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should = require('chai').should
MovieLibrary = require('../src/movie_library')
Movie = require('../src/movie')
Studio = require('../src/studio')
describe "MovieLibrary", ->
beforeEach ->
@sut = new MovieLibrary
@shawshank_redemption = new Movie(title: "The Shawshank Redemption", studio: Studio.CastleRock, year_published: 1994)
@chasing_amy = new Movie(title: "Chasing Amy", studio: Studio.MiramaxFilms, year_published: 1997)
@man_on_fire = new Movie(title: "Man on Fire", studio: Studio.RegencyEnterprises, year_published: 2004)
@toy_story = new Movie(title: "Toy Story", studio: Studio.Pixar, year_published: 1995)
@up = new Movie(title: "Up", studio: Studio.Pixar, year_published: 2006)
@cars = new Movie(title: "Cars", studio: Studio.Pixar, year_published: 2009)
@monsters_inc = new Movie(title: "Monsters Inc.", studio: Studio.Pixar, year_published: 2001)
@fantasia = new Movie(title: "Fantasia", studio: Studio.Disney, year_published: 1940)
@dumbo = new Movie(title: "Dumbo", studio: Studio.Disney, year_published: 1941)
@pinocchio = new Movie(title: "Pinocchio", studio: Studio.Disney, year_published: 1940)
@all_movies = [@shawshank_redemption, @chasing_amy, @man_on_fire, @toy_story, @up, @cars, @monsters_inc, @fantasia, @dumbo, @pinocchio]
context "when adding a movie to the library", ->
it "increases the total number of movies in the library", ->
@sut.add(@shawshank_redemption)
@sut.add(@chasing_amy)
@sut.count().should.equal(2)
it "does not allow duplicate movies into the library", ->
@sut.add(@man_on_fire)
@sut.add(@man_on_fire)
@sut.count().should.equal(1)
it "does not add two movies that have the same title (logically the same)", ->
@sut.add(new Movie(title: 'old school'))
@sut.add(new Movie(title: 'old school'))
@sut.count().should.equal(1)
context "any?", ->
it "returns true when something matches", ->
@sut.add(new Movie(title: 'old school'))
@sut.add(new Movie(title: 'old school'))
result = @sut.any (movie) ->
movie.title == 'old school'
result.should.equal(true)
context "searching for movies", ->
beforeEach ->
for movie in @all_movies
@sut.add(movie)
it "can find all pixar movies", ->
results = @sut.all(Movie.where(studio: Studio.Pixar))
results.should.include(@toy_story)
results.should.include(@up)
results.should.include(@cars)
results.should.include(@monsters_inc)
it 'finds all movies published by pixar or disney', ->
results = @sut.all(Movie.where(studio: Studio.Pixar).or(Movie.where(studio: Studio.Disney)))
results.length.should.equal(7)
results.should.include(@toy_story)
results.should.include(@up)
results.should.include(@cars)
results.should.include(@monsters_inc)
results.should.include(@fantasia)
results.should.include(@dumbo)
results.should.include(@pinocchio)
it "finds all movies not published by pixar", ->
results = @sut.find_movies_not_published_by_pixar()
results.length.should.equal(6)
results.should.include(@fantasia)
results.should.include(@dumbo)
results.should.include(@pinocchio)
results.should.include(@shawshank_redemption)
results.should.include(@chasing_amy)
results.should.include(@man_on_fire)
it "finds all movies released after 2004", ->
results = @sut.find_movies_released_after_2004()
results.length.should.equal(2)
results.should.include(@up)
results.should.include(@cars)
it "finds all movies released between 1982 and 2003 - inclusive", ->
results = @sut.find_movies_released_between_1982_and_2003()
results.length.should.equal(4)
results.should.include(@shawshank_redemption)
results.should.include(@chasing_amy)
results.should.include(@toy_story)
results.should.include(@monsters_inc)
context "sorting movies", ->
beforeEach ->
@sut.add(movie) for movie in @all_movies
it "sorts all movies by title ascending", ->
expected_order = [ @cars, @chasing_amy, @dumbo, @fantasia, @man_on_fire, @monsters_inc, @pinocchio, @shawshank_redemption, @toy_story, @up ]
results = @sut.sort_by_title_ascending()
results.should.eql(expected_order)
it "sorts all movies by title descending", ->
expected_order = [ @up, @toy_story, @shawshank_redemption, @pinocchio, @monsters_inc, @man_on_fire, @fantasia, @dumbo, @chasing_amy, @cars ]
results = @sut.sort_by_title_descending()
results.should.eql(expected_order)
it 'Sorts all movies by descending release date', ->
expected_order = [@cars, @up, @man_on_fire, @monsters_inc, @chasing_amy, @toy_story, @shawshank_redemption, @dumbo, @fantasia, @pinocchio ]
results = @sut.sorted_by_year_published_descending()
results.should.eql(expected_order)
it 'Sorts all movies by ascending release date', ->
expected_order = [ @fantasia, @pinocchio, @dumbo, @shawshank_redemption, @toy_story, @chasing_amy, @monsters_inc, @man_on_fire, @up, @cars ]
results = @sut.sorted_by_year_published()
results.should.eql(expected_order)
it 'Sorts all movies by preferred studios and release date ascending', ->
#rankings: Pixar, Disney, CastleRock, MiramaxFilms, RegenceyEnterprises
rankings = [Studio.Pixar, Studio.Disney, Studio.CastleRock, Studio.MiramaxFilms, Studio.RegencyEnterprises]
expected_order = [ @toy_story, @monsters_inc, @up, @cars, @fantasia, @pinocchio, @dumbo, @shawshank_redemption, @chasing_amy, @man_on_fire ]
results = @sut.sorted_by_studio_rankings_then_by_year_published(rankings)
results.should.eql(expected_order)
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