1 files changed, 63 insertions, 0 deletions
diff --git a/spec/finders/environment_names_finder_spec.rb b/spec/finders/environment_names_finder_spec.rb
new file mode 100644
index 00000000000..9244e4fb369
--- /dev/null
+++ b/spec/finders/environment_names_finder_spec.rb
@@ -0,0 +1,63 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe EnvironmentNamesFinder do
+  describe '#execute' do
+    let!(:group) { create(:group) }
+    let!(:project1) { create(:project, :public, namespace: group) }
+    let!(:project2) { create(:project, :private, namespace: group) }
+    let!(:user) { create(:user) }
+
+    before do
+      create(:environment, name: 'gstg', project: project1)
+      create(:environment, name: 'gprd', project: project1)
+      create(:environment, name: 'gprd', project: project2)
+      create(:environment, name: 'gcny', project: project2)
+    end
+
+    context 'using a group and a group member' do
+      it 'returns environment names for all projects' do
+        group.add_developer(user)
+
+        names = described_class.new(group, user).execute
+
+        expect(names).to eq(%w[gcny gprd gstg])
+      end
+    end
+
+    context 'using a group and a guest' do
+      it 'returns environment names for all public projects' do
+        names = described_class.new(group, user).execute
+
+        expect(names).to eq(%w[gprd gstg])
+      end
+    end
+
+    context 'using a public project and a project member' do
+      it 'returns all the unique environment names' do
+        project1.team.add_developer(user)
+
+        names = described_class.new(project1, user).execute
+
+        expect(names).to eq(%w[gprd gstg])
+      end
+    end
+
+    context 'using a public project and a guest' do
+      it 'returns all the unique environment names' do
+        names = described_class.new(project1, user).execute
+
+        expect(names).to eq(%w[gprd gstg])
+      end
+    end
+
+    context 'using a private project and a guest' do
+      it 'returns all the unique environment names' do
+        names = described_class.new(project2, user).execute
+
+        expect(names).to be_empty
+      end
+    end
+  end
+end