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Merge branch 'redis-stream-cache'

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This commit is contained in:
Ilya Zhitomirskiy 2011-10-04 14:41:39 -07:00
commit 10ca65414c
19 changed files with 771 additions and 271 deletions
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1
Gemfile
View file

@ -126,6 +126,7 @@ group :test do
gem "selenium-webdriver", "~> 2.7.0"
gem 'webmock', :require => false
gem 'sqlite3'
gem 'mock_redis'
end
group :development do

2
Gemfile.lock
View file

@ -256,6 +256,7 @@ GEM
mobile-fu (0.2.1)
rack-mobile-detect
rails
mock_redis (0.2.0)
moneta (0.6.0)
mongrel (1.1.5)
cgi_multipart_eof_fix (>= 2.4)
@ -506,6 +507,7 @@ DEPENDENCIES
linecache (= 0.43)
mini_magick (= 3.2)
mobile-fu
mock_redis
mongrel
mysql2 (= 0.2.13)
newrelic_rpm

4
app/models/post.rb
View file

@ -138,6 +138,10 @@ class Post < ActiveRecord::Base
false
end
def triggers_caching?
true
end
def comment_email_subject
I18n.t('notifier.a_post_you_shared')
end

82
lib/diaspora/redis_cache.rb Normal file
View file

@ -0,0 +1,82 @@
# Copyright (c) 2010-2011, Diaspora Inc. This file is
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
#
class RedisCache
SUPPORTED_CACHES = [:created_at] #['updated_at',
CACHE_LIMIT = 100
def initialize(user, order_field)
@user = user
@order_field = order_field.to_s
end
# @return [Boolean]
def cache_exists?
self.size != 0
end
# @return [Integer] the cardinality of the redis set
def size
redis.zcard(set_key)
end
def post_ids(time=Time.now, limit=15)
post_ids = redis.zrevrangebyscore(set_key, time.to_i, "-inf")
post_ids[0...limit]
end
def ensure_populated!
self.repopulate! unless cache_exists?
end
def repopulate!
self.populate! && self.trim!
end
def populate!
# user executes query and gets back hashes
sql = @user.visible_posts_sql(:limit => CACHE_LIMIT, :order => self.order)
hashes = Post.connection.select_all(sql)
# hashes are inserted into set in a single transaction
redis.multi do
hashes.each do |h|
self.redis.zadd(set_key, h[@order_field].to_i, h["id"])
end
end
end
def trim!
self.redis.zremrangebyrank(set_key, 0, -(CACHE_LIMIT+1))
end
# @param order [Symbol, String]
# @return [Boolean]
def self.supported_order?(order)
SUPPORTED_CACHES.include?(order.to_sym)
end
def order
"#{@order_field} DESC"
end
def add(score, id)
return unless self.cache_exists?
self.redis.zadd(set_key, score.to_i, id)
self.trim!
end
protected
# @return [Redis]
def redis
@redis ||= Redis.new
end
# @return [String]
def set_key
@set_key ||= "cache_stream_#{@user.id}_#{@order_field}"
end
end

