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# frozen_string_literal: true
require 'spec_helper'
describe Gitlab::Auth::LDAP::Adapter do
include LdapHelpers
let(:ldap) { double(:ldap) }
let(:adapter) { ldap_adapter('ldapmain', ldap) }
describe '#users' do
before do
stub_ldap_config(base: 'dc=example,dc=com')
end
it 'searches with the proper options when searching by uid' do
# Requires this expectation style to match the filter
expect(adapter).to receive(:ldap_search) do |arg|
expect(arg[:filter].to_s).to eq('(uid=johndoe)')
expect(arg[:base]).to eq('dc=example,dc=com')
expect(arg[:attributes]).to match(ldap_attributes)
end.and_return({})
adapter.users('uid', 'johndoe')
end
it 'searches with the proper options when searching by dn' do
expect(adapter).to receive(:ldap_search).with(
base: 'uid=johndoe,ou=users,dc=example,dc=com',
scope: Net::LDAP::SearchScope_BaseObject,
attributes: ldap_attributes,
filter: nil
).and_return({})
adapter.users('dn', 'uid=johndoe,ou=users,dc=example,dc=com')
end
it 'searches with the proper options when searching with a limit' do
expect(adapter)
.to receive(:ldap_search).with(hash_including(size: 100)).and_return({})
adapter.users('uid', 'johndoe', 100)
end
it 'returns an LDAP::Person if search returns a result' do
entry = ldap_user_entry('johndoe')
allow(adapter).to receive(:ldap_search).and_return([entry])
results = adapter.users('uid', 'johndoe')
expect(results.size).to eq(1)
expect(results.first.uid).to eq('johndoe')
end
it 'returns empty array if search entry does not respond to uid' do
entry = Net::LDAP::Entry.new
entry['dn'] = user_dn('johndoe')
allow(adapter).to receive(:ldap_search).and_return([entry])
results = adapter.users('uid', 'johndoe')
expect(results).to be_empty
end
it 'uses the right uid attribute when non-default' do
stub_ldap_config(uid: 'sAMAccountName')
expect(adapter).to receive(:ldap_search).with(
hash_including(attributes: ldap_attributes)
).and_return({})
adapter.users('sAMAccountName', 'johndoe')
end
end
describe '#dn_matches_filter?' do
subject { adapter.dn_matches_filter?(:dn, :filter) }
context "when the search result is non-empty" do
before do
allow(adapter).to receive(:ldap_search).and_return([:foo])
end
it { is_expected.to be_truthy }
end
context "when the search result is empty" do
before do
allow(adapter).to receive(:ldap_search).and_return([])
end
it { is_expected.to be_falsey }
end
end
describe '#ldap_search' do
subject { adapter.ldap_search(base: :dn, filter: :filter) }
context "when the search is successful" do
context "and the result is non-empty" do
before do
allow(ldap).to receive(:search).and_return([:foo])
end
it { is_expected.to eq [:foo] }
end
context "and the result is empty" do
before do
allow(ldap).to receive(:search).and_return([])
end
it { is_expected.to eq [] }
end
end
context "when the search encounters an error" do
before do
allow(ldap).to receive_messages(
search: nil,
get_operation_result: double(code: 1, message: 'some error')
)
end
it { is_expected.to eq [] }
end
context "when the search raises an LDAP exception" do
before do
allow(adapter).to receive(:renew_connection_adapter).and_return(ldap)
allow(ldap).to receive(:search) { raise Net::LDAP::Error, "some error" }
allow(Rails.logger).to receive(:warn)
end
context 'retries the operation' do
before do
stub_const("#{described_class}::MAX_SEARCH_RETRIES", 3)
end
it 'as many times as MAX_SEARCH_RETRIES' do
expect(ldap).to receive(:search).exactly(3).times
expect { subject }.to raise_error(Gitlab::Auth::LDAP::LDAPConnectionError)
end
context 'when no more retries' do
before do
stub_const("#{described_class}::MAX_SEARCH_RETRIES", 1)
end
it 'raises the exception' do
expect { subject }.to raise_error(Gitlab::Auth::LDAP::LDAPConnectionError)
end
it 'logs the error' do
expect { subject }.to raise_error(Gitlab::Auth::LDAP::LDAPConnectionError)
expect(Rails.logger).to have_received(:warn).with(
"LDAP search raised exception Net::LDAP::Error: some error")
end
end
end
end
end
def ldap_attributes
Gitlab::Auth::LDAP::Person.ldap_attributes(Gitlab::Auth::LDAP::Config.new('ldapmain'))
end
end
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