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PR-URL: https://github.com/nodejs/node/pull/30533 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
35 lines
1.0 KiB
JavaScript
35 lines
1.0 KiB
JavaScript
var defaults = require('./'),
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test = require('tap').test;
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test("ensure options is an object", function(t) {
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var options = defaults(false, { a : true });
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t.ok(options.a);
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t.end()
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});
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test("ensure defaults override keys", function(t) {
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var result = defaults({}, { a: false, b: true });
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t.ok(result.b, 'b merges over undefined');
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t.equal(result.a, false, 'a merges over undefined');
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t.end();
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});
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test("ensure defined keys are not overwritten", function(t) {
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var result = defaults({ b: false }, { a: false, b: true });
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t.equal(result.b, false, 'b not merged');
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t.equal(result.a, false, 'a merges over undefined');
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t.end();
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});
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test("ensure defaults clone nested objects", function(t) {
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var d = { a: [1,2,3], b: { hello : 'world' } };
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var result = defaults({}, d);
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t.equal(result.a.length, 3, 'objects should be clones');
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t.ok(result.a !== d.a, 'objects should be clones');
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t.equal(Object.keys(result.b).length, 1, 'objects should be clones');
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t.ok(result.b !== d.b, 'objects should be clones');
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t.end();
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});
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