moar progress

koans/about_methods.rb

@@ -7,18 +7,18 @@ end
 class AboutMethods < Neo::Koan
 
   def test_calling_global_methods
-    assert_equal __, my_global_method(2,3)
+    assert_equal 5, my_global_method(2,3)
   end
 
   def test_calling_global_methods_without_parentheses
     result = my_global_method 2, 3
-    assert_equal __, result
+    assert_equal 5, result
   end
 
   # (NOTE: We are Using eval below because the example code is
   # considered to be syntactically invalid).
   def test_sometimes_missing_parentheses_are_ambiguous
-    eval "assert_equal 5, my_global_method 2, 3" # ENABLE CHECK
+    eval "assert_equal 5, my_global_method(2, 3)" # ENABLE CHECK
     #
     # Ruby doesn't know if you mean:
     #
@@ -33,15 +33,15 @@ class AboutMethods < Neo::Koan
   # NOTE: wrong number of arguments is not a SYNTAX error, but a
   # runtime error.
   def test_calling_global_methods_with_wrong_number_of_arguments
-    exception = assert_raise(___) do
+    exception = assert_raise(ArgumentError) do
       my_global_method
     end
-    assert_match(/__/, exception.message)
+    assert_match(/wrong number of arguments/, exception.message)
 
-    exception = assert_raise(___) do
+    exception = assert_raise(ArgumentError) do
       my_global_method(1,2,3)
     end
-    assert_match(/__/, exception.message)
+    assert_match(/wrong number of arguments/, exception.message)
   end
 
   # ------------------------------------------------------------------
@@ -51,8 +51,8 @@ class AboutMethods < Neo::Koan
   end
 
   def test_calling_with_default_values
-    assert_equal [1, __], method_with_defaults(1)
-    assert_equal [1, __], method_with_defaults(1, 2)
+    assert_equal [1, :default_value], method_with_defaults(1)
+    assert_equal [1, 2], method_with_defaults(1, 2)
   end
 
   # ------------------------------------------------------------------
@@ -62,10 +62,10 @@ class AboutMethods < Neo::Koan
   end
 
   def test_calling_with_variable_arguments
-    assert_equal __, method_with_var_args.class
-    assert_equal __, method_with_var_args
-    assert_equal __, method_with_var_args(:one)
-    assert_equal __, method_with_var_args(:one, :two)
+    assert_equal Array, method_with_var_args.class
+    assert_equal [], method_with_var_args
+    assert_equal [:one], method_with_var_args(:one)
+    assert_equal [:one, :two], method_with_var_args(:one, :two)
   end
 
   # ------------------------------------------------------------------
@@ -77,7 +77,7 @@ class AboutMethods < Neo::Koan
   end
 
   def test_method_with_explicit_return
-    assert_equal __, method_with_explicit_return
+    assert_equal :return_value, method_with_explicit_return
   end
 
   # ------------------------------------------------------------------
@@ -88,7 +88,7 @@ class AboutMethods < Neo::Koan
   end
 
   def test_method_without_explicit_return
-    assert_equal __, method_without_explicit_return
+    assert_equal :return_value, method_without_explicit_return
   end
 
   # ------------------------------------------------------------------
@@ -98,11 +98,11 @@ class AboutMethods < Neo::Koan
   end
 
   def test_calling_methods_in_same_class
-    assert_equal __, my_method_in_the_same_class(3,4)
+    assert_equal 12, my_method_in_the_same_class(3,4)
   end
 
   def test_calling_methods_in_same_class_with_explicit_receiver
-    assert_equal __, self.my_method_in_the_same_class(3,4)
+    assert_equal 12, self.my_method_in_the_same_class(3,4)
   end
 
   # ------------------------------------------------------------------
@@ -113,7 +113,7 @@ class AboutMethods < Neo::Koan
   private :my_private_method
 
   def test_calling_private_methods_without_receiver
-    assert_equal __, my_private_method
+    assert_equal "a secret", my_private_method
   end
 
   if before_ruby_version("2.7")   # https://github.com/edgecase/ruby_koans/issues/12
@@ -141,12 +141,12 @@ class AboutMethods < Neo::Koan
 
   def test_calling_methods_in_other_objects_require_explicit_receiver
     rover = Dog.new
-    assert_equal __, rover.name
+    assert_equal "Fido", rover.name
   end
 
   def test_calling_private_methods_in_other_objects
     rover = Dog.new
-    assert_raise(___) do
+    assert_raise(NoMethodError) do
       rover.tail
     end
   end