RSpec: Use expect syntax and also unset JAVACMD to make tests pass

spec/launcher_spec.rb

@@ -3,225 +3,226 @@
 
 describe "JRuby native launcher" do
   it "should run org.jruby.Main" do
-    jruby_launcher_args("").last.should == "org/jruby/Main"
+    expect(jruby_launcher_args("").last).to eq "org/jruby/Main"
   end
 
   it "should pass unrecognized arguments to JRuby" do
-    jruby_launcher_args("-J-Dsome.option -v --help")[-3..-1].should == ["org/jruby/Main", "-v", "--help"]
+    expect(jruby_launcher_args("-J-Dsome.option -v --help")[-3..-1]).to eq ["org/jruby/Main", "-v", "--help"]
   end
 
   it "should print help message" do
     args = jruby_launcher_args("-Xhelp 2>&1")
-    args.select {|l| l =~ /JRuby Launcher usage/}.should_not be_empty
-    args.should include("-X")
+    expect(args.select {|l| l =~ /JRuby Launcher usage/}).not_to be_empty
+    expect(args).to include("-X")
     args = jruby_launcher_args("-X 2>&1")
-    args.detect {|l| l =~ /JRuby Launcher usage/}.should_not be_empty
-    args.should include("-X")
+    expect(args.detect {|l| l =~ /JRuby Launcher usage/}).not_to be_empty
+    expect(args).to include("-X")
   end
 
   it "should use $JAVACMD when JAVACMD is specified" do
     with_environment "JAVACMD" => File.join("jato") do
       if windows?
-        jruby_launcher_args("-v 2>&1").join.should =~ %r{jato}
+        expect(jruby_launcher_args("-v 2>&1").join).to match %r{jato}
       else
-        jruby_launcher_args("-v").first.should == File.join("jato")
+        expect(jruby_launcher_args("-v").first).to eq File.join("jato")
       end
     end
   end
 
   it "should use $JAVA_HOME/bin/java when JAVA_HOME is specified" do
     with_environment "JAVA_HOME" => File.join("some", "java", "home") do
       if windows?
-        jruby_launcher_args("-v 2>&1").join.should =~ %r{some/java/home}
+        expect(jruby_launcher_args("-v 2>&1").join).to match %r{some/java/home}
       else
-        jruby_launcher_args("-v").first.should == File.join("some", "java", "home", "bin", "java")
+        expect(jruby_launcher_args("-v").first).to eq File.join("some", "java", "home", "bin", "java")
       end
     end
   end
 
   it "should use -Xjdkhome argument above JAVA_HOME" do
     with_environment "JAVA_HOME" => File.join("env", "java", "home") do
       if windows?
-        jruby_launcher_args("-Xjdkhome some/java/home 2>&1").join.should =~ %r{some/java/home}
+        expect(jruby_launcher_args("-Xjdkhome some/java/home 2>&1").join).to match %r{some/java/home}
       else
-        jruby_launcher_args("-Xjdkhome some/java/home").first.should == File.join("some", "java", "home", "bin", "java")
+        expect(jruby_launcher_args("-Xjdkhome some/java/home").first).to eq File.join("some", "java", "home", "bin", "java")
       end
     end
   end
 
   it "should drop the backslashes at the end of JAVA_HOME" do
     with_environment "JAVA_HOME" => File.join("some", "java", "home\\\\") do
       if windows?
-        jruby_launcher_args("").join.should =~ %r{some/java/home}
+        expect(jruby_launcher_args("").join).to match %r{some/java/home}
       else
-        jruby_launcher_args("").first.should == File.join("some", "java", "home", "bin", "java")
+        expect(jruby_launcher_args("").first).to eq File.join("some", "java", "home", "bin", "java")
       end
     end
   end
 
   it "should complain about a missing log argument" do
-    jruby_launcher("-Xtrace 2>&1").should =~ /Argument is missing for "-Xtrace"/
-    jruby_launcher("-Xtrace -- 2>&1").should =~ /Argument is missing for "-Xtrace"/
+    expect(jruby_launcher("-Xtrace 2>&1")).to match /Argument is missing for "-Xtrace"/
+    expect(jruby_launcher("-Xtrace -- 2>&1")).to match /Argument is missing for "-Xtrace"/
   end
 
