Commit 71386b6

@@ -0,0 +1,13 @@
+package domain
+
+type MovieLibrary struct {
+  Movies []Movie
+}
+
+func (self *MovieLibrary) Add(movie Movie) {
+  self.Movies = append(self.Movies, movie)
+}
+
+func (self *MovieLibrary) Count() int {
+  return len(self.Movies)
+}

@@ -0,0 +1,42 @@
+package testing
+
+import "testing"
+import "movies/domain"
+
+func TestMovieLibrary(t *testing.T) {
+  library := domain.MovieLibrary{}
+
+  pixar := domain.Studio{Name: "Pixar"}
+  disney := domain.Studio{Name: "Disney"}
+  castle_rock := domain.Studio{Name: "Castle Rock"}
+  miramax_films := domain.Studio{Name: "Miramax"}
+  regency_enterprises := domain.Studio{Name: "Regency"}
+
+  shawshank_redemption := domain.Movie{Title: "The Shawshank Redemption", Year: 1994, Studio: castle_rock}
+  chasing_amy := domain.Movie{Title: "Chasing Amy", Studio: miramax_films, Year: 1997}
+  man_on_fire := domain.Movie{Title: "Man on Fire", Studio: regency_enterprises, Year: 2004}
+  toy_story := domain.Movie{Title: "Toy Story", Studio: pixar, Year: 1995}
+  up := domain.Movie{Title: "Up", Studio: pixar, Year: 2006}
+  cars := domain.Movie{Title: "Cars", Studio: pixar, Year: 2009}
+  monsters_inc := domain.Movie{Title: "Monsters Inc.", Studio: pixar, Year: 2001}
+  fantasia := domain.Movie{Title: "Fantasia", Studio: disney, Year: 1940}
+  dumbo := domain.Movie{Title: "Dumbo", Studio: disney, Year: 1941}
+  pinocchio := domain.Movie{Title: "Pinocchio", Studio: disney, Year: 1940}
+
+  t.Run("Add", func(t *testing.T) {
+    library.Add(shawshank_redemption)
+    library.Add(chasing_amy)
+    library.Add(man_on_fire)
+    library.Add(toy_story)
+    library.Add(up)
+    library.Add(cars)
+    library.Add(monsters_inc)
+    library.Add(fantasia)
+    library.Add(dumbo)
+    library.Add(pinocchio)
+
+    t.Run("Length", func(t *testing.T) {
+      if library.Count() != 10 { t.Fatal(library.Count()) }
+    })
+  })
+}

@@ -6,10 +6,10 @@ import (
 )
 
 func TestMovie(t *testing.T) {
-  pixar := domain.Studio{ Name: "Pixar" }
+  pixar := domain.Studio{Name: "Pixar"}
   movie := domain.Movie{
-    Title: "A Bugs Life",
-    Year: 1998,
+    Title:  "A Bugs Life",
+    Year:   1998,
     Studio: pixar,
   }
 

@@ -6,3 +6,9 @@ unit:
 
 integration:
 	go test ./test/integration/...
+
+lint:
+	golint ./...
+
+fmt:
+	gofmt -w -e ./