293 lines
6.9 KiB
Go
293 lines
6.9 KiB
Go
package compiler
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import (
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
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"github.com/nspcc-dev/neo-go/pkg/internal/testserdes"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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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 TestCodeGen_DebugInfo(t *testing.T) {
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src := `package foo
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func Main(op string) bool {
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var s string
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_ = s
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res := MethodInt(op)
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_ = MethodString()
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_ = MethodByteArray()
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_ = MethodArray()
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_ = MethodStruct()
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_ = MethodConcat("a", "b", "c")
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_ = unexportedMethod()
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return res == 42
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}
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func MethodInt(a string) int {
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if a == "get42" {
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return 42
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}
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return 3
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}
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func MethodConcat(a, b string, c string) string{
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return a + b + c
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}
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func MethodString() string { return "" }
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func MethodByteArray() []byte { return nil }
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func MethodArray() []bool { return nil }
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func MethodStruct() struct{} { return struct{}{} }
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func unexportedMethod() int { return 1 }
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`
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info, err := getBuildInfo(src)
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require.NoError(t, err)
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pkg := info.program.Package(info.initialPackage)
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c := newCodegen(info, pkg)
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require.NoError(t, c.compile(info, pkg))
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buf := c.prog.Bytes()
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d := c.emitDebugInfo(buf)
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require.NotNil(t, d)
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t.Run("hash", func(t *testing.T) {
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require.True(t, hash.Hash160(buf).Equals(d.Hash))
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})
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t.Run("return types", func(t *testing.T) {
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returnTypes := map[string]string{
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"MethodInt": "Integer",
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"MethodConcat": "String",
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"MethodString": "String", "MethodByteArray": "ByteString",
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"MethodArray": "Array", "MethodStruct": "Struct",
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"Main": "Boolean",
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"unexportedMethod": "Integer",
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}
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for i := range d.Methods {
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name := d.Methods[i].Name.Name
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assert.Equal(t, returnTypes[name], d.Methods[i].ReturnType)
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}
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})
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t.Run("variables", func(t *testing.T) {
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vars := map[string][]string{
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"Main": {"s,String", "res,Integer"},
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}
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for i := range d.Methods {
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v, ok := vars[d.Methods[i].Name.Name]
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if ok {
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require.Equal(t, v, d.Methods[i].Variables)
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}
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}
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})
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t.Run("param types", func(t *testing.T) {
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paramTypes := map[string][]DebugParam{
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"MethodInt": {{
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Name: "a",
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Type: "String",
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}},
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"MethodConcat": {
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{
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Name: "a",
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Type: "String",
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},
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{
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Name: "b",
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Type: "String",
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},
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{
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Name: "c",
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Type: "String",
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},
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},
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"Main": {{
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Name: "op",
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Type: "String",
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}},
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}
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for i := range d.Methods {
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v, ok := paramTypes[d.Methods[i].Name.Name]
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if ok {
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require.Equal(t, v, d.Methods[i].Parameters)
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}
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}
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})
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// basic check that last instruction of every method is indeed RET
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for i := range d.Methods {
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index := d.Methods[i].Range.End
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require.True(t, int(index) < len(buf))
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require.EqualValues(t, opcode.RET, buf[index])
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}
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t.Run("convert to Manifest", func(t *testing.T) {
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actual, err := d.ConvertToManifest(smartcontract.HasStorage)
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require.NoError(t, err)
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// note: offsets are hard to predict, so we just take them from the output
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expected := &manifest.Manifest{
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ABI: manifest.ABI{
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Hash: hash.Hash160(buf),
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Methods: []manifest.Method{
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{
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Name: "main",
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Offset: 0,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("op", smartcontract.StringType),
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},
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ReturnType: smartcontract.BoolType,
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},
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{
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Name: "methodInt",
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Offset: 66,
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Parameters: []manifest.Parameter{
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{
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Name: "a",
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Type: smartcontract.StringType,
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},
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},
