ban function params for require.ErrorIs (ava-labs#1486)

codec/test_codec.go

@@ -157,7 +157,8 @@ func TestRegisterStructTwice(codec GeneralCodec, t testing.TB) {
 	require := require.New(t)
 
 	require.NoError(codec.RegisterType(&MyInnerStruct{}))
-	require.ErrorIs(codec.RegisterType(&MyInnerStruct{}), ErrDuplicateType)
+	err := codec.RegisterType(&MyInnerStruct{})
+	require.ErrorIs(err, ErrDuplicateType)
 }
 
 func TestUInt32(codec GeneralCodec, t testing.TB) {

scripts/lint.sh

@@ -21,7 +21,7 @@ fi
 # by default, "./scripts/lint.sh" runs all lint tests
 # to run only "license_header" test
 # TESTS='license_header' ./scripts/lint.sh
-TESTS=${TESTS:-"golangci_lint license_header"}
+TESTS=${TESTS:-"golangci_lint license_header require_error_is_no_funcs_as_params"}
 
 function test_golangci_lint {
   go install -v github.com/golangci/golangci-lint/cmd/golangci-lint@v1.51.2
@@ -51,6 +51,13 @@ function test_license_header {
   "${files[@]}"
 }
 
+function test_require_error_is_no_funcs_as_params {
+  if grep -R -zo -P 'require.ErrorIs\(.+?\)[^\n]*\)\n' .; then
+    echo ""
+    return 1
+  fi
+}
+
 function run {
   local test="${1}"
   shift 1

snow/choices/status_test.go

@@ -17,7 +17,8 @@ func TestStatusValid(t *testing.T) {
 	require.NoError(Rejected.Valid())
 	require.NoError(Processing.Valid())
 	require.NoError(Unknown.Valid())
-	require.ErrorIs(Status(math.MaxInt32).Valid(), errUnknownStatus)
+	err := Status(math.MaxInt32).Valid()
+	require.ErrorIs(err, errUnknownStatus)
 }
 
 func TestStatusDecided(t *testing.T) {

snow/consensus/snowman/consensus_test.go

@@ -1751,7 +1751,8 @@ func ErrorOnAddDecidedBlock(t *testing.T, factory Factory) {
 		ParentV: Genesis.IDV,
 		HeightV: Genesis.HeightV + 1,
 	}
-	require.ErrorIs(sm.Add(context.Background(), block0), errDuplicateAdd)
+	err := sm.Add(context.Background(), block0)
+	require.ErrorIs(err, errDuplicateAdd)
 }
 
 func ErrorOnAddDuplicateBlockID(t *testing.T, factory Factory) {
@@ -1789,7 +1790,8 @@ func ErrorOnAddDuplicateBlockID(t *testing.T, factory Factory) {
 	}
 
 	require.NoError(sm.Add(context.Background(), block0))
-	require.ErrorIs(sm.Add(context.Background(), block1), errDuplicateAdd)
+	err := sm.Add(context.Background(), block1)
+	require.ErrorIs(err, errDuplicateAdd)
 }
 
 func gatherCounterGauge(t *testing.T, reg *prometheus.Registry) map[string]float64 {

vms/platformvm/blocks/executor/standard_block_test.go

@@ -264,7 +264,8 @@ func TestBanffStandardBlockTimeVerification(t *testing.T) {
 		)
 		require.NoError(err)
 		block := env.blkManager.NewBlock(banffChildBlk)
-		require.ErrorIs(block.Verify(context.Background()), errBanffStandardBlockWithoutChanges)
+		err = block.Verify(context.Background())
+		require.ErrorIs(err, errBanffStandardBlockWithoutChanges)
 	}
 
