Adds a question method to determine environment. eg Merb.env?(:produc…

…tion)

lib/merb-core.rb

@@ -235,6 +235,18 @@ def testing?
       $TESTING || Merb::Config[:testing]
     end
 
+    # Ask the question about which environment you're in.
+    # ==== Parameters
+    # env<Symbol, String>:: Name of the environment to query
+    # 
+    # ==== Examples
+    # Merb.env #=> production
+    # Merb.env?(:production) #=> true
+    # Merb.env?(:development) #=> false
+    def env?(env)
+      Merb.env == env.to_s
+    end
+
     # If block was given configures using the block.
     #
     # ==== Parameters
@@ -299,6 +311,10 @@ def add_rakefiles(*rakefiles)
       @rakefiles ||= ['merb-core/test/tasks/spectasks']
       @rakefiles += rakefiles
     end
+
+
+
+
   end
 end
 

spec/public/core/merb_core_spec.rb

@@ -0,0 +1,34 @@
+require File.join(File.dirname(__FILE__), "..", "..", "spec_helper")
+
+describe "Merb.env helpers" do
+  before(:all) do
+    @orig_env = Merb.environment
+  end
+  after(:all) do
+    Merb.environment = @orig_env
+  end
+
+  it "should pickup the environment from env" do
+    %w(development test production staging demo).each do |e|
+      Merb.environment = e
+      Merb.env.should == e
+    end
+  end
+
+  it "should correctly answer the question about which env it's in with symbol or string" do
+    %w(development test production staging demo custom).each do |e|
+      Merb.environment = e
+      Merb.env?(e).should be true
+      Merb.env?(e.to_sym).should be_true
+    end
+  end
+
+  it "should answer false if asked for an environment that is not current" do
+    %w(development test production staging demo custom).each do |e|
+      Merb.environment = e
+      Merb.env?(:not_it).should be_false
+    end
+  end
+
+
+end