couchrest_model/spec/couchrest/core/model_spec.rb

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require File.dirname(__FILE__) + '/../../spec_helper'
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class Basic < CouchRest::Model
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end
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class WithTemplate < CouchRest::Model
unique_id do |model|
model['important-field']
end
set_default({
:preset => 'value',
'more-template' => [1,2,3]
})
key_accessor :preset
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end
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class Question < CouchRest::Model
key_accessor :q, :a
end
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class Person < CouchRest::Model
key_accessor :name
def last_name
name.last
end
end
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class Course < CouchRest::Model
key_accessor :title
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cast :questions, :as => ['Question']
cast :professor, :as => 'Person'
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view_by :title
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view_by :dept, :ducktype => true
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end
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class Article < CouchRest::Model
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use_database CouchRest.database!('http://localhost:5984/couchrest-model-test')
unique_id :slug
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view_by :date, :descending => true
view_by :user_id, :date
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view_by :tags,
:map =>
"function(doc) {
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if (doc['couchrest-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
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key_accessor :title, :tags
timestamps!
before(:create, :generate_slug_from_title)
def generate_slug_from_title
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self['slug'] = title.downcase.gsub(/[^a-z0-9]/,'-').squeeze('-').gsub(/^\-|\-$/,'')
end
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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')
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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
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@obj.rev.should be_nil
@obj.should be_a_new_record
end
end
describe "a model with key_accessors" do
it "should allow reading keys" do
@art = Article.new
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@art['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'
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@art['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
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@art['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
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@art['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
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describe "update attributes" do
before(:each) do
a = Article.get "big-bad-danger" rescue nil
a.destroy if a
@art = Article.new(:title => "big bad danger")
@art.save
end
it "should work for attribute= methods" do
@art['title'].should == "big bad danger"
@art.update_attributes('date' => Time.now, :title => "super danger")
@art['title'].should == "super danger"
end
it "should flip out if an attribute= method is missing" do
lambda {
@art.update_attributes('slug' => "new-slug", :title => "super danger")
}.should raise_error
end
it "should not change other attributes if there is an error" do
lambda {
@art.update_attributes('slug' => "new-slug", :title => "super danger")
}.should raise_error
@art['title'].should == "big bad danger"
end
it "should save" do
@art['title'].should == "big bad danger"
@art.update_attributes('date' => Time.now, :title => "super danger")
loaded = Article.get @art.id
loaded['title'].should == "super danger"
end
end
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describe "a model with template values" do
before(:all) do
@tmpl = WithTemplate.new
end
it "should have fields set when new" do
@tmpl.preset.should == 'value'
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
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describe "getting a model with a subobjects array" do
before(:all) do
course_doc = {
"title" => "Metaphysics 200",
"questions" => [
{
"q" => "Carve the ___ of reality at the ___.",
"a" => ["beast","joints"]
},{
"q" => "Who layed the smack down on Leibniz's Law?",
"a" => "Willard Van Orman Quine"
}
]
}
r = Course.database.save course_doc
@course = Course.get r['id']
end
it "should load the course" do
@course.title.should == "Metaphysics 200"
end
it "should instantiate them as such" do
@course["questions"][0].a[0].should == "beast"
end
end
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describe "finding all instances of a model" do
before(:all) do
WithTemplate.new('important-field' => '1').save
WithTemplate.new('important-field' => '2').save
WithTemplate.new('important-field' => '3').save
WithTemplate.new('important-field' => '4').save
end
it "should make the design doc" do
WithTemplate.all
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d = WithTemplate.design_doc
d['views']['all']['map'].should include('WithTemplate')
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end
it "should find all" do
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rs = WithTemplate.all
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rs.length.should == 4
end
end
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describe "getting a model with a subobject field" do
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before(:all) do
course_doc = {
"title" => "Metaphysics 410",
"professor" => {
"name" => ["Mark", "Hinchliff"]
}
}
r = Course.database.save course_doc
@course = Course.get r['id']
end
it "should load the course" do
@course["professor"]["name"][1].should == "Hinchliff"
end
it "should instantiate the professor as a person" do
@course['professor'].last_name.should == "Hinchliff"
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end
end
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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
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@obj['another-key'] = "some value"
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@obj.save
@obj.rev.should_not == rev
end
it "should set the id" do
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@obj.id.should be_an_instance_of(String)
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end
it "should set the type" do
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@obj['couchrest-type'].should == 'Basic'
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end
end
describe "saving a model with a unique_id configured" do
before(:each) do
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@art = Article.new
@old = Article.database.get('this-is-the-title') rescue nil
Article.database.delete(@old) if @old
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end
it "should require the title" do
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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'
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@art.save.should == true
@art.id.should == 'this-is-the-title'
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end
end
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describe "saving a model with a unique_id lambda" do
before(:each) do
@templated = WithTemplate.new
