Demoting collection support, using latest couchrest, ensuring reduce always included when needed

Gemfile.lock

@@ -3,7 +3,7 @@ PATH
   specs:
     couchrest_model (1.1.0.beta)
       activemodel (~> 3.0.0)
-      couchrest (~> 1.0.1)
+      couchrest (~> 1.0.2)
       mime-types (~> 1.15)
       railties (~> 3.0.0)
       tzinfo (~> 0.3.22)
@@ -28,10 +28,10 @@ GEM
       i18n (~> 0.4)
     activesupport (3.0.4)
     builder (2.1.2)
-    couchrest (1.0.1)
+    couchrest (1.0.2)
-      json (>= 1.4.6)
+      json (~> 1.5.1)
-      mime-types (>= 1.15)
+      mime-types (~> 1.15)
-      rest-client (>= 1.5.1)
+      rest-client (~> 1.6.1)
     diff-lcs (1.1.2)
     erubis (2.6.6)
       abstract (>= 1.0.0)
@@ -67,7 +67,7 @@ PLATFORMS
 
 DEPENDENCIES
   activemodel (~> 3.0.0)
-  couchrest (~> 1.0.1)
+  couchrest (~> 1.0.2)
   couchrest_model!
   mime-types (~> 1.15)
   rack-test (>= 0.5.7)

couchrest_model.gemspec

@@ -23,7 +23,7 @@ Gem::Specification.new do |s|
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
   
-  s.add_dependency(%q<couchrest>, "~> 1.0.1")
+  s.add_dependency(%q<couchrest>, "~> 1.0.2")
   s.add_dependency(%q<mime-types>, "~> 1.15")
   s.add_dependency(%q<activemodel>, "~> 3.0.0")
   s.add_dependency(%q<tzinfo>, "~> 0.3.22")

history.txt

@@ -6,9 +6,10 @@
 
 * Minor enhancements:
   * A yield parameter in an anonymous casted model property block is no longer required (@samlown)
-	* Narrow the rescued exception to avoid catching class evaluation errors that has nothing to to with the association (thanks Simone Carletti)
+  * Narrow the rescued exception to avoid catching class evaluation errors that has nothing to to with the association (thanks Simone Carletti)
-	* Fix validate uniqueness test that was never executed (thanks Simone Carletti)
+  * Fix validate uniqueness test that was never executed (thanks Simone Carletti)
-	* Adds a #reload method to reload document attributes (thanks Simone Carletti)
+  * Adds a #reload method to reload document attributes (thanks Simone Carletti)
+  * CollectionProxy no longer provided by default with simple views (pending deprication)
 
 == CouchRest Model 1.0.0
 

lib/couchrest/model/views.rb

@@ -85,9 +85,14 @@ module CouchRest
         end
 
         # returns stored defaults if there is a view named this in the design doc
-        def has_view?(view)
+        def has_view?(name)
-          view = view.to_s
+          design_doc && design_doc.has_view?(name)
-          design_doc && design_doc['views'] && design_doc['views'][view]
+        end
+
+        # Check if the view can be reduced by checking to see if it has a
+        # reduce function.
+        def can_reduce_view?(name)
+          design_doc && design_doc.can_reduce_view?(name)
         end
 
         # Dispatches to any named view.
@@ -127,12 +132,9 @@ module CouchRest
           if raw || (opts.has_key?(:include_docs) && opts[:include_docs] == false)
             fetch_view(db, name, opts, &block)
           else
-            if block.nil?
+            opts = opts.merge(:include_docs => true)
-              collection_proxy_for(design_doc, name, opts.merge({:database => db, :include_docs => true}))
+            view = fetch_view db, name, opts, &block
-            else
+            view['rows'].collect{|r| build_from_database(r['doc'])} if view['rows']
-              view = fetch_view db, name, opts.merge({:include_docs => true}), &block
-              view['rows'].collect{|r|build_from_database(r['doc'])} if view['rows']
-            end
           end
         end
 

