Document and test MethodCall

src/spectator/mocks/method_call.cr

@@ -2,14 +2,19 @@ require "./abstract_arguments"
 require "./arguments"
 
 module Spectator
+  # Stores information about a call to a method.
   class MethodCall
+    # Name of the method.
     getter method : Symbol
 
+    # Arguments passed to the method.
     getter arguments : AbstractArguments
 
+    # Creates a method call.
     def initialize(@method : Symbol, @arguments : Arguments = Arguments.empty)
     end
 
+    # Creates a method call by splatting its arguments.
     def self.capture(method : Symbol, *args, **kwargs)
       arguments = Arguments.new(args, kwargs)
       new(method, arguments)