 	{

vms/platformvm/signer/proof_of_possession_test.go

@@ -22,17 +22,20 @@ func TestProofOfPossession(t *testing.T) {
 	blsPOP, err = newProofOfPossession()
 	require.NoError(err)
 	blsPOP.ProofOfPossession = [bls.SignatureLen]byte{}
-	require.ErrorIs(blsPOP.Verify(), bls.ErrFailedSignatureDecompress)
+	err = blsPOP.Verify()
+	require.ErrorIs(err, bls.ErrFailedSignatureDecompress)
 
 	blsPOP, err = newProofOfPossession()
 	require.NoError(err)
 	blsPOP.PublicKey = [bls.PublicKeyLen]byte{}
-	require.ErrorIs(blsPOP.Verify(), bls.ErrFailedPublicKeyDecompress)
+	err = blsPOP.Verify()
+	require.ErrorIs(err, bls.ErrFailedPublicKeyDecompress)
 
 	newBLSPOP, err := newProofOfPossession()
 	require.NoError(err)
 	newBLSPOP.ProofOfPossession = blsPOP.ProofOfPossession
-	require.ErrorIs(newBLSPOP.Verify(), errInvalidProofOfPossession)
+	err = newBLSPOP.Verify()
+	require.ErrorIs(err, errInvalidProofOfPossession)
 }
 
 func TestNewProofOfPossessionDeterministic(t *testing.T) {

vms/platformvm/txs/add_delegator_test.go

@@ -34,10 +34,12 @@ func TestAddDelegatorTxSyntacticVerify(t *testing.T) {
 	)
 
 	// Case : signed tx is nil
-	require.ErrorIs(stx.SyntacticVerify(ctx), ErrNilSignedTx)
+	err = stx.SyntacticVerify(ctx)
+	require.ErrorIs(err, ErrNilSignedTx)
 
 	// Case : unsigned tx is nil
-	require.ErrorIs(addDelegatorTx.SyntacticVerify(ctx), ErrNilTx)
+	err = addDelegatorTx.SyntacticVerify(ctx)
+	require.ErrorIs(err, ErrNilTx)
 
 	validatorWeight := uint64(2022)
 	inputs := []*avax.TransferableInput{{
@@ -98,7 +100,8 @@ func TestAddDelegatorTxSyntacticVerify(t *testing.T) {
 
 	// Case: signed tx not initialized
 	stx = &Tx{Unsigned: addDelegatorTx}
-	require.ErrorIs(stx.SyntacticVerify(ctx), errSignedTxNotInitialized)
+	err = stx.SyntacticVerify(ctx)
+	require.ErrorIs(err, errSignedTxNotInitialized)
 
 	// Case: valid tx
 	stx, err = NewSigned(addDelegatorTx, Codec, signers)
@@ -119,7 +122,8 @@ func TestAddDelegatorTxSyntacticVerify(t *testing.T) {
 	addDelegatorTx.Wght = 2 * validatorWeight
 	stx, err = NewSigned(addDelegatorTx, Codec, signers)
 	require.NoError(err)
-	require.ErrorIs(stx.SyntacticVerify(ctx), errDelegatorWeightMismatch)
+	err = stx.SyntacticVerify(ctx)
+	require.ErrorIs(err, errDelegatorWeightMismatch)
 	addDelegatorTx.Wght = validatorWeight
 }
 

vms/platformvm/txs/add_subnet_validator_test.go

@@ -32,10 +32,12 @@ func TestAddSubnetValidatorTxSyntacticVerify(t *testing.T) {
 	)
 
 	// Case : signed tx is nil
-	require.ErrorIs(stx.SyntacticVerify(ctx), ErrNilSignedTx)
+	err = stx.SyntacticVerify(ctx)
+	require.ErrorIs(err, ErrNilSignedTx)
 
 	// Case : unsigned tx is nil
-	require.ErrorIs(addSubnetValidatorTx.SyntacticVerify(ctx), ErrNilTx)
+	err = addSubnetValidatorTx.SyntacticVerify(ctx)
+	require.ErrorIs(err, ErrNilTx)
 
 	validatorWeight := uint64(2022)
 	subnetID := ids.ID{'s', 'u', 'b', 'n', 'e', 't', 'I', 'D'}

vms/platformvm/txs/add_validator_test.go

@@ -33,10 +33,12 @@ func TestAddValidatorTxSyntacticVerify(t *testing.T) {
 	)
 
 	// Case : signed tx is nil
-	require.ErrorIs(stx.SyntacticVerify(ctx), ErrNilSignedTx)
+	err = stx.SyntacticVerify(ctx)
+	require.ErrorIs(err, ErrNilSignedTx)
 
