete(input, common.mustCall((err, data) => {
assert.strictEqual(err, null);
assert.deepStrictEqual(data, [['../'], '..']);
}));
});
['./', './test-'].forEach((path) => {
[`import('${path}`, `import("${path}`].forEach((input) => {
testMe.complete(input, common.mustCall((err, data) => {
assert.strictEqual(err, null);
assert.strictEqual(data.length, 2);
assert.strictEqual(data[1], path);
assert.ok(data[0].includes('./test-repl-tab-complete.js'));
}));
});
});
['../parallel/', '../parallel/test-'].forEach((path) => {
[`import('${path}`, `import("${path}`].forEach((input) => {
testMe.complete(input, common.mustCall((err, data) => {
assert.strictEqual(err, null);
assert.strictEqual(data.length, 2);
assert.strictEqual(data[1], path);
assert.ok(data[0].includes('../parallel/test-repl-tab-complete.js'));
}));
});
});
{
const path = '../fixtures/repl-folder-extensions/f';
testMe.complete(`import('${path}`, common.mustSucceed((data) => {
assert.strictEqual(data.length, 2);
assert.strictEqual(data[1], path);
assert.ok(data[0].includes(
'../fixtures/repl-folder-extensions/foo.js/'));
}));
}
process.chdir(cwd);
}
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