206 lines
7.3 KiB
Go
206 lines
7.3 KiB
Go
package simulation_test
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import (
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"math/rand"
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"testing"
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"github.com/stretchr/testify/suite"
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abci "github.com/tendermint/tendermint/abci/types"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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"github.com/cosmos/cosmos-sdk/simapp"
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simappparams "github.com/cosmos/cosmos-sdk/simapp/params"
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sdk "github.com/cosmos/cosmos-sdk/types"
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simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
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"github.com/cosmos/cosmos-sdk/x/bank/simulation"
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"github.com/cosmos/cosmos-sdk/x/bank/testutil"
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"github.com/cosmos/cosmos-sdk/x/bank/types"
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)
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type SimTestSuite struct {
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suite.Suite
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ctx sdk.Context
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app *simapp.SimApp
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}
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func (suite *SimTestSuite) SetupTest() {
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checkTx := false
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app := simapp.Setup(suite.T(), checkTx)
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suite.app = app
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suite.ctx = app.BaseApp.NewContext(checkTx, tmproto.Header{})
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}
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// TestWeightedOperations tests the weights of the operations.
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func (suite *SimTestSuite) TestWeightedOperations() {
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cdc := suite.app.AppCodec()
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appParams := make(simtypes.AppParams)
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weightesOps := simulation.WeightedOperations(appParams, cdc, suite.app.AccountKeeper, suite.app.BankKeeper)
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// setup 3 accounts
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s := rand.NewSource(1)
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r := rand.New(s)
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accs := suite.getTestingAccounts(r, 3)
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expected := []struct {
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weight int
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opMsgRoute string
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opMsgName string
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}{
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{simappparams.DefaultWeightMsgSend, types.ModuleName, types.TypeMsgSend},
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{simappparams.DefaultWeightMsgMultiSend, types.ModuleName, types.TypeMsgMultiSend},
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}
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for i, w := range weightesOps {
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operationMsg, _, _ := w.Op()(r, suite.app.BaseApp, suite.ctx, accs, "")
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// the following checks are very much dependent from the ordering of the output given
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// by WeightedOperations. if the ordering in WeightedOperations changes some tests
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// will fail
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suite.Require().Equal(expected[i].weight, w.Weight(), "weight should be the same")
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suite.Require().Equal(expected[i].opMsgRoute, operationMsg.Route, "route should be the same")
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suite.Require().Equal(expected[i].opMsgName, operationMsg.Name, "operation Msg name should be the same")
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}
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}
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// TestSimulateMsgSend tests the normal scenario of a valid message of type TypeMsgSend.
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// Abonormal scenarios, where the message is created by an errors, are not tested here.
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func (suite *SimTestSuite) TestSimulateMsgSend() {
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// setup 3 accounts
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s := rand.NewSource(1)
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r := rand.New(s)
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accounts := suite.getTestingAccounts(r, 3)
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// begin a new block
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suite.app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: suite.app.LastBlockHeight() + 1, AppHash: suite.app.LastCommitID().Hash}})
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// execute operation
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op := simulation.SimulateMsgSend(suite.app.AccountKeeper, suite.app.BankKeeper)
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operationMsg, futureOperations, err := op(r, suite.app.BaseApp, suite.ctx, accounts, "")
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suite.Require().NoError(err)
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var msg types.MsgSend
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types.ModuleCdc.UnmarshalJSON(operationMsg.Msg, &msg)
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suite.Require().True(operationMsg.OK)
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suite.Require().Equal("65337742stake", msg.Amount.String())
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suite.Require().Equal("cosmos1ghekyjucln7y67ntx7cf27m9dpuxxemn4c8g4r", msg.FromAddress)
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suite.Require().Equal("cosmos1p8wcgrjr4pjju90xg6u9cgq55dxwq8j7u4x9a0", msg.ToAddress)
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suite.Require().Equal(types.TypeMsgSend, msg.Type())
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suite.Require().Equal(types.ModuleName, msg.Route())
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suite.Require().Len(futureOperations, 0)
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}
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// TestSimulateMsgSend tests the normal scenario of a valid message of type TypeMsgMultiSend.
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// Abonormal scenarios, where the message is created by an errors, are not tested here.
