[FAB-8658] peer mock functions to separate file

Production and test should not be co-mingled in the same files.

The mock initialization functions are currently referenced by code
outside of the peer package and can't be moved to an _test.go file
right now without introducing compilation errors.

Change-Id: I179c21f9268d464b4a8d583066e5f122b2141dc4
Signed-off-by: Matthew Sykes <sykesmat@us.ibm.com>

core/peer/mock_helpers.go

@@ -0,0 +1,55 @@
+/*
+Copyright IBM Corp. All Rights Reserved.
+
+SPDX-License-Identifier: Apache-2.0
+*/
+
+package peer
+
+import (
+	configtxtest "github.com/hyperledger/fabric/common/configtx/test"
+	mockchannelconfig "github.com/hyperledger/fabric/common/mocks/config"
+	mockconfigtx "github.com/hyperledger/fabric/common/mocks/configtx"
+	mockpolicies "github.com/hyperledger/fabric/common/mocks/policies"
+	"github.com/hyperledger/fabric/core/ledger"
+	"github.com/hyperledger/fabric/core/ledger/ledgermgmt"
+)
+
+//MockInitialize resets chains for test env
+func MockInitialize() {
+	ledgermgmt.InitializeTestEnvWithCustomProcessors(ConfigTxProcessors)
+	chains.list = nil
+	chains.list = make(map[string]*chain)
+	chainInitializer = func(string) { return }
+}
+
+// MockCreateChain used for creating a ledger for a chain for tests
+// without having to join
+func MockCreateChain(cid string) error {
+	var ledger ledger.PeerLedger
+	var err error
+
+	if ledger = GetLedger(cid); ledger == nil {
+		gb, _ := configtxtest.MakeGenesisBlock(cid)
+		if ledger, err = ledgermgmt.CreateLedger(gb); err != nil {
+			return err
+		}
+	}
+
+	chains.Lock()
+	defer chains.Unlock()
+
+	chains.list[cid] = &chain{
+		cs: &chainSupport{
+			Resources: &mockchannelconfig.Resources{
+				PolicyManagerVal: &mockpolicies.Manager{
+					Policy: &mockpolicies.Policy{},
+				},
+				ConfigtxValidatorVal: &mockconfigtx.Validator{},
+			},
+			ledger: ledger,
+		},
+	}
+
+	return nil
+}

core/peer/peer.go

@@ -15,15 +15,11 @@ import (
 	"github.com/hyperledger/fabric/common/channelconfig"
 	cc "github.com/hyperledger/fabric/common/config"
 	"github.com/hyperledger/fabric/common/configtx"
-	configtxtest "github.com/hyperledger/fabric/common/configtx/test"
 	"github.com/hyperledger/fabric/common/deliver"
 	"github.com/hyperledger/fabric/common/flogging"
 	commonledger "github.com/hyperledger/fabric/common/ledger"
 	"github.com/hyperledger/fabric/common/ledger/blockledger"
-	"github.com/hyperledger/fabric/common/ledger/blockledger/file"
-	mockchannelconfig "github.com/hyperledger/fabric/common/mocks/config"
-	mockconfigtx "github.com/hyperledger/fabric/common/mocks/configtx"
-	mockpolicies "github.com/hyperledger/fabric/common/mocks/policies"
+	fileledger "github.com/hyperledger/fabric/common/ledger/blockledger/file"
 	"github.com/hyperledger/fabric/common/policies"
 	"github.com/hyperledger/fabric/common/resourcesconfig"
 	"github.com/hyperledger/fabric/core/comm"
@@ -169,14 +165,6 @@ var chains = struct {
 	list map[string]*chain
 }{list: make(map[string]*chain)}
 
-//MockInitialize resets chains for test env
-func MockInitialize() {
-	ledgermgmt.InitializeTestEnvWithCustomProcessors(ConfigTxProcessors)
-	chains.list = nil
-	chains.list = make(map[string]*chain)
-	chainInitializer = func(string) { return }
-}
-
 var chainInitializer func(string)
 
 var mockMSPIDGetter func(string) []string
@@ -436,36 +424,6 @@ func CreateChainFromBlock(cb *common.Block) error {
 	return createChain(cid, l, cb)
 }
 
-// MockCreateChain used for creating a ledger for a chain for tests
-// without having to join
-func MockCreateChain(cid string) error {
-	var ledger ledger.PeerLedger
-	var err error
-
-	if ledger = GetLedger(cid); ledger == nil {
-		gb, _ := configtxtest.MakeGenesisBlock(cid)
-		if ledger, err = ledgermgmt.CreateLedger(gb); err != nil {
-			return err
-		}
-	}
-
-	chains.Lock()
-	defer chains.Unlock()
-
-	chains.list[cid] = &chain{
-		cs: &chainSupport{
-			Resources: &mockchannelconfig.Resources{
-				PolicyManagerVal: &mockpolicies.Manager{
-					Policy: &mockpolicies.Policy{},
-				},
-				ConfigtxValidatorVal: &mockconfigtx.Validator{},
-			},
-			ledger: ledger},
-	}
-
-	return nil
-}
-
 // GetLedger returns the ledger of the chain with chain ID. Note that this
 // call returns nil if chain cid has not been created.
 func GetLedger(cid string) ledger.PeerLedger {

core/peer/pkg_test.go

@@ -46,7 +46,6 @@ func (tss *testServiceServer) EmptyCall(context.Context, *testpb.Empty) (*testpb
 
 // createCertPool creates an x509.CertPool from an array of PEM-encoded certificates
 func createCertPool(rootCAs [][]byte) (*x509.CertPool, error) {
-
 	certPool := x509.NewCertPool()
 	for _, rootCA := range rootCAs {
 		if !certPool.AppendCertsFromPEM(rootCA) {
@@ -58,7 +57,6 @@ func createCertPool(rootCAs [][]byte) (*x509.CertPool, error) {
 
 // helper function to invoke the EmptyCall againt the test service
 func invokeEmptyCall(address string, dialOptions []grpc.DialOption) (*testpb.Empty, error) {
-
 	//add DialOptions
 	dialOptions = append(dialOptions, grpc.WithBlock())
 	ctx := context.Background()