   it "should complain about a missing jdkhome argument" do
-    jruby_launcher("-Xjdkhome 2>&1").should =~ /Argument is missing/
-    jruby_launcher("-Xjdkhome -- 2>&1").should =~ /Argument is missing/
+    expect(jruby_launcher("-Xjdkhome 2>&1")).to match /Argument is missing/
+    expect(jruby_launcher("-Xjdkhome -- 2>&1")).to match /Argument is missing/
   end
 
   it "should complain about a missing classpath append argument" do
-    jruby_launcher("-Xcp:a 2>&1").should =~ /Argument is missing/
-    jruby_launcher("-Xcp:a -- 2>&1").should =~ /Argument is missing/
+    expect(jruby_launcher("-Xcp:a 2>&1")).to match /Argument is missing/
+    expect(jruby_launcher("-Xcp:a -- 2>&1")).to match /Argument is missing/
   end
 
   it "should run nailgun server with --ng-server option" do
-    jruby_launcher_args("--ng-server").last.should == "com/martiansoftware/nailgun/NGServer"
+    expect(jruby_launcher_args("--ng-server").last).to eq "com/martiansoftware/nailgun/NGServer"
   end
 
   it "should run nailgun client with --ng option" do
-    jruby_launcher_args('--ng -e "puts 1"').should == ["org.jruby.util.NailMain", "-e", "puts 1"]
+    expect(jruby_launcher_args('--ng -e "puts 1"')).to eq ["org.jruby.util.NailMain", "-e", "puts 1"]
   end
 
   it "should handle -J JVM options" do
-    jruby_launcher_args("-J-Darg1=value1 -J-Darg2=value2").should include("-Darg1=value1", "-Darg2=value2")
+    expect(jruby_launcher_args("-J-Darg1=value1 -J-Darg2=value2")).to include("-Darg1=value1", "-Darg2=value2")
   end
 
   it "should pass -Xprop.erty=value as -J-Djruby.prop.erty=value" do
-    jruby_launcher_args("-Xprop.erty=value").should include("-Djruby.prop.erty=value")
+    expect(jruby_launcher_args("-Xprop.erty=value")).to include("-Djruby.prop.erty=value")
   end
 
   it "should pass -Xproperties as --properties" do
-    jruby_launcher_args("-Xproperties").should include("--properties")
+    expect(jruby_launcher_args("-Xproperties")).to include("--properties")
   end
 
   it "should default to 500m max heap" do
-    jruby_launcher_args("").should include("-Xmx500m")
+    expect(jruby_launcher_args("")).to include("-Xmx500m")
   end
 
   it "should allow max heap to be overridden" do
-    jruby_launcher_args("-J-Xmx256m").should include("-Xmx256m")
+    expect(jruby_launcher_args("-J-Xmx256m")).to include("-Xmx256m")
   end
 
   it "should default to 2048k max stack" do
-    jruby_launcher_args("").should include("-Xss2048k")
+    expect(jruby_launcher_args("")).to include("-Xss2048k")
   end
 
   it "should allow max stack to be overridden" do
-    jruby_launcher_args("-J-Xss512k").should include("-Xss512k")
+    expect(jruby_launcher_args("-J-Xss512k")).to include("-Xss512k")
   end
 
   it "should add the contents of the CLASSPATH environment variable" do
     with_environment "CLASSPATH" => "some.jar" do
-      classpath_arg(jruby_launcher_args("")).should =~ /some.jar/
+      expect(classpath_arg(jruby_launcher_args(""))).to match /some.jar/
     end
   end
 
   it "should add the classpath elements in proper order" do
     s = File::PATH_SEPARATOR
     with_environment "CLASSPATH" => "some-env.jar" do
       args = jruby_launcher_args("-Xcp:a some-other.jar -Xcp:p some.jar")
-      classpath_arg(args).should =~ /some.jar.*#{s}some-env.jar#{s}some-other.jar/
+      expect(classpath_arg(args)).to match /some.jar.*#{s}some-env.jar#{s}some-other.jar/
     end
   end
 
