mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-27 03:58:06 +00:00
18b331d765
Encode both `Buffer` and `ByteString` to UTF-8 bytes. Follow https://github.com/neo-project/neo/pull/1715 .
235 lines
7.8 KiB
Go
235 lines
7.8 KiB
Go
package stackitem
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import (
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"math/big"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func getTestDecodeFunc(js string, expected ...interface{}) func(t *testing.T) {
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return func(t *testing.T) {
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actual, err := FromJSON([]byte(js))
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if expected[0] == nil {
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require.Error(t, err)
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return
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}
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require.NoError(t, err)
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require.Equal(t, Make(expected[0]), actual)
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if len(expected) == 1 {
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encoded, err := ToJSON(actual)
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require.NoError(t, err)
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require.Equal(t, js, string(encoded))
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}
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}
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}
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func TestFromToJSON(t *testing.T) {
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t.Run("ByteString", func(t *testing.T) {
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t.Run("Empty", getTestDecodeFunc(`""`, []byte{}))
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t.Run("Base64", getTestDecodeFunc(`"test"`, "test"))
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})
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t.Run("BigInteger", func(t *testing.T) {
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t.Run("ZeroFloat", getTestDecodeFunc(`12.000`, 12, nil))
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t.Run("NonZeroFloat", getTestDecodeFunc(`12.01`, nil))
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t.Run("Negative", getTestDecodeFunc(`-4`, -4))
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t.Run("Positive", getTestDecodeFunc(`123`, 123))
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})
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t.Run("Bool", func(t *testing.T) {
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t.Run("True", getTestDecodeFunc(`true`, true))
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t.Run("False", getTestDecodeFunc(`false`, false))
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})
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t.Run("Null", getTestDecodeFunc(`null`, Null{}))
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t.Run("Array", func(t *testing.T) {
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t.Run("Empty", getTestDecodeFunc(`[]`, NewArray([]Item{})))
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t.Run("Simple", getTestDecodeFunc((`[1,"test",true,null]`),
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NewArray([]Item{NewBigInteger(big.NewInt(1)), NewByteArray([]byte("test")), NewBool(true), Null{}})))
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t.Run("Nested", getTestDecodeFunc(`[[],[{},null]]`,
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NewArray([]Item{NewArray([]Item{}), NewArray([]Item{NewMap(), Null{}})})))
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})
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t.Run("Map", func(t *testing.T) {
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small := NewMap()
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small.Add(NewByteArray([]byte("a")), NewBigInteger(big.NewInt(3)))
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large := NewMap()
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large.Add(NewByteArray([]byte("3")), small)
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large.Add(NewByteArray([]byte("arr")), NewArray([]Item{NewByteArray([]byte("test"))}))
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t.Run("Empty", getTestDecodeFunc(`{}`, NewMap()))
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t.Run("Small", getTestDecodeFunc(`{"a":3}`, small))
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t.Run("Big", getTestDecodeFunc(`{"3":{"a":3},"arr":["test"]}`, large))
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})
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t.Run("Invalid", func(t *testing.T) {
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t.Run("Empty", getTestDecodeFunc(``, nil))
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t.Run("InvalidArray", getTestDecodeFunc(`[}`, nil))
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t.Run("InvalidMap", getTestDecodeFunc(`{]`, nil))
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t.Run("InvalidMapValue", getTestDecodeFunc(`{"a":{]}`, nil))
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t.Run("AfterArray", getTestDecodeFunc(`[]XX`, nil))
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t.Run("EncodeBigInteger", func(t *testing.T) {
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item := NewBigInteger(big.NewInt(MaxAllowedInteger + 1))
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_, err := ToJSON(item)
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require.Error(t, err)
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})
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t.Run("EncodeInvalidItemType", func(t *testing.T) {
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item := NewPointer(1, []byte{1, 2, 3})
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_, err := ToJSON(item)
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require.Error(t, err)
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})
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t.Run("BigByteArray", func(t *testing.T) {
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item := NewByteArray(make([]byte, MaxSize))
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_, err := ToJSON(item)
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require.Error(t, err)
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})
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t.Run("BigNestedArray", getTestDecodeFunc(`[[[[[[[[[[[]]]]]]]]]]]`, nil))
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t.Run("EncodeRecursive", func(t *testing.T) {
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// add this item to speed up test a bit
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item := NewByteArray(make([]byte, MaxKeySize))
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t.Run("Array", func(t *testing.T) {
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arr := NewArray([]Item{item})
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arr.Append(arr)
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_, err := ToJSON(arr)
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require.Error(t, err)
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})
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t.Run("Map", func(t *testing.T) {
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m := NewMap()
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m.Add(item, m)
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_, err := ToJSON(m)
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require.Error(t, err)
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})
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})
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})
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}
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// This test is taken from the C# code
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// https://github.com/neo-project/neo/blob/master/tests/neo.UnitTests/VM/UT_Helper.cs#L30
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func TestToJSONWithTypeCompat(t *testing.T) {
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items := []Item{
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Make(5), Make("hello world"),
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Make([]byte{1, 2, 3}), Make(true),
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}
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// Note: we use `Equal` and not `JSONEq` because there are no spaces and maps so the order is well-defined.
