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require 'spec_helper'
describe Mongo::Operation::Write::Update do
let(:document) do
{ :q => { :foo => 1 },
:u => { :$set => { :bar => 1 } },
:multi => true,
:upsert => false }
end
let(:spec) do
{ :update => document,
:db_name => TEST_DB,
:coll_name => TEST_COLL,
:write_concern => Mongo::WriteConcern.get(:w => 1),
:ordered => true
}
end
let(:update) do
described_class.new(spec)
end
describe '#initialize' do
context 'spec' do
it 'sets the spec' do
expect(update.spec).to eq(spec)
end
end
end
describe '#==' do
context 'spec' do
context 'when two ops have the same specs' do
let(:other) { described_class.new(spec) }
it 'returns true' do
expect(update).to eq(other)
end
end
context 'when two ops have different specs' do
let(:other_doc) { {:q => { :foo => 1 },
:u => { :$set => { :bar => 1 } },
:multi => true,
:upsert => true } }
let(:other_spec) do
{ :update => other_doc,
:db_name => TEST_DB,
:coll_name => TEST_COLL,
:write_concern => Mongo::WriteConcern.get(:w => 1),
:ordered => true
}
end
let(:other) { described_class.new(other_spec) }
it 'returns false' do
expect(update).not_to eq(other)
end
end
end
end
describe '#execute' do
before do
authorized_collection.insert_many([
{ name: 'test', field: 'test', other: 'test' },
{ name: 'testing', field: 'test', other: 'test' }
])
end
after do
authorized_collection.delete_many
end
context 'when updating a single document' do
let(:update) do
described_class.new({
update: document,
db_name: TEST_DB,
coll_name: TEST_COLL,
write_concern: Mongo::WriteConcern.get(:w => 1)
})
end
context 'when the update succeeds' do
let(:document) do
{ 'q' => { name: 'test' }, 'u' => { '$set' => { field: 'blah' }} }
end
let(:result) do
update.execute(authorized_primary)
end
it 'updates the document' do
expect(result.written_count).to eq(1)
end
it 'reports the modified count' do
expect(result.modified_count).to eq(1)
end
it 'reports the matched count' do
expect(result.matched_count).to eq(1)
end
it 'reports the upserted id as nil' do
expect(result.upserted_id).to eq(nil)
end
end
context 'when the update fails' do
let(:document) do
{ 'q' => { name: 'test' }, 'u' => { '$st' => { field: 'blah' } } }
end
it 'raises an exception' do
expect {
update.execute(authorized_primary)
}.to raise_error(Mongo::Error::OperationFailure)
end
end
end
context 'when updating multiple documents' do
let(:update) do
described_class.new({
update: document,
db_name: TEST_DB,
coll_name: TEST_COLL,
write_concern: Mongo::WriteConcern.get(:w => 1)
})
end
context 'when the updates succeed' do
let(:document) do
{ 'q' => { field: 'test' }, 'u' => { '$set' => { other: 'blah' }}, 'multi' => true }
end
let(:result) do
update.execute(authorized_primary)
end
it 'updates the documents' do
expect(result.written_count).to eq(2)
end
it 'reports the modified count' do
expect(result.modified_count).to eq(2)
end
it 'reports the matched count' do
expect(result.matched_count).to eq(2)
end
it 'reports the upserted id as nil' do
expect(result.upserted_id).to eq(nil)
end
end
context 'when an update fails' do
let(:document) do
{ 'q' => { name: 'test' }, 'u' => { '$st' => { field: 'blah' } }, 'multi' => true }
end
it 'raises an exception' do
expect {
update.execute(authorized_primary)
}.to raise_error(Mongo::Error::OperationFailure)
end
end
context 'when a document exceeds max bson size' do
let(:document) do
{ 'q' => { name: 't'*17000000}, 'u' => { '$set' => { field: 'blah' } } }
end
it 'raises an error' do
expect {
update.execute(authorized_primary)
}.to raise_error(Mongo::Error::MaxBSONSize)
end
end
context 'when upsert is true' do
let(:document) do
{ 'q' => { field: 'non-existent' }, 'u' => { '$set' => { other: 'blah' }}, 'upsert' => true }
end
let(:result) do
update.execute(authorized_primary)
end
it 'inserts the document' do
expect(result.written_count).to eq(1)
end
it 'reports the modified count' do
expect(result.modified_count).to eq(0)
end
it 'reports the matched count' do
expect(result.matched_count).to eq(0)
end
it 'retruns the upserted id' do
expect(result.upserted_id).to be_a(BSON::ObjectId)
end
end
end
context 'when write concern { w: 0 } is used', unless: op_msg_enabled? do
let(:update) do
described_class.new({
update: document,
db_name: TEST_DB,
coll_name: TEST_COLL,
write_concern: Mongo::WriteConcern.get(:w => 0)
})
end
let(:document) do
{ 'q' => { name: 'test' }, 'u' => { '$set' => { field: 'blah' }}, limit: 1 }
end
let(:result) do
update.execute(authorized_primary)
end
before do
expect(update).to receive(:execute_message).and_call_original
end
it 'uses op codes instead of write commands' do
expect(result.written_count).to eq(0)
end
end
end
end
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