refactor: Use mocks for x/feegrant testing (#12472)

* add expected keepers mocks

* progress

* progress

* progress

* more progress

* progress

* remove debug prints

* undo simulation changes

* revert some more stuff

* Update x/feegrant/keeper/keeper.go

Co-authored-by: Marko <marbar3778@yahoo.com>

Co-authored-by: Marko <marbar3778@yahoo.com>

x/feegrant/basic_fee_test.go

@@ -8,33 +8,16 @@ import (
 	"github.com/stretchr/testify/require"
 	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
 
-	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
-	simtestutil "github.com/cosmos/cosmos-sdk/testutil/sims"
+	"github.com/cosmos/cosmos-sdk/testutil"
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	bankkeeper "github.com/cosmos/cosmos-sdk/x/bank/keeper"
 	"github.com/cosmos/cosmos-sdk/x/feegrant"
-	"github.com/cosmos/cosmos-sdk/x/feegrant/keeper"
-	"github.com/cosmos/cosmos-sdk/x/feegrant/testutil"
-	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
 )
 
 func TestBasicFeeValidAllow(t *testing.T) {
-	var (
-		interfaceRegistry codectypes.InterfaceRegistry
-		bankKeeper        bankkeeper.Keeper
-		stakingKeeper     *stakingkeeper.Keeper
-		feegrantKeeper    keeper.Keeper
-	)
+	key := sdk.NewKVStoreKey(feegrant.StoreKey)
+	testCtx := testutil.DefaultContextWithDB(t, key, sdk.NewTransientStoreKey("transient_test"))
 
-	app, err := simtestutil.Setup(testutil.AppConfig,
-		&feegrantKeeper,
-		&bankKeeper,
-		&stakingKeeper,
-		&interfaceRegistry,
-	)
-	require.NoError(t, err)
-
-	ctx := app.BaseApp.NewContext(false, tmproto.Header{Height: 1})
+	ctx := testCtx.Ctx.WithBlockHeader(tmproto.Header{Height: 1})
 
 	badTime := ctx.BlockTime().AddDate(0, 0, -1)
 	allowace := &feegrant.BasicAllowance{
@@ -42,7 +25,7 @@ func TestBasicFeeValidAllow(t *testing.T) {
 	}
 	require.Error(t, allowace.ValidateBasic())
 
-	ctx = app.BaseApp.NewContext(false, tmproto.Header{
+	ctx = ctx.WithBlockHeader(tmproto.Header{
 		Time: time.Now(),
 	})
 	eth := sdk.NewCoins(sdk.NewInt64Coin("eth", 10))
@@ -150,7 +133,7 @@ func TestBasicFeeValidAllow(t *testing.T) {
 			err := tc.allowance.ValidateBasic()
 			require.NoError(t, err)
 
-			ctx := app.BaseApp.NewContext(false, tmproto.Header{}).WithBlockTime(tc.blockTime)
+			ctx := testCtx.Ctx.WithBlockTime(tc.blockTime)
 
 			// now try to deduct
 			removed, err := tc.allowance.Accept(ctx, tc.fee, []sdk.Msg{})