require 'abstract_unit'
require 'fixtures/company'
require 'fixtures/topic'
require 'fixtures/entrant'

class FinderTest < Test::Unit::TestCase
  def setup
    @company_fixtures = create_fixtures("companies")
    @topic_fixtures   = create_fixtures("topics")
    @entrant_fixtures = create_fixtures("entrants")
  end
  
  def test_find
    assert_equal(@topic_fixtures["first"]["title"], Topic.find(1).title)
  end
  
  def test_find_by_array_of_one_id
    assert_kind_of(Array, Topic.find([ 1 ]))
       assert_equal(1, Topic.find([ 1 ]).length)
  end
  
  def test_find_by_ids
    assert_equal(2, Topic.find(1, 2).length)
    assert_equal(@topic_fixtures["second"]["title"], Topic.find([ 2 ]).first.title)
  end

  def test_find_by_ids_missing_one
    assert_raises(ActiveRecord::RecordNotFound) {
      Topic.find(1, 2, 45)
    }
  end
  
  def test_find_all_with_limit
    entrants = Entrant.find_all nil, "id ASC", 2
    
    assert_equal(2, entrants.size)
    assert_equal(@entrant_fixtures["first"]["name"], entrants.first.name)
  end

  def test_find_all_with_prepared_limit_and_offset
    entrants = Entrant.find_all nil, "id ASC", ["? OFFSET ?", 2, 1]
    
    assert_equal(2, entrants.size)
    assert_equal(@entrant_fixtures["second"]["name"], entrants.first.name)
  end

  def test_find_with_entire_select_statement
    topics = Topic.find_by_sql "SELECT * FROM topics WHERE author_name = 'Mary'"
    
    assert_equal(1, topics.size)
    assert_equal(@topic_fixtures["second"]["title"], topics.first.title)
  end
  
  def test_find_with_prepared_select_statement
    topics = Topic.find_by_sql ["SELECT * FROM topics WHERE author_name = ?", "Mary"]
    
    assert_equal(1, topics.size)
    assert_equal(@topic_fixtures["second"]["title"], topics.first.title)
  end
  
  def test_find_first
    first = Topic.find_first "title = 'The First Topic'"
    assert_equal(@topic_fixtures["first"]["title"], first.title)
  end
  
  def test_find_first_failing
    first = Topic.find_first "title = 'The First Topic!'"
    assert_nil(first)
  end

  def test_unexisting_record_exception_handling
    assert_raises(ActiveRecord::RecordNotFound) {
      Topic.find(1).parent
    }
    
    Topic.find(2).parent
  end

  def test_find_on_conditions
    assert Topic.find_on_conditions(1, "approved = 0")
    assert_raises(ActiveRecord::RecordNotFound) { Topic.find_on_conditions(1, "approved = 1") }
  end
  
  def test_condition_interpolation
    assert_kind_of Firm, Company.find_first(["name = '%s'", "37signals"])
    assert_nil Company.find_first(["name = '%s'", "37signals!"])
    assert_nil Company.find_first(["name = '%s'", "37signals!' OR 1=1"])
    assert_kind_of Time, Topic.find_first(["id = %d", 1]).written_on
  end

  def test_bind_variables
    assert_kind_of Firm, Company.find_first(["name = ?", "37signals"])
    assert_nil Company.find_first(["name = ?", "37signals!"])
    assert_nil Company.find_first(["name = ?", "37signals!' OR 1=1"])
    assert_kind_of Time, Topic.find_first(["id = ?", 1]).written_on
    assert_raises(ActiveRecord::PreparedStatementInvalid) {
      Company.find_first(["id=? AND name = ?", 2])
    }
    assert_raises(ActiveRecord::PreparedStatementInvalid) {
	   Company.find_first(["id=?", 2, 3, 4])
    }
  end
  
  def test_bind_variables_with_quotes
    Company.create("name" => "37signals' go'es agains")
    assert Company.find_first(["name = ?", "37signals' go'es agains"])
  end

  def test_named_bind_variables_with_quotes
    Company.create("name" => "37signals' go'es agains")
    assert Company.find_first(["name = :name", {:name => "37signals' go'es agains"}])
  end

  def test_named_bind_variables
    assert_kind_of Firm, Company.find_first(["name = :name", { :name => "37signals" }])
    assert_nil Company.find_first(["name = :name", { :name => "37signals!" }])
    assert_nil Company.find_first(["name = :name", { :name => "37signals!' OR 1=1" }])
    assert_kind_of Time, Topic.find_first(["id = :id", { :id => 1 }]).written_on
    assert_raises(ActiveRecord::PreparedStatementInvalid) {
      Company.find_first(["id=:id and name=:name", { :id=>3 }])
    }
    assert_raises(ActiveRecord::PreparedStatementInvalid) {
      Company.find_first(["id=:id", { :id=>3, :name=>"37signals!" }])
    }
  end

  
	
  def test_string_sanitation
    assert_not_equal "'something ' 1=1'", ActiveRecord::Base.sanitize("something ' 1=1")
    assert_equal "'something; select table'", ActiveRecord::Base.sanitize("something; select table")
  end

  def test_count
    assert_equal(0, Entrant.count("id > 3"))
    assert_equal(1, Entrant.count(["id > ?", 2]))
    assert_equal(2, Entrant.count(["id > ?", 1]))
  end

  def test_count_by_sql
    assert_equal(0, Entrant.count_by_sql("SELECT COUNT(*) FROM entrants WHERE id > 3"))
    assert_equal(1, Entrant.count_by_sql(["SELECT COUNT(*) FROM entrants WHERE id > ?", 2]))
    assert_equal(2, Entrant.count_by_sql(["SELECT COUNT(*) FROM entrants WHERE id > ?", 1]))
  end
end