76
lib/diaspora/user/querying.rb
View file

@ -2,6 +2,8 @@
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
require 'lib/diaspora/redis_cache'
module Diaspora
module UserModules
module Querying
@ -14,20 +16,36 @@ module Diaspora
end
def visible_posts(opts={})
defaults = {
:type => ['StatusMessage', 'Photo'],
:order => 'updated_at DESC',
:limit => 15,
:hidden => false
}
opts = defaults.merge(opts)
opts = prep_opts(opts)
post_ids = visible_post_ids(opts)
Post.where(:id => post_ids).select('DISTINCT posts.*').limit(opts[:limit]).order(opts[:order_with_table])
end
order_field = opts[:order].split.first.to_sym
order_with_table = 'posts.' + opts[:order]
def visible_post_ids(opts={})
opts = prep_opts(opts)
opts[:max_time] = Time.at(opts[:max_time]) if opts[:max_time].is_a?(Integer)
opts[:max_time] ||= Time.now + 1
if AppConfig[:redis_cache] && RedisCache.supported_order?(opts[:order_field]) && opts[:all_aspects?].present?
cache = RedisCache.new(self, opts[:order_field])
cache.ensure_populated!
post_ids = cache.post_ids(opts[:max_time], opts[:limit])
end
if post_ids.blank? || post_ids.length < opts[:limit]
visible_ids_from_sql(opts)
else
post_ids
end
end
# @return [Array<Integer>]
def visible_ids_from_sql(opts={})
opts = prep_opts(opts)
Post.connection.select_values(visible_posts_sql(opts))
end
def visible_posts_sql(opts={})
opts = prep_opts(opts)
select_clause ='DISTINCT posts.id, posts.updated_at AS updated_at, posts.created_at AS created_at'
posts_from_others = Post.joins(:contacts).where( :pending => false, :type => opts[:type], :post_visibilities => {:hidden => opts[:hidden]}, :contacts => {:user_id => self.id})
@ -39,20 +57,10 @@ module Diaspora
posts_from_self = posts_from_self.joins(:aspect_visibilities).where(:aspect_visibilities => {:aspect_id => opts[:by_members_of]})
end
unless sqlite?
posts_from_others = posts_from_others.select(select_clause).order(order_with_table).where(Post.arel_table[order_field].lt(opts[:max_time]))
posts_from_self = posts_from_self.select(select_clause).order(order_with_table).where(Post.arel_table[order_field].lt(opts[:max_time]))
posts_from_others = posts_from_others.select(select_clause).order(opts[:order_with_table]).where(Post.arel_table[opts[:order_field]].lt(opts[:max_time]))
posts_from_self = posts_from_self.select(select_clause).order(opts[:order_with_table]).where(Post.arel_table[opts[:order_field]].lt(opts[:max_time]))
all_posts = "(#{posts_from_others.to_sql} LIMIT #{opts[:limit]}) UNION ALL (#{posts_from_self.to_sql} LIMIT #{opts[:limit]}) ORDER BY #{opts[:order]} LIMIT #{opts[:limit]}"
else
posts_from_others = posts_from_others.select(select_clause)
posts_from_self = posts_from_self.select(select_clause)
all_posts = "#{posts_from_others.to_sql} UNION ALL #{posts_from_self.to_sql} ORDER BY #{opts[:order]} LIMIT #{opts[:limit]}"
end
post_ids = Post.connection.select_values(all_posts)
Post.where(:id => post_ids).select('DISTINCT posts.*').limit(opts[:limit]).order(order_with_table)
"(#{posts_from_others.to_sql} LIMIT #{opts[:limit]}) UNION ALL (#{posts_from_self.to_sql} LIMIT #{opts[:limit]}) ORDER BY #{opts[:order]} LIMIT #{opts[:limit]}"
end
def contact_for(person)
@ -112,6 +120,26 @@ module Diaspora
Post.where(:id => post_ids, :pending => false).select('DISTINCT posts.*').order("posts.created_at DESC")
end
protected
# @return [Hash]
def prep_opts(opts)
defaults = {
:type => ['StatusMessage', 'Photo'],
:order => 'updated_at DESC',
:limit => 15,
:hidden => false
}
opts = defaults.merge(opts)
opts[:order_field] = opts[:order].split.first.to_sym
opts[:order_with_table] = 'posts.' + opts[:order]
opts[:max_time] = Time.at(opts[:max_time]) if opts[:max_time].is_a?(Integer)
opts[:max_time] ||= Time.now + 1
opts
end
end
end
end

21
lib/postzord/receiver.rb Normal file
View file

@ -0,0 +1,21 @@
# Copyright (c) 2010-2011, Diaspora Inc. This file is
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
class Postzord::Receiver
require File.join(Rails.root, 'lib/postzord/receiver/private')
require File.join(Rails.root, 'lib/postzord/receiver/public')
def perform!
receive!
update_cache! if cache?
end
# @return [Boolean]
def cache?
self.respond_to?(:update_cache!) && AppConfig[:redis_cache] &&
@object.respond_to?(:triggers_caching?) && @object.triggers_caching?
end
end

