simple_navigation_spec.rb in simple-navigation-1.4.0

- old
+ new

@@ -1,31 +1,67 @@
 require File.dirname(__FILE__) + '/../spec_helper'
 
 describe SimpleNavigation do
   
+  describe 'config_files' do
+    before(:each) do
+      SimpleNavigation.config_files = {}
+    end
+    it "should be an empty hash after loading the module" do
+      SimpleNavigation.config_files.should == {}
+    end
+  end
+  
+  describe 'config_file_name' do
+    before(:each) do
+      SimpleNavigation.config_file_path = 'path_to_config'
+    end
+    context 'for :default navigation_context' do
+      it "should return the path to default config file" do
+        SimpleNavigation.config_file_name.should == 'path_to_config/navigation.rb'
+      end
+    end
+    
+    context 'for other navigation_context' do
+      it "should return the path to the config file matching the specified context" do
+        SimpleNavigation.config_file_name(:my_other_context).should == 'path_to_config/my_other_context_navigation.rb'
+      end
+      it "should convert camelcase-contexts to underscore" do
+        SimpleNavigation.config_file_name(:WhyWouldYouDoThis).should == 'path_to_config/why_would_you_do_this_navigation.rb'
+      end
+    end
+  end
+  
   describe 'load_config' do
     context 'config_file_path is set' do
       before(:each) do
         SimpleNavigation.config_file_path = 'path_to_config'
+        #SimpleNavigation.stub!(:config_file_name => 'path_to_config/navigation.rb')
       end
       
       context 'config_file does exist' do
         before(:each) do
           File.stub!(:exists?).and_return(true)
           IO.stub!(:read).and_return('file_content')
         end
         it "should not raise an error" do
           lambda{SimpleNavigation.load_config}.should_not raise_error
         end
-        it "should read the config file from disc" do
-          IO.should_receive(:read).with('path_to_config')
+        it "should read the specified config file from disc" do
+          IO.should_receive(:read).with('path_to_config/navigation.rb')
           SimpleNavigation.load_config
         end
-        it "should store the read content in the module" do
-          SimpleNavigation.should_receive(:config_file=).with('file_content')
+        it "should store the read content in the module (default context)" do
+          SimpleNavigation.should_receive(:config_file_name).with(:default).twice
           SimpleNavigation.load_config
+          SimpleNavigation.config_files[:default].should == 'file_content'
         end
+        it "should store the content in the module (non default context)" do
+          SimpleNavigation.should_receive(:config_file_name).with(:my_context).twice
+          SimpleNavigation.load_config(:my_context)
+          SimpleNavigation.config_files[:my_context].should == 'file_content'
+        end
       end
       
       context 'config_file does not exist' do
         before(:each) do
           File.stub!(:exists?).and_return(false)
@@ -37,9 +73,64 @@
     context 'config_file_path is not set' do
       before(:each) do
         SimpleNavigation.config_file_path = nil
       end
       it {lambda{SimpleNavigation.load_config}.should raise_error}
+    end
+    
+    describe 'regarding caching of the config-files' do
+      before(:each) do
+        IO.stub!(:read).and_return('file_content')
+        SimpleNavigation.config_file_path = 'path_to_config'
+        File.stub!(:exists? => true)
+      end
+      context "RAILS_ENV undefined" do
+        before(:each) do
+          ::RAILS_ENV = nil
+        end
+        it "should load the config file twice" do
+          IO.should_receive(:read).twice
+          SimpleNavigation.load_config
+          SimpleNavigation.load_config
+        end
+      end
+      context "RAILS_ENV defined" do
+        before(:each) do
+          ::RAILS_ENV = 'production'
+        end
+        context "RAILS_ENV=production" do
+          it "should load the config file only once" do
+            IO.should_receive(:read).once
+            SimpleNavigation.load_config
+            SimpleNavigation.load_config   
+          end
+        end
+        
+        context "RAILS_ENV=development" do
+          before(:each) do
+            ::RAILS_ENV = 'development'
+          end
+          it "should load the config file twice" do
+            IO.should_receive(:read).twice
+            SimpleNavigation.load_config
+            SimpleNavigation.load_config
+          end
+        end
+        
+        context "RAILS_ENV=test" do
+          before(:each) do
+            ::RAILS_ENV = 'test'
+          end
+          it "should load the config file twice" do
+            IO.should_receive(:read).twice
+            SimpleNavigation.load_config
+            SimpleNavigation.load_config
+          end
+        end
+      end
+      after(:each) do
+        SimpleNavigation.config_files = {}
+      end
     end
   end
   
   describe 'config' do
     it {SimpleNavigation.config.should == SimpleNavigation::Configuration.instance}
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