1 files changed, 85 insertions, 3 deletions
diff --git a/CLI/ruby/spec/game_of_life/generators/seed_spec.rb b/CLI/ruby/spec/game_of_life/generators/seed_spec.rb
index 17037e6..b9f9ed2 100644
--- a/CLI/ruby/spec/game_of_life/generators/seed_spec.rb
+++ b/CLI/ruby/spec/game_of_life/generators/seed_spec.rb
@@ -2,9 +2,91 @@
 
 RSpec.describe GameOfLife::Generators::Seed do
   describe ".new" do
-    it "raises NotImplementedError" do
-      options = { "seed" => 1337, "width" => 1, "height" => 1 }
-      expect { described_class.new(options) }.to raise_error(NotImplementedError)
+    it "returns a GameOfLife::Universe" do
+      options = { "seed" => 1, "width" => 1, "height" => 1 }
+      expect(described_class.new(options)).to be_a GameOfLife::Universe
+    end
+
+    context "when seed => 1" do
+      it "returns the same universe for width => 10, height => 1" do
+        options = { "seed" => 1, "width" => 10, "height" => 1 }
+        stub_const("GameOfLife::Cell::LIVE_CELL", "X")
+        stub_const("GameOfLife::Cell::DEAD_CELL", ".")
+
+        universe = "..X..X.XXX"
+        expect(described_class.new(options).to_s).to eq universe
+      end
+
+      it "returns the same universe for width => 20, height => 1" do
+        options = { "seed" => 1, "width" => 20, "height" => 1 }
+        stub_const("GameOfLife::Cell::LIVE_CELL", "X")
+        stub_const("GameOfLife::Cell::DEAD_CELL", ".")
+
+        universe = "..X..X.XXXXX.X..XX.."
+        expect(described_class.new(options).to_s).to eq universe
+      end
+
+      it "returns the same universe for width => 20, height => 2" do
+        options = { "seed" => 1, "width" => 20, "height" => 2 }
+        stub_const("GameOfLife::Cell::LIVE_CELL", "X")
+        stub_const("GameOfLife::Cell::DEAD_CELL", ".")
+
+        universe = "..X..X.XXXXX.X..XX..\n" \
+                   "...X.XX.X.X.XXX.X.XX"
+        expect(described_class.new(options).to_s).to eq universe
+      end
+
+      it "returns the same universe for width => 20, height => 3" do
+        options = { "seed" => 1, "width" => 20, "height" => 3 }
+        stub_const("GameOfLife::Cell::LIVE_CELL", "X")
+        stub_const("GameOfLife::Cell::DEAD_CELL", ".")
+
+        universe = "..X..X.XXXXX.X..XX..\n" \
+                   "...X.XX.X.X.XXX.X.XX\n" \
+                   "X........X...XXXXXXX"
+        expect(described_class.new(options).to_s).to eq universe
+      end
+    end
+
+    context "when seed => 2" do
+      it "returns the same universe for width => 10, height => 1" do
+        options = { "seed" => 2, "width" => 10, "height" => 1 }
+        stub_const("GameOfLife::Cell::LIVE_CELL", "X")
+        stub_const("GameOfLife::Cell::DEAD_CELL", ".")
+
+        universe = "X.X.X....X"
+        expect(described_class.new(options).to_s).to eq universe
+      end
+
+      it "returns the same universe for width => 20, height => 1" do
+        options = { "seed" => 2, "width" => 20, "height" => 1 }
+        stub_const("GameOfLife::Cell::LIVE_CELL", "X")
+        stub_const("GameOfLife::Cell::DEAD_CELL", ".")
+
+        universe = "X.X.X....X.XXX..X..X"
+        expect(described_class.new(options).to_s).to eq universe
+      end
+
+      it "returns the same universe for width => 20, height => 2" do
+        options = { "seed" => 2, "width" => 20, "height" => 2 }
+        stub_const("GameOfLife::Cell::LIVE_CELL", "X")
+        stub_const("GameOfLife::Cell::DEAD_CELL", ".")
+
+        universe = "X.X.X....X.XXX..X..X\n" \
+                   "XX.X.XX.XXXX....XXXX"
+        expect(described_class.new(options).to_s).to eq universe
+      end
+
+      it "returns the same universe for width => 20, height => 3" do
+        options = { "seed" => 2, "width" => 20, "height" => 3 }
+        stub_const("GameOfLife::Cell::LIVE_CELL", "X")
+        stub_const("GameOfLife::Cell::DEAD_CELL", ".")
+
+        universe = "X.X.X....X.XXX..X..X\n" \
+                   "XX.X.XX.XXXX....XXXX\n" \
+                   "X...X.X..XX....X..X."
+        expect(described_class.new(options).to_s).to eq universe
+      end
     end
   end
 end