3 files changed, 81 insertions, 6 deletions
diff --git a/spec/lib/gitlab/ci/config/entry/default_spec.rb b/spec/lib/gitlab/ci/config/entry/default_spec.rb
index a0856037340..dad4f408e50 100644
--- a/spec/lib/gitlab/ci/config/entry/default_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/default_spec.rb
@@ -13,7 +13,7 @@ describe Gitlab::Ci::Config::Entry::Default do
     # that we know that we don't want to inherit
     # as they do not have sense in context of Default
     let(:ignored_inheritable_columns) do
-      %i[default include variables stages types]
+      %i[default include variables stages types workflow]
     end
   end
 
diff --git a/spec/lib/gitlab/ci/config/entry/root_spec.rb b/spec/lib/gitlab/ci/config/entry/root_spec.rb
index 3877eec8887..43bd53b780f 100644
--- a/spec/lib/gitlab/ci/config/entry/root_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/root_spec.rb
@@ -18,9 +18,8 @@ describe Gitlab::Ci::Config::Entry::Root do
         #
         # The purpose of `Root` is have only globally defined configuration.
         expect(described_class.nodes.keys)
-          .to match_array(%i[before_script image services
-                             after_script variables cache
-                             stages types include default])
+          .to match_array(%i[before_script image services after_script
+                             variables cache stages types include default workflow])
       end
     end
   end
@@ -50,7 +49,7 @@ describe Gitlab::Ci::Config::Entry::Root do
         end
 
         it 'creates node object for each entry' do
-          expect(root.descendants.count).to eq 10
+          expect(root.descendants.count).to eq 11
         end
 
         it 'creates node object using valid class' do
@@ -203,7 +202,7 @@ describe Gitlab::Ci::Config::Entry::Root do
 
       describe '#nodes' do
         it 'instantizes all nodes' do
-          expect(root.descendants.count).to eq 10
+          expect(root.descendants.count).to eq 11
         end
 
         it 'contains unspecified nodes' do
diff --git a/spec/lib/gitlab/ci/config/entry/workflow_spec.rb b/spec/lib/gitlab/ci/config/entry/workflow_spec.rb
new file mode 100644
index 00000000000..f2832b94bf0
--- /dev/null
+++ b/spec/lib/gitlab/ci/config/entry/workflow_spec.rb
@@ -0,0 +1,76 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Ci::Config::Entry::Workflow do
+  let(:factory) { Gitlab::Config::Entry::Factory.new(described_class).value(rules_hash) }
+  let(:config)  { factory.create! }
+
+  describe 'validations' do
+    context 'when work config value is a string' do
+      let(:rules_hash) { 'build' }
+
+      describe '#valid?' do
+        it 'is invalid' do
+          expect(config).not_to be_valid
+        end
+
+        it 'attaches an error specifying that workflow should point to a hash' do
+          expect(config.errors).to include('workflow config should be a hash')
+        end
+      end
+
+      describe '#value' do
+        it 'returns the invalid configuration' do
+          expect(config.value).to eq(rules_hash)
+        end
+      end
+    end
+
+    context 'when work config value is a hash' do
+      let(:rules_hash) { { rules: [{ if: '$VAR' }] } }
+
+      describe '#valid?' do
+        it 'is valid' do
+          expect(config).to be_valid
+        end
+
+        it 'attaches no errors' do
+          expect(config.errors).to be_empty
+        end
+      end
+
+      describe '#value' do
+        it 'returns the config' do
+          expect(config.value).to eq(rules_hash)
+        end
+      end
+
+      context 'with an invalid key' do
+        let(:rules_hash) { { trash: [{ if: '$VAR' }] } }
+
+        describe '#valid?' do
+          it 'is invalid' do
+            expect(config).not_to be_valid
+          end
+
+          it 'attaches an error specifying the unknown key' do
+            expect(config.errors).to include('workflow config contains unknown keys: trash')
+          end
+        end
+
+        describe '#value' do
+          it 'returns the invalid configuration' do
+            expect(config.value).to eq(rules_hash)
+          end
+        end
+      end
+    end
+  end
+
+  describe '.default' do
+    it 'is nil' do
+      expect(described_class.default).to be_nil
+    end
+  end
+end