diff options
Diffstat (limited to 'spec/ruby/library/openstruct/method_missing_spec.rb')
-rw-r--r-- | spec/ruby/library/openstruct/method_missing_spec.rb | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/spec/ruby/library/openstruct/method_missing_spec.rb b/spec/ruby/library/openstruct/method_missing_spec.rb new file mode 100644 index 0000000000..6051fd48d8 --- /dev/null +++ b/spec/ruby/library/openstruct/method_missing_spec.rb @@ -0,0 +1,47 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require "ostruct" + +describe "OpenStruct#method_missing when called with a method name ending in '='" do + before :each do + @os = OpenStruct.new + end + + it "raises an ArgumentError when not passed any additional arguments" do + lambda { @os.method_missing(:test=) }.should raise_error(ArgumentError) + end + + it "raises a TypeError when self is frozen" do + @os.freeze + lambda { @os.method_missing(:test=, "test") }.should raise_error(RuntimeError) + end + + it "creates accessor methods" do + @os.method_missing(:test=, "test") + @os.respond_to?(:test=).should be_true + @os.respond_to?(:test).should be_true + + @os.test.should == "test" + @os.test = "changed" + @os.test.should == "changed" + end + + it "updates the method/value table with the passed method/value" do + @os.method_missing(:test=, "test") + @os.send(:table)[:test].should == "test" + end +end + +describe "OpenStruct#method_missing when passed additional arguments" do + it "raises a NoMethodError" do + os = OpenStruct.new + lambda { os.method_missing(:test, 1, 2, 3) }.should raise_error(NoMethodError) + end +end + +describe "OpenStruct#method_missing when not passed any additional arguments" do + it "returns the value for the passed method from the method/value table" do + os = OpenStruct.new(age: 20) + os.method_missing(:age).should eql(20) + os.method_missing(:name).should be_nil + end +end |