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Type:
Bug
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Resolution: Unresolved
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Priority:
Minor - P4
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None
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Affects Version/s: 1.0.5
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Component/s: AsyncWriter
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5
Problem Statement/Rationale
MongoSh have mixing behavior when executing code directly and executing string code by using eval or Function.
Steps to Reproduce
Executing the following snippet to reproduce:
1. Create testing object
// Raw code Test = function () { a = dbs.admin.runCommand({rolesInfo: `root`}); console.log(a.constructor.name); return a; } // Using eval eval('global.Test2 = function () { a = dbs.admin.runCommand({rolesInfo: `root`}); console.log(a.constructor.name); return a; }') // Using Function Function('global.Test3 = function () { a = dbs.admin.runCommand({rolesInfo: `root`}); console.log(a.constructor.name); return a; }')()
2. Exectuting each function
> Test()
> Test2()
> Test3()
Expected Results
All 3 test printing Object and roles result. Same behavior since code are the same.
> Test() Object { roles: [ { db: 'admin', role: 'root', roles: [], inheritedRoles: [], isBuiltin: true } ], ok: 1, '$clusterTime': { clusterTime: Timestamp({ t: 1631014883, i: 1 }), signature: { hash: Binary(Buffer.from("eabb594687cc5dd2eab350cd540036c000b25912", "hex"), 0), keyId: Long("6995103262357585924") } }, operationTime: Timestamp({ t: 1631014883, i: 1 }) }
Actual Results
Test2() and Test3() returning Promise instead of Object
> Test2()
Promise
{
roles: [
{
db: 'admin',
role: 'root',
roles: [],
inheritedRoles: [],
isBuiltin: true
}
],
ok: 1,
'$clusterTime': {
clusterTime: Timestamp({ t: 1631014883, i: 1 }),
signature: {
hash: Binary(Buffer.from("eabb594687cc5dd2eab350cd540036c000b25912", "hex"), 0),
keyId: Long("6995103262357585924")
}
},
operationTime: Timestamp({ t: 1631014883, i: 1 })
}
> Test3()
Promise
{
roles: [
{
db: 'admin',
role: 'root',
roles: [],
inheritedRoles: [],
isBuiltin: true
}
],
ok: 1,
'$clusterTime': {
clusterTime: Timestamp({ t: 1631014883, i: 1 }),
signature: {
hash: Binary(Buffer.from("eabb594687cc5dd2eab350cd540036c000b25912", "hex"), 0),
keyId: Long("6995103262357585924")
}
},
operationTime: Timestamp({ t: 1631014883, i: 1 })
}
Additional Notes
Because the Promise is returned, code saved on server cannot run as expected in MongoSh.