Do not require a test file in a separately run test case

test/openssl/test_engine.rb

@@ -26,15 +26,15 @@ def test_openssl_engine_by_id_string
     with_openssl <<-'end;'
       orig = OpenSSL::Engine.engines
       pend "'openssl' is already loaded" if orig.any? { |e| e.id == "openssl" }
-      engine = get_engine
+      engine = OpenSSL::Engine.by_id("openssl")
       assert_not_nil(engine)
       assert_equal(1, OpenSSL::Engine.engines.size - orig.size)
     end;
   end
 
   def test_openssl_engine_id_name_inspect
     with_openssl <<-'end;'
-      engine = get_engine
+      engine = OpenSSL::Engine.by_id("openssl")
       assert_equal("openssl", engine.id)
       assert_not_nil(engine.name)
       assert_not_nil(engine.inspect)
@@ -43,7 +43,7 @@ def test_openssl_engine_id_name_inspect
 
   def test_openssl_engine_digest_sha1
     with_openssl <<-'end;'
-      engine = get_engine
+      engine = OpenSSL::Engine.by_id("openssl")
       digest = engine.digest("SHA1")
       assert_not_nil(digest)
       data = "test"
@@ -59,12 +59,21 @@ def test_openssl_engine_cipher_rc4
     end
 
     with_openssl(<<-'end;', ignore_stderr: true)
-      engine = get_engine
+      engine = OpenSSL::Engine.by_id("openssl")
       algo = "RC4"
       data = "a" * 1000
       key = OpenSSL::Random.random_bytes(16)
-      encrypted = crypt_data(data, key, :encrypt) { engine.cipher(algo) }
-      decrypted = crypt_data(encrypted, key, :decrypt) { OpenSSL::Cipher.new(algo) }
+
+      cipher = engine.cipher(algo)
+      cipher.encrypt
+      cipher.key = key
+      encrypted = cipher.update(data) + cipher.final
+
+      cipher = OpenSSL::Cipher.new(algo)
+      cipher.decrypt
+      cipher.key = key
+      decrypted = cipher.update(encrypted) + cipher.final
+
       assert_equal(data, decrypted)
     end;
   end
@@ -74,24 +83,9 @@ def test_openssl_engine_cipher_rc4
   # this is required because OpenSSL::Engine methods change global state
   def with_openssl(code, **opts)
     assert_separately([{ "OSSL_MDEBUG" => nil }, "-ropenssl"], <<~"end;", **opts)
-      require #{__FILE__.dump}
-      include OpenSSL::TestEngine::Utils
       #{code}
     end;
   end
-
-  module Utils
-    def get_engine
-      OpenSSL::Engine.by_id("openssl")
-    end
-
-    def crypt_data(data, key, mode)
-      cipher = yield
-      cipher.send mode
-      cipher.key = key
-      cipher.update(data) + cipher.final
-    end
-  end
 end
 
 end

test/openssl/test_fips.rb

@@ -12,8 +12,6 @@ def test_fips_mode_is_reentrant
   def test_fips_mode_get
     return unless OpenSSL::OPENSSL_FIPS
     assert_separately([{ "OSSL_MDEBUG" => nil }, "-ropenssl"], <<~"end;")
-      require #{__FILE__.dump}
-
       begin
         OpenSSL.fips_mode = true
         assert OpenSSL.fips_mode == true, ".fips_mode returns true when .fips_mode=true"