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|
# frozen_string_literal: true
require_relative "../helper"
class Arel::Nodes::OverTest < Arel::Spec
describe "as" do
it "should alias the expression" do
table = Arel::Table.new :users
table[:id].count.over.as("foo").to_sql.must_be_like %{
COUNT("users"."id") OVER () AS foo
}
end
end
describe "with literal" do
it "should reference the window definition by name" do
table = Arel::Table.new :users
table[:id].count.over("foo").to_sql.must_be_like %{
COUNT("users"."id") OVER "foo"
}
end
end
describe "with SQL literal" do
it "should reference the window definition by name" do
table = Arel::Table.new :users
table[:id].count.over(Arel.sql("foo")).to_sql.must_be_like %{
COUNT("users"."id") OVER foo
}
end
end
describe "with no expression" do
it "should use empty definition" do
table = Arel::Table.new :users
table[:id].count.over.to_sql.must_be_like %{
COUNT("users"."id") OVER ()
}
end
end
describe "with expression" do
it "should use definition in sub-expression" do
table = Arel::Table.new :users
window = Arel::Nodes::Window.new.order(table["foo"])
table[:id].count.over(window).to_sql.must_be_like %{
COUNT("users"."id") OVER (ORDER BY \"users\".\"foo\")
}
end
end
describe "equality" do
it "is equal with equal ivars" do
array = [
Arel::Nodes::Over.new("foo", "bar"),
Arel::Nodes::Over.new("foo", "bar")
]
assert_equal 1, array.uniq.size
end
it "is not equal with different ivars" do
array = [
Arel::Nodes::Over.new("foo", "bar"),
Arel::Nodes::Over.new("foo", "baz")
]
assert_equal 2, array.uniq.size
end
end
end
|
