mongo/jstests/core/shell/bson.js

312 lines
10 KiB
JavaScript

/**
* This tests mongo shell functions bsonWoCompare & bsonBinaryEqual.
*/
let t = db.getCollection("bson");
t.drop();
function testObjectsAreEqual(obj1, obj2, equalityFunc, func_name) {
let assert_msg = func_name + " " + tojson(obj1) + " " + tojson(obj2);
assert(equalityFunc(obj1, obj2), assert_msg);
}
function testObjectsAreNotEqual(obj1, obj2, equalityFunc, func_name) {
let assert_msg = func_name + " " + tojson(obj1) + " " + tojson(obj2);
assert(!equalityFunc(obj1, obj2), assert_msg);
}
function runTests(func, testFunc) {
// Tests on numbers.
testObjectsAreEqual(0, 0, func, testFunc);
testObjectsAreEqual(-5, -5, func, testFunc);
testObjectsAreEqual(1.1, 1.1, func, testFunc);
testObjectsAreEqual(1, 1, func, testFunc);
testObjectsAreEqual(1.1, 1.1, func, testFunc);
let nl0 = new NumberLong("18014398509481984");
let nl1 = new NumberLong("18014398509481985");
testObjectsAreEqual(nl0, nl0, func, testFunc);
testObjectsAreNotEqual(nl0, nl1, func, testFunc);
// Test on key name.
t.insertMany([{a: 0}, {A: 0}]);
testObjectsAreNotEqual(t.findOne({a: 0}), t.findOne({A: 0}), func, testFunc);
// Tests on strings.
testObjectsAreEqual("abc", "abc", func, testFunc);
testObjectsAreNotEqual("abc", "aBc", func, testFunc);
// Tests on boolean.
testObjectsAreEqual(true, true, func, testFunc);
testObjectsAreNotEqual(true, false, func, testFunc);
testObjectsAreEqual(false, false, func, testFunc);
// Tests on date & timestamp.
let d0 = new Date(0);
let d1 = new Date(1);
let ts0 = new Timestamp(0, 1);
let ts1 = new Timestamp(1, 1);
testObjectsAreEqual(d0, d0, func, testFunc);
testObjectsAreNotEqual(d0, d1, func, testFunc);
testObjectsAreNotEqual(d1, ts1, func, testFunc);
testObjectsAreEqual(ts0, ts0, func, testFunc);
testObjectsAreNotEqual(ts0, ts1, func, testFunc);
// Tests on regex.
testObjectsAreEqual(/3/, /3/, func, testFunc);
testObjectsAreNotEqual(/3/, /3/i, func, testFunc);
// Tests on DBPointer.
let dbp0 = new DBPointer("test", new ObjectId());
let dbp1 = new DBPointer("test", new ObjectId());
testObjectsAreEqual(dbp0, dbp0, func, testFunc);
testObjectsAreNotEqual(dbp0, dbp1, func, testFunc);
// Tests on JavaScript.
let js0 = Function.prototype;
let js1 = function () {};
testObjectsAreEqual(js0, Function.prototype, func, testFunc);
testObjectsAreNotEqual(js0, js1, func, testFunc);
// Tests on arrays.
testObjectsAreEqual([0, 1], [0, 1], func, testFunc);
testObjectsAreNotEqual([0, 1], [0], func, testFunc);
testObjectsAreNotEqual([1, 0], [0, 1], func, testFunc);
// Tests on BinData & HexData.
