1 files changed, 143 insertions, 0 deletions
diff --git a/test/unit/test_stream_input.rb b/test/unit/test_stream_input.rb
new file mode 100644
index 0000000..20e048d
--- /dev/null
+++ b/test/unit/test_stream_input.rb
@@ -0,0 +1,143 @@
+# -*- encoding: binary -*-
+
+require 'test/unit'
+require 'digest/sha1'
+require 'unicorn'
+
+class TestStreamInput < Test::Unit::TestCase
+  def setup
+    @rs = $/
+    @env = {}
+    @rd, @wr = Kgio::UNIXSocket.pair
+    @rd.sync = @wr.sync = true
+    @start_pid = $$
+  end
+
+  def teardown
+    return if $$ != @start_pid
+    $/ = @rs
+    @rd.close rescue nil
+    @wr.close rescue nil
+    Process.waitall
+  end
+
+  def test_read_small
+    r = init_request('hello')
+    si = Unicorn::StreamInput.new(@rd, r)
+    assert_equal 'hello', si.read
+    assert_equal '', si.read
+    assert_nil si.read(5)
+    assert_nil si.gets
+  end
+
+  def test_gets_oneliner
+    r = init_request('hello')
+    si = Unicorn::StreamInput.new(@rd, r)
+    assert_equal 'hello', si.gets
+    assert_nil si.gets
+  end
+
+  def test_gets_multiline
+    r = init_request("a\nb\n\n")
+    si = Unicorn::StreamInput.new(@rd, r)
+    assert_equal "a\n", si.gets
+    assert_equal "b\n", si.gets
+    assert_equal "\n", si.gets
+    assert_nil si.gets
+  end
+
+  def test_gets_empty_rs
+    $/ = nil
+    r = init_request("a\nb\n\n")
+    si = Unicorn::StreamInput.new(@rd, r)
+    assert_equal "a\nb\n\n", si.gets
+    assert_nil si.gets
+  end
+
+  def test_read_with_equal_len
+    r = init_request("abcde")
+    si = Unicorn::StreamInput.new(@rd, r)
+    assert_equal "abcde", si.read(5)
+    assert_nil si.read(5)
+  end
+
+  def test_big_body_multi
+    r = init_request('.', Unicorn::Const::MAX_BODY + 1)
+    si = Unicorn::StreamInput.new(@rd, r)
+    assert_equal Unicorn::Const::MAX_BODY, @parser.content_length
+    assert ! @parser.body_eof?
+    nr = Unicorn::Const::MAX_BODY / 4
+    pid = fork {
+      @rd.close
+      nr.times { @wr.write('....') }
+      @wr.close
+    }
+    @wr.close
+    assert_equal '.', si.read(1)
+    nr.times { |x|
+      assert_equal '....', si.read(4), "nr=#{x}"
+    }
+    assert_nil si.read(1)
+    status = nil
+    assert_nothing_raised { pid, status = Process.waitpid2(pid) }
+    assert status.success?
+  end
+
+  def test_gets_long
+    r = init_request("hello", 5 + (4096 * 4 * 3) + "#$/foo#$/".size)
+    si = Unicorn::StreamInput.new(@rd, r)
+    status = line = nil
+    pid = fork {
+      @rd.close
+      3.times { @wr.write("ffff" * 4096) }
+      @wr.write "#$/foo#$/"
+      @wr.close
+    }
+    @wr.close
+    assert_nothing_raised { line = si.gets }
+    assert_equal(4096 * 4 * 3 + 5 + $/.size, line.size)
+    assert_equal("hello" << ("ffff" * 4096 * 3) << "#$/", line)
+    assert_nothing_raised { line = si.gets }
+    assert_equal "foo#$/", line
+    assert_nil si.gets
+    assert_nothing_raised { pid, status = Process.waitpid2(pid) }
+    assert status.success?
+  end
+
+  def test_read_with_buffer
+    r = init_request('hello')
+    si = Unicorn::StreamInput.new(@rd, r)
+    buf = ''
+    rv = si.read(4, buf)
+    assert_equal 'hell', rv
+    assert_equal 'hell', buf
+    assert_equal rv.object_id, buf.object_id
+    assert_equal 'o', si.read
+    assert_equal nil, si.read(5, buf)
+  end
+
+  def test_read_with_buffer_clobbers
+    r = init_request('hello')
+    si = Unicorn::StreamInput.new(@rd, r)
+    buf = 'foo'
+    assert_equal 'hello', si.read(nil, buf)
+    assert_equal 'hello', buf
+    assert_equal '', si.read(nil, buf)
+    assert_equal '', buf
+    buf = 'asdf'
+    assert_nil si.read(5, buf)
+    assert_equal '', buf
+  end
+
+  def init_request(body, size = nil)
+    @parser = Unicorn::HttpParser.new
+    body = body.to_s.freeze
+    @buf = "POST / HTTP/1.1\r\n" \
+           "Host: localhost\r\n" \
+           "Content-Length: #{size || body.size}\r\n" \
+           "\r\n#{body}"
+    assert_equal @env, @parser.headers(@env, @buf)
+    assert_equal body, @buf
+    @parser
+  end
+end