From 88045067e7ab258fafff8d052903cbf871a41510 Mon Sep 17 00:00:00 2001
From: ytjmt <46666464+ytjmt@users.noreply.github.com>
Date: Sat, 24 Dec 2022 00:07:38 +0900
Subject: [PATCH] Add specs for Refinement#import_methods and deprecation of
 include/prepend

---
 core/refinement/import_methods_spec.rb | 34 ++++++++++++++++++++++++++
 core/refinement/include_spec.rb        | 15 ++++++++++++
 core/refinement/prepend_spec.rb        | 15 ++++++++++++
 3 files changed, 64 insertions(+)
 create mode 100644 core/refinement/import_methods_spec.rb
 create mode 100644 core/refinement/include_spec.rb
 create mode 100644 core/refinement/prepend_spec.rb

diff --git a/core/refinement/import_methods_spec.rb b/core/refinement/import_methods_spec.rb
new file mode 100644
index 0000000000..1c526f5822
--- /dev/null
+++ b/core/refinement/import_methods_spec.rb
@@ -0,0 +1,34 @@
+require_relative '../../spec_helper'
+
+describe "Refinement#import_methods" do
+  ruby_version_is "3.1" do
+    context "when methods are defined in Ruby code" do
+      it "imports methods" do
+        str_utils = Module.new do
+          def indent(level)
+            " " * level + self
+          end
+        end
+
+        Module.new do
+          refine String do
+            import_methods str_utils
+            "foo".indent(3).should == "   foo"
+          end
+        end
+      end
+    end
+
+    context "when methods are not defined in Ruby code" do
+      it "raises ArgumentError" do
+        Module.new do
+          refine String do
+            -> {
+              import_methods Kernel
+            }.should raise_error(ArgumentError)
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/core/refinement/include_spec.rb b/core/refinement/include_spec.rb
new file mode 100644
index 0000000000..6e64947b67
--- /dev/null
+++ b/core/refinement/include_spec.rb
@@ -0,0 +1,15 @@
+require_relative '../../spec_helper'
+
+describe "Refinement#include" do
+  ruby_version_is "3.1" do
+    it "warns about deprecation" do
+      Module.new do
+        refine String do
+          -> {
+            include Module.new
+          }.should complain(/warning: Refinement#include is deprecated and will be removed in Ruby 3.2/)
+        end
+      end
+    end
+  end
+end
diff --git a/core/refinement/prepend_spec.rb b/core/refinement/prepend_spec.rb
new file mode 100644
index 0000000000..ba9b8ba400
--- /dev/null
+++ b/core/refinement/prepend_spec.rb
@@ -0,0 +1,15 @@
+require_relative '../../spec_helper'
+
+describe "Refinement#prepend" do
+  ruby_version_is "3.1" do
+    it "warns about deprecation" do
+      Module.new do
+        refine String do
+          -> {
+            prepend Module.new
+          }.should complain(/warning: Refinement#prepend is deprecated and will be removed in Ruby 3.2/)
+        end
+      end
+    end
+  end
+end