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Other: Added a tape adapter to assert message equality accross browsers
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dcodeIO committed Jan 3, 2017
1 parent 9681854 commit 751a90f
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Showing 10 changed files with 176 additions and 5 deletions.
5 changes: 5 additions & 0 deletions .zuul.yml
Expand Up @@ -22,3 +22,8 @@ scripts:
tunnel:
type: ngrok
proto: tcp
browserify:
- external: long
- require: ./lib/tape-adapter
expose: intimidate
entry: true
18 changes: 18 additions & 0 deletions lib/deep-equal/LICENSE
@@ -0,0 +1,18 @@
This software is released under the MIT license:

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
3 changes: 3 additions & 0 deletions lib/deep-equal/README.md
@@ -0,0 +1,3 @@
Forked [node-deep-equal](https://github.com/substack/node-deep-equal)@1.0.1 with monkey-patched buffer equality.

License: MIT. Derived largely from node's assert module.
95 changes: 95 additions & 0 deletions lib/deep-equal/index.js
@@ -0,0 +1,95 @@
var pSlice = Array.prototype.slice;
var objectKeys = require('./lib/keys.js');
var isArguments = require('./lib/is_arguments.js');

var deepEqual = module.exports = function (actual, expected, opts) {
if (!opts) opts = {};
// 7.1. All identical values are equivalent, as determined by ===.
if (actual === expected) {
return true;

} else if (actual instanceof Date && expected instanceof Date) {
return actual.getTime() === expected.getTime();

// 7.3. Other pairs that do not both pass typeof value == 'object',
// equivalence is determined by ==.
} else if (!actual || !expected || typeof actual != 'object' && typeof expected != 'object') {
return opts.strict ? actual === expected : actual == expected;

// 7.4. For all other Object pairs, including Array objects, equivalence is
// determined by having the same number of owned properties (as verified
// with Object.prototype.hasOwnProperty.call), the same set of keys
// (although not necessarily the same order), equivalent values for every
// corresponding key, and an identical 'prototype' property. Note: this
// accounts for both named and indexed properties on Arrays.
} else {
return objEquiv(actual, expected, opts);
}
}

function isUndefinedOrNull(value) {
return value === null || value === undefined;
}

function isBuffer (x) {
if (!x || typeof x !== 'object' || typeof x.length !== 'number') return false;
// MONKEY PATCH: Support buffer, Uint8Array and Array alike
/* if (typeof x.copy !== 'function' || typeof x.slice !== 'function') {
return false;
} */
if (x.length > 0 && typeof x[0] !== 'number') return false;
return true;
}

function objEquiv(a, b, opts) {
var i, key;
if (isUndefinedOrNull(a) || isUndefinedOrNull(b))
return false;
// an identical 'prototype' property.
if (a.prototype !== b.prototype) return false;
//~~~I've managed to break Object.keys through screwy arguments passing.
// Converting to array solves the problem.
if (isArguments(a)) {
if (!isArguments(b)) {
return false;
}
a = pSlice.call(a);
b = pSlice.call(b);
return deepEqual(a, b, opts);
}
if (isBuffer(a)) {
if (!isBuffer(b)) {
return false;
}
if (a.length !== b.length) return false;
for (i = 0; i < a.length; i++) {
if (a[i] !== b[i]) return false;
}
return true;
}
try {
var ka = objectKeys(a),
kb = objectKeys(b);
} catch (e) {//happens when one is a string literal and the other isn't
return false;
}
// having the same number of owned properties (keys incorporates
// hasOwnProperty)
if (ka.length != kb.length)
return false;
//the same set of keys (although not necessarily the same order),
ka.sort();
kb.sort();
//~~~cheap key test
for (i = ka.length - 1; i >= 0; i--) {
if (ka[i] != kb[i])
return false;
}
//equivalent values for every corresponding key, and
//~~~possibly expensive deep test
for (i = ka.length - 1; i >= 0; i--) {
key = ka[i];
if (!deepEqual(a[key], b[key], opts)) return false;
}
return typeof a === typeof b;
}
20 changes: 20 additions & 0 deletions lib/deep-equal/lib/is_arguments.js
@@ -0,0 +1,20 @@
var supportsArgumentsClass = (function(){
return Object.prototype.toString.call(arguments)
})() == '[object Arguments]';

exports = module.exports = supportsArgumentsClass ? supported : unsupported;

exports.supported = supported;
function supported(object) {
return Object.prototype.toString.call(object) == '[object Arguments]';
};

exports.unsupported = unsupported;
function unsupported(object){
return object &&
typeof object == 'object' &&
typeof object.length == 'number' &&
Object.prototype.hasOwnProperty.call(object, 'callee') &&
!Object.prototype.propertyIsEnumerable.call(object, 'callee') ||
false;
};
9 changes: 9 additions & 0 deletions lib/deep-equal/lib/keys.js
@@ -0,0 +1,9 @@
exports = module.exports = typeof Object.keys === 'function'
? Object.keys : shim;

exports.shim = shim;
function shim (obj) {
var keys = [];
for (var key in obj) keys.push(key);
return keys;
}
22 changes: 22 additions & 0 deletions lib/tape-adapter.js
@@ -0,0 +1,22 @@
var tape = require("tape");

var Test = tape.Test;

// some ancient environments have invalid own properties on buffers so that deepEqual doesn't work.
// the following uses a monkey-patched deepEqual implementation for all kinds of number arrays.

var deepEqual = require("./deep-equal");

Test.prototype.deepEqual
= Test.prototype.deepEquals
= Test.prototype.isEquivalent
= Test.prototype.same
= function (a, b, msg, extra) {
this._assert(deepEqual(a, b, { strict: true }), {
message : msg || 'should be equivalent',
operator : 'deepEqual',
actual : a,
expected : b,
extra : extra
});
};
2 changes: 1 addition & 1 deletion package.json
Expand Up @@ -34,7 +34,7 @@
"pages": "node scripts/pages",
"prepublish": "node scripts/prepublish",
"prof": "node bench/prof",
"test": "tape tests/*.js | tap-spec",
"test": "tape -r ./lib/tape-adapter tests/*.js | tap-spec",
"types": "node bin/pbts --main --global protobuf --out index.d.ts src && tsc tests/typescript.ts --lib es2015 --noEmit && tsc tests/data/test.ts --lib es2015 --noEmit",
"zuul": "zuul --ui tape --no-coverage --concurrency 4 -- tests/*.js",
"zuul-local": "zuul --ui tape --concurrency 1 --local 8080 --disable-tunnel -- tests/*.js",
Expand Down
7 changes: 3 additions & 4 deletions tests/basics.js
Expand Up @@ -30,8 +30,7 @@ tape.test("google.protobuf.Any type", function(test) {
}, "should be populated with the contents we provided");

var writer = Any.encode(any),
buf,
msg;
buf;

function verifyEncode(test, buf) {
test.equal(buf[0] , 1 << 3 | 2, "a tag with id 1, wire type 2");
Expand All @@ -53,7 +52,7 @@ tape.test("google.protobuf.Any type", function(test) {

test.test("should decode", function(test) {

msg = Any.decode(buf);
var msg = Any.decode(buf);

test.deepEqual(msg, any, "an equal message");

Expand All @@ -77,7 +76,7 @@ tape.test("google.protobuf.Any type", function(test) {

test.test("should decodeDelimited", function(test) {

msg = Any.decodeDelimited(buf);
var msg = Any.decodeDelimited(buf);
test.deepEqual(msg, any, "an equal message");

test.end();
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Empty file added tests/index.js
Empty file.

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