20
lib/postzord/receiver/local_batch.rb
View file

@ -1,6 +1,9 @@
module Postzord
module Receiver
class LocalBatch
# Copyright (c) 2010-2011, Diaspora Inc. This file is
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
class Postzord::Receiver::LocalBatch < Postzord::Receiver
attr_reader :object, :recipient_user_ids, :users
def initialize(object, recipient_user_ids)
@ -9,7 +12,7 @@ module Postzord
@users = User.where(:id => @recipient_user_ids)
end
def perform!
def receive!
if @object.respond_to?(:relayable?)
receive_relayable
else
@ -22,6 +25,13 @@ module Postzord
notify_users
end
def update_cache!
@users.each do |user|
cache = RedisCache.new(user, "created_at")
cache.add(@object.created_at.to_i, @object.id)
end
end
# NOTE(copied over from receiver public)
# @return [Object]
def receive_relayable
@ -67,5 +77,3 @@ module Postzord
end
end
end
end
end

16
lib/postzord/receiver/private.rb
View file

@ -1,13 +1,12 @@
# Copyright (c) 2010-2011, Diaspora Inc. This file is
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
#
require File.join(Rails.root, 'lib/webfinger')
require File.join(Rails.root, 'lib/diaspora/parser')
module Postzord
module Receiver
class Private
class Postzord::Receiver::Private < Postzord::Receiver
def initialize(user, opts={})
@user = user
@user_person = @user.person
@ -19,7 +18,7 @@ module Postzord
@object = opts[:object]
end
def perform
def receive!
if @sender && self.salmon.verified_for_key?(@sender.public_key)
parse_and_receive(salmon.parsed_data)
else
@ -49,6 +48,11 @@ module Postzord
obj
end
def update_cache!
cache = RedisCache.new(@user, "created_at")
cache.add(@object.created_at.to_i, @object.id)
end
protected
def salmon
@salmon ||= Salmon::EncryptedSlap.from_xml(@salmon_xml, @user)
@ -113,5 +117,3 @@ module Postzord
end
end
end
end
end

9
lib/postzord/receiver/public.rb
View file

@ -2,9 +2,8 @@
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
module Postzord
module Receiver
class Public
class Postzord::Receiver::Public < Postzord::Receiver
attr_accessor :salmon, :author
def initialize(xml)
@ -18,7 +17,7 @@ module Postzord
end
# @return [void]
def perform!
def receive!
return false unless verified_signature?
return unless save_object
@ -60,5 +59,3 @@ module Postzord
@object.respond_to?(:public) && !@object.public?
end
end
end
end

21
lib/stream/aspect_stream.rb
View file

@ -39,7 +39,8 @@ class AspectStream < BaseStream
# @return [ActiveRecord::Association<Post>] AR association of posts
def posts
# NOTE(this should be something like Post.all_for_stream(@user, aspect_ids, {}) that calls visible_posts
@posts ||= user.visible_posts(:by_members_of => aspect_ids,
@posts ||= user.visible_posts(:all_aspects? => for_all_aspects?,
:by_members_of => aspect_ids,
:type => TYPES_OF_POST_IN_STREAM,
:order => "#{order} DESC",
:max_time => max_time
@ -51,6 +52,7 @@ class AspectStream < BaseStream
@people ||= Person.all_from_aspects(aspect_ids, user).includes(:profile)
end
# @return [String] URL
def link(opts={})
Rails.application.routes.url_helpers.aspects_path(opts.merge(:a_ids => aspect_ids))
end
@ -64,10 +66,20 @@ class AspectStream < BaseStream
end
end
# Only ajax in the stream if all aspects are present.
# In this case, we know we're on the first page of the stream,
# as the default view for aspects/index is showing posts from
# all a user's aspects.
#
# @return [Boolean] see #for_all_aspects?
def ajax_stream?
for_all_aspects?
end
# The title that will display at the top of the stream's
# publisher box.
#
# @return [String]
def title
if self.for_all_aspects?
I18n.t('aspects.aspect_stream.stream')
@ -84,6 +96,9 @@ class AspectStream < BaseStream
@all_aspects ||= aspect_ids.length == user.aspects.size
end
# Provides a translated title for contacts box on the right pane.
#
# @return [String]
def contacts_title
if self.for_all_aspects? || self.aspect_ids.size > 1
I18n.t('_contacts')
@ -92,6 +107,10 @@ class AspectStream < BaseStream
end
end
# Provides a link to the user to the contacts page that corresponds with
# the stream's active aspects.
#
# @return [String] Link to contacts
def contacts_link
if for_all_aspects? || aspect_ids.size > 1
Rails.application.routes.url_helpers.contacts_path

