forked from justonia/dynamodb-helpers
/
attributevalue_test.go
184 lines (145 loc) · 4.18 KB
/
attributevalue_test.go
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package dynamodb_test
import (
. "backflip/aws/dynamodb"
"backflip/tools/testutils"
"encoding/json"
"testing"
ck "gopkg.in/check.v1"
)
var TestingT = ck.TestingT
var Equals = ck.Equals
var IsNil = ck.IsNil
var NotNil = ck.NotNil
var Suite = ck.Suite
var DeepEquals = ck.DeepEquals
var HasLen = ck.HasLen
var ErrorMatches = ck.ErrorMatches
var FitsTypeOf = ck.FitsTypeOf
var PanicMatches = ck.PanicMatches
func TestValue(t *testing.T) {
_ = testutils.GetTestFlags()
Suite(&AttributeValueSuite{})
TestingT(t)
}
type AttributeValueSuite struct {
}
func (s *AttributeValueSuite) getValue(c *ck.C, data []byte) *AttributeValue {
v := &AttributeValue{}
err := json.Unmarshal(data, v)
c.Assert(err, IsNil)
return v
}
func (s *AttributeValueSuite) encodeValue(c *ck.C, item interface{}) []byte {
d, err := json.Marshal(item)
c.Assert(err, IsNil)
return d
}
func (s *AttributeValueSuite) TestInvalid(c *ck.C) {
a := &AttributeValue{}
c.Assert(a.Type(), Equals, INVALID_ATTRIBUTEVALUE_TYPE)
c.Assert(a.IsValid(), Equals, false)
}
func (s *AttributeValueSuite) TestNULLValue(c *ck.C) {
data := []byte(`{"NULL":true}`)
v := s.getValue(c, data)
c.Assert(v.IsValid(), Equals, true)
c.Assert(v.BOOL, IsNil)
c.Assert(v.S, IsNil)
c.Assert(v.M, IsNil)
c.Assert(v.L, IsNil)
c.Assert(v.B, IsNil)
c.Assert(v.NULL, NotNil)
c.Assert(*v.NULL, Equals, true)
c.Assert(s.encodeValue(c, v), DeepEquals, data)
}
func (s *AttributeValueSuite) TestBytesValue(c *ck.C) {
data := []byte(`{"B":"aSBhbSB0aGUgdmVyeSBtb2RlbCBvZiBhIG1vZGVybiBtYWpvciBnZW5lcmFs"}`)
v := s.getValue(c, data)
c.Assert(v.IsValid(), Equals, true)
c.Assert(v.BOOL, IsNil)
c.Assert(v.S, IsNil)
c.Assert(v.M, IsNil)
c.Assert(v.L, IsNil)
c.Assert(v.NULL, IsNil)
c.Assert(v.B, NotNil)
c.Assert(string(v.B), Equals, "i am the very model of a modern major general")
c.Assert(s.encodeValue(c, v), DeepEquals, data)
}
func (s *AttributeValueSuite) TestBoolValue(c *ck.C) {
data := []byte(`{"BOOL":true}`)
v := s.getValue(c, data)
c.Assert(v.IsValid(), Equals, true)
c.Assert(v.B, IsNil)
c.Assert(v.S, IsNil)
c.Assert(v.M, IsNil)
c.Assert(v.L, IsNil)
c.Assert(v.NULL, IsNil)
c.Assert(v.BOOL, NotNil)
c.Assert(*v.BOOL, Equals, true)
c.Assert(s.encodeValue(c, v), DeepEquals, data)
}
func (s *AttributeValueSuite) TestStringValue(c *ck.C) {
data := []byte(`{"S":"blah blah blah"}`)
v := s.getValue(c, data)
c.Assert(v.IsValid(), Equals, true)
c.Assert(v.B, IsNil)
c.Assert(v.BOOL, IsNil)
c.Assert(v.L, IsNil)
c.Assert(v.M, IsNil)
c.Assert(v.NULL, IsNil)
c.Assert(v.S, NotNil)
c.Assert(*v.S, Equals, "blah blah blah")
c.Assert(s.encodeValue(c, v), DeepEquals, data)
}
func (s *AttributeValueSuite) TestNumberValue(c *ck.C) {
data := []byte(`{"N":"42.35"}`)
v := s.getValue(c, data)
c.Assert(v.IsValid(), Equals, true)
c.Assert(v.B, IsNil)
c.Assert(v.BOOL, IsNil)
c.Assert(v.L, IsNil)
c.Assert(v.S, IsNil)
c.Assert(v.M, IsNil)
c.Assert(v.NULL, IsNil)
c.Assert(v.N, NotNil)
c.Assert(*v.N, Equals, "42.35")
c.Assert(s.encodeValue(c, v), DeepEquals, data)
}
func (s *AttributeValueSuite) TestMapValue(c *ck.C) {
data := []byte(`{"M":{"foo":{"S":"foo"}}}`)
v := s.getValue(c, data)
c.Assert(v.IsValid(), Equals, true)
c.Assert(v.B, IsNil)
c.Assert(v.BOOL, IsNil)
c.Assert(v.S, IsNil)
c.Assert(v.L, IsNil)
c.Assert(v.NULL, IsNil)
c.Assert(v.M, NotNil)
v2, ok := v.M["foo"]
c.Assert(ok, Equals, true)
c.Assert(v2.S, NotNil)
c.Assert(*v2.S, Equals, "foo")
c.Assert(string(s.encodeValue(c, v)), DeepEquals, string(data))
}
func (s *AttributeValueSuite) TestArrayValue(c *ck.C) {
data := []byte(`{"L":[{"BOOL":true},{"S":"foo"}]}`)
v := s.getValue(c, data)
c.Assert(v.IsValid(), Equals, true)
c.Assert(v.B, IsNil)
c.Assert(v.BOOL, IsNil)
c.Assert(v.S, IsNil)
c.Assert(v.M, IsNil)
c.Assert(v.NULL, IsNil)
c.Assert(v.L, NotNil)
c.Assert(v.L, HasLen, 2)
c.Assert(v.L[0].BOOL, NotNil)
c.Assert(*v.L[0].BOOL, Equals, true)
c.Assert(v.L[1].S, NotNil)
c.Assert(*v.L[1].S, Equals, "foo")
c.Assert(string(s.encodeValue(c, v)), DeepEquals, string(data))
}
func (s *AttributeValueSuite) TestEmptyValue(c *ck.C) {
v := AttributeValue{}
_, err := json.Marshal(&v)
c.Assert(err, ErrorMatches, ".*cannot serialize.*with no values.*")
}