Use minitest vs mini_test everywhere

As noted by @zenspider in this comment [1], the rename is over 10 years
old, so it seems about time we update it!

I've also renamed `test/mini_test_result.rb` ->
`test/minitest_result_pre_v5.rb` to better explain its purpose. I did
initially think about removing this, but we're still running pre v5
versions of Minitest in the CI builds for Ruby v2.0 & v2.1, so I'm going
to leave that for now and address it separately.

[1]: #614 (comment)

.yardopts

@@ -16,7 +16,7 @@ lib/mocha/expectation_error.rb
 lib/mocha/stubbing_error.rb
 lib/mocha/unexpected_invocation.rb
 lib/mocha/integration/test_unit/adapter.rb
-lib/mocha/integration/mini_test/adapter.rb
+lib/mocha/integration/minitest/adapter.rb
 -
 RELEASE.md
 COPYING.md

Rakefile

@@ -45,7 +45,7 @@ namespace 'test' do # rubocop:disable Metrics/BlockLength
     desc 'Run Minitest integration tests (intended to be run in its own process)'
     Rake::TestTask.new('minitest') do |t|
       t.libs << 'test'
-      t.test_files = FileList['test/integration/mini_test_test.rb']
+      t.test_files = FileList['test/integration/minitest_test.rb']
       t.verbose = true
       t.warning = true
     end
@@ -93,7 +93,7 @@ end
 # rubocop:disable Metrics/CyclomaticComplexity,Metrics/PerceivedComplexity
 def benchmark_test_case(klass, iterations)
   require 'benchmark'
-  require 'mocha/detection/mini_test'
+  require 'mocha/detection/minitest'
 
   if defined?(Minitest)
     minitest_version = Gem::Version.new(Mocha::Detection::Minitest.version)

lib/mocha/integration/mini_test.rb → lib/mocha/integration/minitest.rb

@@ -1,6 +1,6 @@
 require 'mocha/debug'
-require 'mocha/detection/mini_test'
-require 'mocha/integration/mini_test/adapter'
+require 'mocha/detection/minitest'
+require 'mocha/integration/minitest/adapter'
 
 module Mocha
   module Integration
@@ -9,10 +9,10 @@ def self.activate
         target = Detection::Minitest.testcase
         return false unless target
 
-        mini_test_version = Gem::Version.new(Detection::Minitest.version)
-        Debug.puts "Detected Minitest version: #{mini_test_version}"
+        minitest_version = Gem::Version.new(Detection::Minitest.version)
+        Debug.puts "Detected Minitest version: #{minitest_version}"
 
-        unless Minitest::Adapter.applicable_to?(mini_test_version)
+        unless Minitest::Adapter.applicable_to?(minitest_version)
           raise 'Versions of minitest earlier than v3.3.0 are not supported.'
         end
 

lib/mocha/integration/mini_test/adapter.rb → lib/mocha/integration/minitest/adapter.rb

@@ -12,8 +12,8 @@ module Adapter
         include Mocha::API
 
         # @private
-        def self.applicable_to?(mini_test_version)
-          Gem::Requirement.new('>= 3.3.0').satisfied_by?(mini_test_version)
+        def self.applicable_to?(minitest_version)
+          Gem::Requirement.new('>= 3.3.0').satisfied_by?(minitest_version)
         end
 
         # @private

lib/mocha/minitest.rb

@@ -1,5 +1,5 @@
 require 'mocha/ruby_version'
-require 'mocha/integration/mini_test'
+require 'mocha/integration/minitest'
 
 unless Mocha::Integration::Minitest.activate
   raise "Minitest must be loaded *before* `require 'mocha/minitest'`."

test/test_helper.rb

@@ -8,7 +8,7 @@
 $LOAD_PATH.unshift File.expand_path(File.join(File.dirname(__FILE__), 'unit', 'parameter_matchers'))
 $LOAD_PATH.unshift File.expand_path(File.join(File.dirname(__FILE__), 'acceptance'))
 
-require 'mocha/detection/mini_test'
+require 'mocha/detection/minitest'
 
 begin
   require 'minitest'

test/test_runner.rb

@@ -1,6 +1,6 @@
 require 'assertions'
 
-require 'mocha/detection/mini_test'
+require 'mocha/detection/minitest'
 
 module TestRunner
   def run_as_test(&block)
@@ -28,7 +28,7 @@ def run_as_tests(methods = {})
         Minitest::Runnable.runnables.delete(test_class)
         test_result = MinitestResult.new(tests)
       elsif Gem::Requirement.new('> 0.0.0', '< 5.0.0').satisfied_by?(minitest_version)
-        require File.expand_path('../mini_test_result', __FILE__)
+        require File.expand_path('../minitest_result_pre_v5', __FILE__)
         runner = Minitest::Unit.new
         tests.each do |test|
           test.run(runner)