Fresh start

1 files changed, 60 insertions, 0 deletions

diff --git a/jni/ruby/test/test_tracer.rb b/jni/ruby/test/test_tracer.rb
new file mode 100644
index 0000000..ff3ba87
--- /dev/null
+++ b/jni/ruby/test/test_tracer.rb
@@ -0,0 +1,60 @@
+require 'test/unit'
+require 'tmpdir'
+
+class TestTracer < Test::Unit::TestCase
+  include EnvUtil
+
+  def test_tracer_with_option_r
+    assert_in_out_err(%w[-rtracer -e 1]) do |(*lines),|
+      case lines.size
+      when 1
+        # do nothing
+      else
+        assert_match(%r{rubygems/core_ext/kernel_require\.rb:\d+:Kernel:<:}, lines[0])
+      end
+      assert_equal "#0:-e:1::-: 1", lines.last
+    end
+  end
+
+  def test_tracer_with_option_r_without_gems
+    assert_in_out_err(%w[--disable-gems -rtracer -e 1]) do |(*lines),|
+      case lines.size
+      when 1
+        # do nothing
+      else
+        flunk "unexpected output from `ruby --disable-gems -rtracer -e 1`"
+      end
+      assert_equal "#0:-e:1::-: 1", lines.last
+    end
+  end
+
+  def test_tracer_with_require
+    Dir.mktmpdir("test_ruby_tracer") do |dir|
+      script = File.join(dir, "require_tracer.rb")
+      open(script, "w") do |f|
+        f.print <<-EOF
+require 'tracer'
+1
+        EOF
+      end
+      assert_in_out_err([script]) do |(*lines),|
+        assert_empty(lines)
+      end
+    end
+  end
+
+  def test_tracer_with_require_without_gems
+    Dir.mktmpdir("test_ruby_tracer") do |dir|
+      script = File.join(dir, "require_tracer.rb")
+      open(script, "w") do |f|
+        f.print <<-EOF
+require 'tracer'
+1
+        EOF
+      end
+      assert_in_out_err(["--disable-gems", script]) do |(*lines),|
+        assert_empty(lines)
+      end
+    end
+  end
+end