package keeper_test

import (
	"testing"

	"github.com/stretchr/testify/require"

	"github.com/cosmos/cosmos-sdk/simapp"
	"github.com/cosmos/cosmos-sdk/x/staking/types"
	abci "github.com/tendermint/tendermint/abci/types"
)

func TestParams(t *testing.T) {
	app := simapp.Setup(false)
	ctx := app.BaseApp.NewContext(false, abci.Header{})

	expParams := types.DefaultParams()

	//check that the empty keeper loads the default
	resParams := app.StakingKeeper.GetParams(ctx)
	require.True(t, expParams.Equal(resParams))

	//modify a params, save, and retrieve
	expParams.MaxValidators = 777
	app.StakingKeeper.SetParams(ctx, expParams)
	resParams = app.StakingKeeper.GetParams(ctx)
	require.True(t, expParams.Equal(resParams))
}