127 lines
3.6 KiB
JavaScript
127 lines
3.6 KiB
JavaScript
// Copyright 2020 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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describe('ProtoBuf.js', () => {
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const { ProtoBuf } = window.dcodeIO;
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const sampleProto = `message Simple_v1 {
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optional string knownName = 1;
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optional string knownValue = 3;
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}
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message Simple_v2 {
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optional string knownName = 1;
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optional int32 unknownFlags = 2;
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optional string knownValue = 3;
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optional string unknownString = 4;
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}`;
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it('retains unknown fields', () => {
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const builder = ProtoBuf.loadProto(sampleProto);
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const protos = builder.build();
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const v2 = new protos.Simple_v2();
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v2.knownName = 'version2';
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v2.unknownFlags = 42;
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v2.knownValue = 'known value';
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v2.unknownString = 'f';
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const v1 = protos.Simple_v1.decode(v2.encode());
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const result = protos.Simple_v2.decode(v1.encode());
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assert.equal(result.knownName, v2.knownName, 'known fields');
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assert.equal(42, result.unknownFlags, 'unknown flag');
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assert.equal('f', result.unknownString, 'unknown string');
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assert.equal('known value', result.knownValue, 'known value');
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});
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it('supports nested unknown fields', () => {
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const nestedProto = `
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${sampleProto}
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message Container_v1 {
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optional Simple_v1 elem = 1;
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}
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message Container_v2 {
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optional Simple_v2 elem = 1;
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}`;
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const builder = ProtoBuf.loadProto(nestedProto);
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const protos = builder.build();
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const v2 = new protos.Container_v2();
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v2.elem = {
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knownName: 'nested v2',
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unknownFlags: 10,
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knownValue: 'hello world',
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};
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const v1 = protos.Container_v1.decode(v2.encode());
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const result = protos.Container_v2.decode(v1.encode());
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assert.equal(
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v2.elem.knownName,
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result.elem.knownName,
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'nested: known fields'
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);
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assert.equal(10, result.elem.unknownFlags, 'nested: unknown flags');
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assert.equal('hello world', result.elem.knownValue, 'known value');
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});
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it('allows multi-byte id', () => {
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const proto = `message Simple_v1 {
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optional string knownName = 1;
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optional string knownValue = 3;
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}
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message Simple_v2 {
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optional string knownName = 1;
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optional int32 unknownFlags = 296;
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optional string knownValue = 3;
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}`;
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const builder = ProtoBuf.loadProto(proto);
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const protos = builder.build();
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const v2 = new protos.Simple_v2();
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v2.knownName = 'v2 multibyte';
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v2.unknownFlags = 16;
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v2.knownValue = 'foo bar';
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const v1 = protos.Simple_v1.decode(v2.encode());
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const result = protos.Simple_v2.decode(v1.encode());
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assert.equal(result.knownName, v2.knownName, 'multibyte: known fields');
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assert.equal(16, result.unknownFlags, 'multibyte: unknown fields');
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assert.equal('foo bar', result.knownValue, 'multibyte: known value');
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});
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it('retains fields with 64bit type', () => {
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const proto = `message Simple_v1 {
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optional string knownName = 1;
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optional string knownValue = 3;
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}
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message Simple_v2 {
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optional string knownName = 1;
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optional double unknownFlags = 2;
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optional string knownValue = 3;
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}`;
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const builder = ProtoBuf.loadProto(proto);
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const protos = builder.build();
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const v2 = new protos.Simple_v2();
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v2.knownName = 'v2 double';
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v2.unknownFlags = 0;
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v2.knownValue = 'double double';
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const v1 = protos.Simple_v1.decode(v2.encode());
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const result = protos.Simple_v2.decode(v1.encode());
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assert.equal(result.knownName, v2.knownName, 'double: known fields');
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assert.equal(0, result.unknownFlags, 'double: unknown fields');
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assert.equal('double double', result.knownValue, 'double: known value');
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});
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});
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