118 lines
3.5 KiB
Go
118 lines
3.5 KiB
Go
package contract
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import (
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"errors"
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"math/rand"
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"path"
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"testing"
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"git.frostfs.info/TrueCloudLab/contract-coverage-primer/covertest"
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"github.com/davecgh/go-spew/spew"
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"github.com/nspcc-dev/neo-go/pkg/compiler"
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"github.com/nspcc-dev/neo-go/pkg/neotest"
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"github.com/nspcc-dev/neo-go/pkg/neotest/chain"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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"github.com/stretchr/testify/require"
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)
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const ctrPath = "../impulse"
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// keys for tests
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var (
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validKey = []byte{1, 2, 3, 4, 5}
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invalidKey = []byte{1, 2, 3}
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)
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func newExecutor(t *testing.T) *neotest.Executor {
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bc, acc := chain.NewSingle(t)
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return neotest.NewExecutor(t, bc, acc, acc)
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}
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func TestContract(t *testing.T) {
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e := newExecutor(t)
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ctrDI := covertest.CompileFile(t, e.CommitteeHash, ctrPath, path.Join(ctrPath, "config.yml"))
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ctr := ctrDI.Contract
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e.DeployContract(t, ctr, nil)
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inv := e.CommitteeInvoker(ctr.Hash)
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// test get without put
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inv.InvokeFail(t, "Cannot get number", "getNumber", validKey)
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// test put-get with valid key
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inv.Invoke(t, stackitem.Null{}, "putNumber", validKey, 42)
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inv.Invoke(t, 42, "getNumber", validKey)
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// test invalid key
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inv.InvokeFail(t, "Invalid key size", "putNumber", invalidKey, 42)
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inv.InvokeFail(t, "Invalid key size", "getNumber", invalidKey)
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}
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func TestRun(t *testing.T) {
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e := newExecutor(t)
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ctrDI := covertest.CompileFile(t, e.CommitteeHash, ctrPath, path.Join(ctrPath, "config.yml"))
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e.DeployContract(t, ctrDI.Contract, nil)
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startOffsetPutNumber, err := getStartOffset(ctrDI.DebugInfo, "PutNumber")
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require.NoError(t, err)
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hasResult, err := hasResult(ctrDI.DebugInfo, "PutNumber")
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require.NoError(t, err)
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someNum := getNumToPut()
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// set up a VM for covertest.Run()
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covertestRunVM := setUpVMForPut(t, e, ctrDI.Contract, hasResult, startOffsetPutNumber, someNum, invalidKey)
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res, covErr := covertest.Run(covertestRunVM)
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t.Log("Printing collected instructions:")
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spew.Dump(res)
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t.Log("covertest.Run() returned an error: ", covErr)
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// set up a VM for vm.Run()
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origRunVM := setUpVMForPut(t, e, ctrDI.Contract, hasResult, startOffsetPutNumber, someNum, invalidKey)
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runerr := origRunVM.Run()
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t.Log("vm.Run() returned an error: ", covErr)
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// check if errors are the same
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require.Equal(t, runerr.Error(), covErr.Error())
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// check if the number of elements on the stack is the same
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require.Equal(t, origRunVM.Estack().Len(), covertestRunVM.Estack().Len())
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}
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func setUpVMForPut(t *testing.T, e *neotest.Executor, contract *neotest.Contract, hasResult bool, methodOff int, num int, key []byte) (v *vm.VM) {
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ic, err := e.Chain.GetTestVM(trigger.Application, nil, nil)
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require.NoError(t, err)
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ic.VM.LoadNEFMethod(contract.NEF, contract.Hash, contract.Hash, callflag.All, hasResult, methodOff, -1, nil)
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ic.VM.Context().Estack().PushVal(num)
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ic.VM.Context().Estack().PushVal(key)
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return ic.VM
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}
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func getStartOffset(di *compiler.DebugInfo, methodID string) (int, error) {
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for _, method := range di.Methods {
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if method.ID == methodID {
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return int(method.Range.Start), nil
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}
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}
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return 0, errors.New("Method not found")
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}
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func hasResult(di *compiler.DebugInfo, methodID string) (bool, error) {
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for _, method := range di.Methods {
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if method.ID == methodID {
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if method.ReturnType == "Void" {
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return false, nil
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}
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return true, nil
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}
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}
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return false, errors.New("Method not found")
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}
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func getNumToPut() int {
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return rand.Intn(100)
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}
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