Add factory for fabricating new ci config nodes

1 files changed, 49 insertions, 0 deletions

diff --git a/spec/lib/gitlab/ci/config/node/factory_spec.rb b/spec/lib/gitlab/ci/config/node/factory_spec.rb
new file mode 100644
index 00000000000..73d760d1b0a
--- /dev/null
+++ b/spec/lib/gitlab/ci/config/node/factory_spec.rb
@@ -0,0 +1,49 @@
+require 'spec_helper'
+
+describe Gitlab::Ci::Config::Node::Factory do
+  describe '#create!' do
+    let(:factory) { described_class.new(entry_class) }
+    let(:entry_class) { Gitlab::Ci::Config::Node::Script }
+
+    context 'when value setting value' do
+      it 'creates entry with valid value' do
+        entry = factory
+          .with_value(['ls', 'pwd'])
+          .create!
+
+        expect(entry.value).to eq "ls\npwd"
+      end
+
+      context 'when setting description' do
+        it 'creates entry with description' do
+          entry = factory
+            .with_value(['ls', 'pwd'])
+            .with_description('test description')
+            .create!
+
+          expect(entry.value).to eq "ls\npwd"
+          expect(entry.description).to eq 'test description'
+        end
+      end
+    end
+
+    context 'when not setting value' do
+      it 'raises error' do
+        expect { factory.create! }.to raise_error(
+          Gitlab::Ci::Config::Node::Factory::InvalidFactory
+        )
+      end
+    end
+
+    context 'when creating a null entry' do
+      it 'creates a null entry' do
+        entry = factory
+          .with_value(nil)
+          .null_node
+          .create!
+
+        expect(entry).to be_an_instance_of Gitlab::Ci::Config::Node::Null
+      end
+    end
+  end
+end