spec/couchrest/collection_spec.rb

@@ -0,0 +1,89 @@
+require File.expand_path("../../spec_helper", __FILE__)
+require File.join(FIXTURE_PATH, 'more', 'article')
+
+describe "Collections" do
+
+  before(:all) do
+    reset_test_db!
+    Article.refresh_design_doc
+    titles = ["very uniq one", "really interesting", "some fun",
+      "really awesome", "crazy bob", "this rocks", "super rad"]
+    titles.each_with_index do |title,i|
+      a = Article.new(:title => title, :date => Date.today)
+      a.save
+    end
+    
+    titles = ["yesterday very uniq one", "yesterday really interesting", "yesterday some fun",
+      "yesterday really awesome", "yesterday crazy bob", "yesterday this rocks"]
+    titles.each_with_index do |title,i|
+      a = Article.new(:title => title, :date => Date.today - 1)
+      a.save
+    end
+  end 
+  it "should return a proxy that looks like an array of 7 Article objects" do
+    articles = Article.collection_proxy_for('Article', 'by_date', :descending => true,
+      :key => Date.today, :include_docs => true)
+    articles.class.should == Array
+    articles.size.should == 7
+  end
+  it "should provide a class method for paginate" do
+    articles = Article.paginate(:design_doc => 'Article', :view_name => 'by_date',
+      :per_page => 3, :descending => true, :key => Date.today, :include_docs => true)
+    articles.size.should == 3
+    
+    articles = Article.paginate(:design_doc => 'Article', :view_name => 'by_date',
+      :per_page => 3, :page => 2, :descending => true, :key => Date.today, :include_docs => true)
+    articles.size.should == 3
+    
+    articles = Article.paginate(:design_doc => 'Article', :view_name => 'by_date',
+      :per_page => 3, :page => 3, :descending => true, :key => Date.today, :include_docs => true)
+    articles.size.should == 1
+  end
+  it "should provide a class method for paginated_each" do
+    options = { :design_doc => 'Article', :view_name => 'by_date',
+      :per_page => 3, :page => 1, :descending => true, :key => Date.today,
+      :include_docs => true }
+    Article.paginated_each(options) do |a|
+      a.should_not be_nil
+    end
+  end
+  it "should provide a class method to get a collection for a view" do
+    articles = Article.find_all_article_details(:key => Date.today)
+    articles.class.should == Array
+    articles.size.should == 7
+  end
+  it "should get a subset of articles using paginate" do
+    articles = Article.collection_proxy_for('Article', 'by_date', :key => Date.today, :include_docs => true)
+    articles.paginate(:page => 1, :per_page => 3).size.should == 3
+    articles.paginate(:page => 2, :per_page => 3).size.should == 3
+    articles.paginate(:page => 3, :per_page => 3).size.should == 1
+  end
+  it "should get all articles, a few at a time, using paginated each" do
+    articles = Article.collection_proxy_for('Article', 'by_date', :key => Date.today, :include_docs => true)
+    articles.paginated_each(:per_page => 3) do |a|
+      a.should_not be_nil
+    end
+  end 
+
+  it "should raise an exception if design_doc is not provided" do
+    lambda{Article.collection_proxy_for(nil, 'by_date')}.should raise_error
+    lambda{Article.paginate(:view_name => 'by_date')}.should raise_error
+  end
+  it "should raise an exception if view_name is not provided" do
+    lambda{Article.collection_proxy_for('Article', nil)}.should raise_error
+    lambda{Article.paginate(:design_doc => 'Article')}.should raise_error
+  end
+  it "should be able to span multiple keys" do
+    articles = Article.collection_proxy_for('Article', 'by_date', :startkey => Date.today - 1, :endkey => Date.today, :include_docs => true)
+    articles.paginate(:page => 1, :per_page => 3).size.should == 3
+    articles.paginate(:page => 3, :per_page => 3).size.should == 3
+    articles.paginate(:page => 5, :per_page => 3).size.should == 1
+  end
+  it "should pass database parameter to pager" do
+    proxy = mock(:proxy)
+    proxy.stub!(:paginate)
+    ::CouchRest::Model::Collection::CollectionProxy.should_receive(:new).with('database', anything(), anything(), anything(), anything()).and_return(proxy)
+    Article.paginate(:design_doc => 'Article', :view_name => 'by_date', :database => 'database')
+  end
+
+end

spec/couchrest/view_spec.rb

@@ -27,6 +27,20 @@ describe "Model views" do
       end
 
     end
+
+    describe "#has_view?" do
+      it "should check the design doc" do
+        Article.design_doc.should_receive(:has_view?).with(:test).and_return(true)
+        Article.has_view?(:test).should be_true
+      end
+    end
+
+    describe "#can_reduce_view?" do
+      it "should check if view has a reduce method" do
+        Article.design_doc.should_receive(:can_reduce_view?).with(:test).and_return(true)
+        Article.can_reduce_view?(:test).should be_true
+      end
+    end
   end
 
   describe "a model with simple views and a default param" do
@@ -184,6 +198,11 @@ describe "Model views" do
       course.title.should eql('bbb')
     end
 
+    it "should perform a search for first when reduce method present" do
+      course = Course.first_from_view('by_active')
+      course.should_not be_nil
+    end
+
   end
   
   describe "a ducktype view" do
@@ -375,95 +394,4 @@ describe "Model views" do
     end
   end
 
