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Current File : /home/rs/ruby/1.8/lib/ruby/gems/1.8/gems/dbi-0.4.5/test/dbi/tc_dbi.rb

######################################################################
# tc_dbi.rb
#
# Test case for the DBI module (dbi.rb).
######################################################################
$LOAD_PATH.unshift(Dir.pwd)
$LOAD_PATH.unshift(File.dirname(Dir.pwd))
$LOAD_PATH.unshift("../../lib")
$LOAD_PATH.unshift("../../lib/dbi")
$LOAD_PATH.unshift("lib")

require 'dbi'
require 'test/unit'

class TC_DBI < Test::Unit::TestCase
    def setup
        @db_error  = DBI::DatabaseError.new("test", 1, "montana")
        @db_binary = DBI::Binary.new("test")
        @url_basic = 'dbi:foo:bar'
        @url_inter = 'dbi:foo:bar:host'
        @url_advan = 'dbi:foo:database=db;host=xx;port=99'
    end

    def test_dbi_version
        assert_equal("0.4.5", DBI::VERSION)
    end

    def test_dbd_module
        assert_equal("0.3", DBI::DBD::API_VERSION)
    end

    def test_fetch_scroll_constants
        assert_equal(1, DBI::SQL_FETCH_NEXT)
        assert_equal(2, DBI::SQL_FETCH_PRIOR)
        assert_equal(3, DBI::SQL_FETCH_FIRST)
        assert_equal(4, DBI::SQL_FETCH_LAST)
        assert_equal(5, DBI::SQL_FETCH_ABSOLUTE)
        assert_equal(6, DBI::SQL_FETCH_RELATIVE)
    end

    def test_sql_type_constants
        assert_equal(1, DBI::SQL_CHAR)
        assert_equal(2, DBI::SQL_NUMERIC)
        assert_equal(3, DBI::SQL_DECIMAL)
        assert_equal(4, DBI::SQL_INTEGER)
        assert_equal(5, DBI::SQL_SMALLINT)
        assert_equal(6, DBI::SQL_FLOAT)
        assert_equal(7, DBI::SQL_REAL)
        assert_equal(8, DBI::SQL_DOUBLE)
        assert_equal(9, DBI::SQL_DATE)
        assert_equal(10, DBI::SQL_TIME)
        assert_equal(11, DBI::SQL_TIMESTAMP)
        assert_equal(12, DBI::SQL_VARCHAR)
        assert_equal(100, DBI::SQL_OTHER)
        assert_equal(-1, DBI::SQL_LONGVARCHAR)
        assert_equal(-2, DBI::SQL_BINARY)
        assert_equal(-3, DBI::SQL_VARBINARY)
        assert_equal(-4, DBI::SQL_LONGVARBINARY)
        assert_equal(-5, DBI::SQL_BIGINT)
        assert_equal(-6, DBI::SQL_TINYINT)
        assert_equal(-7, DBI::SQL_BIT)
        assert_equal(-10, DBI::SQL_BLOB)
        assert_equal(-11, DBI::SQL_CLOB)
    end