   it "should use the --server compiler" do
-    jruby_launcher_args("--server").should include("-server")
+    expect(jruby_launcher_args("--server")).to include("-server")
   end
 
   it "should use the --client compiler" do
-    jruby_launcher_args("--client").should include("-client")
+    expect(jruby_launcher_args("--client")).to include("-client")
   end
 
   it "should set the JMX settings when --manage is present" do
-    jruby_launcher_args("--manage").should include("-Dcom.sun.management.jmxremote", "-Djruby.management.enabled=true")
+    expect(jruby_launcher_args("--manage")).to include("-Dcom.sun.management.jmxremote", "-Djruby.management.enabled=true")
   end
 
   it "should set the headless flag when --headless is present" do
-    jruby_launcher_args("--headless").should include("-Djava.awt.headless=true")
+    expect(jruby_launcher_args("--headless")).to include("-Djava.awt.headless=true")
   end
 
   it "should pass -Xprof when --sample is present" do
-    jruby_launcher_args("--sample").should include("-Xprof")
+    expect(jruby_launcher_args("--sample")).to include("-Xprof")
   end
 
   it "should stop argument processing when a -- is seen" do
-    jruby_launcher_args("-- -Xhelp -Xtrace --headless").should include("-Xhelp", "-Xtrace", "--headless")
+    expect(jruby_launcher_args("-- -Xhelp -Xtrace --headless")).to include("-Xhelp", "-Xtrace", "--headless")
   end
 
   # JRUBY-4151
   it "should properly handle single quotes" do
-    jruby_launcher_args("-e 'ABC DEF'").should include("ABC DEF")
+    expect(jruby_launcher_args("-e 'ABC DEF'")).to include("ABC DEF")
   end
 
   # JRUBY-4581
   it "should prepend JRUBY_OPTS to the start of the argument list to process" do
     with_environment "JRUBY_OPTS" => "--server -J-Dsome.key=val -rubygems" do
-      jruby_launcher_args("-e 'ABC DEF'").should include("-server", "-Dsome.key=val", "-rubygems", "-e", "ABC DEF")
+      expect(jruby_launcher_args("-e 'ABC DEF'")).to include("-server", "-Dsome.key=val", "-rubygems", "-e", "ABC DEF")
     end
   end
 
   # JRUBY-4611
   it "stops argument processing on first non-option argument" do
-    jruby_launcher_args("foo.rb --sample")[-2..-1].should == ["foo.rb", "--sample"]
+    expect(jruby_launcher_args("foo.rb --sample")[-2..-1]).to eq ["foo.rb", "--sample"]
   end
 
   # JRUBY-4608
   if RbConfig::CONFIG['target_os'] =~ /darwin/i
     it "includes file.encoding=UTF-8 on Mac if JAVA_ENCODING is not set" do
-      jruby_launcher_args("-e true").should include("-Dfile.encoding=UTF-8")
+      expect(jruby_launcher_args("-e true")).to include("-Dfile.encoding=UTF-8")
       with_environment "JAVA_ENCODING" => "MacRoman" do
-        jruby_launcher_args("-e true").should_not include("-Dfile.encoding=UTF-8")
+        expect(jruby_launcher_args("-e true")).not_to include("-Dfile.encoding=UTF-8")
       end
     end
   end
 
   it "does not crash on empty args" do
-    jruby_launcher_args("-e ''").should include("-e")
-    jruby_launcher("-Xtrace '' 2>&1").should =~ /-Xtrace/
-    jruby_launcher("-Xjdkhome '' 2>&1").should =~ /-Xjdkhome/
+    expect(jruby_launcher_args("-e ''")).to include("-e")
+    expect(jruby_launcher("-Xtrace '' 2>&1")).to match /-Xtrace/
+    expect(jruby_launcher("-Xjdkhome '' 2>&1")).to match /-Xjdkhome/
   end
 
