Files
mongo/jstests/core/find_and_modify4.js
Randolph Tan 5595b94560 SERVER-12127 migrate js tests to jscore suite when not related to writes
Moved test jstest/[a-i].js -> jstests/core/ and made changes to comply with write command api
2014-02-28 16:26:33 -05:00

56 lines
1.5 KiB
JavaScript

t = db.find_and_modify4;
t.drop();
// this is the best way to build auto-increment
function getNextVal(counterName){
var ret = t.findAndModify({
query: {_id: counterName},
update: {$inc: {val: 1}},
upsert: true,
'new': true,
});
return ret;
}
assert.eq(getNextVal("a"), {_id:"a", val:1});
assert.eq(getNextVal("a"), {_id:"a", val:2});
assert.eq(getNextVal("a"), {_id:"a", val:3});
assert.eq(getNextVal("z"), {_id:"z", val:1});
assert.eq(getNextVal("z"), {_id:"z", val:2});
assert.eq(getNextVal("a"), {_id:"a", val:4});
t.drop();
function helper(upsert){
return t.findAndModify({
query: {_id: "asdf"},
update: {$inc: {val: 1}},
upsert: upsert,
'new': false // the default
});
}
// upsert:false so nothing there before and after
assert.eq(helper(false), null);
assert.eq(t.count(), 0);
// upsert:true so nothing there before; something there after
assert.eq(helper(true), null);
assert.eq(t.count(), 1);
assert.eq(helper(true), {_id: 'asdf', val: 1});
assert.eq(helper(false), {_id: 'asdf', val: 2}); // upsert only matters when obj doesn't exist
assert.eq(helper(true), {_id: 'asdf', val: 3});
// _id created if not specified
var out = t.findAndModify({
query: {a:1},
update: {$set: {b: 2}},
upsert: true,
'new': true
});
assert.neq(out._id, undefined);
assert.eq(out.a, 1);
assert.eq(out.b, 2);