Add implementation of StringPath class

`StringPath` class is something similar to Ruby's `Pathname` class,
but does not involve any IO operations. `StringPath` objects require
passing string representation of path, and array of paths that
represents universe to constructor to be intantiated.

1 files changed, 21 insertions, 0 deletions

diff --git a/spec/lib/gitlab/string_path_spec.rb b/spec/lib/gitlab/string_path_spec.rb
new file mode 100644
index 00000000000..14a08bcb49b
--- /dev/null
+++ b/spec/lib/gitlab/string_path_spec.rb
@@ -0,0 +1,21 @@
+require 'spec_helper'
+
+describe Gitlab::StringPath do
+  let(:universe) do
+    ['path/dir_1/',
+     'path/dir_1/file_1',
+     'path/second_dir',
+     'path/second_dir/dir_3/file_2',
+     'path/second_dir/dir_3/file_3',
+     'another_file',
+     '/file/with/absolute_path']
+  end
+
+  describe '/file/with/absolute_path' do
+    subject { described_class.new('/file/with/absolute_path', universe) }
+
+    it { is_expected.to be_absolute } 
+    it { is_expected.to_not be_relative }
+    it { is_expected.to be_file }
+  end
+end