1 files changed, 132 insertions, 0 deletions
diff --git a/spec/models/integrations/mattermost_slash_commands_spec.rb b/spec/models/integrations/mattermost_slash_commands_spec.rb
new file mode 100644
index 00000000000..c8a6584591c
--- /dev/null
+++ b/spec/models/integrations/mattermost_slash_commands_spec.rb
@@ -0,0 +1,132 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Integrations::MattermostSlashCommands do
+  it_behaves_like Integrations::BaseSlashCommands
+
+  context 'Mattermost API' do
+    let(:project) { create(:project) }
+    let(:service) { project.build_mattermost_slash_commands_service }
+    let(:user) { create(:user) }
+
+    before do
+      session = ::Mattermost::Session.new(nil)
+      session.base_uri = 'http://mattermost.example.com'
+
+      allow_any_instance_of(::Mattermost::Client).to receive(:with_session)
+        .and_yield(session)
+    end
+
+    describe '#configure' do
+      subject do
+        service.configure(user, team_id: 'abc',
+                                trigger: 'gitlab', url: 'http://trigger.url',
+                                icon_url: 'http://icon.url/icon.png')
+      end
+
+      context 'the requests succeeds' do
+        before do
+          stub_request(:post, 'http://mattermost.example.com/api/v4/commands')
+            .with(body: {
+              team_id: 'abc',
+              trigger: 'gitlab',
+              url: 'http://trigger.url',
+              icon_url: 'http://icon.url/icon.png',
+              auto_complete: true,
+              auto_complete_desc: "Perform common operations on: #{project.full_name}",
+              auto_complete_hint: '[help]',
+              description: "Perform common operations on: #{project.full_name}",
+              display_name: "GitLab / #{project.full_name}",
+              method: 'P',
+              username: 'GitLab'
+            }.to_json)
+            .to_return(
+              status: 200,
+              headers: { 'Content-Type' => 'application/json' },
+              body: { token: 'token' }.to_json
+            )
+        end
+
+        it 'saves the service' do
+          expect { subject }.to change { project.integrations.count }.by(1)
+        end
+
+        it 'saves the token' do
+          subject
+
+          expect(service.reload.token).to eq('token')
+        end
+      end
+
+      context 'an error is received' do
+        before do
+          stub_request(:post, 'http://mattermost.example.com/api/v4/commands')
+            .to_return(
+              status: 500,
+              headers: { 'Content-Type' => 'application/json' },
+              body: {
+                id: 'api.command.duplicate_trigger.app_error',
+                message: 'This trigger word is already in use. Please choose another word.',
+                detailed_error: '',
+                request_id: 'obc374man7bx5r3dbc1q5qhf3r',
+                status_code: 500
+              }.to_json
+            )
+        end
+
+        it 'shows error messages' do
+          succeeded, message = subject
+
+          expect(succeeded).to be(false)
+          expect(message).to eq('This trigger word is already in use. Please choose another word.')
+        end
+      end
+    end
+
+    describe '#list_teams' do
+      subject do
+        service.list_teams(user)
+      end
+
+      context 'the requests succeeds' do
+        before do
+          stub_request(:get, 'http://mattermost.example.com/api/v4/users/me/teams')
+            .to_return(
+              status: 200,
+              headers: { 'Content-Type' => 'application/json' },
+              body: [{ id: 'test_team_id' }].to_json
+            )
+        end
+
+        it 'returns a list of teams' do
+          expect(subject).not_to be_empty
+        end
+      end
+
+      context 'an error is received' do
+        before do
+          stub_request(:get, 'http://mattermost.example.com/api/v4/users/me/teams')
+            .to_return(
+              status: 500,
+              headers: { 'Content-Type' => 'application/json' },
+              body: {
+                message: 'Failed to get team list.'
+              }.to_json
+            )
+        end
+
+        it 'shows error messages' do
+          expect(subject).to eq([[], "Failed to get team list."])
+        end
+      end
+    end
+
+    describe '#chat_responder' do
+      it 'returns the responder to use for Mattermost' do
+        expect(described_class.new.chat_responder)
+          .to eq(Gitlab::Chat::Responder::Mattermost)
+      end
+    end
+  end
+end