32
spec/integration/attack_vectors_spec.rb
View file

@ -22,7 +22,7 @@ describe "attack vectors" do
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
expect {
zord.perform
zord.perform!
}.should raise_error /not a valid object/
bob.visible_posts.include?(post_from_non_contact).should be_false
@ -39,7 +39,7 @@ describe "attack vectors" do
salmon_xml = bob.salmon(original_message).xml_for(alice.person)
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
expect {
zord.perform
zord.perform!
}.should raise_error /not a valid object/
alice.reload.visible_posts.should_not include(StatusMessage.find(original_message.id))
@ -53,12 +53,12 @@ describe "attack vectors" do
salmon_xml = eve.salmon(original_message).xml_for(bob.person)
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
zord.perform
zord.perform!
malicious_message = Factory.build(:status_message, :id => original_message.id, :text => 'BAD!!!', :author => alice.person)
salmon_xml = alice.salmon(malicious_message).xml_for(bob.person)
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
zord.perform
zord.perform!
original_message.reload.text.should == "store this!"
end
@ -68,14 +68,14 @@ describe "attack vectors" do
salmon_xml = eve.salmon(original_message).xml_for(bob.person)
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
zord.perform
zord.perform!
lambda {
malicious_message = Factory.build( :status_message, :id => original_message.id, :text => 'BAD!!!', :author => eve.person)
salmon_xml2 = alice.salmon(malicious_message).xml_for(bob.person)
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
zord.perform
zord.perform!
}.should_not change{
bob.reload.visible_posts.count
@ -97,7 +97,7 @@ describe "attack vectors" do
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
expect {
zord.perform
zord.perform!
}.should raise_error /not a valid object/
eve.reload.profile.first_name.should == first_name
@ -109,7 +109,7 @@ describe "attack vectors" do
salmon_xml = eve.salmon(original_message).xml_for(bob.person)
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
zord.perform
zord.perform!
bob.visible_posts.count.should == 1
StatusMessage.count.should == 1
@ -121,7 +121,7 @@ describe "attack vectors" do
salmon_xml = alice.salmon(ret).xml_for(bob.person)
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
zord.perform
zord.perform!
StatusMessage.count.should == 1
bob.visible_posts.count.should == 1
@ -143,7 +143,7 @@ describe "attack vectors" do
proc {
salmon_xml = alice.salmon(ret).xml_for(bob.person)
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
zord.perform
zord.perform!
}.should_not raise_error
end
@ -152,7 +152,7 @@ describe "attack vectors" do
salmon_xml = eve.salmon(original_message).xml_for(bob.person)
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
zord.perform
zord.perform!
bob.visible_posts.count.should == 1
@ -164,7 +164,7 @@ describe "attack vectors" do
salmon_xml = alice.salmon(ret).xml_for(bob.person)
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
expect {
zord.perform
zord.perform!
}.should raise_error /not a valid object/
bob.reload.visible_posts.count.should == 1
@ -180,7 +180,7 @@ describe "attack vectors" do
salmon_xml = alice.salmon(ret).xml_for(bob.person)
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
zord.perform
zord.perform!
}.should_not change{bob.reload.contacts.count}
end
@ -196,7 +196,7 @@ describe "attack vectors" do
salmon_xml = alice.salmon(ret).xml_for(bob.person)
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
expect {
zord.perform
zord.perform!
}.should raise_error /not a valid object/
bob.reload.contacts.count.should == 2
@ -207,7 +207,7 @@ describe "attack vectors" do
salmon_xml = eve.salmon(original_message).xml_for(bob.person)
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
zord.perform
zord.perform!
original_message.diaspora_handle = alice.diaspora_handle
original_message.text= "bad bad bad"
@ -215,7 +215,7 @@ describe "attack vectors" do
salmon_xml = alice.salmon(original_message).xml_for(bob.person)
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
zord.perform
zord.perform!
original_message.reload.text.should == "store this!"
end