 	// Case : unsigned tx is nil
-	require.ErrorIs(addValidatorTx.SyntacticVerify(ctx), ErrNilTx)
+	err = addValidatorTx.SyntacticVerify(ctx)
+	require.ErrorIs(err, ErrNilTx)
 
 	validatorWeight := uint64(2022)
 	rewardAddress := preFundedKeys[0].PublicKey().Address()

vms/platformvm/txs/executor/reward_validator_test.go

@@ -58,7 +58,8 @@ func TestRewardValidatorTxExecuteOnCommit(t *testing.T) {
 		Backend:       &env.backend,
 		Tx:            tx,
 	}
-	require.ErrorIs(tx.Unsigned.Visit(&txExecutor), ErrRemoveStakerTooEarly)
+	err = tx.Unsigned.Visit(&txExecutor)
+	require.ErrorIs(err, ErrRemoveStakerTooEarly)
 
 	// Advance chain timestamp to time that next validator leaves
 	env.state.SetTimestamp(stakerToRemove.EndTime)
@@ -79,7 +80,8 @@ func TestRewardValidatorTxExecuteOnCommit(t *testing.T) {
 		Backend:       &env.backend,
 		Tx:            tx,
 	}
-	require.ErrorIs(tx.Unsigned.Visit(&txExecutor), ErrRemoveWrongStaker)
+	err = tx.Unsigned.Visit(&txExecutor)
+	require.ErrorIs(err, ErrRemoveWrongStaker)
 
 	// Case 3: Happy path
 	tx, err = env.txBuilder.NewRewardValidatorTx(stakerToRemove.TxID)
@@ -159,7 +161,8 @@ func TestRewardValidatorTxExecuteOnAbort(t *testing.T) {
 		Backend:       &env.backend,
 		Tx:            tx,
 	}
-	require.ErrorIs(tx.Unsigned.Visit(&txExecutor), ErrRemoveStakerTooEarly)
+	err = tx.Unsigned.Visit(&txExecutor)
+	require.ErrorIs(err, ErrRemoveStakerTooEarly)
 
 	// Advance chain timestamp to time that next validator leaves
 	env.state.SetTimestamp(stakerToRemove.EndTime)
@@ -174,7 +177,8 @@ func TestRewardValidatorTxExecuteOnAbort(t *testing.T) {
 		Backend:       &env.backend,
 		Tx:            tx,
 	}
-	require.ErrorIs(tx.Unsigned.Visit(&txExecutor), ErrRemoveWrongStaker)
+	err = tx.Unsigned.Visit(&txExecutor)
+	require.ErrorIs(err, ErrRemoveWrongStaker)
 
 	// Case 3: Happy path
 	tx, err = env.txBuilder.NewRewardValidatorTx(stakerToRemove.TxID)

vms/platformvm/txs/subnet_validator_test.go

@@ -21,7 +21,8 @@ func TestSubnetValidatorVerifySubnetID(t *testing.T) {
 			Subnet: constants.PrimaryNetworkID,
 		}
 
-		require.ErrorIs(vdr.Verify(), errBadSubnetID)
+		err := vdr.Verify()
+		require.ErrorIs(err, errBadSubnetID)
 	}
 
 	// Happy path

vms/proposervm/state_syncable_vm_test.go

@@ -610,9 +610,10 @@ func TestNoStateSummariesServedWhileRepairingHeightIndex(t *testing.T) {
 
 	// set height index to reindexing
 	proVM.hIndexer.MarkRepaired(false)
-	require.ErrorIs(proVM.VerifyHeightIndex(context.Background()), block.ErrIndexIncomplete)
+	err := proVM.VerifyHeightIndex(context.Background())
+	require.ErrorIs(err, block.ErrIndexIncomplete)
 
-	_, err := proVM.GetLastStateSummary(context.Background())
+	_, err = proVM.GetLastStateSummary(context.Background())
 	require.ErrorIs(err, block.ErrIndexIncomplete)
 
 	_, err = proVM.GetStateSummary(context.Background(), summaryHeight)

vms/registry/vm_registerer_test.go

@@ -33,7 +33,8 @@ func TestRegisterRegisterVMFails(t *testing.T) {
 	// We fail to register the VM
 	resources.mockManager.EXPECT().RegisterFactory(gomock.Any(), id, vmFactory).Times(1).Return(errTest)
 
