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|
package xml
import (
"bytes"
"fmt"
"math"
"math/big"
"strconv"
"testing"
)
var (
oneInt = new(big.Int).SetInt64(1)
oneFloat = new(big.Float).SetFloat64(1.0)
)
func TestValue(t *testing.T) {
nested := StartElement{Name: Name{Local: "nested"}}
cases := map[string]struct {
setter func(Value)
expected string
}{
"string value": {
setter: func(value Value) {
value.String("foo")
},
expected: `foo`,
},
"string escaped": {
setter: func(value Value) {
value.String("{\"foo\":\"bar\"}")
},
expected: fmt.Sprintf("{%sfoo%s:%sbar%s}", escQuot, escQuot, escQuot, escQuot),
},
"integer": {
setter: func(value Value) {
value.Long(1024)
},
expected: `1024`,
},
"float": {
setter: func(value Value) {
value.Double(1e20)
},
expected: `100000000000000000000`,
},
"float exponent component": {
setter: func(value Value) {
value.Double(3e22)
},
expected: `3e+22`,
},
"boolean true": {
setter: func(value Value) {
value.Boolean(true)
},
expected: `true`,
},
"boolean false": {
setter: func(value Value) {
value.Boolean(false)
},
expected: `false`,
},
"encode bytes": {
setter: func(value Value) {
value.Base64EncodeBytes([]byte("foo bar"))
},
expected: `Zm9vIGJhcg==`,
},
"encode bytes nil": {
setter: func(value Value) {
value.Base64EncodeBytes(nil)
},
expected: ``,
},
"object": {
setter: func(value Value) {
defer value.Close()
value.MemberElement(nested).String("value")
},
expected: `<nested>value</nested>`,
},
"null": {
setter: func(value Value) {
value.Close()
},
expected: ``,
},
"nullWithRoot": {
setter: func(value Value) {
defer value.Close()
o := value.MemberElement(nested)
defer o.Close()
},
expected: `<nested></nested>`,
},
"write text": {
setter: func(value Value) {
defer value.Close()
o := value.MemberElement(nested)
o.Write([]byte(`{"nested":"value"}`), false)
},
expected: `<nested>{"nested":"value"}</nested>`,
},
"write escaped text": {
setter: func(value Value) {
defer value.Close()
o := value.MemberElement(nested)
o.Write([]byte(`{"nested":"value"}`), true)
},
expected: fmt.Sprintf("<nested>{%snested%s:%svalue%s}</nested>", escQuot, escQuot, escQuot, escQuot),
},
"bigInteger": {
setter: func(value Value) {
v := new(big.Int).SetInt64(math.MaxInt64)
value.BigInteger(v.Sub(v, oneInt))
},
expected: strconv.FormatInt(math.MaxInt64-1, 10),
},
"bigInteger > int64": {
setter: func(value Value) {
v := new(big.Int).SetInt64(math.MaxInt64)
value.BigInteger(v.Add(v, oneInt))
},
expected: "9223372036854775808",
},
"bigInteger < int64": {
setter: func(value Value) {
v := new(big.Int).SetInt64(math.MinInt64)
value.BigInteger(v.Sub(v, oneInt))
},
expected: "-9223372036854775809",
},
"bigFloat": {
setter: func(value Value) {
v := new(big.Float).SetFloat64(math.MaxFloat64)
value.BigDecimal(v.Sub(v, oneFloat))
},
expected: strconv.FormatFloat(math.MaxFloat64-1, 'e', -1, 64),
},
"bigFloat fits in int64": {
setter: func(value Value) {
v := new(big.Float).SetInt64(math.MaxInt64)
value.BigDecimal(v)
},
expected: "9223372036854775807",
},
}
scratch := make([]byte, 64)
for name, tt := range cases {
t.Run(name, func(t *testing.T) {
b := bytes.NewBuffer(nil)
root := StartElement{Name: Name{Local: "root"}}
value := newValue(b, &scratch, root)
tt.setter(value)
if e, a := []byte("<root>"+tt.expected+"</root>"), b.Bytes(); bytes.Compare(e, a) != 0 {
t.Errorf("expected %+q, but got %+q", e, a)
}
})
}
}
func TestWrappedValue(t *testing.T) {
buffer := bytes.NewBuffer(nil)
scratch := make([]byte, 64)
func() {
root := StartElement{Name: Name{Local: "root"}}
object := newValue(buffer, &scratch, root)
defer object.Close()
foo := StartElement{Name: Name{Local: "foo"}}
faz := StartElement{Name: Name{Local: "faz"}}
object.MemberElement(foo).String("bar")
object.MemberElement(faz).String("baz")
}()
e := []byte(`<root><foo>bar</foo><faz>baz</faz></root>`)
if a := buffer.Bytes(); bytes.Compare(e, a) != 0 {
t.Errorf("expected %+q, but got %+q", e, a)
}
}
func TestWrappedValueWithNameSpaceAndAttributes(t *testing.T) {
buffer := bytes.NewBuffer(nil)
scratch := make([]byte, 64)
func() {
root := StartElement{Name: Name{Local: "root"}}
object := newValue(buffer, &scratch, root)
defer object.Close()
foo := StartElement{Name: Name{Local: "foo"}, Attr: []Attr{
NewNamespaceAttribute("newspace", "https://endpoint.com"),
NewAttribute("attrName", "attrValue"),
}}
faz := StartElement{Name: Name{Local: "faz"}}
object.MemberElement(foo).String("bar")
object.MemberElement(faz).String("baz")
}()
e := []byte(`<root><foo xmlns:newspace="https://endpoint.com" attrName="attrValue">bar</foo><faz>baz</faz></root>`)
if a := buffer.Bytes(); bytes.Compare(e, a) != 0 {
t.Errorf("expected %+q, but got %+q", e, a)
}
}
|
