cosmos-sdk/x/bank/simulation/genesis_test.go

89 lines
3.0 KiB
Go

package simulation_test
import (
"encoding/json"
"math/rand"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
sdkmath "cosmossdk.io/math"
"cosmossdk.io/x/bank/simulation"
"cosmossdk.io/x/bank/types"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/codec/testutil"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/module"
simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
)
// TestRandomizedGenState tests the normal scenario of applying RandomizedGenState.
// Abonormal scenarios are not tested here.
func TestRandomizedGenState(t *testing.T) {
interfaceRegistry := codectypes.NewInterfaceRegistry()
cdc := codec.NewProtoCodec(interfaceRegistry)
cdcOpts := testutil.CodecOptions{}
s := rand.NewSource(1)
r := rand.New(s)
simState := module.SimulationState{
AppParams: make(simtypes.AppParams),
Cdc: cdc,
AddressCodec: cdcOpts.GetAddressCodec(),
ValidatorCodec: cdcOpts.GetValidatorCodec(),
Rand: r,
NumBonded: 3,
BondDenom: sdk.DefaultBondDenom,
Accounts: simtypes.RandomAccounts(r, 3),
InitialStake: sdkmath.NewInt(1000),
GenState: make(map[string]json.RawMessage),
}
simulation.RandomizedGenState(&simState)
var bankGenesis types.GenesisState
simState.Cdc.MustUnmarshalJSON(simState.GenState[types.ModuleName], &bankGenesis)
assert.Equal(t, true, bankGenesis.Params.GetDefaultSendEnabled(), "Params.GetDefaultSendEnabled")
assert.Len(t, bankGenesis.Params.GetSendEnabled(), 0, "Params.GetSendEnabled") //nolint:staticcheck // we're testing the old way here
if assert.Len(t, bankGenesis.Balances, 3) {
assert.Equal(t, "cosmos1ghekyjucln7y67ntx7cf27m9dpuxxemn4c8g4r", bankGenesis.Balances[2].Address, "Balances[2] address")
assert.Equal(t, "1000stake", bankGenesis.Balances[2].GetCoins().String(), "Balances[2] coins")
}
assert.Equal(t, "6000stake", bankGenesis.Supply.String(), "Supply")
if assert.Len(t, bankGenesis.SendEnabled, 1, "SendEnabled") {
assert.Equal(t, true, bankGenesis.SendEnabled[0].Enabled, "SendEnabled[0] value")
}
}
// TestRandomizedGenState1 tests abnormal scenarios of applying RandomizedGenState.
func TestRandomizedGenState1(t *testing.T) {
interfaceRegistry := codectypes.NewInterfaceRegistry()
cdc := codec.NewProtoCodec(interfaceRegistry)
s := rand.NewSource(1)
r := rand.New(s)
// all these tests will panic
tests := []struct {
simState module.SimulationState
panicMsg string
}{
{ // panic => reason: incomplete initialization of the simState
module.SimulationState{}, "invalid memory address or nil pointer dereference"},
{ // panic => reason: incomplete initialization of the simState
module.SimulationState{
AppParams: make(simtypes.AppParams),
Cdc: cdc,
Rand: r,
}, "assignment to entry in nil map"},
}
for _, tt := range tests {
require.Panicsf(t, func() { simulation.RandomizedGenState(&tt.simState) }, tt.panicMsg)
}
}