1 files changed, 78 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/external/file/local_spec.rb b/spec/lib/gitlab/ci/external/file/local_spec.rb
new file mode 100644
index 00000000000..3f32d81a827
--- /dev/null
+++ b/spec/lib/gitlab/ci/external/file/local_spec.rb
@@ -0,0 +1,78 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Ci::External::File::Local do
+  let(:project) { create(:project, :repository) }
+  let(:local_file) { described_class.new(location, { project: project, sha: '12345' }) }
+
+  describe '#valid?' do
+    context 'when is a valid local path' do
+      let(:location) { '/vendor/gitlab-ci-yml/existent-file.yml' }
+
+      before do
+        allow_any_instance_of(described_class).to receive(:fetch_local_content).and_return("image: 'ruby2:2'")
+      end
+
+      it 'should return true' do
+        expect(local_file.valid?).to be_truthy
+      end
+    end
+
+    context 'when is not a valid local path' do
+      let(:location) { '/vendor/gitlab-ci-yml/non-existent-file.yml' }
+
+      it 'should return false' do
+        expect(local_file.valid?).to be_falsy
+      end
+    end
+
+    context 'when is not a yaml file' do
+      let(:location) { '/config/application.rb' }
+
+      it 'should return false' do
+        expect(local_file.valid?).to be_falsy
+      end
+    end
+  end
+
+  describe '#content' do
+    context 'with a a valid file' do
+      let(:local_file_content) do
+        <<~HEREDOC
+          before_script:
+            - apt-get update -qq && apt-get install -y -qq sqlite3 libsqlite3-dev nodejs
+            - ruby -v
+            - which ruby
+            - gem install bundler --no-ri --no-rdoc
+            - bundle install --jobs $(nproc)  "${FLAGS[@]}"
+        HEREDOC
+      end
+      let(:location) { '/vendor/gitlab-ci-yml/existent-file.yml' }
+
+      before do
+        allow_any_instance_of(described_class).to receive(:fetch_local_content).and_return(local_file_content)
+      end
+
+      it 'should return the content of the file' do
+        expect(local_file.content).to eq(local_file_content)
+      end
+    end
+
+    context 'with an invalid file' do
+      let(:location) { '/vendor/gitlab-ci-yml/non-existent-file.yml' }
+
+      it 'should be nil' do
+        expect(local_file.content).to be_nil
+      end
+    end
+  end
+
+  describe '#error_message' do
+    let(:location) { '/vendor/gitlab-ci-yml/non-existent-file.yml' }
+
+    it 'should return an error message' do
+      expect(local_file.error_message).to eq("Local file '#{location}' is not valid.")
+    end
+  end
+end