Add receive_messages macro to stub multiple methods

src/spectator/dsl/mocks.cr

@@ -49,4 +49,13 @@ module Spectator::DSL
     %source = ::Spectator::Source.new({{_source_file}}, {{_source_line}})
     ::Spectator::Mocks::NilMethodStub.new({{method_name.id.symbolize}}, %source)
   end
+
+  macro receive_messages(_source_file = __FILE__, _source_line = __LINE__, **stubs)
+    %source = ::Spectator::Source.new({{_source_file}}, {{_source_line}})
+    %stubs = [] of ::Spectator::Mocks::MethodStub
+    {% for name, value in stubs %}
+    %stubs << ::Spectator::Mocks::ValueMethodStub.new({{name.id.symbolize}}, %source, {{value}})
+    {% end %}
+    %stubs
+  end
 end

src/spectator/mocks/allow.cr

@@ -8,5 +8,11 @@ module Spectator::Mocks
     def to(stub : MethodStub) : Nil
       Harness.current.mocks.add_stub(@mock, stub)
     end
+
+    def to(stubs : Enumerable(MethodStub)) : Nil
+      stubs.each do |stub|
+        Harness.current.mocks.add_stub(@mock, stub)
+      end
+    end
   end
 end

src/spectator/mocks/allow_any_instance.cr

@@ -5,5 +5,11 @@ module Spectator::Mocks
     def to(stub : MethodStub) : Nil
       Harness.current.mocks.add_type_stub(T, stub)
     end
+
+    def to(stubs : Enumerable(MethodStub)) : Nil
+      stubs.each do |stub|
+        Harness.current.mocks.add_type_stub(T, stub)
+      end
+    end
   end
 end