nodejs/test/parallel/test-repl-reset-event.js

76 lines
2.5 KiB
JavaScript

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
const common = require('../common');
const ArrayStream = require('../common/arraystream');
const assert = require('assert');
const repl = require('repl');
const util = require('util');
common.allowGlobals(42);
// Create a dummy stream that does nothing
const dummy = new ArrayStream();
function testReset(cb) {
const r = repl.start({
input: dummy,
output: dummy,
useGlobal: false
});
r.context.foo = 42;
r.on('reset', common.mustCall(function(context) {
assert(!!context, 'REPL did not emit a context with reset event');
assert.strictEqual(context, r.context, 'REPL emitted incorrect context. ' +
`context is ${util.inspect(context)}, expected ${util.inspect(r.context)}`);
assert.strictEqual(
context.foo,
undefined,
'REPL emitted the previous context and is not using global as context. ' +
`context.foo is ${context.foo}, expected undefined.`
);
context.foo = 42;
cb();
}));
r.resetContext();
}
function testResetGlobal() {
const r = repl.start({
input: dummy,
output: dummy,
useGlobal: true
});
r.context.foo = 42;
r.on('reset', common.mustCall(function(context) {
assert.strictEqual(
context.foo,
42,
'"foo" property is different from REPL using global as context. ' +
`context.foo is ${context.foo}, expected 42.`
);
}));
r.resetContext();
}
testReset(common.mustCall(testResetGlobal));