2
spec/integration/receiving_spec.rb
View file

@ -334,7 +334,7 @@ describe 'a user receives a post' do
salmon_xml = salmon.xml_for(bob.person)
zord = Postzord::Receiver::Private.new(bob, :salmon_xml => salmon_xml)
zord.perform
zord.perform!
bob.visible_posts.include?(post).should be_true
end

165
spec/lib/diaspora/redis_cache_spec.rb Normal file
View file

@ -0,0 +1,165 @@
# Copyright (c) 2010-2011, Diaspora Inc. This file is
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
require 'spec_helper'
describe RedisCache do
before do
@redis = MockRedis.new
#@redis = Redis.new
#@redis.keys.each{|p| @redis.del(p)}
@cache = RedisCache.new(bob, :created_at)
@cache.stub(:redis).and_return(@redis)
end
it 'gets initialized with user and an created_at order' do
cache = RedisCache.new(bob, :created_at)
[:@user, :@order_field].each do |var|
cache.instance_variable_get(var).should_not be_blank
end
end
describe "#cache_exists?" do
it 'returns true if the sorted set exists' do
timestamp = Time.now.to_i
@redis.zadd("cache_stream_#{bob.id}_created_at", timestamp, "post_1")
@cache.cache_exists?.should be_true
end
it 'returns false if there is nothing in the set' do
@cache.cache_exists?.should be_false
end
end
describe "#post_ids" do
before do
@timestamps = []
@timestamp = Time.now.to_i
30.times do |n|
created_time = @timestamp - n*1000
@redis.zadd("cache_stream_#{bob.id}_created_at", created_time, n.to_s)
@timestamps << created_time
end
end
it 'returns the most recent post ids (default created at, limit 15)' do
@cache.post_ids.should =~ 15.times.map {|n| n.to_s}
end
it 'returns posts ids after the specified time' do
@cache.post_ids(@timestamps[15]).should =~ (15...30).map {|n| n.to_s}
end
it 'returns post ids with a non-default limit' do
@cache.post_ids(@timestamp, 20).should =~ 20.times.map {|n| n.to_s}
end
end
describe "#ensure_populated!" do
it 'does nothing if the cache is populated' do
@cache.stub(:cache_exists?).and_return(true)
@cache.should_not_receive(:repopulate!)
@cache.ensure_populated!
end
it 'clears and poplulates if the cache is not populated' do
@cache.stub(:cache_exists?).and_return(false)
@cache.should_receive(:repopulate!)
@cache.ensure_populated!
end
end
describe "#repopulate!" do
it 'populates' do
@cache.stub(:trim!).and_return(true)
@cache.should_receive(:populate!).and_return(true)
@cache.repopulate!
end
it 'trims' do
@cache.stub(:populate!).and_return(true)
@cache.should_receive(:trim!)
@cache.repopulate!
end
end
describe "#populate!" do
it 'queries the db with the visible post sql string' do
sql = "long_sql"
order = "created_at DESC"
@cache.should_receive(:order).and_return(order)
bob.should_receive(:visible_posts_sql).with(hash_including(
:limit => 100,
:order => order)).
and_return(sql)
Post.connection.should_receive(:select_all).with(sql).and_return([])
@cache.populate!
end
it 'adds the post from the hash to the cache'
end
describe "#trim!" do
it 'does nothing if the set is smaller than the cache limit' do
@timestamps = []
@timestamp = Time.now.to_i
30.times do |n|
created_time = @timestamp - n*1000
@redis.zadd("cache_stream_#{bob.id}_created_at", created_time, n.to_s)
@timestamps << created_time
end
post_ids = @cache.post_ids(Time.now.to_i, @cache.size)
@cache.trim!
@cache.post_ids(Time.now.to_i, @cache.size).should == post_ids
end
it 'trims the set to the cache limit' do
@timestamps = []
@timestamp = Time.now.to_i
120.times do |n|
created_time = @timestamp - n*1000
@redis.zadd("cache_stream_#{bob.id}_created_at", created_time, n.to_s)
@timestamps << created_time
end
post_ids = 100.times.map{|n| n.to_s}
@cache.trim!
@cache.post_ids(Time.now.to_i, @cache.size).should == post_ids[0...100]
end
end
describe "#add" do
before do
@cache.stub(:cache_exists?).and_return(true)
@id = 1
@score = 123
end
it "adds an id with a given score" do
@redis.should_receive(:zadd).with(@cache.send(:set_key), @score, @id)
@cache.add(@score, @id)
end
it 'trims' do
@cache.should_receive(:trim!)
@cache.add(@score, @id)
end
it "doesn't add if the cache does not exist" do
@cache.stub(:cache_exists?).and_return(false)
@redis.should_not_receive(:zadd)
@cache.add(@score, @id).should be_false
end
end
describe "#remove"
end

