6 files changed, 135 insertions, 0 deletions
diff --git a/spec/factories/chat_names.rb b/spec/factories/chat_names.rb
new file mode 100644
index 00000000000..24225468d55
--- /dev/null
+++ b/spec/factories/chat_names.rb
@@ -0,0 +1,16 @@
+FactoryGirl.define do
+  factory :chat_name, class: ChatName do
+    user factory: :user
+    service factory: :service
+
+    team_id 'T0001'
+    team_domain 'Awesome Team'
+
+    sequence :chat_id do |n|
+      "U#{n}"
+    end
+    sequence :chat_name do |n|
+      "user#{n}"
+    end
+  end
+end
diff --git a/spec/lib/gitlab/chat_name_token_spec.rb b/spec/lib/gitlab/chat_name_token_spec.rb
new file mode 100644
index 00000000000..8d7e7a99059
--- /dev/null
+++ b/spec/lib/gitlab/chat_name_token_spec.rb
@@ -0,0 +1,39 @@
+require 'spec_helper'
+
+describe Gitlab::ChatNameToken, lib: true do
+  context 'when using unknown token' do
+    let(:token) { }
+
+    subject { described_class.new(token).get }
+
+    it 'returns empty data' do
+      is_expected.to be_nil
+    end
+  end
+
+  context 'when storing data' do
+    let(:data) {
+      { key: 'value' }
+    }
+
+    subject { described_class.new(@token) }
+
+    before do
+      @token = described_class.new.store!(data)
+    end
+
+    it 'returns stored data' do
+      expect(subject.get).to eq(data)
+    end
+
+    context 'and after deleting them' do
+      before do
+        subject.delete
+      end
+
+      it 'data are removed' do
+        expect(subject.get).to be_nil
+      end
+    end
+  end
+end
diff --git a/spec/models/chat_name_spec.rb b/spec/models/chat_name_spec.rb
new file mode 100644
index 00000000000..b02971cab82
--- /dev/null
+++ b/spec/models/chat_name_spec.rb
@@ -0,0 +1,16 @@
+require 'spec_helper'
+
+describe ChatName, models: true do
+  subject { create(:chat_name) }
+
+  it { is_expected.to belong_to(:service) }
+  it { is_expected.to belong_to(:user) }
+
+  it { is_expected.to validate_presence_of(:user) }
+  it { is_expected.to validate_presence_of(:service) }
+  it { is_expected.to validate_presence_of(:team_id) }
+  it { is_expected.to validate_presence_of(:chat_id) }
+
+  it { is_expected.to validate_uniqueness_of(:user_id).scoped_to(:service_id) }
+  it { is_expected.to validate_uniqueness_of(:chat_id).scoped_to(:service_id, :team_id) }
+end
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 3b152e15b61..be6767855c7 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -33,6 +33,7 @@ describe User, models: true do
     it { is_expected.to have_many(:award_emoji).dependent(:destroy) }
     it { is_expected.to have_many(:builds).dependent(:nullify) }
     it { is_expected.to have_many(:pipelines).dependent(:nullify) }
+    it { is_expected.to have_many(:chat_names).dependent(:destroy) }
 
     describe '#group_members' do
       it 'does not include group memberships for which user is a requester' do
diff --git a/spec/services/chat_names/authorize_user_service_spec.rb b/spec/services/chat_names/authorize_user_service_spec.rb
new file mode 100644
index 00000000000..f8c26e51bfc
--- /dev/null
+++ b/spec/services/chat_names/authorize_user_service_spec.rb
@@ -0,0 +1,27 @@
+require 'spec_helper'
+
+describe ChatNames::AuthorizeUserService, services: true do
+  describe '#execute' do
+    let(:service) { create(:service) }
+
+    subject { described_class.new(service, params).execute }
+
+    context 'when all parameters are valid' do
+      let(:params) { { team_id: 'T0001', team_domain: 'myteam', user_id: 'U0001', user_name: 'user' } }
+
+      it 'requests a new token' do
+        is_expected.to include('http')
+        is_expected.to include('://')
+        is_expected.to include('token=')
+      end
+    end
+
+    context 'when there are missing parameters' do
+      let(:params) { { } }
+
+      it 'does not request a new token' do
+        is_expected.to be_nil
+      end
+    end
+  end
+end
diff --git a/spec/services/chat_names/find_user_service_spec.rb b/spec/services/chat_names/find_user_service_spec.rb
new file mode 100644
index 00000000000..cf5844069f9
--- /dev/null
+++ b/spec/services/chat_names/find_user_service_spec.rb
@@ -0,0 +1,36 @@
+require 'spec_helper'
+
+describe ChatNames::FindUserService, services: true do
+  describe '#execute' do
+    let(:service) { create(:service) }
+
+    subject { described_class.new(service, params).execute }
+
+    context 'find user mapping' do
+      let(:user) { create(:user) }
+      let!(:chat_name) { create(:chat_name, user: user, service: service) }
+
+      context 'when existing user is requested' do
+        let(:params) { { team_id: chat_name.team_id, user_id: chat_name.chat_id } }
+
+        it 'returns existing user' do
+          is_expected.to eq(user)
+        end
+
+        it 'updates when last time chat name was used' do
+          subject
+
+          expect(chat_name.reload.used_at).to be_like_time(Time.now)
+        end
+      end
+
+      context 'when different user is requested' do
+        let(:params) { { team_id: chat_name.team_id, user_id: 'non-existing-user' } }
+
+        it 'returns existing user' do
+          is_expected.to be_nil
+        end
+      end
+    end
+  end
+end