Class ActiveRecord::StatementCacheTest < ActiveRecord::TestCase

# File activerecord/test/cases/statement_cache_test.rb, line 9
def setup
  @connection = ActiveRecord::Base.connection
end

# File activerecord/test/cases/statement_cache_test.rb, line 43
def test_find_or_create_by
  Book.create(name: "my book")

  a = Book.find_or_create_by(name: "my book")
  b = Book.find_or_create_by(name: "my other book")

  assert_equal("my book", a.name)
  assert_equal("my other book", b.name)
end

# File activerecord/test/cases/statement_cache_test.rb, line 14
def test_statement_cache
  Book.create(name: "my book")
  Book.create(name: "my other book")

  cache = StatementCache.create(Book.connection) do |params|
    Book.where(:name => params.bind)
  end

  b = cache.execute([ "my book" ], Book, Book.connection)
  assert_equal "my book", b[0].name
  b = cache.execute([ "my other book" ], Book, Book.connection)
  assert_equal "my other book", b[0].name
end

# File activerecord/test/cases/statement_cache_test.rb, line 29
def test_statement_cache_id
  b1 = Book.create(name: "my book")
  b2 = Book.create(name: "my other book")

  cache = StatementCache.create(Book.connection) do |params|
    Book.where(id: params.bind)
  end

  b = cache.execute([ b1.id ], Book, Book.connection)
  assert_equal b1.name, b[0].name
  b = cache.execute([ b2.id ], Book, Book.connection)
  assert_equal b2.name, b[0].name
end

# File activerecord/test/cases/statement_cache_test.rb, line 79
def test_statement_cache_values_differ
  cache = ActiveRecord::StatementCache.create(Book.connection) do |params|
    Book.where(name: "my book")
  end

  3.times do
    Book.create(name: "my book")
  end

  first_books = cache.execute([], Book, Book.connection)

  3.times do
    Book.create(name: "my book")
  end

  additional_books = cache.execute([], Book, Book.connection)
  assert first_books != additional_books
end

# File activerecord/test/cases/statement_cache_test.rb, line 66
def test_statement_cache_with_complex_statement
  cache = ActiveRecord::StatementCache.create(Book.connection) do |params|
    Liquid.joins(:molecules => :electrons).where('molecules.name' => 'dioxane', 'electrons.name' => 'lepton')
  end

  salty = Liquid.create(name: 'salty')
  molecule = salty.molecules.create(name: 'dioxane')
  molecule.electrons.create(name: 'lepton')

  liquids = cache.execute([], Book, Book.connection)
  assert_equal "salty", liquids[0].name
end

# File activerecord/test/cases/statement_cache_test.rb, line 55
def test_statement_cache_with_simple_statement
  cache = ActiveRecord::StatementCache.create(Book.connection) do |params|
    Book.where(name: "my book").where("author_id > 3")
  end

  Book.create(name: "my book", author_id: 4)

  books = cache.execute([], Book, Book.connection)
  assert_equal "my book", books[0].name
end

# File activerecord/test/cases/statement_cache_test.rb, line 98
def test_unprepared_statements_dont_share_a_cache_with_prepared_statements
  Book.create(name: "my book")
  Book.create(name: "my other book")

  book = Book.find_by(name: "my book")
  other_book = Book.connection.unprepared_statement do
    Book.find_by(name: "my other book")
  end

  refute_equal book, other_book
end