config_loader_spec.rb in configloader-0.3.0

- old
+ new
@@ -1,35 +1,39 @@
 require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
 
 describe "ConfigLoader" do
-  
-  describe ".load" do
-    
-    def prepare_mocks(running_env, project_root)
-      Rails.stub!(:env).and_return(running_env)
-      Rails.stub!(:root).and_return('/home/user/project')
-      ConfigLoader::Map.should_receive(:new).with('database', running_env, project_root).and_return(@map_mock)
-      @map_mock.should_receive(:load).and_return('config')
+  before(:each) do
+    @root_dir = File.expand_path(File.join(File.dirname(__FILE__), "..", "spec", "root_dir"))
+    Rails.stub!(:root).and_return(@root_dir)
+    Rails.stub!(:env).and_return('development')
+  end
+
+  describe ".load" do    
+    it "raises exception when no config file name is given" do
+      lambda { ConfigLoader.load(nil) }.should raise_error(ConfigLoader::MissingConfigFileNameError)
     end
     
-    before(:each) do
-      @map_mock = mock('ConfigLoader::Map')
+    it "raises exception when the config file can't be found" do
+      lambda { ConfigLoader.load('database', 'development', 'invalid_location') }.should raise_error(ConfigLoader::MissingConfigFileError)
     end
     
-    it "should delegate to ConfigLoader::Map.populate" do
-      prepare_mocks('development', '/home/user/project')      
-      ConfigLoader.load('database').should == 'config'
+    it "loads keys for Rails.env from the config file located in Rails.root/config" do
+      ConfigLoader.load('database')['name'].should == 'customers_development'
     end
     
-    it "should delegate to ConfigLoader::Map.populate with the given running_env" do
-      prepare_mocks('production', '/home/user/project')      
-      ConfigLoader.load('database', 'production').should == 'config'
+    it "loads keys for the given environament from the config file located in Rails.root/config" do
+      ConfigLoader.load('database', 'test')['name'].should == 'customers_test'
     end
 
-    it "should delegate to ConfigLoader::Map.populate with the given project_root" do
-      prepare_mocks('development', '/home/user/another_project')      
-      ConfigLoader.load('database', 'development', '/home/user/another_project').should == 'config'
+    it "loads keys for the given environmanent from the config file located under the given directory/config" do
+      alternative_root_dir = File.expand_path(File.join(File.dirname(__FILE__), "..", "spec", "alternative_root_dir"))
+      ConfigLoader.load('database', 'development', alternative_root_dir)['name'].should == 'alternative_customers_development'
     end
 
+    it "loads dinamic keys" do
+      # KEY:
+      #   name: <%= "CUSTOMERS".downcase %>_test
+      config = ConfigLoader.load('database', 'test')
+      config['name'].should == 'customers_test'
+    end
   end
-
 end