couchrest_model/spec/couchrest/core/model_spec.rb
2008-09-29 20:18:18 -07:00

292 lines
8 KiB
Ruby

require File.dirname(__FILE__) + '/../../spec_helper'
class Basic
include CouchRest::Model
end
class Article
include CouchRest::Model
use_database CouchRest.database!('http://localhost:5984/couchrest-model-test')
unique_id :slug
view_by :date, :descending => true
view_by :user_id, :date
view_by :tags,
:map =>
"function(doc) {
if (doc.type == 'Article' && doc.tags) {
doc.tags.forEach(function(tag){
emit(tag, 1);
});
}
}",
:reduce =>
"function(keys, values, rereduce) {
return sum(values);
}"
key_writer :date
key_reader :slug, :created_at, :updated_at
key_accessor :title, :tags
timestamps!
before(:create, :generate_slug_from_title)
def generate_slug_from_title
doc['slug'] = title.downcase.gsub(/[^a-z0-9]/,'-').squeeze('-').gsub(/^\-|\-$/,'')
end
end
describe CouchRest::Model do
before(:all) do
@cr = CouchRest.new(COUCHHOST)
@db = @cr.database(TESTDB)
@db.delete! rescue nil
@db = @cr.create_db(TESTDB) rescue nil
@adb = @cr.database('couchrest-model-test')
@adb.delete! rescue nil
CouchRest.database!('http://localhost:5984/couchrest-model-test')
CouchRest::Model.default_database = CouchRest.database!('http://localhost:5984/couchrest-test')
end
it "should use the default database" do
Basic.database.info['db_name'].should == 'couchrest-test'
end
it "should override the default db" do
Article.database.info['db_name'].should == 'couchrest-model-test'
end
describe "a new model" do
it "should be a new_record" do
@obj = Basic.new
@obj.should be_a_new_record
end
end
describe "a model with key_accessors" do
it "should allow reading keys" do
@art = Article.new
@art.doc['title'] = 'My Article Title'
@art.title.should == 'My Article Title'
end
it "should allow setting keys" do
@art = Article.new
@art.title = 'My Article Title'
@art.doc['title'].should == 'My Article Title'
end
end
describe "a model with key_writers" do
it "should allow setting keys" do
@art = Article.new
t = Time.now
@art.date = t
@art.doc['date'].should == t
end
it "should not allow reading keys" do
@art = Article.new
t = Time.now
@art.date = t
lambda{@art.date}.should raise_error
end
end
describe "a model with key_readers" do
it "should allow reading keys" do
@art = Article.new
@art.doc['slug'] = 'my-slug'
@art.slug.should == 'my-slug'
end
it "should not allow setting keys" do
@art = Article.new
lambda{@art.slug = 'My Article Title'}.should raise_error
end
end
describe "getting a model" do
before(:all) do
@art = Article.new(:title => 'All About Getting')
@art.save
end
it "should load and instantiate it" do
foundart = Article.get @art.id
foundart.title.should == "All About Getting"
end
end
describe "saving a model" do
before(:all) do
@obj = Basic.new
@obj.save.should == true
end
it "should save the doc" do
doc = @obj.database.get @obj.id
doc['_id'].should == @obj.id
end
it "should be set for resaving" do
rev = @obj.rev
@obj.doc['another-key'] = "some value"
@obj.save
@obj.rev.should_not == rev
end
it "should set the id" do
@obj.id.should be_an_instance_of String
end
it "should set the type" do
@obj.doc['type'].should == 'Basic'
end
end
describe "saving a model with a unique_id configured" do
before(:each) do
@art = Article.new
@old = Article.database.get('this-is-the-title') rescue nil
Article.database.delete(@old) if @old
end
it "should require the title" do
lambda{@art.save}.should raise_error
@art.title = 'This is the title'
@art.save.should == true
end
it "should not change the slug on update" do
@art.title = 'This is the title'
@art.save.should == true
@art.title = 'new title'
@art.save.should == true
@art.slug.should == 'this-is-the-title'
end
it "should raise an error when the slug is taken" do
@art.title = 'This is the title'
@art.save.should == true
@art2 = Article.new(:title => 'This is the title!')
lambda{@art2.save}.should raise_error
end
it "should set the slug" do
@art.title = 'This is the title'
@art.save.should == true
@art.slug.should == 'this-is-the-title'
end
it "should set the id" do
@art.title = 'This is the title'
@art.save.should == true
@art.id.should == 'this-is-the-title'
end
end
describe "a model with timestamps" do
before(:all) do
@art = Article.new(:title => "Saving this")
@art.save
end
it "should set the time on create" do
(Time.now - @art.created_at).should < 2
foundart = Article.get @art.id
foundart.created_at.should == foundart.updated_at
end
it "should set the time on update" do
@art.save
@art.created_at.should < @art.updated_at
end
end
describe "a model with simple views and a default param" do
before(:all) do
written_at = Time.now - 24 * 3600 * 7
@titles = ["this and that", "also interesting", "more fun", "some junk"]
@titles.each do |title|
a = Article.new(:title => title)
a.date = written_at
a.save
written_at += 24 * 3600
end
end
it "should create the design doc" do
Article.by_date rescue nil
doc = Article.database.get("_design/Article")
doc['views']['by_date'].should_not be_nil
end
it "should return the matching raw view result" do
view = Article.by_date :raw => true
view['rows'].length.should == 4
end
it "should return the matching objects (with descending)" do
articles = Article.by_date
articles.collect{|a|a.title}.should == @titles.reverse
end
it "should allow you to override default args" do
articles = Article.by_date :descending => false
articles.collect{|a|a.title}.should == @titles
end
end
describe "a model with a compound key view" do
before(:all) do
written_at = Time.now - 24 * 3600 * 7
@titles = ["uniq one", "even more interesting", "less fun", "not junk"]
@user_ids = ["quentin", "aaron"]
@titles.each_with_index do |title,i|
u = i % 2
a = Article.new(:title => title, :user_id => @user_ids[u])
a.date = written_at
a.save
written_at += 24 * 3600
end
end
it "should create the design doc" do
Article.by_user_id_and_date rescue nil
doc = Article.database.get("_design/Article")
doc['views']['by_date'].should_not be_nil
end
it "should sort correctly" do
articles = Article.by_user_id_and_date
articles.collect{|a|a.doc['user_id']}.should == ['aaron', 'aaron', 'quentin', 'quentin']
articles[1].title.should == 'not junk'
end
it "should be queryable with couchrest options" do
articles = Article.by_user_id_and_date :count => 1, :startkey => 'quentin'
articles.length.should == 1
articles[0].title.should == "even more interesting"
end
end
describe "with a custom view" do
before(:all) do
@titles = ["very uniq one", "even less interesting", "some fun", "really junk", "crazy bob"]
@tags = ["cool", "lame"]
@titles.each_with_index do |title,i|
u = i % 2
a = Article.new(:title => title, :tags => [@tags[u]])
a.save
end
end
it "should be available raw" do
view = Article.by_tags :raw => true
view['rows'].length.should == 5
end
it "should be default to :reduce => false" do
ars = Article.by_tags
ars.first.tags.first.should == 'cool'
end
it "should be raw when reduce is true" do
view = Article.by_tags :reduce => true, :group => true
view['rows'].find{|r|r['key'] == 'cool'}['value'].should == 3
end
end
end