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$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 MyType
def initialize(obj)
@obj = obj
end
def to_s
@obj.to_s
end
end
class TC_DBI_Type < Test::Unit::TestCase
def test_null
# all types except Varchar need to appropriately handle NULL
[
DBI::Type::Null,
DBI::Type::Integer,
DBI::Type::Float,
DBI::Type::Timestamp,
DBI::Type::Boolean
].each do |klass|
assert_equal(nil, klass.parse("NULL"))
assert_equal(nil, klass.parse("null"))
assert_equal(nil, klass.parse("Null"))
end
end
def test_boolean
klass = DBI::Type::Boolean
assert_kind_of(NilClass, klass.parse(nil))
assert_kind_of(NilClass, klass.parse("NULL"))
assert_kind_of(TrueClass, klass.parse('t'))
assert_kind_of(TrueClass, klass.parse(1))
assert_kind_of(TrueClass, klass.parse('1'))
assert_kind_of(FalseClass, klass.parse('f'))
assert_kind_of(FalseClass, klass.parse(0))
assert_kind_of(FalseClass, klass.parse('0'))
end
def test_varchar
klass = DBI::Type::Varchar
assert_kind_of(String, klass.parse("hello"))
assert_kind_of(String, klass.parse("1"))
assert_kind_of(String, klass.parse("1.23"))
assert_equal("NULL", klass.parse("NULL"))
assert_equal("1", klass.parse("1"))
assert_equal("hello", klass.parse("hello"))
assert_equal("1.23", klass.parse("1.23"))
end
def test_integer
klass = DBI::Type::Integer
assert_kind_of(Integer, klass.parse("1.23"))
assert_kind_of(Integer, klass.parse("-1.23"))
assert_kind_of(Integer, klass.parse("1.0"))
assert_kind_of(Integer, klass.parse("1"))
assert_kind_of(Integer, klass.parse("-1"))
assert_kind_of(Integer, klass.parse("0"))
assert_equal(nil, klass.parse("NULL"))
assert_equal(1, klass.parse("1.23"))
assert_equal(-1, klass.parse("-1.23"))
assert_equal(1, klass.parse("1.0"))
assert_equal(1, klass.parse("1"))
assert_equal(-1, klass.parse("-1"))
assert_equal(0, klass.parse("0"))
end
def test_float
klass = DBI::Type::Float
assert_kind_of(Float, klass.parse("1.23"))
assert_kind_of(Float, klass.parse("-1.23"))
assert_kind_of(Float, klass.parse("1.0"))
assert_kind_of(Float, klass.parse("1"))
assert_kind_of(Float, klass.parse("-1"))
assert_kind_of(Float, klass.parse("0"))
assert_equal(nil, klass.parse("NULL"))
assert_equal(1.23, klass.parse("1.23"))
assert_equal(-1.23, klass.parse("-1.23"))
assert_equal(1, klass.parse("1.0"))
assert_equal(1, klass.parse("1"))
assert_equal(-1, klass.parse("-1"))
assert_equal(0, klass.parse("0"))
end
def test_timestamp
klass = DBI::Type::Timestamp
assert_kind_of(DateTime, klass.parse(Time.now))
assert_kind_of(DateTime, klass.parse(Date.today))
assert_kind_of(DateTime, klass.parse(DateTime.now))
assert_kind_of(DateTime, klass.parse(Time.now.to_s))
assert_kind_of(DateTime, klass.parse(Date.today.to_s))
assert_kind_of(DateTime, klass.parse(DateTime.now.to_s))
assert_equal(nil, klass.parse("NULL"))
# string coercion
dt = DateTime.now
assert_equal(dt.to_s, klass.parse(dt).to_s)
t = Time.now
assert_equal(DateTime.parse(t.to_s).to_s, klass.parse(t).to_s)
d = Date.today
assert_equal(DateTime.parse(d.to_s).to_s, klass.parse(d).to_s)
md = "10-11"
if RUBY_VERSION =~ /^1\.9/
md = "11-10"
end
# be sure we're actually getting the right data back
assert_equal(
"2008-#{md}",
klass.parse(Date.parse("10/11/2008")).strftime("%Y-%m-%d")
)
assert_equal(
"10:01:02",
klass.parse(Time.parse("10:01:02")).strftime("%H:%M:%S")
)
assert_equal(
"#{md}-2008 10:01:02",
klass.parse(DateTime.parse("10/11/2008 10:01:02")).strftime("%m-%d-%Y %H:%M:%S")
)
end
end
class TC_DBI_TypeUtil < Test::Unit::TestCase
def cast(obj)
DBI::TypeUtil.convert(nil, obj)
end
def datecast(obj)
"'#{::DateTime.parse(obj.to_s).strftime("%Y-%m-%dT%H:%M:%S")}'"
end
def test_default_unknown_cast
assert_kind_of(String, cast(MyType.new("foo")))
assert_equal("'foo'", cast(MyType.new("foo")))
end
def test_default_numeric_cast
assert_kind_of(String, cast(1))
assert_equal("1", cast(1))
end
def test_default_string_cast
assert_kind_of(String, cast("foo"))
assert_equal("'foo'", cast("foo"))
assert_equal("'foo''bar'", cast("foo'bar"))
end
def test_default_time_casts
assert_kind_of(String, cast(Time.now))
assert_kind_of(String, cast(Date.today))
assert_kind_of(String, cast(DateTime.now))
obj = Time.now
assert_equal(datecast(obj), cast(obj))
obj = Date.today
assert_equal(datecast(obj), cast(obj))
obj = DateTime.now
assert_equal(datecast(obj), cast(obj))
end
def test_default_boolean_casts
assert_kind_of(String, cast(false))
assert_kind_of(String, cast(true))
assert_kind_of(NilClass, cast(nil))
assert_equal("'1'", cast(true))
assert_equal("'0'", cast(false))
assert_equal(nil, cast(nil))
end
def test_default_binary_casts
assert_kind_of(DBI::Binary, cast(DBI::Binary.new("poop")))
obj = DBI::Binary.new("poop")
assert_equal(obj.object_id, cast(obj).object_id)
end
end
DBI::TypeUtil.register_conversion("test") do |obj|
case obj
when ::NilClass
["Custom Nil", false]
when ::TrueClass
["Custom True", false]
when ::FalseClass
["Custom False", false]
else
[obj, true]
end
end
class TC_DBI_TypeUtil_Custom < Test::Unit::TestCase
def cast(obj)
DBI::TypeUtil.convert("test", obj)
end
def test_custom_casts
assert_equal("Custom Nil", cast(nil))
assert_equal("Custom True", cast(true))
assert_equal("Custom False", cast(false))
end
def test_custom_fallthrough
assert_equal("'foo'", cast("foo"))
assert_equal("'foo''bar'", cast("foo'bar"))
assert_equal("1", cast(1))
assert_equal("'foo'", cast(MyType.new("foo")))
end
end
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