testObjectsAreEqual(
new BinData(0, "JANgqwetkqwklEWRbWERKKJREtbq"),
new BinData(0, "JANgqwetkqwklEWRbWERKKJREtbq"),
func,
testFunc,
);
testObjectsAreEqual(new BinData(0, "AAaa"), new BinData(0, "AAaa"), func, testFunc);
testObjectsAreNotEqual(new BinData(0, "AAaa"), new BinData(0, "aaAA"), func, testFunc);
testObjectsAreEqual(new HexData(0, "AAaa"), new HexData(0, "AAaa"), func, testFunc);
testObjectsAreEqual(new HexData(0, "AAaa"), new HexData(0, "aaAA"), func, testFunc);
testObjectsAreNotEqual(new HexData(0, "AAaa"), new BinData(0, "AAaa"), func, testFunc);
// Tests on ObjectId
testObjectsAreEqual(
new ObjectId("57d1b31cd311a43091fe592f"),
new ObjectId("57d1b31cd311a43091fe592f"),
func,
testFunc,
);
testObjectsAreNotEqual(
new ObjectId("57d1b31cd311a43091fe592f"),
new ObjectId("57d1b31ed311a43091fe5930"),
func,
testFunc,
);
// Tests on miscellaneous types.
testObjectsAreEqual(NaN, NaN, func, testFunc);
testObjectsAreEqual(null, null, func, testFunc);
testObjectsAreNotEqual(null, -null, func, testFunc);
testObjectsAreEqual(MinKey, MinKey, func, testFunc);
testObjectsAreEqual(MaxKey, MaxKey, func, testFunc);
testObjectsAreNotEqual(MinKey, MaxKey, func, testFunc);
// Test on object ordering.
testObjectsAreNotEqual({a: 1, b: 2}, {b: 2, a: 1}, func, testFunc);
}
// Create wrapper function for bsonWoCompare, such that it returns boolean result.
let bsonWoCompareWrapper = function (obj1, obj2) {
return bsonWoCompare(obj1, obj2) === 0;
};
// Test Object.entries() enumerates lazy property keys and values correctly.
function runObjectEntriesTest() {
t.drop();
t.insertOne({_id: 1, a: "a", b: "b"});
let res = t.findOne();
assert.eq(
[
["_id", 1],
["a", "a"],
["b", "b"],
],
Object.entries(res),
);
// Test that we don't re-define properties in Object.entries() after they've been already been
// defined. We can test this by updating the object here and ensuring the overwrite is reflected
// in Object.entries().
res.a = "b";
assert.eq(
[
["_id", 1],
["a", "b"],
["b", "b"],
],
Object.entries(res),
);
}
function runObjectEntriesArrayTypesTest() {
t.drop();
// Test enumerating "dense" array.
t.insertOne({_id: 1, a: [1, 2, 3, 4, 5], b: "b"});
let res = t.findOne();
assert.eq(
[
["_id", 1],
["a", [1, 2, 3, 4, 5]],
["b", "b"],
],
Object.entries(res),
);
assert.eq(
[
["0", 1],
["1", 2],
["2", 3],
["3", 4],
["4", 5],
],
Object.entries(res.a),
);
t.update({_id: 1}, {$set: {"a.9": 10}});
res = t.findOne();
// Test enumerating "sparse" array.
assert.eq(
[
["_id", 1],
["a", [1, 2, 3, 4, 5, null, null, null, null, 10]],
["b", "b"],
],
Object.entries(res),
);
assert.eq(
[
["0", 1],
["1", 2],
["2", 3],
["3", 4],
["4", 5],
["5", null],
["6", null],
["7", null],
["8", null],
["9", 10],
],
Object.entries(res.a),
);
// Test overwriting the native object is not affected by the Object.entries() call.
res.a = [5, 6, 7, 8, 9];
assert.eq(
[
["_id", 1],
["a", [5, 6, 7, 8, 9]],
["b", "b"],
],
Object.entries(res),
);
assert.eq(
[
["0", 5],
["1", 6],
["2", 7],
["3", 8],
["4", 9],
],
Object.entries(res.a),
);
// Test enumerating nested array.
