Remove EOL Rubies

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
  name: Ruby ${{ matrix.ruby }}
  strategy:
  matrix:
- ruby: ["2.6", "2.7", "3.0", "3.1", "3.2", "3.3"]
+ ruby: ["3.1", "3.2", "3.3"]
  steps:
  - uses: actions/checkout@v4
  - uses: ruby/setup-ruby@v1

CHANGELOG.md

@@ -1,5 +1,7 @@
 # Changelog
 
+- Remove EOL Rubies: < 3.1 are no longer supported (use an earlier version of the gem if needed)
+
 ## 1.0.2 - 17-06-2024
 
 - Add ability to profile commands via CLI @fatkodima

README.md

@@ -7,7 +7,7 @@ A memory profiler for Ruby
 
 ## Requirements
 
-Ruby(MRI) Version 2.5.0 and above.
+Ruby(MRI) Version 3.1.0 and above.
 
 ## Installation
 

lib/memory_profiler/helpers.rb

@@ -6,7 +6,6 @@ class Helpers
  def initialize
  @gem_guess_cache = Hash.new
  @location_cache = Hash.new { |h, k| h[k] = Hash.new.compare_by_identity }
- @class_name_cache = Hash.new.compare_by_identity
  @string_cache = Hash.new
  end
 
@@ -30,34 +29,17 @@ def lookup_location(file, line)
  end
 
  KERNEL_CLASS_METHOD = Kernel.instance_method(:class)
- if UnboundMethod.method_defined?(:bind_call)
- def object_class(obj)
- klass = obj.class rescue nil
- unless Class === klass
- # attempt to determine the true Class when .class returns something other than a Class
- klass = KERNEL_CLASS_METHOD.bind_call(obj)
- end
- klass
- end
- else
- def object_class(obj)
- klass = obj.class rescue nil
- unless Class === klass
- # attempt to determine the true Class when .class returns something other than a Class
- klass = KERNEL_CLASS_METHOD.bind(obj).call
- end
- klass
+ def object_class(obj)
+ klass = obj.class rescue nil
+ unless Class === klass
+ # attempt to determine the true Class when .class returns something other than a Class
+ klass = KERNEL_CLASS_METHOD.bind_call(obj)
  end
+ klass
  end
 
- if Object.name.frozen? # Since Ruby 2.7 Module#name no longer allocate a new string
- def lookup_class_name(klass)
- ((klass.is_a?(Class) && klass.name) || '<<Unknown>>').to_s
- end
- else
- def lookup_class_name(klass)
- @class_name_cache[klass] ||= ((klass.is_a?(Class) && klass.name) || '<<Unknown>>').to_s
- end
+ def lookup_class_name(klass)
+ ((klass.is_a?(Class) && klass.name) || '<<Unknown>>').to_s
  end
 
  def lookup_string(obj)

memory_profiler.gemspec

@@ -10,13 +10,13 @@ Gem::Specification.new do |spec|
  spec.version = MemoryProfiler::VERSION
  spec.authors = ["Sam Saffron"]
  spec.email = ["[email protected]"]
- spec.description = %q{Memory profiling routines for Ruby 2.5+}
- spec.summary = %q{Memory profiling routines for Ruby 2.5+}
+ spec.description = %q{Memory profiling routines for Ruby 3.1+}
+ spec.summary = %q{Memory profiling routines for Ruby 3.1+}
  spec.homepage = "https://github.com/SamSaffron/memory_profiler"
  spec.license = "MIT"
 
  spec.executables = ["ruby-memory-profiler"]
  spec.files = Dir["README.md", "CHANGELOG.md", "LICENSE.txt", "lib/**/*", "bin/ruby-memory-profiler"]
 
- spec.required_ruby_version = ">= 2.5.0"
+ spec.required_ruby_version = ">= 3.1.0"
 end

test/test_reporter.rb

@@ -232,15 +232,7 @@ def test_no_strings_retained_report
  end
  end
 
- if RUBY_VERSION < '3'
- # 3 times "0", 2 times for interpolated strings
- total_allocated = 5 * (3 + 2 + 2 + 2)
- unique = 20
- elsif RUBY_VERSION < '3.1'
- # 3 times "0", 2 times for short interpolated strings, 3 times for long interpolated strings
- total_allocated = 5 * (3 + 2 + 3 + 3)
- unique = 20
- elsif RUBY_VERSION < '3.3'
+ if RUBY_VERSION < '3.3'
  # 2 times for short interpolated strings, 3 times for long interpolated strings
  total_allocated = 5 * (2 + 3 + 3)
  unique = 15
@@ -262,7 +254,7 @@ def test_symbols_report
  string.to_sym
  end
 
- strings_allocated = RUBY_VERSION < '3' ? 2 : 1
+ strings_allocated = 1
  assert_equal(strings_allocated + 1, results.total_allocated)
  assert_includes(0..1, results.total_retained)
  assert_equal(1, results.strings_allocated.size)