spec/parameters_spec.rb in parameters-0.1.6 vs spec/parameters_spec.rb in parameters-0.1.7

@@ -1,10 +1,11 @@
 require 'parameters/parameters'
 
 require 'spec_helper'
 
 require 'classes/test_parameters'
+require 'classes/custom_parameters'
 require 'classes/inherited_parameters'
 require 'classes/other_parameters'
 
 describe Parameters do
   describe "in a Class" do
@@ -39,10 +40,36 @@
 
     it "should provide descriptions for parameters" do
       TestParameters.describe_param(:var).should_not be_empty
     end
 
+    it "should be able to initialize parameters" do
+      obj = TestParameters.new
+
+      obj.params.should_not be_empty
+    end
+
+    it "should set initialize parameters with initial nil values" do
+      obj = CustomParameters.new
+
+      obj.var_with_default.should == 10
+    end
+
+    it "should not override previous parameter values" do
+      obj = CustomParameters.new(:test,5)
+
+      obj.var.should == :test
+      obj.var_with_default.should == 5
+    end
+
+    it "should not override previous 'false' values of parameters" do
+      obj = CustomParameters.new(false,false)
+
+      obj.var.should == false
+      obj.var_with_default.should == false
+    end
+
     it "should be able to create an object with initial parameter values" do
       obj = TestParameters.new(:var => 2, :var_with_default => 'stuff')
 
       obj.var.should == 2
       obj.var_with_default.should == 'stuff'
@@ -126,8 +153,54 @@
 
     it "should require that certain parameters have non nil values" do
       lambda {
         @test.instance_eval { require_params(:var_without_default) }
       }.should raise_error(Parameters::MissingParam)
+    end
+  end
+
+  describe "runtime" do
+    before(:each) do
+      @test = TestParameters.new
+
+      @test.parameter :new_param
+      @test.parameter :new_param_with_default,
+                      :default => 5
+      @test.parameter :new_param_with_lambda,
+                      :default => lambda { |obj| obj.new_param_with_default + 2 }
+    end
+
+    it "should allow for the addition of parameters" do
+      @test.has_param?(:new_param).should == true
+    end
+
+    it "should provide direct access to all parameters" do
+      @test.params[:new_param].should_not be_nil
+      @test.params[:new_param_with_default].should_not be_nil
+      @test.params[:new_param_with_lambda].should_not be_nil
+    end
+
+    it "should add reader methods for parameters" do
+      @test.new_param.should be_nil
+    end
+
+    it "should add writer methods for parameters" do
+      @test.new_param = 10
+      @test.new_param.should == 10
+    end
+
+    it "should set the instance variables of parameters" do
+      @test.instance_variable_get(:@new_param_with_default).should == 5
+
+      @test.new_param_with_default = 10
+      @test.instance_variable_get(:@new_param_with_default).should == 10
+    end
+
+    it "should initialize parameters with default values" do
+      @test.new_param_with_default.should == 5
+    end
+
+    it "should initialize pamareters with default lambda values" do
+      @test.new_param_with_lambda.should == 7
     end
   end
 end