37 lines
974 B
JavaScript
37 lines
974 B
JavaScript
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'use strict';
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var assert = require('assert');
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var stream = require('stream');
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var hash = require('../index');
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describe('replacer option', function() {
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it('should emit information about an object to a stream', function() {
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var strm = new stream.PassThrough();
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var replacer = function(value) {
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try {
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return JSON.stringify(value);
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} catch (e) {
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return value;
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}
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};
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var obj = {foo: 'bar'};
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hash.writeToStream(obj, {replacer: replacer}, strm);
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var result = strm.read().toString();
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assert.strictEqual(typeof result, 'string');
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assert.notStrictEqual(result.indexOf(JSON.stringify(obj)), -1);
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});
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it('should not reach property values when excludeValues = true', function() {
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var strm = new stream.PassThrough();
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var replacer = function(k) {
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assert.notStrictEqual(k, 'bar');
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return k;
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};
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hash.writeToStream({foo: 'bar'}, {excludeValues: true}, strm);
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});
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});
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