[FAB-4134] Consolidate unit-test support config

Peer code contains 5 different config.go as support configuration
for unit-tests in various packages. This changeset refactor and
consolidate them into 1 module.

Change-Id: I56866dbce1330a9a00a08f8820a16f8c75c48691
Signed-off-by: Binh Q. Nguyen <[email protected]>

Author: binhn

core/chaincode/config.go

@@ -17,6 +17,7 @@ limitations under the License.
 package chaincode
 
 import (
+	"flag"
 	"fmt"
 	"math/rand"
 	"net"
@@ -33,6 +34,7 @@ import (
 
 	"github.com/golang/protobuf/proto"
 
+	"github.com/hyperledger/fabric/bccsp/factory"
 	mockpolicies "github.com/hyperledger/fabric/common/mocks/policies"
 	"github.com/hyperledger/fabric/common/policies"
 	"github.com/hyperledger/fabric/common/util"
@@ -45,6 +47,7 @@ import (
 	"github.com/hyperledger/fabric/core/peer"
 	"github.com/hyperledger/fabric/core/policy"
 	"github.com/hyperledger/fabric/core/scc"
+	"github.com/hyperledger/fabric/core/testutil"
 	pb "github.com/hyperledger/fabric/protos/peer"
 	putils "github.com/hyperledger/fabric/protos/utils"
 
@@ -1782,10 +1785,38 @@ func TestMain(m *testing.M) {
 		return
 	}
 
-	SetupTestConfig()
+	setupTestConfig()
 	os.Exit(m.Run())
 }
 
+func setupTestConfig() {
+	flag.Parse()
+
+	// Now set the configuration file
+	viper.SetEnvPrefix("CORE")
+	viper.AutomaticEnv()
+	replacer := strings.NewReplacer(".", "_")
+	viper.SetEnvKeyReplacer(replacer)
+	viper.SetConfigName("chaincodetest") // name of config file (without extension)
+	viper.AddConfigPath("./")            // path to look for the config file in
+	err := viper.ReadInConfig()          // Find and read the config file
+	if err != nil {                      // Handle errors reading the config file
+		panic(fmt.Errorf("Fatal error config file: %s \n", err))
+	}
+
+	testutil.SetupTestLogging()
+
+	// Set the number of maxprocs
+	var numProcsDesired = viper.GetInt("peer.gomaxprocs")
+	chaincodeLogger.Debugf("setting Number of procs to %d, was %d\n", numProcsDesired, runtime.GOMAXPROCS(2))
+
+	// Init the BCCSP
+	err = factory.InitFactories(nil)
+	if err != nil {
+		panic(fmt.Errorf("Could not initialize BCCSP Factories [%s]", err))
+	}
+}
+
 func deployChaincode(ctx context.Context, name string, version string, chaincodeType pb.ChaincodeSpec_Type, path string, args [][]byte, creator []byte, channel string, nextBlockNumber uint64) ([]byte, *ccprovider.CCContext, error) {
 	chaincodeSpec := &pb.ChaincodeSpec{
 		ChaincodeId: &pb.ChaincodeID{

core/chaincode/exectransaction_test.go

@@ -54,8 +54,8 @@ func TestHostConfig(t *testing.T) {
 }
 
 func TestGetDockerHostConfig(t *testing.T) {
-	os.Setenv("HYPERLEDGER_VM_DOCKER_HOSTCONFIG_NETWORKMODE", "overlay")
-	os.Setenv("HYPERLEDGER_VM_DOCKER_HOSTCONFIG_CPUSHARES", fmt.Sprint(1024*1024*1024*2))
+	os.Setenv("CORE_VM_DOCKER_HOSTCONFIG_NETWORKMODE", "overlay")
+	os.Setenv("CORE_VM_DOCKER_HOSTCONFIG_CPUSHARES", fmt.Sprint(1024*1024*1024*2))
 	coreutil.SetupTestConfig()
 	hostConfig := getDockerHostConfig()
 	testutil.AssertNotNil(t, hostConfig)

core/container/config.go

@@ -22,6 +22,7 @@ import (
 	"testing"
 
 	"github.com/hyperledger/fabric/common/util"
+	"github.com/hyperledger/fabric/core/testutil"
 	pb "github.com/hyperledger/fabric/protos/peer"
 	"github.com/stretchr/testify/assert"
 	"golang.org/x/net/context"
@@ -30,7 +31,7 @@ import (
 func TestMain(m *testing.M) {
 	flag.BoolVar(&runTests, "run-controller-tests", false, "run tests")
 	flag.Parse()
-	SetupTestConfig()
+	testutil.SetupTestConfig()
 	os.Exit(m.Run())
 }