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-rw-r--r--test/test_bin.rb7
1 files changed, 3 insertions, 4 deletions
diff --git a/test/test_bin.rb b/test/test_bin.rb
index af990ad..579e39c 100644
--- a/test/test_bin.rb
+++ b/test/test_bin.rb
@@ -9,7 +9,7 @@ class TestBin < Testcase
 
   def setup
     server_helper_setup
-    @cmd = %W(ruby -I lib bin/yahns)
+    @cmd = %W(#{RbConfig.ruby} -I lib bin/yahns)
   end
 
   def test_listen_fd3
@@ -19,7 +19,7 @@ class TestBin < Testcase
 
     ru = tmpfile(%w(test_bin_daemon .ru))
     ru.write("require 'rack/lobster'; run Rack::Lobster.new\n")
-    cmd = %W(ruby -I lib bin/yahns-rackup
+    cmd = %W(#{RbConfig.ruby} -I lib bin/yahns-rackup
              -E none -p #{port} -o #{host} #{ru.path})
     pid = fork do # emulate a systemd environment
       env = {
@@ -159,10 +159,9 @@ class TestBin < Testcase
     # other processes which fork (but do not exec), causing ETXTBUSY on
     # Process.spawn
     pid = fork do
-      ruby = "#!#{`which ruby`}"
       File.open(exe, "w") { |y|
         lines = File.readlines("bin/yahns")
-        lines[0] = ruby
+        lines[0] = "#!#{RbConfig.ruby}\n"
         y.chmod(0755)
         y.syswrite(lines.join)
       }