26
spec/lib/postzord/receiver/local_batch_spec.rb
View file

@ -17,26 +17,26 @@ describe Postzord::Receiver::LocalBatch do
end
end
describe '#perform!' do
describe '#receive!' do
it 'calls .create_post_visibilities' do
receiver.should_receive(:create_post_visibilities)
receiver.perform!
receiver.receive!
end
it 'sockets to users' do
pending 'not currently socketing'
receiver.should_receive(:socket_to_users)
receiver.perform!
receiver.receive!
end
it 'notifies mentioned users' do
receiver.should_receive(:notify_mentioned_users)
receiver.perform!
receiver.receive!
end
it 'notifies users' do
receiver.should_receive(:notify_users)
receiver.perform!
receiver.receive!
end
end
@ -111,4 +111,20 @@ describe Postzord::Receiver::LocalBatch do
receiver.perform!
end
end
describe '#update_cache!' do
it 'adds to a redis cache for receiving_users' do
users = [alice, eve]
@zord = Postzord::Receiver::LocalBatch.new(@object, users.map{|u| u.id})
sort_order = "created_at"
cache = mock
RedisCache.should_receive(:new).exactly(users.length).times.with(instance_of(User), sort_order).and_return(cache)
cache.should_receive(:add).exactly(users.length).times.with(@object.created_at.to_i, @object.id)
@zord.update_cache!
end
end
end

28
spec/lib/postzord/receiver/private_spec.rb
View file

@ -47,7 +47,7 @@ describe Postzord::Receiver::Private do
end
end
describe '#perform' do
describe '#receive!' do
before do
@zord = Postzord::Receiver::Private.new(@user, :salmon_xml => @salmon_xml)
@salmon = @zord.instance_variable_get(:@salmon)
@ -56,25 +56,25 @@ describe Postzord::Receiver::Private do
context 'returns nil' do
it 'if the salmon author does not exist' do
@zord.instance_variable_set(:@sender, nil)
@zord.perform.should be_nil
@zord.perform!.should be_nil
end
it 'if the author does not match the signature' do
@zord.instance_variable_set(:@sender, Factory(:person))
@zord.perform.should be_nil
@zord.perform!.should be_nil
end
end
context 'returns the sent object' do
it 'returns the received object on success' do
object = @zord.perform
object.should respond_to(:to_diaspora_xml)
@zord.perform!
@zord.instance_variable_get(:@object).should respond_to(:to_diaspora_xml)
end
end
it 'parses the salmon object' do
Diaspora::Parser.should_receive(:from_xml).with(@salmon.parsed_data).and_return(@original_post)
@zord.perform
@zord.perform!
end
end
@ -86,7 +86,7 @@ describe Postzord::Receiver::Private do
it 'calls Notification.notify if object responds to notification_type' do
cm = Comment.new
cm.stub!(:receive).and_return(cm)
cm.stub(:receive).and_return(cm)
Notification.should_receive(:notify).with(@user, cm, @person2)
zord = Postzord::Receiver::Private.new(@user, :person => @person2, :object => cm)
@ -103,4 +103,18 @@ describe Postzord::Receiver::Private do
@zord.receive_object
end
end
describe '#update_cache!' do
it 'adds to redis cache for the given user' do
@original_post.save!
@zord = Postzord::Receiver::Private.new(@user, :person => @person2, :object => @original_post)
sort_order = "created_at"
cache = RedisCache.new(@user, sort_order)
RedisCache.should_receive(:new).with(@user, sort_order).and_return(cache)
cache.should_receive(:add).with(@original_post.created_at.to_i, @original_post.id)
@zord.update_cache!
end
end
end