   # JRUBY-4706
   it "should put JRuby on regular classpath when -Xnobootclasspath is used" do
     args = jruby_launcher_args("-e true")
-    args.grep(/Xbootclasspath/).should_not be_empty
+    expect(args.grep(/Xbootclasspath/)).not_to be_empty
     args = jruby_launcher_args("-Xnobootclasspath -e true")
-    args.grep(/Xbootclasspath/).should be_empty
+    expect(args.grep(/Xbootclasspath/)).to be_empty
   end
 
   it "should put JRuby on regular classpath when VERIFY_JRUBY is set" do
     with_environment "VERIFY_JRUBY" => "true" do
       args = jruby_launcher_args("-e true")
-      args.grep(/Xbootclasspath/).should be_empty
+      expect(args.grep(/Xbootclasspath/)).to be_empty
     end
   end
 
   # JRUBY-4709
   it "should include a bare : or ; at the end of the classpath, to include PWD in the path" do
-    classpath_arg(jruby_launcher_args("-Xnobootclasspath -e true")).should =~
-      if windows?
-        /;$/
-      else
-        /:$/
-      end
+    end_of_path_pattern = if windows?
+      /;$/
+    else
+      /:$/
+    end
+
+    expect(classpath_arg(jruby_launcher_args("-Xnobootclasspath -e true"))).to match end_of_path_pattern
   end
 
   # JRUBY-6016
   it "should honor JAVA_MEM" do
     with_environment "JAVA_MEM" => "-Xmx768m" do
-      jruby_launcher_args("").should include("-Xmx768m")
+      expect(jruby_launcher_args("")).to include("-Xmx768m")
     end
   end
 
   it "should honor JAVA_STACK" do
     with_environment "JAVA_STACK" => "-Xss3072k" do
-      jruby_launcher_args("").should include("-Xss3072k")
+      expect(jruby_launcher_args("")).to include("-Xss3072k")
     end
   end
 
   it "should honor JRUBY_HOME" do
     with_environment "JRUBY_HOME" => "/tmp" do
-      jruby_launcher_args("").should include("-Djruby.home=/tmp")
+      expect(jruby_launcher_args("")).to include("-Djruby.home=/tmp")
     end
   end
 
@@ -240,23 +241,23 @@
 
     it "should add jruby.jar to the bootclasspath" do
       with_environment "JRUBY_HOME" => jruby_home do
-        jruby_launcher_args("").should include("-Xbootclasspath/a:#{jruby_home}/lib/jruby.jar")
+        expect(jruby_launcher_args("")).to include("-Xbootclasspath/a:#{jruby_home}/lib/jruby.jar")
       end
     end
   end
 
   it "should place user-supplied options after default options" do
     args = jruby_launcher_args("-J-Djruby.home=/tmp")
     home_args = args.select {|x| x =~ /^-Djruby\.home/ }
-    home_args.length.should == 2
-    home_args.last.should == "-Djruby.home=/tmp"
+    expect(home_args.length).to eq 2
+    expect(home_args.last).to eq "-Djruby.home=/tmp"
   end
 
   it "should print the version" do
-    jruby_launcher("-Xversion 2>&1").should =~ /Launcher Version #{JRubyLauncher::VERSION}/
+    expect(jruby_launcher("-Xversion 2>&1")).to match /Launcher Version #{JRubyLauncher::VERSION}/
   end
 
   it "should not crash on format-strings" do
-    jruby_launcher_args("-e %s%s%s%s%s 2>&1").should include('-e', '%s%s%s%s%s')
+    expect(jruby_launcher_args("-e %s%s%s%s%s 2>&1")).to include('-e', '%s%s%s%s%s')
   end
 end

spec/spec_helper.rb

@@ -47,7 +47,7 @@ def windows?
 
   def classpath_arg(args)
     index = args.index("-cp")
-    index.should > 0
+    expect(index).to be > 0
     args[index + 1]
   end
 
@@ -70,6 +70,7 @@ def with_environment(pairs = {})
   config.before(:all) do
     JRubyLauncherHelper.check_executable_built
     # clear environment for better control
+    ENV.delete("JAVACMD")
     ENV.delete("JAVA_HOME")
     ENV.delete("JRUBY_HOME")
     ENV.delete("JAVA_OPTS")