categorize model specs

spec/models/mongo_mapper/mongo_mapper_spec.rb

@@ -0,0 +1,86 @@
+require 'spec_helper'
+require 'mongo_mapper'
+require 'kaminari/models/mongo_mapper_extension'
+
+describe Kaminari::MongoMapperExtension do
+
+  before do
+    begin
+      MongoMapper.connection = Mongo::Connection.new('localhost', 27017)
+      MongoMapper.database = "kaminari_test"
+      class MongoMapperExtensionDeveloper
+        include ::MongoMapper::Document
+        key :salary, Integer
+      end
+    rescue Mongo::ConnectionFailure
+      pending 'can not connect to MongoDB'
+    end
+  end
+
+  before(:each) do
+    MongoMapperExtensionDeveloper.destroy_all
+    41.times { MongoMapperExtensionDeveloper.create!({:salary => 1}) }
+  end
+
+  describe '#page' do
+    context 'page 1' do
+      subject { MongoMapperExtensionDeveloper.page(1) }
+      it { should be_a Plucky::Query }
+      its(:current_page) { should == 1 }
+      its(:limit_value) { should == 25 }
+      its(:num_pages) { should == 2 }
+      it { should skip(0) }
+    end
+
+    context 'page 2' do
+      subject { MongoMapperExtensionDeveloper.page 2 }
+      it { should be_a Plucky::Query }
+      its(:current_page) { should == 2 }
+      its(:limit_value) { should == 25 }
+      its(:num_pages) { should == 2 }
+      it { should skip 25 }
+    end
+
+    context 'page "foobar"' do
+      subject { MongoMapperExtensionDeveloper.page 'foobar' }
+      it { should be_a Plucky::Query }
+      its(:current_page) { should == 1 }
+      its(:limit_value) { should == 25 }
+      its(:num_pages) { should == 2 }
+      it { should skip 0 }
+    end
+
+    context 'with criteria before' do
+      it "should have the proper criteria source" do
+        MongoMapperExtensionDeveloper.where(:salary => 1).page(2).criteria.source.should == {:salary => 1}
+      end
+
+      subject { MongoMapperExtensionDeveloper.where(:salary => 1).page 2 }
+      its(:current_page) { should == 2 }
+      its(:limit_value) { should == 25 }
+      its(:num_pages) { should == 2 }
+      it { should skip 25 }
+    end
+
+    context 'with criteria after' do
+      it "should have the proper criteria source" do
+        MongoMapperExtensionDeveloper.where(:salary => 1).page(2).criteria.source.should == {:salary => 1}
+      end
+
+      subject { MongoMapperExtensionDeveloper.page(2).where(:salary => 1) }
+      its(:current_page) { should == 2 }
+      its(:limit_value) { should == 25 }
+      its(:num_pages) { should == 2 }
+      it { should skip 25 }
+    end
+  end
+
+  describe '#per' do
+    subject { MongoMapperExtensionDeveloper.page(2).per(10) }
+    it { should be_a Plucky::Query }
+    its(:current_page) { should == 2 }
+    its(:limit_value) { should == 10 }
+    its(:num_pages) { should == 5 }
+    it { should skip 10 }
+  end
+end