71
spec/lib/postzord/receiver_spec.rb Normal file
View file

@ -0,0 +1,71 @@
# Copyright (c) 2011, Diaspora Inc. This file is
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
require 'spec_helper'
require File.join(Rails.root, 'lib/postzord/receiver')
describe Postzord::Receiver do
before do
@receiver = Postzord::Receiver.new
end
describe "#perform!" do
before do
@receiver.stub(:receive!)
end
it 'calls receive!' do
@receiver.should_receive(:receive!)
@receiver.perform!
end
context 'update_cache!' do
it "gets called if cache?" do
@receiver.stub(:cache?).and_return(true)
@receiver.should_receive(:update_cache!)
@receiver.perform!
end
it "doesn't get called if !cache?" do
@receiver.stub(:cache?).and_return(false)
@receiver.should_not_receive(:update_cache!)
@receiver.perform!
end
end
end
describe "#cache?" do
before do
@receiver.stub(:respond_to?).with(:update_cache!).and_return(true)
AppConfig[:redis_cache] = true
@receiver.instance_variable_set(:@object, mock(:triggers_caching? => true))
end
it 'returns true if the receiver responds to update_cache and the application has caching enabled' do
@receiver.cache?.should be_true
end
it 'returns false if the receiver does not respond to update_cache' do
@receiver.stub(:respond_to?).with(:update_cache!).and_return(false)
@receiver.cache?.should be_false
end
it 'returns false if the application does not have caching set' do
AppConfig[:redis_cache] = false
@receiver.cache?.should be_false
end
it 'returns false if the object is does not respond to triggers_caching' do
@receiver.instance_variable_set(:@object, mock)
@receiver.cache?.should be_false
end
it 'returns false if the object is not cacheable' do
@receiver.instance_variable_set(:@object, mock(:triggers_caching? => false))
@receiver.cache?.should be_false
end
end
end

8
spec/lib/stream/aspect_stream_spec.rb
View file

@ -73,6 +73,14 @@ describe AspectStream do
@alice.should_receive(:visible_posts).with(hash_including(:max_time => instance_of(Time))).and_return(stub.as_null_object)
stream.posts
end
it 'passes for_all_aspects to visible posts' do
stream = AspectStream.new(@alice, [1,2], :max_time => 123)
all_aspects = mock
stream.stub(:for_all_aspects?).and_return(all_aspects)
@alice.should_receive(:visible_posts).with(hash_including(:all_aspects? => all_aspects)).and_return(stub.as_null_object)
stream.posts
end
end
describe '#people' do

6
spec/models/post_spec.rb
View file

@ -131,4 +131,10 @@ describe Post do
@post.reload.updated_at.to_i.should == old_time.to_i
end
end
describe "triggers_caching?" do
it 'returns true' do
Post.new.triggers_caching?.should be_true
end
end
end