-	require.ErrorIs(t, resources.registerer.Register(context.Background(), id, vmFactory), errTest)
+	err := resources.registerer.Register(context.Background(), id, vmFactory)
+	require.ErrorIs(t, err, errTest)
 }
 
 // Tests Register if a VM doesn't actually implement VM.
@@ -48,7 +49,8 @@ func TestRegisterBadVM(t *testing.T) {
 	// Since this factory produces a bad vm, we should get an error.
 	vmFactory.EXPECT().New(logging.NoLog{}).Times(1).Return(vm, nil)
 
-	require.ErrorIs(t, resources.registerer.Register(context.Background(), id, vmFactory), errNotVM)
+	err := resources.registerer.Register(context.Background(), id, vmFactory)
+	require.ErrorIs(t, err, errNotVM)
 }
 
 // Tests Register if creating endpoints for a VM fails + shutdown fails
@@ -65,7 +67,8 @@ func TestRegisterCreateHandlersAndShutdownFails(t *testing.T) {
 	vm.EXPECT().CreateStaticHandlers(gomock.Any()).Return(nil, errTest).Times(1)
 	vm.EXPECT().Shutdown(gomock.Any()).Return(errTest).Times(1)
 
-	require.ErrorIs(t, resources.registerer.Register(context.Background(), id, vmFactory), errTest)
+	err := resources.registerer.Register(context.Background(), id, vmFactory)
+	require.ErrorIs(t, err, errTest)
 }
 
 // Tests Register if creating endpoints for a VM fails + shutdown succeeds
@@ -82,7 +85,8 @@ func TestRegisterCreateHandlersFails(t *testing.T) {
 	vm.EXPECT().CreateStaticHandlers(gomock.Any()).Return(nil, errTest).Times(1)
 	vm.EXPECT().Shutdown(gomock.Any()).Return(nil).Times(1)
 
-	require.ErrorIs(t, resources.registerer.Register(context.Background(), id, vmFactory), errTest)
+	err := resources.registerer.Register(context.Background(), id, vmFactory)
+	require.ErrorIs(t, err, errTest)
 }
 
 // Tests Register if we fail to register the new endpoint on the server.
@@ -111,7 +115,8 @@ func TestRegisterAddRouteFails(t *testing.T) {
 		Times(1).
 		Return(errTest)
 
-	require.ErrorIs(t, resources.registerer.Register(context.Background(), id, vmFactory), errTest)
+	err := resources.registerer.Register(context.Background(), id, vmFactory)
+	require.ErrorIs(t, err, errTest)
 }
 
 // Tests Register we can't find the alias for the newly registered vm
@@ -141,7 +146,8 @@ func TestRegisterAliasLookupFails(t *testing.T) {
 		Return(nil)
 	resources.mockManager.EXPECT().Aliases(id).Times(1).Return(nil, errTest)
 
-	require.ErrorIs(t, resources.registerer.Register(context.Background(), id, vmFactory), errTest)
+	err := resources.registerer.Register(context.Background(), id, vmFactory)
+	require.ErrorIs(t, err, errTest)
 }
 
 // Tests Register if adding aliases for the newly registered vm fails
@@ -179,7 +185,8 @@ func TestRegisterAddAliasesFails(t *testing.T) {
 		).
 		Return(errTest)
 
-	require.ErrorIs(t, resources.registerer.Register(context.Background(), id, vmFactory), errTest)
+	err := resources.registerer.Register(context.Background(), id, vmFactory)
+	require.ErrorIs(t, err, errTest)
 }
 
 // Tests Register if no errors are thrown
@@ -230,7 +237,8 @@ func TestRegisterWithReadLockRegisterVMFails(t *testing.T) {
 	// We fail to register the VM
 	resources.mockManager.EXPECT().RegisterFactory(gomock.Any(), id, vmFactory).Times(1).Return(errTest)
 
-	require.ErrorIs(t, resources.registerer.RegisterWithReadLock(context.Background(), id, vmFactory), errTest)
+	err := resources.registerer.RegisterWithReadLock(context.Background(), id, vmFactory)
+	require.ErrorIs(t, err, errTest)
 }
 