@old = WithTemplate.get('very-important') rescue nil
@old.destroy if @old
end
it "should require the field" do
lambda{@templated.save}.should raise_error
@templated['important-field'] = 'very-important'
@templated.save.should == true
end
it "should save with the id" do
@templated['important-field'] = 'very-important'
@templated.save.should == true
t = WithTemplate.get('very-important')
t.should == @templated
end
it "should not change the id on update" do
@templated['important-field'] = 'very-important'
@templated.save.should == true
@templated['important-field'] = 'not-important'
@templated.save.should == true
t = WithTemplate.get('very-important')
t.should == @templated
end
it "should raise an error when the id is taken" do
@templated['important-field'] = 'very-important'
@templated.save.should == true
lambda{WithTemplate.new('important-field' => 'very-important').save}.should raise_error
end
it "should set the id" do
@templated['important-field'] = 'very-important'
@templated.save.should == true
@templated.id.should == 'very-important'
end
end
describe "a model with timestamps" do
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before(:each) do
oldart = Article.get "saving-this" rescue nil
oldart.destroy if oldart
@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
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describe "a model with simple views and a default param" do
before(:all) do
written_at = Time.now - 24 * 3600 * 7
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@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
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Article.by_date rescue nil
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doc = Article.design_doc
doc['views']['by_date'].should_not be_nil
end
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it "should return the matching raw view result" do
view = Article.by_date :raw => true
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view['rows'].length.should == 4
end
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it "should return the matching objects (with descending)" do
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articles = Article.by_date
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articles.collect{|a|a.title}.should == @titles.reverse
end
it "should allow you to override default args" do
articles = Article.by_date :descending => false
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articles.collect{|a|a.title}.should == @titles
end
end
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describe "another model with a simple view" do
before(:all) do
Course.database.delete! rescue nil
@db = @cr.create_db(TESTDB) rescue nil
Course.new(:title => 'aaa').save
Course.new(:title => 'bbb').save
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Course.new(:title => 'ddd').save
Course.new(:title => 'eee').save
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end
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it "should make the design doc upon first query" do
Course.by_title
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doc = Course.design_doc
doc['views']['all']['map'].should include('Course')
end
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it "should can query via view" do
# register methods with method-missing, for local dispatch. method
# missing lookup table, no heuristics.
view = Course.view :by_title
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designed = Course.by_title
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view.should == designed
end
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it "should get them" do
rs = Course.by_title
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rs.length.should == 4
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end
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it "should yield" do
courses = []
rs = Course.by_title # remove me
Course.view(:by_title) do |course|
# puts "course"
courses << course
end
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# courses.should == 'x'
courses[0]["doc"]["title"].should =='aaa'
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end
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end
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describe "a ducktype view" do
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before(:all) do
@id = @db.save({:dept => true})['id']
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end
it "should setup" do
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duck = Course.get(@id) # from a different db
duck["dept"].should == true
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end
it "should make the design doc" do
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@as = Course.by_dept
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@doc = Course.design_doc
@doc["views"]["by_dept"]["map"].should_not include("couchrest")
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end
it "should not look for class" do |variable|
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@as = Course.by_dept
@as[0]['_id'].should == @id
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end
end
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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
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doc = Article.design_doc
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doc['views']['by_date'].should_not be_nil
end
it "should sort correctly" do
articles = Article.by_user_id_and_date
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articles.collect{|a|a['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"
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end
end
describe "with a custom view" do
before(:all) do
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@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
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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
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describe "adding a view" do
before(:each) do
Article.by_date
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@design_docs = Article.database.documents :startkey => "_design/",
:endkey => "_design/\u9999"
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end
it "should not create a design doc on view definition" do
Article.view_by :created_at
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newdocs = Article.database.documents :startkey => "_design/",
:endkey => "_design/\u9999"
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newdocs["rows"].length.should == @design_docs["rows"].length
end
it "should create a new design document on view access" do
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Article.view_by :updated_at
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Article.by_updated_at
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newdocs = Article.database.documents :startkey => "_design/",
:endkey => "_design/\u9999"
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newdocs["rows"].length.should == @design_docs["rows"].length + 1
end
end
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describe "destroying an instance" do
before(:each) do
@obj = Basic.new
@obj.save.should == true
end
it "should return true" do
result = @obj.destroy
result.should == true
end
it "should be resavable" do
@obj.destroy
@obj.rev.should be_nil
@obj.id.should be_nil
@obj.save.should == true
end
it "should make it go away" do
@obj.destroy
lambda{Basic.get(@obj.id)}.should raise_error
end
end
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end