cosmos-sdk/tests/integration/distribution/keeper/params_test.go

118 lines
3.2 KiB
Go

package keeper_test
import (
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/distribution/types"
)
func (s *KeeperTestSuite) TestParams() {
// default params
communityTax := sdk.NewDecWithPrec(2, 2) // 2%
baseProposerReward := sdk.NewDecWithPrec(1, 2) // 1%
bonusProposerReward := sdk.NewDecWithPrec(4, 2) // 4%
withdrawAddrEnabled := true
testCases := []struct {
name string
input types.Params
expErr bool
expErrMsg string
}{
{
name: "community tax > 1",
input: types.Params{
CommunityTax: sdk.NewDecWithPrec(2, 0),
BaseProposerReward: baseProposerReward,
BonusProposerReward: bonusProposerReward,
WithdrawAddrEnabled: withdrawAddrEnabled,
},
expErr: true,
expErrMsg: "community tax should be non-negative and less than one",
},
{
name: "negative community tax",
input: types.Params{
CommunityTax: sdk.NewDecWithPrec(-2, 1),
BaseProposerReward: baseProposerReward,
BonusProposerReward: bonusProposerReward,
WithdrawAddrEnabled: withdrawAddrEnabled,
},
expErr: true,
expErrMsg: "community tax should be non-negative and less than one",
},
{
name: "base proposer reward > 1",
input: types.Params{
CommunityTax: communityTax,
BaseProposerReward: sdk.NewDecWithPrec(2, 0),
BonusProposerReward: bonusProposerReward,
WithdrawAddrEnabled: withdrawAddrEnabled,
},
expErr: true,
expErrMsg: "sum of base, bonus proposer rewards, and community tax cannot be greater than one",
},
{
name: "negative base proposer reward",
input: types.Params{
CommunityTax: communityTax,
BaseProposerReward: sdk.NewDecWithPrec(-2, 0),
BonusProposerReward: bonusProposerReward,
WithdrawAddrEnabled: withdrawAddrEnabled,
},
expErr: true,
expErrMsg: "base proposer reward should be positive",
},
{
name: "bonus proposer reward > 1",
input: types.Params{
CommunityTax: communityTax,
BaseProposerReward: baseProposerReward,
BonusProposerReward: sdk.NewDecWithPrec(2, 0),
WithdrawAddrEnabled: withdrawAddrEnabled,
},
expErr: true,
expErrMsg: "sum of base, bonus proposer rewards, and community tax cannot be greater than one",
},
{
name: "negative bonus proposer reward",
input: types.Params{
CommunityTax: communityTax,
BaseProposerReward: baseProposerReward,
BonusProposerReward: sdk.NewDecWithPrec(-2, 0),
WithdrawAddrEnabled: withdrawAddrEnabled,
},
expErr: true,
expErrMsg: "bonus proposer reward should be positive",
},
{
name: "all good",
input: types.Params{
CommunityTax: communityTax,
BaseProposerReward: baseProposerReward,
BonusProposerReward: bonusProposerReward,
WithdrawAddrEnabled: withdrawAddrEnabled,
},
expErr: false,
},
}
for _, tc := range testCases {
tc := tc
s.Run(tc.name, func() {
expected := s.distrKeeper.GetParams(s.ctx)
err := s.distrKeeper.SetParams(s.ctx, tc.input)
if tc.expErr {
s.Require().Error(err)
s.Require().Contains(err.Error(), tc.expErrMsg)
} else {
expected = tc.input
s.Require().NoError(err)
}
params := s.distrKeeper.GetParams(s.ctx)
s.Require().Equal(expected, params)
})
}
}