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ReturnType: smartcontract.IntegerType,
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},
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{
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Name: "methodString",
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Offset: 97,
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Parameters: []manifest.Parameter{},
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ReturnType: smartcontract.StringType,
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},
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{
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Name: "methodByteArray",
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Offset: 103,
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Parameters: []manifest.Parameter{},
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ReturnType: smartcontract.ByteArrayType,
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},
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{
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Name: "methodArray",
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Offset: 108,
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Parameters: []manifest.Parameter{},
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ReturnType: smartcontract.ArrayType,
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},
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{
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Name: "methodStruct",
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Offset: 113,
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Parameters: []manifest.Parameter{},
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ReturnType: smartcontract.ArrayType,
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},
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{
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Name: "methodConcat",
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Offset: 88,
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Parameters: []manifest.Parameter{
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{
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Name: "a",
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Type: smartcontract.StringType,
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},
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{
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Name: "b",
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Type: smartcontract.StringType,
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},
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{
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Name: "c",
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Type: smartcontract.StringType,
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},
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},
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ReturnType: smartcontract.StringType,
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},
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},
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Events: []manifest.Event{},
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},
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Groups: []manifest.Group{},
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Features: smartcontract.HasStorage,
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Permissions: []manifest.Permission{
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{
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Contract: manifest.PermissionDesc{
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Type: manifest.PermissionWildcard,
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},
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Methods: manifest.WildStrings{},
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},
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},
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Trusts: manifest.WildUint160s{
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Value: []util.Uint160{},
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},
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SafeMethods: manifest.WildStrings{
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Value: []string{},
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},
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Extra: nil,
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}
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require.True(t, expected.ABI.Hash.Equals(actual.ABI.Hash))
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require.ElementsMatch(t, expected.ABI.Methods, actual.ABI.Methods)
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require.Equal(t, expected.ABI.Events, actual.ABI.Events)
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require.Equal(t, expected.Groups, actual.Groups)
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require.Equal(t, expected.Features, actual.Features)
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require.Equal(t, expected.Permissions, actual.Permissions)
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require.Equal(t, expected.Trusts, actual.Trusts)
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require.Equal(t, expected.SafeMethods, actual.SafeMethods)
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require.Equal(t, expected.Extra, actual.Extra)
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})
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}
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func TestSequencePoints(t *testing.T) {
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src := `package foo
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func Main(op string) bool {
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if op == "123" {
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return true
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}
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return false
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}`
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info, err := getBuildInfo(src)
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require.NoError(t, err)
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pkg := info.program.Package(info.initialPackage)
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c := newCodegen(info, pkg)
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require.NoError(t, c.compile(info, pkg))
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buf := c.prog.Bytes()
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d := c.emitDebugInfo(buf)
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require.NotNil(t, d)
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// Main func has 2 return on 4-th and 6-th lines.
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ps := d.Methods[0].SeqPoints
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require.Equal(t, 2, len(ps))
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require.Equal(t, 4, ps[0].StartLine)
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require.Equal(t, 6, ps[1].StartLine)
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}
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func TestDebugInfo_MarshalJSON(t *testing.T) {
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d := &DebugInfo{
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Hash: util.Uint160{10, 11, 12, 13},
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Documents: []string{"/path/to/file"},
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Methods: []MethodDebugInfo{
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{
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ID: "id1",
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Name: DebugMethodName{
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Namespace: "default",
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Name: "method1",
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},
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Range: DebugRange{Start: 10, End: 20},
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Parameters: []DebugParam{
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{"param1", "Integer"},
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{"ok", "Boolean"},
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},
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ReturnType: "ByteString",
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Variables: []string{},
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SeqPoints: []DebugSeqPoint{
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{
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Opcode: 123,
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Document: 1,
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StartLine: 2,
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StartCol: 3,
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EndLine: 4,
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EndCol: 5,
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},
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},
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},
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},
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Events: []EventDebugInfo{},
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}
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testserdes.MarshalUnmarshalJSON(t, d, new(DebugInfo))
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}
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