github.com/Finschia/finschia-sdk@v0.48.1/x/capability/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  	"github.com/Finschia/finschia-sdk/types/module"
    13  	simtypes "github.com/Finschia/finschia-sdk/types/simulation"
    14  	"github.com/Finschia/finschia-sdk/x/capability/simulation"
    15  	"github.com/Finschia/finschia-sdk/x/capability/types"
    16  )
    17  
    18  // TestRandomizedGenState tests the normal scenario of applying RandomizedGenState.
    19  // Abonormal scenarios are not tested here.
    20  func TestRandomizedGenState(t *testing.T) {
    21  	interfaceRegistry := codectypes.NewInterfaceRegistry()
    22  	cdc := codec.NewProtoCodec(interfaceRegistry)
    23  	s := rand.NewSource(1)
    24  	r := rand.New(s)
    25  
    26  	simState := module.SimulationState{
    27  		AppParams:    make(simtypes.AppParams),
    28  		Cdc:          cdc,
    29  		Rand:         r,
    30  		NumBonded:    3,
    31  		Accounts:     simtypes.RandomAccounts(r, 3),
    32  		InitialStake: 1000,
    33  		GenState:     make(map[string]json.RawMessage),
    34  	}
    35  
    36  	simulation.RandomizedGenState(&simState)
    37  
    38  	var capGenesis types.GenesisState
    39  	simState.Cdc.MustUnmarshalJSON(simState.GenState[types.ModuleName], &capGenesis)
    40  
    41  	require.Equal(t, uint64(149), capGenesis.Index)
    42  	require.Len(t, capGenesis.Owners, 0)
    43  }
    44  
    45  // TestRandomizedGenState tests abnormal scenarios of applying RandomizedGenState.
    46  func TestRandomizedGenState1(t *testing.T) {
    47  	interfaceRegistry := codectypes.NewInterfaceRegistry()
    48  	cdc := codec.NewProtoCodec(interfaceRegistry)
    49  
    50  	s := rand.NewSource(1)
    51  	r := rand.New(s)
    52  
    53  	// all these tests will panic
    54  	tests := []struct {
    55  		simState module.SimulationState
    56  		panicMsg string
    57  	}{
    58  		{ // panic => reason: incomplete initialization of the simState
    59  			module.SimulationState{}, "invalid memory address or nil pointer dereference"},
    60  		{ // panic => reason: incomplete initialization of the simState
    61  			module.SimulationState{
    62  				AppParams: make(simtypes.AppParams),
    63  				Cdc:       cdc,
    64  				Rand:      r,
    65  			}, "assignment to entry in nil map"},
    66  	}
    67  
    68  	for _, tt := range tests {
    69  		require.Panicsf(t, func() { simulation.RandomizedGenState(&tt.simState) }, tt.panicMsg)
    70  	}
    71  }