1 files changed, 61 insertions, 0 deletions
diff --git a/spec/lib/mattermost/command_spec.rb b/spec/lib/mattermost/command_spec.rb
new file mode 100644
index 00000000000..5ccf1100898
--- /dev/null
+++ b/spec/lib/mattermost/command_spec.rb
@@ -0,0 +1,61 @@
+require 'spec_helper'
+
+describe Mattermost::Command do
+  let(:params) { { 'token' => 'token', team_id: 'abc' } }
+
+  before do
+    Mattermost::Session.base_uri('http://mattermost.example.com')
+
+    allow_any_instance_of(Mattermost::Client).to receive(:with_session).
+      and_yield(Mattermost::Session.new(nil))
+  end
+
+  describe '#create' do
+    let(:params) do
+      { team_id: 'abc',
+        trigger: 'gitlab'
+      }
+    end
+
+    subject { described_class.new(nil).create(params) }
+
+    context 'for valid trigger word' do
+      before do
+        stub_request(:post, 'http://mattermost.example.com/api/v3/teams/abc/commands/create').
+          with(body: {
+            team_id: 'abc',
+            trigger: 'gitlab' }.to_json).
+          to_return(
+            status: 200,
+            headers: { 'Content-Type' => 'application/json' },
+            body: { token: 'token' }.to_json
+          )
+      end
+
+      it 'returns a token' do
+        is_expected.to eq('token')
+      end
+    end
+
+    context 'for error message' do
+      before do
+        stub_request(:post, 'http://mattermost.example.com/api/v3/teams/abc/commands/create').
+          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 'raises an error with message' do
+        expect { subject }.to raise_error(Mattermost::Error, 'This trigger word is already in use. Please choose another word.')
+      end
+    end
+  end
+end