    def test_sql_type_names
        assert_equal('BIT', DBI::SQL_TYPE_NAMES[DBI::SQL_BIT])
        assert_equal('TINYINT', DBI::SQL_TYPE_NAMES[DBI::SQL_TINYINT])
        assert_equal('SMALLINT', DBI::SQL_TYPE_NAMES[DBI::SQL_SMALLINT])
        assert_equal('INTEGER', DBI::SQL_TYPE_NAMES[DBI::SQL_INTEGER])
        assert_equal('BIGINT', DBI::SQL_TYPE_NAMES[DBI::SQL_BIGINT])
        assert_equal('FLOAT', DBI::SQL_TYPE_NAMES[DBI::SQL_FLOAT])
        assert_equal('REAL', DBI::SQL_TYPE_NAMES[DBI::SQL_REAL])
        assert_equal('DOUBLE', DBI::SQL_TYPE_NAMES[DBI::SQL_DOUBLE])
        assert_equal('NUMERIC', DBI::SQL_TYPE_NAMES[DBI::SQL_NUMERIC])
        assert_equal('DECIMAL', DBI::SQL_TYPE_NAMES[DBI::SQL_DECIMAL])
        assert_equal('CHAR', DBI::SQL_TYPE_NAMES[DBI::SQL_CHAR])
        assert_equal('VARCHAR', DBI::SQL_TYPE_NAMES[DBI::SQL_VARCHAR])
        assert_equal('LONG VARCHAR', DBI::SQL_TYPE_NAMES[DBI::SQL_LONGVARCHAR])
        assert_equal('DATE', DBI::SQL_TYPE_NAMES[DBI::SQL_DATE])
        assert_equal('TIME', DBI::SQL_TYPE_NAMES[DBI::SQL_TIME])
        assert_equal('TIMESTAMP', DBI::SQL_TYPE_NAMES[DBI::SQL_TIMESTAMP])
        assert_equal('BINARY', DBI::SQL_TYPE_NAMES[DBI::SQL_BINARY])
        assert_equal('VARBINARY', DBI::SQL_TYPE_NAMES[DBI::SQL_VARBINARY])
        assert_equal('LONG VARBINARY',
                     DBI::SQL_TYPE_NAMES[DBI::SQL_LONGVARBINARY])
        assert_equal('BLOB', DBI::SQL_TYPE_NAMES[DBI::SQL_BLOB])
        assert_equal('CLOB', DBI::SQL_TYPE_NAMES[DBI::SQL_CLOB])
        assert_equal(nil, DBI::SQL_TYPE_NAMES[DBI::SQL_OTHER])
    end

    def test_dbi_exception_classes
        assert(DBI::Error)
        assert(DBI::Warning)
        assert(DBI::InterfaceError)
        assert(DBI::NotImplementedError)
        assert(DBI::DatabaseError)
        assert(DBI::DataError)
        assert(DBI::OperationalError)
        assert(DBI::IntegrityError)
        assert(DBI::InternalError)
        assert(DBI::ProgrammingError)
        assert(DBI::NotSupportedError)
    end

   # This error class gets extra testing since it defines some custom
   # accessors.
   def test_dbi_database_error
       assert_respond_to(@db_error, :errstr)
       assert_respond_to(@db_error, :err)
       assert_respond_to(@db_error, :state)
       assert_equal("test", @db_error.errstr)
       assert_equal(1, @db_error.err)
       assert_equal("montana", @db_error.state)
   end

   def test_binary_datatype
       assert_respond_to(@db_binary, :data)
       assert_respond_to(@db_binary, :to_s)
       assert_equal("test", @db_binary.data)
       assert_equal("test", @db_binary.to_s)
   end

   def test_misc_constants
       assert_equal(2, DBI::DEFAULT_TRACE_MODE)
       assert_equal(STDERR, DBI::DEFAULT_TRACE_OUTPUT)
   end

   def test_last_connection
       assert_respond_to(DBI, :last_connection)
   end

   def test_convert_types
       assert_respond_to(DBI, :convert_types)
       assert_respond_to(DBI, :convert_types=)
   end

   def test_connect
       assert_respond_to(DBI, :connect)
   end

   def test_available_drivers
       assert_respond_to(DBI, :available_drivers)
       assert_equal(
       [
            "dbi:Mysql:",
            "dbi:ODBC:",
            "dbi:Pg:",
            "dbi:SQLite3:",
            "dbi:SQLite:"
       ], DBI.available_drivers.sort)
   end

   # PRIVATE METHODS
   def test_parse_url
      assert_nothing_raised{ DBI.send(:parse_url, "dbi:foo:bar") }
      assert_equal(["foo","bar"], DBI.send(:parse_url, @url_basic))
      assert_equal(["foo","bar:host"], DBI.send(:parse_url, @url_inter))
      assert_equal(["foo","database=db;host=xx;port=99"],
         DBI.send(:parse_url, @url_advan)
      )
   end

   def test_parse_url_expected_errors
      assert_raises(DBI::InterfaceError){ DBI.send(:parse_url, 'dbi') }
      assert_raises(DBI::InterfaceError){ DBI.send(:parse_url, 'dbi::foo') }

      # XXX we're looking for a specific exception message here
      assert_nothing_raised do
          begin
              DBI.send(:parse_url, 'dbi:blah')
          rescue DBI::InterfaceError => e
              assert true
              assert_kind_of DBI::InterfaceError, e
              assert_equal "Invalid Data Source Name", e.message
          end
      end
   end

   def teardown
      @db_error  = nil
      @db_binary = nil
   end
end

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