discourse/spec/components/sql_builder_spec.rb

76 lines
2.1 KiB
Ruby

# encoding: utf-8
require 'rails_helper'
require_dependency 'sql_builder'
describe SqlBuilder do
describe "attached" do
before do
@builder = Post.sql_builder("select * from posts /*where*/ /*limit*/")
end
it "should find a post by id" do
p = Fabricate(:post)
@builder.where('id = :id and topic_id = :topic_id', id: p.id, topic_id: p.topic_id)
p2 = @builder.exec.first
expect(p2.id).to eq(p.id)
expect(p2).to eq(p)
end
end
describe "map_exec" do
class SqlBuilder::TestClass
attr_accessor :int, :string, :date, :text, :bool
end
it "correctly maps to a klass" do
rows = SqlBuilder.new("SELECT
1 AS int,
'string' AS string,
CAST(NOW() at time zone 'utc' AS timestamp without time zone) AS date,
'text'::text AS text,
true AS bool")
.map_exec(SqlBuilder::TestClass)
expect(rows.count).to eq(1)
row = rows[0]
expect(row.int).to eq(1)
expect(row.string).to eq("string")
expect(row.text).to eq("text")
expect(row.bool).to eq(true)
expect(row.date).to be_within(10.seconds).of(DateTime.now)
end
end
describe "detached" do
before do
@builder = SqlBuilder.new("select * from (select :a A union all select :b) as X /*where*/ /*order_by*/ /*limit*/ /*offset*/")
end
it "should allow for 1 param exec" do
expect(@builder.exec(a: 1, b: 2).values[0][0]).to eq(1)
end
it "should allow for a single where" do
@builder.where(":a = 1")
expect(@builder.exec(a: 1, b: 2).values[0][0]).to eq(1)
end
it "should allow where chaining" do
@builder.where(":a = 1")
@builder.where("2 = 1")
expect(@builder.exec(a: 1, b: 2).to_a.length).to eq(0)
end
it "should allow order by" do
expect(@builder.order_by("A desc").limit(1)
.exec(a: 1, b: 2).values[0][0]).to eq(2)
end
it "should allow offset" do
expect(@builder.order_by("A desc").offset(1)
.exec(a: 1, b: 2).values[0][0]).to eq(1)
end
end
end