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# frozen_string_literal: true
# rubocop:todo all
require 'spec_helper'
describe 'Client-Side Encryption' do
describe 'Prose tests: BSON size limits and batch splitting' do
require_libmongocrypt
require_enterprise
min_server_fcv '4.2'
include_context 'define shared FLE helpers'
let(:subscriber) { Mrss::EventSubscriber.new }
let(:client) do
authorized_client.use('db')
end
let(:json_schema) do
BSON::ExtJSON.parse(File.read('spec/support/crypt/limits/limits-schema.json'))
end
let(:limits_doc) do
BSON::ExtJSON.parse(File.read('spec/support/crypt/limits/limits-doc.json'))
end
let(:client_encrypted) do
new_local_client(
SpecConfig.instance.addresses,
SpecConfig.instance.test_options.merge(
auto_encryption_options: {
kms_providers: {
local: { key: local_master_key },
},
key_vault_namespace: 'keyvault.datakeys',
# Spawn mongocryptd on non-default port for sharded cluster tests
extra_options: extra_options,
},
database: 'db',
)
).tap do |client|
client.subscribe(Mongo::Monitoring::COMMAND, subscriber)
end
end
before do
client['coll'].drop
client['coll',
{
'validator' => { '$jsonSchema' => json_schema }
}
].create
key_vault_collection = client.use('keyvault')['datakeys', write_concern: { w: :majority }]
key_vault_collection.drop
key_vault_collection.insert_one(
BSON::ExtJSON.parse(File.read('spec/support/crypt/limits/limits-key.json'))
)
end
let(:_2mib) { 2097152 }
let(:_16mib) { 16777216 }
context 'when a single, unencrypted document is larger than 2MiB' do
it 'can perform insert_one using the encrypted client' do
document = {
_id: "over_2mib_under_16mib",
unencrypted: 'a' * _2mib
}
result = client_encrypted['coll'].insert_one(document)
expect(result).to be_ok
end
end
context 'when a single encrypted document is larger than 2MiB' do
it 'can perform insert_one using the encrypted client' do
result = client_encrypted['coll'].insert_one(
limits_doc.merge(
_id: "encryption_exceeds_2mi",
unencrypted: 'a' * (_2mib - 2000)
)
)
expect(result).to be_ok
end
end
context 'when bulk inserting two unencrypted documents under 2MiB' do
it 'can perform bulk insert using the encrypted client' do
bulk_write = Mongo::BulkWrite.new(
client_encrypted['coll'],
[
{ insert_one: { _id: 'over_2mib_1', unencrypted: 'a' * _2mib } },
{ insert_one: { _id: 'over_2mib_2', unencrypted: 'a' * _2mib } },
]
)
result = bulk_write.execute
expect(result.inserted_count).to eq(2)
command_succeeded_events = subscriber.succeeded_events.select do |event|
event.command_name == 'insert'
end
expect(command_succeeded_events.length).to eq(2)
end
end
context 'when bulk deletes two unencrypted documents under 2MiB' do
it 'can perform bulk delete using the encrypted client' do
# Insert documents that we can match and delete later
bulk_write = Mongo::BulkWrite.new(
client_encrypted['coll'],
[
{ insert_one: { _id: 'over_2mib_1', unencrypted: 'a' * _2mib } },
{ insert_one: { _id: 'over_2mib_2', unencrypted: 'a' * _2mib } },
]
)
result = bulk_write.execute
expect(result.inserted_count).to eq(2)
command_succeeded_events = subscriber.succeeded_events.select do |event|
event.command_name == 'insert'
end
expect(command_succeeded_events.length).to eq(2)
end
end
context 'when bulk inserting two encrypted documents under 2MiB' do
it 'can perform bulk_insert using the encrypted client' do
bulk_write = Mongo::BulkWrite.new(
client_encrypted['coll'],
[
{
insert_one: limits_doc.merge(
_id: "encryption_exceeds_2mib_1",
unencrypted: 'a' * (_2mib - 2000)
)
},
{
insert_one: limits_doc.merge(
_id: 'encryption_exceeds_2mib_2',
unencrypted: 'a' * (_2mib - 2000)
)
},
]
)
result = bulk_write.execute
expect(result.inserted_count).to eq(2)
command_succeeded_events = subscriber.succeeded_events.select do |event|
event.command_name == 'insert'
end
expect(command_succeeded_events.length).to eq(2)
end
end
context 'when a single document is just smaller than 16MiB' do
it 'can perform insert_one using the encrypted client' do
result = client_encrypted['coll'].insert_one(
_id: "under_16mib",
unencrypted: "a" * (_16mib - 2000)
)
expect(result).to be_ok
end
end
context 'when an encrypted document is greater than the 16MiB limit' do
it 'raises an exception when attempting to insert the document' do
expect do
client_encrypted['coll'].insert_one(
limits_doc.merge(
_id: "encryption_exceeds_16mib",
unencrypted: "a" * (16*1024*1024 + 500*1024),
)
)
end.to raise_error(Mongo::Error::MaxBSONSize, /The document exceeds maximum allowed BSON object size after serialization/)
end
end
end
end
|