 // Tests RegisterWithReadLock if a VM doesn't actually implement VM.
@@ -245,7 +253,8 @@ func TestRegisterWithReadLockBadVM(t *testing.T) {
 	// Since this factory produces a bad vm, we should get an error.
 	vmFactory.EXPECT().New(logging.NoLog{}).Times(1).Return(vm, nil)
 
-	require.ErrorIs(t, resources.registerer.RegisterWithReadLock(context.Background(), id, vmFactory), errNotVM)
+	err := resources.registerer.RegisterWithReadLock(context.Background(), id, vmFactory)
+	require.ErrorIs(t, err, errNotVM)
 }
 
 // Tests RegisterWithReadLock if creating endpoints for a VM fails + shutdown fails
@@ -262,7 +271,8 @@ func TestRegisterWithReadLockCreateHandlersAndShutdownFails(t *testing.T) {
 	vm.EXPECT().CreateStaticHandlers(gomock.Any()).Return(nil, errTest).Times(1)
 	vm.EXPECT().Shutdown(gomock.Any()).Return(errTest).Times(1)
 
-	require.ErrorIs(t, resources.registerer.RegisterWithReadLock(context.Background(), id, vmFactory), errTest)
+	err := resources.registerer.RegisterWithReadLock(context.Background(), id, vmFactory)
+	require.ErrorIs(t, err, errTest)
 }
 
 // Tests RegisterWithReadLock if creating endpoints for a VM fails + shutdown succeeds
@@ -279,7 +289,8 @@ func TestRegisterWithReadLockCreateHandlersFails(t *testing.T) {
 	vm.EXPECT().CreateStaticHandlers(gomock.Any()).Return(nil, errTest).Times(1)
 	vm.EXPECT().Shutdown(gomock.Any()).Return(nil).Times(1)
 
-	require.ErrorIs(t, resources.registerer.RegisterWithReadLock(context.Background(), id, vmFactory), errTest)
+	err := resources.registerer.RegisterWithReadLock(context.Background(), id, vmFactory)
+	require.ErrorIs(t, err, errTest)
 }
 
 // Tests RegisterWithReadLock if we fail to register the new endpoint on the server.
@@ -308,7 +319,8 @@ func TestRegisterWithReadLockAddRouteWithReadLockFails(t *testing.T) {
 		Times(1).
 		Return(errTest)
 
-	require.ErrorIs(t, resources.registerer.RegisterWithReadLock(context.Background(), id, vmFactory), errTest)
+	err := resources.registerer.RegisterWithReadLock(context.Background(), id, vmFactory)
+	require.ErrorIs(t, err, errTest)
 }
 
 // Tests RegisterWithReadLock we can't find the alias for the newly registered vm
@@ -338,7 +350,8 @@ func TestRegisterWithReadLockAliasLookupFails(t *testing.T) {
 		Return(nil)
 	resources.mockManager.EXPECT().Aliases(id).Times(1).Return(nil, errTest)
 
-	require.ErrorIs(t, resources.registerer.RegisterWithReadLock(context.Background(), id, vmFactory), errTest)
+	err := resources.registerer.RegisterWithReadLock(context.Background(), id, vmFactory)
+	require.ErrorIs(t, err, errTest)
 }
 
 // Tests RegisterWithReadLock if adding aliases for the newly registered vm fails
@@ -376,7 +389,8 @@ func TestRegisterWithReadLockAddAliasesFails(t *testing.T) {
 		).
 		Return(errTest)
 
-	require.ErrorIs(t, resources.registerer.RegisterWithReadLock(context.Background(), id, vmFactory), errTest)
+	err := resources.registerer.RegisterWithReadLock(context.Background(), id, vmFactory)
+	require.ErrorIs(t, err, errTest)
 }
 
 // Tests RegisterWithReadLock if no errors are thrown

vms/secp256k1fx/credential_test.go

@@ -23,7 +23,8 @@ func TestCredentialVerify(t *testing.T) {
 func TestCredentialVerifyNil(t *testing.T) {
 	require := require.New(t)
 	cred := (*Credential)(nil)
-	require.ErrorIs(cred.Verify(), ErrNilCredential)
+	err := cred.Verify()
+	require.ErrorIs(err, ErrNilCredential)
 }
 
 func TestCredentialSerialize(t *testing.T) {