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Expand spec coverage and refactor the `Account.find_` methods (#3485)

* Move specs for account finder methods to concern spec

* Move account finder methods to concern

* Improve spec wording

* Use more explicit comparison to ensure correct return value

* Add coverage for .find_local! and .find_remote!

* Add some methods to the finder

* Use arel on matching_username method

* Avoid ternary in matching domain method

* Simplify finder methods

* Use an AccountFinder class to simplify lookup
gh/stable
Matt Jankowski 2017-05-31 14:28:45 -04:00 committed by Eugen Rochko
parent bf811e4d4a
commit 2cc3111a77
4 changed files with 152 additions and 69 deletions

View File

@ -42,6 +42,7 @@ class Account < ApplicationRecord
MENTION_RE = /(?:^|[^\/[:word:]])@([a-z0-9_]+(?:@[a-z0-9\.\-]+[a-z0-9]+)?)/i
include AccountAvatar
include AccountFinderConcern
include AccountHeader
include AccountInteractions
include Attachmentable
@ -162,27 +163,6 @@ class Account < ApplicationRecord
end
class << self
def find_local!(username)
find_remote!(username, nil)
end
def find_remote!(username, domain)
raise ActiveRecord::RecordNotFound if username.blank?
where('lower(accounts.username) = ?', username.downcase).where(domain.nil? ? { domain: nil } : 'lower(accounts.domain) = ?', domain&.downcase).take!
end
def find_local(username)
find_local!(username)
rescue ActiveRecord::RecordNotFound
nil
end
def find_remote(username, domain)
find_remote!(username, domain)
rescue ActiveRecord::RecordNotFound
nil
end
def triadic_closures(account, limit: 5, offset: 0)
sql = <<-SQL.squish
WITH first_degree AS (

View File

@ -0,0 +1,58 @@
# frozen_string_literal: true
module AccountFinderConcern
extend ActiveSupport::Concern
class_methods do
def find_local!(username)
find_local(username) || raise(ActiveRecord::RecordNotFound)
end
def find_remote!(username, domain)
find_remote(username, domain) || raise(ActiveRecord::RecordNotFound)
end
def find_local(username)
find_remote(username, nil)
end
def find_remote(username, domain)
AccountFinder.new(username, domain).account
end
end
class AccountFinder
attr_reader :username, :domain
def initialize(username, domain)
@username = username
@domain = domain
end
def account
scoped_accounts.take
end
private
def scoped_accounts
Account.unscoped.tap do |scope|
scope.merge! matching_username
scope.merge! matching_domain
end
end
def matching_username
raise(ActiveRecord::RecordNotFound) if username.blank?
Account.where(Account.arel_table[:username].lower.eq username.downcase)
end
def matching_domain
if domain.nil?
Account.where(domain: nil)
else
Account.where(Account.arel_table[:domain].lower.eq domain.downcase)
end
end
end
end

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@ -301,54 +301,6 @@ RSpec.describe Account, type: :model do
end
end
describe '.find_local' do
before do
Fabricate(:account, username: 'Alice')
end
it 'returns Alice for alice' do
expect(Account.find_local('alice')).to_not be_nil
end
it 'returns Alice for Alice' do
expect(Account.find_local('Alice')).to_not be_nil
end
it 'does not return anything for a_ice' do
expect(Account.find_local('a_ice')).to be_nil
end
it 'does not return anything for al%' do
expect(Account.find_local('al%')).to be_nil
end
end
describe '.find_remote' do
before do
Fabricate(:account, username: 'Alice', domain: 'mastodon.social')
end
it 'returns Alice for alice@mastodon.social' do
expect(Account.find_remote('alice', 'mastodon.social')).to_not be_nil
end
it 'returns Alice for ALICE@MASTODON.SOCIAL' do
expect(Account.find_remote('ALICE', 'MASTODON.SOCIAL')).to_not be_nil
end
it 'does not return anything for a_ice@mastodon.social' do
expect(Account.find_remote('a_ice', 'mastodon.social')).to be_nil
end
it 'does not return anything for alice@m_stodon.social' do
expect(Account.find_remote('alice', 'm_stodon.social')).to be_nil
end
it 'does not return anything for alice@m%' do
expect(Account.find_remote('alice', 'm%')).to be_nil
end
end
describe '.following_map' do
it 'returns an hash' do
expect(Account.following_map([], 1)).to be_a Hash

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@ -0,0 +1,93 @@
# frozen_string_literal: true
require 'rails_helper'
describe AccountFinderConcern do
describe 'local finders' do
before do
@account = Fabricate(:account, username: 'Alice')
end
describe '.find_local' do
it 'returns case-insensitive result' do
expect(Account.find_local('alice')).to eq(@account)
end
it 'returns correctly cased result' do
expect(Account.find_local('Alice')).to eq(@account)
end
it 'returns nil without a match' do
expect(Account.find_local('a_ice')).to be_nil
end
it 'returns nil for regex style username value' do
expect(Account.find_local('al%')).to be_nil
end
end
describe '.find_local!' do
it 'returns matching result' do
expect(Account.find_local!('alice')).to eq(@account)
end
it 'raises on non-matching result' do
expect { Account.find_local!('missing') }.to raise_error(ActiveRecord::RecordNotFound)
end
it 'raises with blank username' do
expect { Account.find_local!('') }.to raise_error(ActiveRecord::RecordNotFound)
end
it 'raises with nil username' do
expect { Account.find_local!(nil) }.to raise_error(ActiveRecord::RecordNotFound)
end
end
end
describe 'remote finders' do
before do
@account = Fabricate(:account, username: 'Alice', domain: 'mastodon.social')
end
describe '.find_remote' do
it 'returns exact match result' do
expect(Account.find_remote('alice', 'mastodon.social')).to eq(@account)
end
it 'returns case-insensitive result' do
expect(Account.find_remote('ALICE', 'MASTODON.SOCIAL')).to eq(@account)
end
it 'returns nil when username does not match' do
expect(Account.find_remote('a_ice', 'mastodon.social')).to be_nil
end
it 'returns nil when domain does not match' do
expect(Account.find_remote('alice', 'm_stodon.social')).to be_nil
end
it 'returns nil for regex style domain value' do
expect(Account.find_remote('alice', 'm%')).to be_nil
end
end
describe '.find_remote!' do
it 'returns matching result' do
expect(Account.find_remote!('alice', 'mastodon.social')).to eq(@account)
end
it 'raises on non-matching result' do
expect { Account.find_remote!('missing', 'mastodon.host') }.to raise_error(ActiveRecord::RecordNotFound)
end
it 'raises with blank username' do
expect { Account.find_remote!('', '') }.to raise_error(ActiveRecord::RecordNotFound)
end
it 'raises with nil username' do
expect { Account.find_remote!(nil, nil) }.to raise_error(ActiveRecord::RecordNotFound)
end
end
end
end