t.update({_id: 1}, {$set: {"a.10": [1, 2, 3, 4, 5]}});
res = t.findOne();
assert.eq(
[
["_id", 1],
["a", [1, 2, 3, 4, 5, null, null, null, null, 10, [1, 2, 3, 4, 5]]],
["b", "b"],
],
Object.entries(res),
);
assert.eq(
[
["0", 1],
["1", 2],
["2", 3],
["3", 4],
["4", 5],
],
Object.entries(res.a[10]),
);
// Test overwriting the native object is not affected by the Object.entries() call.
res.a[10] = [5, 6, 7, 8, 9];
assert.eq(
[
["_id", 1],
["a", [1, 2, 3, 4, 5, null, null, null, null, 10, [5, 6, 7, 8, 9]]],
["b", "b"],
],
Object.entries(res),
);
assert.eq(
[
["0", 5],
["1", 6],
["2", 7],
["3", 8],
["4", 9],
],
Object.entries(res.a[10]),
);
}
function runBuildInvalidBsonTest() {
// We want to ensure that fieldnames in BSONObj can't contain null terminators.
assert.throws(
function () {
let invalidBson = _buildBsonObj("_id", 2, "\0\0", 3);
},
[],
"BSON field name must not contain null terminators.",
);
}
function runFindEmptyKeyTest() {
const emptyKeyObj = _buildBsonObj("_id", 0, "", 1);
assert.eq(true, emptyKeyObj.hasOwnProperty(""));
assert.eq(1, emptyKeyObj[""]);
}
// Ensure operations can't use \0 in field names. Confirm that these operations both
// execute without error and don't change the value of emptyKeyObj.
function runNoNullTerminatedFieldNameTest() {
const emptyKeyObj = _buildBsonObj("_id", 0, "", 1, "abc", 2);
for (const n of ["\0", "\0abc", "ab\0c", "ab\0c\0"]) {
let obj = emptyKeyObj;
assert.eq(false, obj.hasOwnProperty(n));
assert.eq(true, delete obj[n]);
// Delete should not have modified obj.
testObjectsAreEqual(obj, emptyKeyObj, bsonWoCompareWrapper, "bsonWoCompare");
}
}
// Run the tests which work the same for both comparators.
runTests(bsonWoCompareWrapper, "bsonWoCompare");
runTests(bsonBinaryEqual, "bsonBinaryEqual");
// Run the tests which differ between comparators.
testObjectsAreEqual(NaN, -NaN, bsonWoCompareWrapper, "bsonWoCompare");
testObjectsAreNotEqual(NaN, -NaN, bsonBinaryEqual, "bsonBinaryEqual");
testObjectsAreEqual(1, NumberLong("1"), bsonWoCompareWrapper, "bsonWoCompare");
testObjectsAreNotEqual(1, NumberLong("1"), bsonBinaryEqual, "bsonBinaryEqual");
testObjectsAreEqual(1.0, NumberLong("1"), bsonWoCompareWrapper, "bsonWoCompare");
testObjectsAreNotEqual(1.0, NumberLong("1"), bsonBinaryEqual, "bsonBinaryEqual");
testObjectsAreEqual(NumberInt("1"), NumberLong("1"), bsonWoCompareWrapper, "bsonWoCompare");
testObjectsAreNotEqual(NumberInt("1"), NumberLong("1"), bsonBinaryEqual, "bsonBinaryEqual");
testObjectsAreEqual(NumberInt("1"), NumberDecimal("1.0"), bsonWoCompareWrapper, "bsonWoCompare");
testObjectsAreNotEqual(NumberInt("1"), NumberDecimal("1.0"), bsonBinaryEqual, "bsonBinaryEqual");
testObjectsAreEqual(NumberLong("1"), NumberDecimal("1.0"), bsonWoCompareWrapper, "bsonWoCompare");
testObjectsAreNotEqual(NumberLong("1"), NumberDecimal("1.0"), bsonBinaryEqual, "bsonBinaryEqual");
runObjectEntriesTest();
runObjectEntriesArrayTypesTest();
runBuildInvalidBsonTest();
runFindEmptyKeyTest();
runNoNullTerminatedFieldNameTest();