e7caa7afd5
* Allow has_one nil association * add test for when has_one returns nil * modify has_one extension method, add active record test * Use try operator to support old rubies
74 lines
1.7 KiB
Ruby
74 lines
1.7 KiB
Ruby
require 'spec_helper'
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require 'active_record'
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require 'sqlite3'
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describe 'active record' do
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# Setup DB
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before(:all) do
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@db_file = "test.db"
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# Open a database
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db = SQLite3::Database.new @db_file
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# Create tables
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db.execute_batch <<-SQL
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create table suppliers (
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name varchar(30),
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id int primary key
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);
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create table accounts (
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name varchar(30),
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id int primary key,
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supplier_id int,
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FOREIGN KEY (supplier_id) REFERENCES suppliers(id)
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);
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SQL
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# Insert records
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@account_id = 2
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@supplier_id = 1
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@supplier_id_without_account = 3
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db.execute_batch <<-SQL
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insert into suppliers values ('Supplier1', #{@supplier_id}),
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('SupplierWithoutAccount', #{@supplier_id_without_account});
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insert into accounts values ('Dollar Account', #{@account_id}, #{@supplier_id});
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SQL
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end
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# Setup Active Record
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before(:all) do
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class Supplier < ActiveRecord::Base
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has_one :account
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end
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class Account < ActiveRecord::Base
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belongs_to :supplier
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end
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ActiveRecord::Base.establish_connection(
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:adapter => 'sqlite3',
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:database => @db_file
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)
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end
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context 'has one patch' do
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it 'has account_id method for a supplier' do
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expect(Supplier.first.respond_to?(:account_id)).to be true
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expect(Supplier.first.account_id).to eq @account_id
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end
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it 'has account_id method return nil if account not present' do
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expect(Supplier.find(@supplier_id_without_account).account_id).to eq nil
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end
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end
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# Clean up DB
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after(:all) do
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File.delete(@db_file) if File.exist?(@db_file)
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end
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end
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