convert to test/unit

Author: Jerry Cheung

test/ber/core_ext/test_string.rb

@@ -1,51 +1,25 @@
-require 'spec_helper'
-require 'metaid'
+require 'common'
 
-describe String, "when extended with BER core extensions" do
-  describe "<- #read_ber! (consuming read_ber method)" do
-    context "when passed an ldap bind request and some extra data" do
-      attr_reader :str, :result
-      before(:each) do
-        @str = raw_string("0$\002\001\001`\037\002\001\003\004\rAdministrator\200\vad_is_bogus UNCONSUMED")
-        @result = str.read_ber!(Net::LDAP::AsnSyntax)
-      end
-
-      it "should correctly parse the ber message" do
-        result.should == [1, [3, "Administrator", "ad_is_bogus"]]
-      end
-      it "should leave unconsumed part of message in place" do
-        str.should == " UNCONSUMED"
-      end
-
-      context "if an exception occurs during #read_ber" do
-        attr_reader :initial_value
-        before(:each) do
-          stub_exception_class = Class.new(StandardError)
+class TestBERStringExtension < Test::Unit::TestCase
+  def setup
+    @bind_request = "0$\002\001\001`\037\002\001\003\004\rAdministrator\200\vad_is_bogus UNCONSUMED".b
+    @result = @bind_request.read_ber!(Net::LDAP::AsnSyntax)
+  end
 
-          @initial_value = raw_string("0$\002\001\001`\037\002\001\003\004\rAdministrator\200\vad_is_bogus")
-          @str = initial_value.dup
+  def test_parse_ber
+    assert_equal [1, [3, "Administrator", "ad_is_bogus"]], @result
+  end
 
-          # Defines a string
-          io = StringIO.new(initial_value)
-          io.meta_def :read_ber do |syntax|
-            read
-            raise stub_exception_class
-          end
-          flexmock(StringIO).should_receive(:new).and_return(io)
+  def test_unconsumed_message
+    assert_equal " UNCONSUMED", @bind_request
+  end
 
-          begin
-            str.read_ber!(Net::LDAP::AsnSyntax)
-          rescue stub_exception_class
-            # EMPTY ON PURPOSE
-          else
-            raise "The stub code should raise an exception!"
-          end
-        end
+  def test_exception_does_not_modify_string
+    original = "0$\002\001\001`\037\002\001\003\004\rAdministrator\200\vad_is_bogus".b
+    duplicate = original.dup
+    flexmock(StringIO).any_instance.should_receive(:read_ber).and_raise(Net::BER::BerError)
+    duplicate.read_ber!(Net::LDAP::AsnSyntax) rescue Net::BER::BerError
 
-        it "should not modify string" do
-          str.should == initial_value
-        end
-      end
-    end
+    assert_equal original, duplicate
   end
 end