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s, err := ToJSONWithTypes(items[0])
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assert.NoError(t, err)
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assert.Equal(t, `{"type":"Integer","value":"5"}`, string(s))
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s, err = ToJSONWithTypes(items[1])
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assert.NoError(t, err)
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assert.Equal(t, `{"type":"ByteString","value":"aGVsbG8gd29ybGQ="}`, string(s))
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s, err = ToJSONWithTypes(items[2])
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assert.NoError(t, err)
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assert.Equal(t, `{"type":"ByteString","value":"AQID"}`, string(s))
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s, err = ToJSONWithTypes(items[3])
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assert.NoError(t, err)
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assert.Equal(t, `{"type":"Boolean","value":true}`, string(s))
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s, err = ToJSONWithTypes(NewArray(items))
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assert.NoError(t, err)
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assert.Equal(t, `{"type":"Array","value":[{"type":"Integer","value":"5"},{"type":"ByteString","value":"aGVsbG8gd29ybGQ="},{"type":"ByteString","value":"AQID"},{"type":"Boolean","value":true}]}`, string(s))
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item := NewMap()
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item.Add(Make(1), NewPointer(0, []byte{0}))
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s, err = ToJSONWithTypes(item)
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assert.NoError(t, err)
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assert.Equal(t, `{"type":"Map","value":[{"key":{"type":"Integer","value":"1"},"value":{"type":"Pointer","value":0}}]}`, string(s))
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}
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func TestToJSONWithTypes(t *testing.T) {
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testCases := []struct {
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name string
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item Item
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result string
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}{
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{"Null", Null{}, `{"type":"Any"}`},
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{"Integer", NewBigInteger(big.NewInt(42)), `{"type":"Integer","value":"42"}`},
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{"ByteString", NewByteArray([]byte{1, 2, 3}), `{"type":"ByteString","value":"AQID"}`},
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{"Buffer", NewBuffer([]byte{1, 2, 3}), `{"type":"Buffer","value":"AQID"}`},
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{"BoolTrue", NewBool(true), `{"type":"Boolean","value":true}`},
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{"BoolFalse", NewBool(false), `{"type":"Boolean","value":false}`},
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{"Struct", NewStruct([]Item{Make(11)}),
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`{"type":"Struct","value":[{"type":"Integer","value":"11"}]}`},
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{"Map", NewMapWithValue([]MapElement{{Key: NewBigInteger(big.NewInt(42)), Value: NewBool(false)}}),
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`{"type":"Map","value":[{"key":{"type":"Integer","value":"42"},` +
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`"value":{"type":"Boolean","value":false}}]}`},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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s, err := ToJSONWithTypes(tc.item)
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require.NoError(t, err)
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require.Equal(t, tc.result, string(s))
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item, err := FromJSONWithTypes(s)
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require.NoError(t, err)
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require.Equal(t, tc.item, item)
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})
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}
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t.Run("Invalid", func(t *testing.T) {
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t.Run("RecursiveArray", func(t *testing.T) {
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arr := NewArray(nil)
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arr.value = []Item{Make(5), arr, Make(true)}
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_, err := ToJSONWithTypes(arr)
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require.Error(t, err)
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})
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t.Run("RecursiveMap", func(t *testing.T) {
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m := NewMap()
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m.Add(Make(3), Make(true))
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m.Add(Make(5), m)
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_, err := ToJSONWithTypes(m)
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require.Error(t, err)
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})
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})
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}
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func TestFromJSONWithTypes(t *testing.T) {
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testCases := []struct {
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name string
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json string
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item Item
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}{
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{"Pointer", `{"type":"Pointer","value":3}`, NewPointer(3, nil)},
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{"Interop", `{"type":"Interop"}`, NewInterop(nil)},
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{"Null", `{"type":"Any"}`, Null{}},
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{"Array", `{"type":"Array","value":[{"type":"Any"}]}`, NewArray([]Item{Null{}})},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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item, err := FromJSONWithTypes([]byte(tc.json))
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require.NoError(t, err)
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require.Equal(t, tc.item, item)
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})
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}
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t.Run("Invalid", func(t *testing.T) {
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errCases := []struct {
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name string
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json string
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}{
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{"InvalidType", `{"type":int,"value":"4"`},
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{"UnexpectedType", `{"type":"int","value":"4"}`},
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{"IntegerValue1", `{"type":"Integer","value": 4}`},
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{"IntegerValue2", `{"type":"Integer","value": "a"}`},
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{"BoolValue", `{"type":"Boolean","value": "str"}`},
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{"PointerValue", `{"type":"Pointer","value": "str"}`},
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{"BufferValue1", `{"type":"Buffer","value":"not a base 64"}`},
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{"BufferValue2", `{"type":"Buffer","value":123}`},
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{"ArrayValue", `{"type":"Array","value":3}`},
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{"ArrayElement", `{"type":"Array","value":[3]}`},
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{"MapValue", `{"type":"Map","value":3}`},
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{"MapElement", `{"type":"Map","value":[{"key":"value"}]}`},
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{"MapElementKeyNotPrimitive", `{"type":"Map","value":[{"key":{"type":"Any"}}]}`},
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{"MapElementValue", `{"type":"Map","value":[` +
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`{"key":{"type":"Integer","value":"3"},"value":3}]}`},
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}
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for _, tc := range errCases {
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t.Run(tc.name, func(t *testing.T) {
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_, err := FromJSONWithTypes([]byte(tc.json))
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require.Error(t, err)
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})
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}
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})
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}
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