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Contents
require 'helper'
require 'yaml'
module Arel
module Nodes
describe 'sql literal' do
before do
@visitor = Visitors::ToSql.new Table.engine.connection_pool
end
describe 'sql' do
it 'makes a sql literal node' do
sql = Arel.sql 'foo'
sql.must_be_kind_of Arel::Nodes::SqlLiteral
end
end
describe 'count' do
it 'makes a count node' do
node = SqlLiteral.new('*').count
@visitor.accept(node).must_be_like %{ COUNT(*) }
end
it 'makes a distinct node' do
node = SqlLiteral.new('*').count true
@visitor.accept(node).must_be_like %{ COUNT(DISTINCT *) }
end
end
describe 'equality' do
it 'makes an equality node' do
node = SqlLiteral.new('foo').eq(1)
@visitor.accept(node).must_be_like %{ foo = 1 }
end
it 'is equal with equal contents' do
array = [SqlLiteral.new('foo'), SqlLiteral.new('foo')]
assert_equal 1, array.uniq.size
end
it 'is not equal with different contents' do
array = [SqlLiteral.new('foo'), SqlLiteral.new('bar')]
assert_equal 2, array.uniq.size
end
end
describe 'grouped "or" equality' do
it 'makes a grouping node with an or node' do
node = SqlLiteral.new('foo').eq_any([1,2])
@visitor.accept(node).must_be_like %{ (foo = 1 OR foo = 2) }
end
end
describe 'grouped "and" equality' do
it 'makes a grouping node with an or node' do
node = SqlLiteral.new('foo').eq_all([1,2])
@visitor.accept(node).must_be_like %{ (foo = 1 AND foo = 2) }
end
end
describe 'serialization' do
it 'serializes into YAML' do
yaml_literal = SqlLiteral.new('foo').to_yaml
assert_equal('foo', YAML.load(yaml_literal))
end
end
end
end
end
Version data entries
6 entries across 6 versions & 2 rubygems