Add compatibility with Ruby 3.4.0-preview1

.github/workflows/build.yml

@@ -19,6 +19,7 @@ jobs:
           - ruby3.1
           - ruby3.2
           - ruby3.3
+          - ruby3.4.0-preview1
         compiler:
           - gcc
           - clang

Rakefile

@@ -349,7 +349,7 @@ end
 
 def ruby_version_string
   string = ENV['RUBY'] || DEFAULT_HOST_RUBY_VERSION
-  raise 'must be in the format rubyX.Y' unless string =~ /^ruby\d\.\d$/
+  raise 'must be in the format rubyX.Y' unless string =~ /^ruby\d\.\d(?:\.\d-preview\d)?$/
   string
 end
 

test/natalie/backtrace_test.rb

@@ -11,7 +11,7 @@ class Baz < Buz # Buz is undefined
         end
       end
     }.should raise_error(NameError) { |e| bt = e.backtrace }
-    bt.filter_map { |l| l.match(/<[^>]+>/)&.to_s }.grep_v(/<top \(required\)>/).uniq.should == %w[
+    bt.filter_map { |l| l.match(/<[^>]+>/)&.to_s }.grep_v(/<top \(required\)>/).grep_v(/<internal:.*>/).uniq.should == %w[
       <class:Bar>
       <module:Foo>
       <main>

test/natalie/enumerator_test.rb

@@ -184,8 +184,16 @@ def to_ary
         (1...3).step(0.1).last(2).should == [2.8, 2.9]
       end
 
-      it 'raises if size is bignum and n is bignum' do
-        -> { (1..bignum_value).step.last(bignum_value) }.should raise_error(RangeError, "bignum too big to convert into `long'")
+      ruby_version_is ''...'3.4' do
+        it 'raises if size is bignum and n is bignum' do
+          -> { (1..bignum_value).step.last(bignum_value) }.should raise_error(RangeError, "bignum too big to convert into `long'")
+        end
+      end
+
+      ruby_version_is '3.4' do
+        it 'raises if size is bignum and n is bignum' do
+          -> { (1..bignum_value).step.last(bignum_value) }.should raise_error(RangeError, "bignum too big to convert into 'long'")
+        end
       end
 
       it 'raises ArgumentError if n is negative' do

test/natalie/method_test.rb

@@ -571,7 +571,7 @@ module Baz
     end
   end
 
-  ruby_version_is '3.3' do
+  ruby_version_is '3.3'...'3.4' do
     it 'raises an error when the method is not defined' do
       class Foo
       end
@@ -604,6 +604,40 @@ module Baz
       -> { not_a_method() }.should raise_error(NoMethodError, "undefined method `not_a_method' for main")
     end
   end
+
+  ruby_version_is '3.4' do
+    it 'raises an error when the method is not defined' do
+      class Foo
+      end
+      -> { Foo.new.not_a_method }.should raise_error(NoMethodError, "undefined method 'not_a_method' for an instance of Foo")
+    end
+
+    it 'does not loop infinitely when trying to call inspect on BasicObject' do
+      -> { BasicObject.new.inspect }.should raise_error(
+                                              NoMethodError,
+                                              "undefined method 'inspect' for an instance of BasicObject",
+                                            )
+    end
+
+    it 'raises an error when the class method is not defined' do
+      class Foo
+      end
+      -> { Foo.not_a_method }.should raise_error(NoMethodError, "undefined method 'not_a_method' for class Foo")
+    end
+
+    it 'raises an error when the module method is not defined' do
+      module Baz
+      end
+      -> { Baz.not_a_method }.should raise_error(NoMethodError, "undefined method 'not_a_method' for module Baz")
+    end
+
+    it 'raises an error when the method of a singleton object is not defined' do
+      -> { true.not_a_method }.should raise_error(NoMethodError, "undefined method 'not_a_method' for true")
+      -> { false.not_a_method }.should raise_error(NoMethodError, "undefined method 'not_a_method' for false")
+      -> { nil.not_a_method }.should raise_error(NoMethodError, "undefined method 'not_a_method' for nil")
+      -> { not_a_method() }.should raise_error(NoMethodError, "undefined method 'not_a_method' for main")
+    end
+  end
 end
 
 def returns_arg(arg)

test/natalie/method_visibility_test.rb

@@ -96,7 +96,7 @@ def public_bar_calling_private_foo_on_another_object
       end
     end
 
-    ruby_version_is '3.3' do
+    ruby_version_is '3.3'...'3.4' do
       it 'is not visible outside the class' do
         -> { Foo.new.private_foo }.should raise_error(
                                             NoMethodError,
@@ -109,6 +109,19 @@ def public_bar_calling_private_foo_on_another_object
       end
     end
 
+    ruby_version_is '3.4' do
+      it 'is not visible outside the class' do
+        -> { Foo.new.private_foo }.should raise_error(
+                                            NoMethodError,
+                                            "private method 'private_foo' called for an instance of Foo",
+                                          )
+        -> { Foo.new.private_foo2 }.should raise_error(
+                                             NoMethodError,
+                                             "private method 'private_foo2' called for an instance of Foo",
+                                           )
+      end
+    end
+
     it 'is visible inside the class' do
       Foo.new.public_foo_calling_private_foo.should == 'private'
     end
@@ -136,7 +149,7 @@ def public_bar_calling_private_foo_on_another_object
       end
     end
 
-    ruby_version_is '3.3' do
+    ruby_version_is '3.3'...'3.4' do
       it 'is not visible outside the class' do
         -> { Foo.new.protected_foo }.should raise_error(
                                               NoMethodError,
@@ -145,6 +158,15 @@ def public_bar_calling_private_foo_on_another_object
       end
     end
 
+    ruby_version_is '3.4' do
+      it 'is not visible outside the class' do
+        -> { Foo.new.protected_foo }.should raise_error(
+                                              NoMethodError,
+                                              "protected method 'protected_foo' called for an instance of Foo",
+                                            )
+      end
+    end
+
     it 'is visible inside the class' do
       Foo.new.public_foo_calling_protected_foo.should == 'protected'
     end

test/natalie/string_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 # encoding: utf-8
 
 require_relative '../spec_helper'

test/support/spec_helpers/tmp.rb

@@ -1,3 +1,5 @@
+#frozen_string_literal: false
+
 =begin
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