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ES and TypeScript modules are strict by default and don’t need this directive. ESLint will remind us to add it to new CommonJS files and remove it from ES and TypeScript modules. Signed-off-by: Anders Kaseorg <anders@zulip.com>
47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
"use strict";
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const assert = require("assert").strict;
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// Stubs don't do any magical modifications to your namespace. They
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// just provide you a function that records what arguments get passed
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// to it. To use stubs as something more like "spies," use something
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// like set_global() to override your namespace.
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exports.make_stub = function () {
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const self = {};
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self.num_calls = 0;
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self.f = function (...args) {
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self.last_call_args = args;
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self.num_calls += 1;
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return true;
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};
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self.get_args = function (...param_names) {
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const result = {};
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for (const [i, name] of param_names.entries()) {
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result[name] = self.last_call_args[i];
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}
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return result;
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};
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return self;
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};
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exports.with_stub = function (f) {
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const stub = exports.make_stub();
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f(stub);
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assert.equal(stub.num_calls, 1);
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};
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(function test_ourselves() {
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exports.with_stub((stub) => {
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stub.f("blue", 42);
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const args = stub.get_args("color", "n");
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assert.equal(args.color, "blue");
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assert.equal(args.n, 42);
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});
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})();
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