github.com/gravity-devs/liquidity@v1.5.3/x/liquidity/simulation/genesis_test.go (about)

     1  package simulation_test
     2  
     3  import (
     4  	"encoding/json"
     5  	"math/rand"
     6  	"testing"
     7  
     8  	"github.com/cosmos/cosmos-sdk/codec"
     9  	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
    10  	sdk "github.com/cosmos/cosmos-sdk/types"
    11  	"github.com/cosmos/cosmos-sdk/types/module"
    12  	simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
    13  	"github.com/stretchr/testify/require"
    14  
    15  	"github.com/gravity-devs/liquidity/x/liquidity/simulation"
    16  	"github.com/gravity-devs/liquidity/x/liquidity/types"
    17  )
    18  
    19  // TestRandomizedGenState tests the normal scenario of applying RandomizedGenState.
    20  // Abnormal 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 liquidityGenesis types.GenesisState
    40  	simState.Cdc.MustUnmarshalJSON(simState.GenState[types.ModuleName], &liquidityGenesis)
    41  
    42  	dec1, _ := sdk.NewIntFromString("4122540")
    43  	dec2, _ := sdk.NewIntFromString("11240456")
    44  	dec3, _ := sdk.NewIntFromString("2040480279449")
    45  	dec4, _ := sdk.NewDecFromStr("0.448590000000000000")
    46  	dec5, _ := sdk.NewDecFromStr("0.732160000000000000")
    47  	dec6, _ := sdk.NewDecFromStr("0.237840000000000000")
    48  
    49  	require.Equal(t, dec1, liquidityGenesis.Params.MinInitDepositAmount)
    50  	require.Equal(t, dec2, liquidityGenesis.Params.InitPoolCoinMintAmount)
    51  	require.Equal(t, dec3, liquidityGenesis.Params.MaxReserveCoinAmount)
    52  	require.Equal(t, dec4, liquidityGenesis.Params.SwapFeeRate)
    53  	require.Equal(t, dec5, liquidityGenesis.Params.WithdrawFeeRate)
    54  	require.Equal(t, dec6, liquidityGenesis.Params.MaxOrderAmountRatio)
    55  	require.Equal(t, uint32(6), liquidityGenesis.Params.UnitBatchHeight)
    56  }
    57  
    58  // TestRandomizedGenState tests abnormal scenarios of applying RandomizedGenState.
    59  func TestRandomizedGenState1(t *testing.T) {
    60  	interfaceRegistry := codectypes.NewInterfaceRegistry()
    61  	cdc := codec.NewProtoCodec(interfaceRegistry)
    62  
    63  	s := rand.NewSource(1)
    64  	r := rand.New(s)
    65  
    66  	// all these tests will panic
    67  	tests := []struct {
    68  		simState module.SimulationState
    69  		panicMsg string
    70  	}{
    71  		{ // panic => reason: incomplete initialization of the simState
    72  			module.SimulationState{}, "invalid memory address or nil pointer dereference"},
    73  		{ // panic => reason: incomplete initialization of the simState
    74  			module.SimulationState{
    75  				AppParams: make(simtypes.AppParams),
    76  				Cdc:       cdc,
    77  				Rand:      r,
    78  			}, "assignment to entry in nil map"},
    79  	}
    80  
    81  	for _, tt := range tests {
    82  		require.Panicsf(t, func() { simulation.RandomizedGenState(&tt.simState) }, tt.panicMsg)
    83  	}
    84  }