84
spec/models/user/querying_spec.rb
View file

@ -12,49 +12,49 @@ describe User do
@bobs_aspect = bob.aspects.where(:name => "generic").first
end
describe "#visible_posts" do
describe "#visible_post_ids" do
it "contains your public posts" do
public_post = alice.post(:status_message, :text => "hi", :to => @alices_aspect.id, :public => true)
alice.visible_posts.should include(public_post)
alice.visible_post_ids.should include(public_post.id)
end
it "contains your non-public posts" do
private_post = alice.post(:status_message, :text => "hi", :to => @alices_aspect.id, :public => false)
alice.visible_posts.should include(private_post)
alice.visible_post_ids.should include(private_post.id)
end
it "contains public posts from people you're following" do
dogs = bob.aspects.create(:name => "dogs")
bobs_public_post = bob.post(:status_message, :text => "hello", :public => true, :to => dogs.id)
alice.visible_posts.should include(bobs_public_post)
alice.visible_post_ids.should include(bobs_public_post.id)
end
it "contains non-public posts from people who are following you" do
bobs_post = bob.post(:status_message, :text => "hello", :to => @bobs_aspect.id)
alice.visible_posts.should include(bobs_post)
alice.visible_post_ids.should include(bobs_post.id)
end
it "does not contain non-public posts from aspects you're not in" do
dogs = bob.aspects.create(:name => "dogs")
invisible_post = bob.post(:status_message, :text => "foobar", :to => dogs.id)
alice.visible_posts.should_not include(invisible_post)
alice.visible_post_ids.should_not include(invisible_post.id)
end
it "does not contain pending posts" do
pending_post = bob.post(:status_message, :text => "hey", :public => true, :to => @bobs_aspect.id, :pending => true)
pending_post.should be_pending
alice.visible_posts.should_not include pending_post
alice.visible_post_ids.should_not include pending_post.id
end
it "does not contain pending photos" do
pending_photo = bob.post(:photo, :pending => true, :user_file=> File.open(photo_fixture_name), :to => @bobs_aspect)
alice.visible_posts.should_not include pending_photo
alice.visible_post_ids.should_not include pending_photo.id
end
it "respects the :type option" do
photo = bob.post(:photo, :pending => false, :user_file=> File.open(photo_fixture_name), :to => @bobs_aspect)
alice.visible_posts.should include(photo)
alice.visible_posts(:type => 'StatusMessage').should_not include(photo)
alice.visible_post_ids.should include(photo.id)
alice.visible_post_ids(:type => 'StatusMessage').should_not include(photo.id)
end
it "does not contain duplicate posts" do
@ -64,8 +64,8 @@ describe User do
bobs_post = bob.post(:status_message, :text => "hai to all my people", :to => [@bobs_aspect.id, bobs_other_aspect.id])
alice.visible_posts.length.should == 1
alice.visible_posts.should include(bobs_post)
alice.visible_post_ids.length.should == 1
alice.visible_post_ids.should include(bobs_post.id)
end
describe 'hidden posts' do
@ -76,15 +76,70 @@ describe User do
end
it "pulls back non hidden posts" do
alice.visible_posts.include?(@status).should be_true
alice.visible_post_ids.include?(@status.id).should be_true
end
it "does not pull back hidden posts" do
@vis.update_attributes(:hidden => true)
alice.visible_posts.include?(@status).should be_false
alice.visible_post_ids.include?(@status.id).should be_false
end
end
context "RedisCache" do
before do
AppConfig[:redis_cache] = true
@opts = {:order => "created_at DESC", :all_aspects? => true}
end
after do
AppConfig[:redis_cache] = nil
end
it "gets populated with latest 100 posts" do
cache = mock(:cache_exists? => true, :ensure_populated! => mock, :post_ids => [])
RedisCache.stub(:new).and_return(cache)
cache.should_receive(:ensure_populated!)
alice.visible_post_ids(@opts)
end
it 'does not get used if if all_aspects? option is not present' do
RedisCache.should_not_receive(:new)
alice.visible_post_ids(@opts.merge({:all_aspects? => false}))
end
describe "#ensure_populated_cache" do
it 'does nothing if the cache is already populated'
it 're-populates the cache with the latest posts (in hashes)'
end
context 'populated cache' do
before do
@cache = mock(:cache_exists? => true, :ensure_populated! => mock)
RedisCache.stub(:new).and_return(@cache)
end
it "reads from the cache" do
@cache.should_receive(:post_ids).and_return([1,2,3])
alice.visible_post_ids(@opts.merge({:limit => 3})).should == [1,2,3]
end
it "queries if maxtime is later than the last cached post" do
@cache.stub(:post_ids).and_return([])
alice.should_receive(:visible_ids_from_sql)
alice.visible_post_ids(@opts)
end
it "does not get repopulated" do
end
end
end
end
describe "#visible_posts" do
context 'with many posts' do
before do
bob.move_contact(eve.person, @bobs_aspect, bob.aspects.create(:name => 'new aspect'))
@ -101,6 +156,7 @@ describe User do
end
end
end
it 'works' do # The set up takes a looong time, so to save time we do several tests in one
bob.visible_posts.length.should == 15 #it returns 15 by default
bob.visible_posts.should == bob.visible_posts(:by_members_of => bob.aspects.map { |a| a.id }) # it is the same when joining through aspects