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Contents
module Remarkable
module ActiveRecord
module Matchers
class HaveIndexMatcher < Remarkable::ActiveRecord::Base #:nodoc:
arguments :collection => :columns, :as => :column
optional :table_name
optional :unique, :default => true
collection_assertions :index_exists?, :is_unique?
protected
def index_exists?
!matched_index.nil?
end
def is_unique?
return true unless @options.key?(:unique)
return @options[:unique] == matched_index.unique, :actual => matched_index.unique
end
def matched_index
columns = [@column].flatten.map(&:to_s)
indexes.detect { |ind| ind.columns == columns }
end
def indexes
@indexes ||= ::ActiveRecord::Base.connection.indexes(current_table_name)
end
def interpolation_options
@subject ? { :table_name => current_table_name } : {}
end
private
def current_table_name
@options[:table_name] || subject_class.table_name
end
end
# Ensures the database column has specified index.
#
# == Options
#
# * <tt>unique</tt> - when supplied, tests if the index is unique or not
# * <tt>table_name</tt> - when supplied, tests if the index is defined for the given table
#
# == Examples
#
# it { should have_index(:ssn).unique(true) }
# it { should have_index([:name, :email]).unique(true) }
#
# should_have_index :ssn, :unique => true, :limit => 9, :null => false
#
# should_have_index :ssn do |m|
# m.unique
# m.limit = 9
# m.null = false
# end
#
def have_index(*args, &block)
HaveIndexMatcher.new(*args, &block).spec(self)
end
alias :have_indices :have_index
alias :have_db_index :have_index
alias :have_db_indices :have_index
end
end
end
Version data entries
13 entries across 13 versions & 5 rubygems