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require 'spec_helper'
class User
def self.primary_key
"id"
end
end
module Arel
describe Update do
before do
@relation = Table.new(:users)
end
describe '#to_sql' do
it "manufactures sql updating attributes when given multiple attributes" do
sql = Update.new(@relation, @relation[:id] => 1, @relation[:name] => "nick").to_sql
adapter_is :mysql do
sql.should be_like(%Q{
UPDATE `users`
SET `id` = 1, `name` = 'nick'
})
end
adapter_is :sqlite3 do
sql.should be_like(%Q{
UPDATE "users"
SET "id" = 1, "name" = 'nick'
})
end
adapter_is :postgresql do
sql.should be_like(%Q{
UPDATE "users"
SET "id" = 1, "name" = E'nick'
})
end
adapter_is :oracle do
sql.should be_like(%Q{
UPDATE "USERS"
SET "ID" = 1, "NAME" = 'nick'
})
end
end
it "manufactures sql updating attributes when given a ranged relation" do
sql = Update.new(@relation.take(1), @relation[:name] => "nick").to_sql
adapter_is :mysql do
sql.should be_like(%Q{
UPDATE `users`
SET `name` = 'nick'
LIMIT 1
})
end
adapter_is :sqlite3 do
sql.should be_like(%Q{
UPDATE "users" SET
"name" = 'nick'
WHERE "id" IN (SELECT "id" FROM "users" LIMIT 1)
})
end
adapter_is :postgresql do
sql.should be_like(%Q{
UPDATE "users" SET
"name" = E'nick'
WHERE "id" IN (SELECT "id" FROM "users" LIMIT 1)
})
end
adapter_is :oracle do
sql.should be_like(%Q{
UPDATE "USERS" SET
"NAME" = 'nick'
WHERE "ID" IN (SELECT "ID" FROM "USERS" WHERE ROWNUM <= 1)
})
sql_with_order_by = Update.new(@relation.order(@relation[:id]).take(1), @relation[:name] => "nick").to_sql
sql_with_order_by.should be_like(%Q{
UPDATE "USERS" SET
"NAME" = 'nick'
WHERE "ID" IN (select * from
(SELECT "ID" FROM "USERS" ORDER BY "USERS"."ID" ASC)
where rownum <= 1)
})
end
end
describe 'when given values whose types correspond to the types of the attributes' do
before do
@update = Update.new(@relation, @relation[:name] => "nick")
end
it 'manufactures sql updating attributes' do
adapter_is :mysql do
@update.to_sql.should be_like(%Q{
UPDATE `users`
SET `name` = 'nick'
})
end
adapter_is :sqlite3 do
@update.to_sql.should be_like(%Q{
UPDATE "users"
SET "name" = 'nick'
})
end
adapter_is :postgresql do
@update.to_sql.should be_like(%Q{
UPDATE "users"
SET "name" = E'nick'
})
end
adapter_is :oracle do
@update.to_sql.should be_like(%Q{
UPDATE "USERS"
SET "NAME" = 'nick'
})
end
end
end
describe 'when given values whose types differ from from the types of the attributes' do
before do
@update = Update.new(@relation, @relation[:id] => '1-asdf')
end
it 'manufactures sql updating attributes' do
adapter_is :mysql do
@update.to_sql.should be_like(%Q{
UPDATE `users`
SET `id` = 1
})
end
adapter_is :oracle do
@update.to_sql.should be_like(%Q{
UPDATE "USERS"
SET "ID" = 1
})
end
adapter_is_not :mysql, :oracle do
@update.to_sql.should be_like(%Q{
UPDATE "users"
SET "id" = 1
})
end
end
end
describe 'when the relation is a where' do
before do
@update = Update.new(
@relation.where(@relation[:id].eq(1)),
@relation[:name] => "nick"
)
end
it 'manufactures sql updating a where relation' do
adapter_is :mysql do
@update.to_sql.should be_like(%Q{
UPDATE `users`
SET `name` = 'nick'
WHERE `users`.`id` = 1
})
end
adapter_is :sqlite3 do
@update.to_sql.should be_like(%Q{
UPDATE "users"
SET "name" = 'nick'
WHERE "users"."id" = 1
})
end
adapter_is :postgresql do
@update.to_sql.should be_like(%Q{
UPDATE "users"
SET "name" = E'nick'
WHERE "users"."id" = 1
})
end
adapter_is :oracle do
@update.to_sql.should be_like(%Q{
UPDATE "USERS"
SET "NAME" = 'nick'
WHERE "USERS"."ID" = 1
})
end
end
end
end
end
end
|