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func (suite *SimTestSuite) TestSimulateMsgMultiSend() {
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// setup 3 accounts
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s := rand.NewSource(1)
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r := rand.New(s)
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accounts := suite.getTestingAccounts(r, 3)
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// begin a new block
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suite.app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: suite.app.LastBlockHeight() + 1, AppHash: suite.app.LastCommitID().Hash}})
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// execute operation
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op := simulation.SimulateMsgMultiSend(suite.app.AccountKeeper, suite.app.BankKeeper)
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operationMsg, futureOperations, err := op(r, suite.app.BaseApp, suite.ctx, accounts, "")
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require := suite.Require()
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require.NoError(err)
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var msg types.MsgMultiSend
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types.ModuleCdc.UnmarshalJSON(operationMsg.Msg, &msg)
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require.True(operationMsg.OK)
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require.Len(msg.Inputs, 3)
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require.Equal("cosmos1p8wcgrjr4pjju90xg6u9cgq55dxwq8j7u4x9a0", msg.Inputs[1].Address)
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require.Equal("185121068stake", msg.Inputs[1].Coins.String())
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require.Len(msg.Outputs, 2)
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require.Equal("cosmos1ghekyjucln7y67ntx7cf27m9dpuxxemn4c8g4r", msg.Outputs[1].Address)
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require.Equal("260469617stake", msg.Outputs[1].Coins.String())
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require.Equal(types.TypeMsgMultiSend, msg.Type())
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require.Equal(types.ModuleName, msg.Route())
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require.Len(futureOperations, 0)
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}
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func (suite *SimTestSuite) TestSimulateModuleAccountMsgSend() {
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const (
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accCount = 1
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moduleAccCount = 1
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)
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s := rand.NewSource(1)
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r := rand.New(s)
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accounts := suite.getTestingAccounts(r, accCount)
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// begin a new block
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suite.app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: suite.app.LastBlockHeight() + 1, AppHash: suite.app.LastCommitID().Hash}})
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// execute operation
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op := simulation.SimulateMsgSendToModuleAccount(suite.app.AccountKeeper, suite.app.BankKeeper, moduleAccCount)
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s = rand.NewSource(1)
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r = rand.New(s)
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operationMsg, futureOperations, err := op(r, suite.app.BaseApp, suite.ctx, accounts, "")
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suite.Require().Error(err)
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var msg types.MsgSend
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types.ModuleCdc.UnmarshalJSON(operationMsg.Msg, &msg)
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suite.Require().False(operationMsg.OK)
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suite.Require().Equal(operationMsg.Comment, "invalid transfers")
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suite.Require().Equal(types.TypeMsgSend, msg.Type())
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suite.Require().Equal(types.ModuleName, msg.Route())
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suite.Require().Len(futureOperations, 0)
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}
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func (suite *SimTestSuite) TestSimulateMsgMultiSendToModuleAccount() {
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const (
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accCount = 2
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mAccCount = 2
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)
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s := rand.NewSource(1)
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r := rand.New(s)
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accounts := suite.getTestingAccounts(r, accCount)
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// begin a new block
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suite.app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: suite.app.LastBlockHeight() + 1, AppHash: suite.app.LastCommitID().Hash}})
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// execute operation
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op := simulation.SimulateMsgMultiSendToModuleAccount(suite.app.AccountKeeper, suite.app.BankKeeper, mAccCount)
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operationMsg, futureOperations, err := op(r, suite.app.BaseApp, suite.ctx, accounts, "")
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suite.Require().Error(err)
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var msg types.MsgMultiSend
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types.ModuleCdc.UnmarshalJSON(operationMsg.Msg, &msg)
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suite.Require().False(operationMsg.OK) // sending tokens to a module account should fail
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suite.Require().Equal(operationMsg.Comment, "invalid transfers")
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suite.Require().Equal(types.TypeMsgMultiSend, msg.Type())
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suite.Require().Equal(types.ModuleName, msg.Route())
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suite.Require().Len(futureOperations, 0)
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}
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func (suite *SimTestSuite) getTestingAccounts(r *rand.Rand, n int) []simtypes.Account {
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accounts := simtypes.RandomAccounts(r, n)
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initAmt := suite.app.StakingKeeper.TokensFromConsensusPower(suite.ctx, 200)
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initCoins := sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, initAmt))
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// add coins to the accounts
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for _, account := range accounts {
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acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, account.Address)
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suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
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suite.Require().NoError(testutil.FundAccount(suite.app.BankKeeper, suite.ctx, account.Address, initCoins))
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}
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return accounts
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}
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func TestSimTestSuite(t *testing.T) {
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suite.Run(t, new(SimTestSuite))
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}
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