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test: cleanup ics29 types tests #1006

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merged 2 commits into from
Feb 25, 2022
Merged

test: cleanup ics29 types tests #1006

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1cf5425
refactoring ics29 types tests
damiannolan Feb 24, 2022
7d147cf
Merge branch 'ics29-fee-middleware' into damian/980-update-ics29-tests
damiannolan Feb 25, 2022
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84 changes: 50 additions & 34 deletions modules/apps/29-fee/types/fee_test.go
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Original file line number Diff line number Diff line change
@@ -1,30 +1,42 @@
package types
package types_test

import (
"testing"

sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/stretchr/testify/require"
"github.com/tendermint/tendermint/crypto/secp256k1"

"github.com/cosmos/ibc-go/v3/modules/apps/29-fee/types"
)

var (
// defaultRecvFee is the default packet receive fee used for testing purposes
defaultRecvFee = sdk.NewCoins(sdk.Coin{Denom: sdk.DefaultBondDenom, Amount: sdk.NewInt(100)})

// defaultAckFee is the default packet acknowledgement fee used for testing purposes
defaultAckFee = sdk.NewCoins(sdk.Coin{Denom: sdk.DefaultBondDenom, Amount: sdk.NewInt(200)})

// defaultTimeoutFee is the default packet timeout fee used for testing purposes
defaultTimeoutFee = sdk.NewCoins(sdk.Coin{Denom: sdk.DefaultBondDenom, Amount: sdk.NewInt(300)})

// invalidFee is an invalid coin set used to trigger error cases for testing purposes
invalidFee = sdk.Coins{sdk.Coin{Denom: "invalid-denom", Amount: sdk.NewInt(-2)}}

// defaultAccAddress is the default account used for testing purposes
defaultAccAddress = sdk.AccAddress(secp256k1.GenPrivKey().PubKey().Address()).String()
)

func TestFeeTotal(t *testing.T) {
fee := Fee{
AckFee: sdk.NewCoins(sdk.Coin{Denom: sdk.DefaultBondDenom, Amount: sdk.NewInt(100)}),
RecvFee: sdk.NewCoins(sdk.Coin{Denom: sdk.DefaultBondDenom, Amount: sdk.NewInt(100)}),
TimeoutFee: sdk.NewCoins(sdk.Coin{Denom: sdk.DefaultBondDenom, Amount: sdk.NewInt(100)}),
}
fee := types.NewFee(defaultRecvFee, defaultAckFee, defaultTimeoutFee)

total := fee.Total()
require.Equal(t, sdk.NewInt(300), total.AmountOf(sdk.DefaultBondDenom))
require.Equal(t, sdk.NewInt(600), total.AmountOf(sdk.DefaultBondDenom))
}

// TestFeeValidation tests Validate
func TestFeeValidation(t *testing.T) {
func TestPacketFeeValidation(t *testing.T) {
var (
fee Fee
ackFee sdk.Coins
receiveFee sdk.Coins
timeoutFee sdk.Coins
packetFee types.PacketFee
)

testCases := []struct {
Expand All @@ -37,66 +49,70 @@ func TestFeeValidation(t *testing.T) {
func() {},
true,
},
{
"should fail when refund address is invalid",
func() {
packetFee.RefundAddress = "invalid-address"
},
false,
},
{
"should fail when all fees are invalid",
func() {
ackFee = invalidCoins
receiveFee = invalidCoins
timeoutFee = invalidCoins
packetFee.Fee.AckFee = invalidFee
packetFee.Fee.RecvFee = invalidFee
packetFee.Fee.TimeoutFee = invalidFee
},
false,
},
{
"should fail with single invalid fee",
func() {
ackFee = invalidCoins
packetFee.Fee.AckFee = invalidFee
},
false,
},
{
"should fail with two invalid fees",
func() {
timeoutFee = invalidCoins
ackFee = invalidCoins
packetFee.Fee.TimeoutFee = invalidFee
packetFee.Fee.AckFee = invalidFee
},
false,
},
{
"should pass with two empty fees",
func() {
timeoutFee = sdk.Coins{}
ackFee = sdk.Coins{}
packetFee.Fee.TimeoutFee = sdk.Coins{}
packetFee.Fee.AckFee = sdk.Coins{}
},
true,
},
{
"should pass with one empty fee",
func() {
timeoutFee = sdk.Coins{}
packetFee.Fee.TimeoutFee = sdk.Coins{}
},
true,
},
{
"should fail if all fees are empty",
func() {
ackFee = sdk.Coins{}
receiveFee = sdk.Coins{}
timeoutFee = sdk.Coins{}
packetFee.Fee.AckFee = sdk.Coins{}
packetFee.Fee.RecvFee = sdk.Coins{}
packetFee.Fee.TimeoutFee = sdk.Coins{}
},
false,
},
}

for _, tc := range testCases {
// build message
ackFee = validCoins
receiveFee = validCoins
timeoutFee = validCoins

// malleate
tc.malleate()
fee = Fee{receiveFee, ackFee, timeoutFee}
err := fee.Validate()
fee := types.NewFee(defaultRecvFee, defaultAckFee, defaultTimeoutFee)
packetFee = types.NewPacketFee(fee, defaultAccAddress, nil)
Comment on lines +110 to +111
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Why don't you create a defaultPacketFee

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This packetFee is mutated by malleate() in each of the testcases, so creating a defaultPacketFee as a global test variable might not be great for reusing in other tests, as whatever its state is after the last case would carry forward to the next test. So you'd have to be careful resetting it..etc

I think here, because the packetFee is the subject under test it makes more sense to not be using a global var. The fields defined globally are fairly "static" for lack of a better word and more so boilerplate for not over bloating the test cases with initialisation code.


tc.malleate() // malleate mutates test data

err := packetFee.Validate()

if tc.expPass {
require.NoError(t, err)
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