github.com/Finschia/finschia-sdk@v0.48.1/x/distribution/simulation/genesis_test.go (about)

     1  package simulation_test
     2  
     3  import (
     4  	"encoding/json"
     5  	"math/rand"
     6  	"testing"
     7  
     8  	"github.com/stretchr/testify/require"
     9  
    10  	"github.com/Finschia/finschia-sdk/codec"
    11  	codectypes "github.com/Finschia/finschia-sdk/codec/types"
    12  	sdk "github.com/Finschia/finschia-sdk/types"
    13  	"github.com/Finschia/finschia-sdk/types/module"
    14  	simtypes "github.com/Finschia/finschia-sdk/types/simulation"
    15  	"github.com/Finschia/finschia-sdk/x/distribution/simulation"
    16  	"github.com/Finschia/finschia-sdk/x/distribution/types"
    17  )
    18  
    19  // TestRandomizedGenState tests the normal scenario of applying RandomizedGenState.
    20  // Abonormal scenarios are not tested here.
    21  func TestRandomizedGenState(t *testing.T) {
    22  	interfaceRegistry := codectypes.NewInterfaceRegistry()
    23  	cdc := codec.NewProtoCodec(interfaceRegistry)
    24  	s := rand.NewSource(1)
    25  	r := rand.New(s)
    26  
    27  	simState := module.SimulationState{
    28  		AppParams:    make(simtypes.AppParams),
    29  		Cdc:          cdc,
    30  		Rand:         r,
    31  		NumBonded:    3,
    32  		Accounts:     simtypes.RandomAccounts(r, 3),
    33  		InitialStake: 1000,
    34  		GenState:     make(map[string]json.RawMessage),
    35  	}
    36  
    37  	simulation.RandomizedGenState(&simState)
    38  
    39  	var distrGenesis types.GenesisState
    40  	simState.Cdc.MustUnmarshalJSON(simState.GenState[types.ModuleName], &distrGenesis)
    41  
    42  	dec1, _ := sdk.NewDecFromStr("0.170000000000000000")
    43  	dec2, _ := sdk.NewDecFromStr("0.010000000000000000")
    44  	dec3, _ := sdk.NewDecFromStr("0.210000000000000000")
    45  
    46  	require.Equal(t, dec1, distrGenesis.Params.BaseProposerReward)
    47  	require.Equal(t, dec2, distrGenesis.Params.BonusProposerReward)
    48  	require.Equal(t, dec3, distrGenesis.Params.CommunityTax)
    49  	require.Equal(t, true, distrGenesis.Params.WithdrawAddrEnabled)
    50  	require.Len(t, distrGenesis.DelegatorStartingInfos, 0)
    51  	require.Len(t, distrGenesis.DelegatorWithdrawInfos, 0)
    52  	require.Len(t, distrGenesis.ValidatorSlashEvents, 0)
    53  }
    54  
    55  // TestRandomizedGenState tests abnormal scenarios of applying RandomizedGenState.
    56  func TestRandomizedGenState1(t *testing.T) {
    57  	interfaceRegistry := codectypes.NewInterfaceRegistry()
    58  	cdc := codec.NewProtoCodec(interfaceRegistry)
    59  
    60  	s := rand.NewSource(1)
    61  	r := rand.New(s)
    62  
    63  	// all these tests will panic
    64  	tests := []struct {
    65  		simState module.SimulationState
    66  		panicMsg string
    67  	}{
    68  		{ // panic => reason: incomplete initialization of the simState
    69  			module.SimulationState{}, "invalid memory address or nil pointer dereference"},
    70  		{ // panic => reason: incomplete initialization of the simState
    71  			module.SimulationState{
    72  				AppParams: make(simtypes.AppParams),
    73  				Cdc:       cdc,
    74  				Rand:      r,
    75  			}, "assignment to entry in nil map"},
    76  	}
    77  
    78  	for _, tt := range tests {
    79  		require.Panicsf(t, func() { simulation.RandomizedGenState(&tt.simState) }, tt.panicMsg)
    80  	}
    81  }