mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-27 13:58:05 +00:00
105 lines
3.5 KiB
Go
105 lines
3.5 KiB
Go
package stackitem
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import (
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"encoding/base64"
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"math/big"
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"testing"
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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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var testBase64 = base64.StdEncoding.EncodeToString([]byte("test"))
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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(`"`+testBase64+`"`, "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,"`+testBase64+`",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":["`+testBase64+`"]}`, 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("InvalidString", getTestDecodeFunc(`"not a base64"`, 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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l := base64.StdEncoding.DecodedLen(MaxSize + 8)
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require.True(t, l < MaxSize) // check if test makes sense
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item := NewByteArray(make([]byte, l))
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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, MaxSize/100))
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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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