mirror of
https://github.com/nodejs/node.git
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Ruben Bridgewater
1fc373bdf6
This reverts commit de848ac1e0.
The commit broke multiline repl.
PR-URL: https://github.com/nodejs/node/pull/18715
Refs: https://github.com/nodejs/node/pull/17828
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
67 lines
2.0 KiB
JavaScript
67 lines
2.0 KiB
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const repl = require('repl');
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const vm = require('vm');
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// Create a dummy stream that does nothing
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const stream = new common.ArrayStream();
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// Test when useGlobal is false
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testContext(repl.start({
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input: stream,
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output: stream,
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useGlobal: false
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}));
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function testContext(repl) {
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const context = repl.createContext();
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// ensure that the repl context gets its own "console" instance
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assert(context.console instanceof require('console').Console);
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// ensure that the repl's global property is the context
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assert.strictEqual(context.global, context);
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// ensure that the repl console instance does not have a setter
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assert.throws(() => context.console = 'foo', TypeError);
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repl.close();
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}
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testContextSideEffects(repl.start({ input: stream, output: stream }));
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function testContextSideEffects(server) {
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assert.ok(!server.underscoreAssigned);
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assert.strictEqual(server.lines.length, 0);
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// an assignment to '_' in the repl server
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server.write('_ = 500;\n');
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assert.ok(server.underscoreAssigned);
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assert.strictEqual(server.lines.length, 1);
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assert.strictEqual(server.lines[0], '_ = 500;');
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assert.strictEqual(server.last, 500);
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// use the server to create a new context
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const context = server.createContext();
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// ensure that creating a new context does not
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// have side effects on the server
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assert.ok(server.underscoreAssigned);
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assert.strictEqual(server.lines.length, 1);
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assert.strictEqual(server.lines[0], '_ = 500;');
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assert.strictEqual(server.last, 500);
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// reset the server context
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server.resetContext();
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assert.ok(!server.underscoreAssigned);
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assert.strictEqual(server.lines.length, 0);
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// ensure that assigning to '_' in the new context
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// does not change the value in our server.
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assert.ok(!server.underscoreAssigned);
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vm.runInContext('_ = 1000;\n', context);
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assert.ok(!server.underscoreAssigned);
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assert.strictEqual(server.lines.length, 0);
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server.close();
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}
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