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require 'helper'
module Arel
describe 'insert manager' do
describe 'new' do
it 'takes an engine' do
Arel::InsertManager.new
end
end
describe 'insert' do
it 'can create a Values node' do
manager = Arel::InsertManager.new
values = manager.create_values %w{ a b }, %w{ c d }
assert_kind_of Arel::Nodes::Values, values
assert_equal %w{ a b }, values.left
assert_equal %w{ c d }, values.right
end
it 'allows sql literals' do
manager = Arel::InsertManager.new
manager.into Table.new(:users)
manager.values = manager.create_values [Arel.sql('*')], %w{ a }
manager.to_sql.must_be_like %{
INSERT INTO \"users\" VALUES (*)
}
end
it "inserts false" do
table = Table.new(:users)
manager = Arel::InsertManager.new
manager.insert [[table[:bool], false]]
manager.to_sql.must_be_like %{
INSERT INTO "users" ("bool") VALUES ('f')
}
end
it "inserts null" do
table = Table.new(:users)
manager = Arel::InsertManager.new
manager.insert [[table[:id], nil]]
manager.to_sql.must_be_like %{
INSERT INTO "users" ("id") VALUES (NULL)
}
end
it "inserts time" do
table = Table.new(:users)
manager = Arel::InsertManager.new
time = Time.now
attribute = table[:created_at]
manager.insert [[attribute, time]]
manager.to_sql.must_be_like %{
INSERT INTO "users" ("created_at") VALUES (#{Table.engine.connection.quote time})
}
end
it 'takes a list of lists' do
table = Table.new(:users)
manager = Arel::InsertManager.new
manager.into table
manager.insert [[table[:id], 1], [table[:name], 'aaron']]
manager.to_sql.must_be_like %{
INSERT INTO "users" ("id", "name") VALUES (1, 'aaron')
}
end
it 'defaults the table' do
table = Table.new(:users)
manager = Arel::InsertManager.new
manager.insert [[table[:id], 1], [table[:name], 'aaron']]
manager.to_sql.must_be_like %{
INSERT INTO "users" ("id", "name") VALUES (1, 'aaron')
}
end
it 'noop for empty list' do
table = Table.new(:users)
manager = Arel::InsertManager.new
manager.insert [[table[:id], 1]]
manager.insert []
manager.to_sql.must_be_like %{
INSERT INTO "users" ("id") VALUES (1)
}
end
end
describe 'into' do
it 'takes a Table and chains' do
manager = Arel::InsertManager.new
manager.into(Table.new(:users)).must_equal manager
end
it 'converts to sql' do
table = Table.new :users
manager = Arel::InsertManager.new
manager.into table
manager.to_sql.must_be_like %{
INSERT INTO "users"
}
end
end
describe 'columns' do
it "converts to sql" do
table = Table.new :users
manager = Arel::InsertManager.new
manager.into table
manager.columns << table[:id]
manager.to_sql.must_be_like %{
INSERT INTO "users" ("id")
}
end
end
describe "values" do
it "converts to sql" do
table = Table.new :users
manager = Arel::InsertManager.new
manager.into table
manager.values = Nodes::Values.new [1]
manager.to_sql.must_be_like %{
INSERT INTO "users" VALUES (1)
}
end
end
describe "combo" do
it "combines columns and values list in order" do
table = Table.new :users
manager = Arel::InsertManager.new
manager.into table
manager.values = Nodes::Values.new [1, 'aaron']
manager.columns << table[:id]
manager.columns << table[:name]
manager.to_sql.must_be_like %{
INSERT INTO "users" ("id", "name") VALUES (1, 'aaron')
}
end
end
describe "select" do
it "accepts a select query in place of a VALUES clause" do
table = Table.new :users
manager = Arel::InsertManager.new
manager.into table
select = Arel::SelectManager.new
select.project Arel.sql('1')
select.project Arel.sql('"aaron"')
manager.select select
manager.columns << table[:id]
manager.columns << table[:name]
manager.to_sql.must_be_like %{
INSERT INTO "users" ("id", "name") (SELECT 1, "aaron")
}
end
end
end
end
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