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require 'spec_helper'
module Arel
module Visitors
describe 'the to_sql visitor' do
before do
@visitor = ToSql.new Table.engine
@attr = Table.new(:users)[:id]
end
describe 'equality' do
it 'should handle false' do
sql = @visitor.accept Nodes::Equality.new(false, false)
sql.should be_like %{ 'f' = 'f' }
end
end
it "should visit_DateTime" do
@visitor.accept DateTime.now
end
it "should visit_Float" do
@visitor.accept 2.14
end
it "should visit_Hash" do
@visitor.accept({:a => 1})
end
it "should visit_BigDecimal" do
@visitor.accept BigDecimal.new('2.14')
end
it "should visit_Date" do
@visitor.accept Date.today
end
it "should visit_Arel_Nodes_And" do
node = Nodes::And.new @attr.eq(10), @attr.eq(11)
@visitor.accept(node).should be_like %{
"users"."id" = 10 AND "users"."id" = 11
}
end
it "should visit_Arel_Nodes_Or" do
node = Nodes::Or.new @attr.eq(10), @attr.eq(11)
@visitor.accept(node).should be_like %{
"users"."id" = 10 OR "users"."id" = 11
}
end
it "should visit visit_Arel_Attributes_Time" do
attr = Attributes::Time.new(@attr.relation, @attr.name, @attr.column)
@visitor.accept attr
end
it "should visit_TrueClass" do
@visitor.accept(@attr.eq(true)).should be_like %{ "users"."id" = 't' }
end
describe "Nodes::In" do
it "should know how to visit" do
node = @attr.in [1, 2, 3]
@visitor.accept(node).should be_like %{
"users"."id" IN (1, 2, 3)
}
end
it "should turn empty right to NULL" do
node = @attr.in []
@visitor.accept(node).should be_like %{
"users"."id" IN (NULL)
}
end
it 'can handle two dot ranges' do
node = @attr.in 1..3
@visitor.accept(node).should be_like %{
"users"."id" BETWEEN 1 AND 3
}
end
it 'can handle three dot ranges' do
node = @attr.in 1...3
@visitor.accept(node).should be_like %{
"users"."id" >= 1 AND "users"."id" < 3
}
end
end
describe 'Equality' do
it "should escape strings" do
test = @attr.eq 'Aaron Patterson'
@visitor.accept(test).should be_like %{
"users"."id" = 'Aaron Patterson'
}
end
end
end
end
end
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