option_spec.rb in option-1.2.0

- old
+ new

@@ -88,10 +88,22 @@
   end
 
   it "#flatten should return itself" do
     None.flatten.must_be_none
   end
+
+  it "#error should raise a RuntimeError with the given message" do
+    lambda { None.error("error") }.must_raise RuntimeError, "error"
+  end
+
+  it "#error should raise the error passed to it" do
+    -> { None.error(ArgumentError.new("name")) }.must_raise ArgumentError, "name"
+  end
+
+  it "should assemble an Error from the arguments passed in" do
+    -> { None.error(StandardError, "this is a problem") }.must_raise StandardError, "this is a problem"
+  end
 end
 
 describe SomeClass do
 
   it "#to_a returns the value wrapped in an array" do
@@ -192,9 +204,14 @@
 
   it "#flatten" do
     inner_value = Some(Some(Some(value))).flatten
     inner_value.must_be_some(value)
     inner_value.or_nil.must_equal(value)
+  end
+
+  it "#error should return the Some" do
+    value = !!(Some(value).error("error") rescue false)
+    value.must_equal true
   end
 end
 
 describe OptionClass do
 