-  describe "with a collection" do
-    before(:all) do
-      reset_test_db!
-      titles = ["very uniq one", "really interesting", "some fun",
-        "really awesome", "crazy bob", "this rocks", "super rad"]
-      titles.each_with_index do |title,i|
-        a = Article.new(:title => title, :date => Date.today)
-        a.save
-      end
-      
-      titles = ["yesterday very uniq one", "yesterday really interesting", "yesterday some fun",
-        "yesterday really awesome", "yesterday crazy bob", "yesterday this rocks"]
-      titles.each_with_index do |title,i|
-        a = Article.new(:title => title, :date => Date.today - 1)
-        a.save
-      end
-    end 
-    require 'date'
-    it "should return a proxy that looks like an array of 7 Article objects" do
-      articles = Article.by_date :key => Date.today
-      articles.class.should == Array
-      articles.size.should == 7
-    end
-    it "should get a subset of articles using paginate" do
-      articles = Article.by_date :key => Date.today
-      articles.paginate(:page => 1, :per_page => 3).size.should == 3
-      articles.paginate(:page => 2, :per_page => 3).size.should == 3
-      articles.paginate(:page => 3, :per_page => 3).size.should == 1
-    end
-    it "should get all articles, a few at a time, using paginated each" do
-      articles = Article.by_date :key => Date.today
-      articles.paginated_each(:per_page => 3) do |a|
-        a.should_not be_nil
-      end
-    end 
-    it "should provide a class method to access the collection directly" do
-      articles = Article.collection_proxy_for('Article', 'by_date', :descending => true,
-        :key => Date.today, :include_docs => true)
-      articles.class.should == Array
-      articles.size.should == 7
-    end
-    it "should provide a class method for paginate" do
-      articles = Article.paginate(:design_doc => 'Article', :view_name => 'by_date',
-        :per_page => 3, :descending => true, :key => Date.today, :include_docs => true)
-      articles.size.should == 3
-      
-      articles = Article.paginate(:design_doc => 'Article', :view_name => 'by_date',
-        :per_page => 3, :page => 2, :descending => true, :key => Date.today, :include_docs => true)
-      articles.size.should == 3
-      
-      articles = Article.paginate(:design_doc => 'Article', :view_name => 'by_date',
-        :per_page => 3, :page => 3, :descending => true, :key => Date.today, :include_docs => true)
-      articles.size.should == 1
-    end
-    it "should provide a class method for paginated_each" do
-      options = { :design_doc => 'Article', :view_name => 'by_date',
-        :per_page => 3, :page => 1, :descending => true, :key => Date.today,
-        :include_docs => true }
-      Article.paginated_each(options) do |a|
-        a.should_not be_nil
-      end
-    end
-    it "should provide a class method to get a collection for a view" do
-      articles = Article.find_all_article_details(:key => Date.today)
-      articles.class.should == Array
-      articles.size.should == 7
-    end
-    it "should raise an exception if design_doc is not provided" do
-      lambda{Article.collection_proxy_for(nil, 'by_date')}.should raise_error
-      lambda{Article.paginate(:view_name => 'by_date')}.should raise_error
-    end
-    it "should raise an exception if view_name is not provided" do
-      lambda{Article.collection_proxy_for('Article', nil)}.should raise_error
-      lambda{Article.paginate(:design_doc => 'Article')}.should raise_error
-    end
-    it "should be able to span multiple keys" do
-      articles = Article.by_date :startkey => Date.today, :endkey => Date.today - 1
-      articles.paginate(:page => 1, :per_page => 3).size.should == 3
-      articles.paginate(:page => 2, :per_page => 3).size.should == 3
-      articles.paginate(:page => 3, :per_page => 3).size.should == 3
-      articles.paginate(:page => 4, :per_page => 3).size.should == 3
-      articles.paginate(:page => 5, :per_page => 3).size.should == 1
-    end
-    it "should pass database parameter to pager" do
-      proxy = mock(:proxy)
-      proxy.stub!(:paginate)
-      ::CouchRest::Model::Collection::CollectionProxy.should_receive(:new).with('database', anything(), anything(), anything(), anything()).and_return(proxy)
-      Article.paginate(:design_doc => 'Article', :view_name => 'by_date', :database => 'database')
-    end
-  end
-
 end

spec/fixtures/more/course.rb

@@ -13,7 +13,7 @@ class Course < CouchRest::Model::Base
   property :hours, Integer
   property :profit, BigDecimal
   property :started_on, :type => Date
-  property :updated_at, :type => DateTime
+  property :updated_at, DateTime
   property :active, :type => TrueClass
   property :very_active, :type => TrueClass
   property :klass, :type => Class
@@ -22,4 +22,6 @@ class Course < CouchRest::Model::Base
   view_by :title, :active
   view_by :dept, :ducktype => true
 
+  view_by :active, :map => "function(d) { if (d['#{model_type_key}'] == 'Course' && d['active']) { emit(d['updated_at'], 1); }}", :reduce => "function(k,v,r) { return sum(v); }"
+
 end