85 lines
3.0 KiB
Go
85 lines
3.0 KiB
Go
package simulation_test
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import (
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"encoding/json"
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"math/rand"
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/cosmos/cosmos-sdk/codec"
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codectypes "github.com/cosmos/cosmos-sdk/codec/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/module"
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simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
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"github.com/cosmos/cosmos-sdk/x/mint/simulation"
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"github.com/cosmos/cosmos-sdk/x/mint/types"
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)
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// TestRandomizedGenState tests the normal scenario of applying RandomizedGenState.
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// Abonormal scenarios are not tested here.
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func TestRandomizedGenState(t *testing.T) {
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interfaceRegistry := codectypes.NewInterfaceRegistry()
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cdc := codec.NewProtoCodec(interfaceRegistry)
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s := rand.NewSource(1)
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r := rand.New(s)
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simState := module.SimulationState{
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AppParams: make(simtypes.AppParams),
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Cdc: cdc,
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Rand: r,
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NumBonded: 3,
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Accounts: simtypes.RandomAccounts(r, 3),
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InitialStake: 1000,
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GenState: make(map[string]json.RawMessage),
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}
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simulation.RandomizedGenState(&simState)
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var mintGenesis types.GenesisState
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simState.Cdc.MustUnmarshalJSON(simState.GenState[types.ModuleName], &mintGenesis)
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dec1, _ := sdk.NewDecFromStr("0.670000000000000000")
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dec2, _ := sdk.NewDecFromStr("0.200000000000000000")
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dec3, _ := sdk.NewDecFromStr("0.070000000000000000")
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require.Equal(t, uint64(6311520), mintGenesis.Params.BlocksPerYear)
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require.Equal(t, dec1, mintGenesis.Params.GoalBonded)
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require.Equal(t, dec2, mintGenesis.Params.InflationMax)
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require.Equal(t, dec3, mintGenesis.Params.InflationMin)
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require.Equal(t, "stake", mintGenesis.Params.MintDenom)
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require.Equal(t, "0stake", mintGenesis.Minter.BlockProvision(mintGenesis.Params).String())
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require.Equal(t, "0.170000000000000000", mintGenesis.Minter.NextAnnualProvisions(mintGenesis.Params, sdk.OneInt()).String())
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require.Equal(t, "0.169999926644441493", mintGenesis.Minter.NextInflationRate(mintGenesis.Params, sdk.OneDec()).String())
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require.Equal(t, "0.170000000000000000", mintGenesis.Minter.Inflation.String())
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require.Equal(t, "0.000000000000000000", mintGenesis.Minter.AnnualProvisions.String())
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}
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// TestRandomizedGenState tests abnormal scenarios of applying RandomizedGenState.
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func TestRandomizedGenState1(t *testing.T) {
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interfaceRegistry := codectypes.NewInterfaceRegistry()
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cdc := codec.NewProtoCodec(interfaceRegistry)
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s := rand.NewSource(1)
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r := rand.New(s)
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// all these tests will panic
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tests := []struct {
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simState module.SimulationState
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panicMsg string
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}{
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{ // panic => reason: incomplete initialization of the simState
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module.SimulationState{}, "invalid memory address or nil pointer dereference"},
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{ // panic => reason: incomplete initialization of the simState
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module.SimulationState{
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AppParams: make(simtypes.AppParams),
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Cdc: cdc,
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Rand: r,
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}, "assignment to entry in nil map"},
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}
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for _, tt := range tests {
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require.Panicsf(t, func() { simulation.RandomizedGenState(&tt.simState) }, tt.panicMsg)
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}
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}
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