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d577b05136
- move _makeNonreactive into wrapTransform - Use EJSON.equals for _id comparison - Return null for nonexistent transforms - Use isPlainObject for objectness check - Add unit tests; remove some end-to-end tests Also, add an EJSON.clone to the recently backported observeHandle._fetch
59 lines
1.9 KiB
JavaScript
59 lines
1.9 KiB
JavaScript
Tinytest.add("minimongo - wrapTransform", function (test) {
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var wrap = LocalCollection.wrapTransform;
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// Transforming no function gives falsey.
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test.isFalse(wrap(undefined));
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test.isFalse(wrap(null));
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// It's OK if you don't change the ID.
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var validTransform = function (doc) {
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delete doc.x;
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doc.y = 42;
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doc.z = function () { return 43; };
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return doc;
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};
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var transformed = wrap(validTransform)({_id: "asdf", x: 54});
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test.equal(_.keys(transformed), ['_id', 'y', 'z']);
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test.equal(transformed.y, 42);
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test.equal(transformed.z(), 43);
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// Ensure that ObjectIDs work (even if the _ids in question are not ===-equal)
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var oid1 = new LocalCollection._ObjectID();
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var oid2 = new LocalCollection._ObjectID(oid1.toHexString());
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test.equal(wrap(function () {return {_id: oid2};})({_id: oid1}),
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{_id: oid2});
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// transform functions must return objects
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var invalidObjects = [
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"asdf", new LocalCollection._ObjectID(), false, null, true,
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27, [123], /adsf/, new Date, function () {}, undefined
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];
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_.each(invalidObjects, function (invalidObject) {
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var wrapped = wrap(function () { return invalidObject; });
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test.throws(function () {
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wrapped({_id: "asdf"});
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});
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}, /transform must return object/);
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// transform functions may not change _ids
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var wrapped = wrap(function (doc) { doc._id = 'x'; return doc; });
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test.throws(function () {
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wrapped({_id: 'y'});
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}, /can't have different _id/);
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// transform functions may remove _ids
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test.equal({_id: 'a', x: 2},
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wrap(function (d) {delete d._id; return d;})({_id: 'a', x: 2}));
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// test that wrapped transform functions are nonreactive
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var unwrapped = function (doc) {
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test.isFalse(Deps.active);
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return doc;
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};
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var handle = Deps.autorun(function () {
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test.isTrue(Deps.active);
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wrap(unwrapped)({_id: "xxx"});
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});
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handle.stop();
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});
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