Adds interface for building objects with Replicator

Co-authored-by: Fito von Zastrow <adolfovon@gmail.com>

Author: aridlehoover

CHANGELOG.md

@@ -0,0 +1,12 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+### Added
+
+- Adds interface for building objects with Replicator

shard.yml

@@ -8,3 +8,8 @@ authors:
 crystal: 1.6.2
 
 license: MIT
+
+development_dependencies:
+  spectator:
+    gitlab: arctic-fox/spectator
+    version: = 0.10.6

spec/replicator_spec.cr

@@ -1,9 +1,12 @@
 require "./spec_helper"
 
-describe Replicator do
-  # TODO: Write tests
+class Galaxy; extend Replicator::Replicable; end
 
-  it "works" do
-    true.should eq(true)
+Spectator.describe Replicator do
+  describe ".build" do
+    it "returns an empty array when an unregistered class is provided" do
+      replicas = Galaxy.build(:iks_buruk)
+      expect(replicas.size).to eq(0)
+    end
   end
 end

spec/spec_helper.cr

@@ -1,2 +1,2 @@
-require "spec"
+require "spectator"
 require "../src/replicator"

src/replicator.cr

@@ -1,6 +1,5 @@
-# TODO: Write documentation for `Replicator`
+require "./replicator/replicable"
+
 module Replicator
   VERSION = "0.1.0"
-
-  # TODO: Put your code here
 end

src/replicator/replicable.cr

@@ -0,0 +1,7 @@
+module Replicator
+  module Replicable
+    def build(key)
+      Array(String).new
+    end
+  end
+end