56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
var res;
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t = db.jstests_uniqueness;
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t.drop();
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// test uniqueness of _id
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res = t.save({_id: 3});
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assert.writeOK(res);
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// this should yield an error
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res = t.insert({_id: 3});
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assert.writeError(res);
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assert.eq(1, t.count());
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res = t.insert({_id: 4, x: 99});
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assert.writeOK(res);
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// this should yield an error
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res = t.update({_id: 4}, {_id: 3, x: 99});
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assert.writeError(res);
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assert(t.findOne({_id: 4}));
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// Check for an error message when we index and there are dups
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db.jstests_uniqueness2.drop();
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db.jstests_uniqueness2.insert({a: 3});
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db.jstests_uniqueness2.insert({a: 3});
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assert.eq(2, db.jstests_uniqueness2.count());
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res = db.jstests_uniqueness2.ensureIndex({a: 1}, true);
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assert.commandFailed(res);
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assert(res.errmsg.match(/E11000/));
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// Check for an error message when we index in the background and there are dups
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db.jstests_uniqueness2.drop();
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db.jstests_uniqueness2.insert({a: 3});
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db.jstests_uniqueness2.insert({a: 3});
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assert.eq(2, db.jstests_uniqueness2.count());
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res = db.jstests_uniqueness2.ensureIndex({a: 1}, {unique: true, background: true});
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assert.commandFailed(res);
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assert(res.errmsg.match(/E11000/));
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/* Check that if we update and remove _id, it gets added back by the DB */
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/* - test when object grows */
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t.drop();
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t.save({_id: 'Z'});
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t.update({}, {k: 2});
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assert.eq('Z', t.findOne()._id, "uniqueness.js problem with adding back _id");
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/* - test when doesn't grow */
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t.drop();
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t.save({_id: 'Z', k: 3});
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t.update({}, {k: 2});
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assert.eq('Z', t.findOne()._id, "uniqueness.js problem with adding back _id (2)");
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