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require "cases/helper"
class AdapterTest < ActiveRecord::TestCase
def setup
@connection = ActiveRecord::Base.connection
end
def test_tables
if @connection.respond_to?(:tables)
tables = @connection.tables
assert tables.include?("accounts")
assert tables.include?("authors")
assert tables.include?("tasks")
assert tables.include?("topics")
else
warn "#{@connection.class} does not respond to #tables"
end
end
def test_indexes
idx_name = "accounts_idx"
if @connection.respond_to?(:indexes)
indexes = @connection.indexes("accounts")
assert indexes.empty?
@connection.add_index :accounts, :firm_id, :name => idx_name
indexes = @connection.indexes("accounts")
assert_equal "accounts", indexes.first.table
# OpenBase does not have the concept of a named index
# Indexes are merely properties of columns.
assert_equal idx_name, indexes.first.name unless current_adapter?(:OpenBaseAdapter)
assert !indexes.first.unique
assert_equal ["firm_id"], indexes.first.columns
else
warn "#{@connection.class} does not respond to #indexes"
end
ensure
@connection.remove_index(:accounts, :name => idx_name) rescue nil
end
def test_current_database
if @connection.respond_to?(:current_database)
assert_equal ENV['ARUNIT_DB_NAME'] || "activerecord_unittest", @connection.current_database
end
end
if current_adapter?(:MysqlAdapter)
def test_charset
assert_not_nil @connection.charset
assert_not_equal 'character_set_database', @connection.charset
assert_equal @connection.show_variable('character_set_database'), @connection.charset
end
def test_collation
assert_not_nil @connection.collation
assert_not_equal 'collation_database', @connection.collation
assert_equal @connection.show_variable('collation_database'), @connection.collation
end
def test_show_nonexistent_variable_returns_nil
assert_nil @connection.show_variable('foo_bar_baz')
end
end
def test_table_alias
def @connection.test_table_alias_length() 10; end
class << @connection
alias_method :old_table_alias_length, :table_alias_length
alias_method :table_alias_length, :test_table_alias_length
end
assert_equal 'posts', @connection.table_alias_for('posts')
assert_equal 'posts_comm', @connection.table_alias_for('posts_comments')
assert_equal 'dbo_posts', @connection.table_alias_for('dbo.posts')
class << @connection
remove_method :table_alias_length
alias_method :table_alias_length, :old_table_alias_length
end
end
# test resetting sequences in odd tables in postgreSQL
if ActiveRecord::Base.connection.respond_to?(:reset_pk_sequence!)
require 'models/movie'
require 'models/subscriber'
def test_reset_empty_table_with_custom_pk
Movie.delete_all
Movie.connection.reset_pk_sequence! 'movies'
assert_equal 1, Movie.create(:name => 'fight club').id
end
if ActiveRecord::Base.connection.adapter_name != "FrontBase"
def test_reset_table_with_non_integer_pk
Subscriber.delete_all
Subscriber.connection.reset_pk_sequence! 'subscribers'
sub = Subscriber.new(:name => 'robert drake')
sub.id = 'bob drake'
assert_nothing_raised { sub.save! }
end
end
end
end
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