1 files changed, 88 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/config/entry/product/variables_spec.rb b/spec/lib/gitlab/ci/config/entry/product/variables_spec.rb
new file mode 100644
index 00000000000..230b001d620
--- /dev/null
+++ b/spec/lib/gitlab/ci/config/entry/product/variables_spec.rb
@@ -0,0 +1,88 @@
+# frozen_string_literal: true
+
+require 'fast_spec_helper'
+require_dependency 'active_model'
+
+RSpec.describe Gitlab::Ci::Config::Entry::Product::Variables do
+  let(:entry) { described_class.new(config) }
+
+  describe 'validations' do
+    context 'when entry config value is correct' do
+      let(:config) do
+        {
+          'VARIABLE_1' => 1,
+          'VARIABLE_2' => 'value 2',
+          'VARIABLE_3' => :value_3,
+          :VARIABLE_4 => 'value 4',
+          5 => ['value 5'],
+          'VARIABLE_6' => ['value 6']
+        }
+      end
+
+      describe '#value' do
+        it 'returns hash with key value strings' do
+          expect(entry.value).to match({
+            'VARIABLE_1' => ['1'],
+            'VARIABLE_2' => ['value 2'],
+            'VARIABLE_3' => ['value_3'],
+            'VARIABLE_4' => ['value 4'],
+            '5' => ['value 5'],
+            'VARIABLE_6' => ['value 6']
+          })
+        end
+      end
+
+      describe '#errors' do
+        it 'does not append errors' do
+          expect(entry.errors).to be_empty
+        end
+      end
+
+      describe '#valid?' do
+        it 'is valid' do
+          expect(entry).to be_valid
+        end
+      end
+    end
+
+    context 'when entry value is not correct' do
+      shared_examples 'invalid variables' do |message|
+        describe '#errors' do
+          it 'saves errors' do
+            expect(entry.errors).to include(message)
+          end
+        end
+
+        describe '#valid?' do
+          it 'is not valid' do
+            expect(entry).not_to be_valid
+          end
+        end
+      end
+
+      context 'with array' do
+        let(:config) { [:VAR, 'test'] }
+
+        it_behaves_like 'invalid variables', /should be a hash of key value pairs/
+      end
+
+      context 'with empty array' do
+        let(:config) { { VAR: 'test', VAR2: [] } }
+
+        it_behaves_like 'invalid variables', /should be a hash of key value pairs/
+      end
+
+      context 'with nested array' do
+        let(:config) { { VAR: 'test', VAR2: [1, [2]] } }
+
+        it_behaves_like 'invalid variables', /should be a hash of key value pairs/
+      end
+
+      context 'with only one variable' do
+        let(:config) { { VAR: 'test' } }
+
+        it_behaves_like 'invalid variables', /variables config requires at least 2 items/
+      end
+    end
+  end
+end