Differential D13960 Diff 40519 apps/alias-server/test/scriptTests.js

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apps/alias-server/test/scriptTests.js

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				// Copyright (c) 2023 The Bitcoin developers
				// Distributed under the MIT software license, see the accompanying
				// file COPYING or http://www.opensource.org/licenses/mit-license.php.

				'use strict';
				const assert = require('assert');
				const { consume } = require('../src/script');

				describe('alias-server script.js', function () {
				it('consume gets the first byte from the stack of a hex string outputScript and removes the same from the input', function () {
				const testStack = {
				remainingHex:
				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f6',
				};
				assert.strictEqual(consume(testStack, 1), '6a');
				assert.deepEqual(testStack, {
				remainingHex:
				'042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f6',
				});
				});
				it('consume throws an error if byteCount is not an integer and leaves input unmodified', function () {
				const testStack = {
				remainingHex:
				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f6',
				};
				assert.throws(() => {
				consume(testStack, 1.5);
				}, Error('byteCount must be an integer, received 1.5'));

				// Ensure testStack is not modified
				assert.deepEqual(testStack, {
				remainingHex:
				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f6',
				});
				});
				it('consume gets the full length of the stack of a hex string outputScript', function () {
				const testStack = {
				remainingHex:
				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f6',
				};
				assert.strictEqual(
				consume(testStack, 51),

				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f6',
				);
				assert.deepEqual(testStack, {
				remainingHex: '',
				});
				});
				it('consume throws an error if called with byteCount greater than outputScript', function () {
				const testStack = {
				remainingHex:
				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f6',
				};
				assert.throws(() => {
				consume(testStack, 52);
				}, Error('consume called with byteCount (52) greater than remaining bytes in outputScript (51)'));
				// Ensure testStack is not modified
				assert.deepEqual(testStack, {
				remainingHex:
				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f6',
				});
				});
				it('consume consumes nothing if called with 0', function () {
				const testStack = {
				remainingHex:
				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f6',
				};
				assert.strictEqual(consume(testStack, 0), '');
				// Ensure testStack is not modified
				assert.deepEqual(testStack, {
				remainingHex:
				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f6',
				});
				});
				it('consume throws an error if stack.remainingHex.length is odd', function () {
				const testStack = {
				remainingHex:
				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f',
				};
				assert.throws(() => {
				consume(testStack, 1);
				}, Error('Invalid input: stack.remainingHex must be divisible by bytes, i.e. have an even length.'));
				// Ensure testStack is not modified
				assert.deepEqual(testStack, {
				remainingHex:
				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f',
				});
				});
				it('consume throws an error if called with a bad key name', function () {
				const testStack = {
				remainingHexOpReturn:
				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f6',
				};
				assert.throws(() => {
				consume(testStack, 1);
				}, Error('Invalid input. Stack must be an object with string stored at key remainingHex.'));

				// Ensure testStack is not modified
				assert.deepEqual(testStack, {
				remainingHexOpReturn:
				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f6',
				});
				});
				it('consume throws an error if stack.remainingHex is an array', function () {
				const testStack = {
				remainingHex: [
				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f6',
				],
				};
				assert.throws(() => {
				consume(testStack, 1);
				}, Error('Invalid input. Stack must be an object with string stored at key remainingHex.'));

				// Ensure testStack is not modified
				assert.deepEqual(testStack, {
				remainingHex: [
				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f6',
				],
				});
				});
				it('consume throws an error if called with string', function () {
				const testStack =
				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f6';

				assert.throws(() => {
				consume(testStack, 1);
				}, Error('Invalid input. Stack must be an object with string stored at key remainingHex.'));

				// Ensure testStack is not modified
				assert.strictEqual(
				testStack,
				'6a042e78656300154361706974616c4c6574746572735f416e645f2b21150076458db0ed96fe9863fc1ccec9fa2cfab884b0f6',
				);
				});
				});