[FAB-9574] Sub interfaces Integration Test

	Testing EndpointConfig interface override with
	sub interfaces

	Also added localhost URLs in Orderer/Peer/CA configs to
	test local (TEST_LOCAL=true)

	Also added integration tests fixes for Fabric v1.2

Change-Id: I93c8f73aaac3b36279fa1f785229d475d68fbf2f
Signed-off-by: Baha Shaaban <baha.shaaban@securekey.com>

pkg/fab/endpointconfig.go

@@ -461,7 +461,7 @@ func (c *EndpointConfig) ChannelOrderers(name string) ([]fab.OrdererConfig, erro
 }
 
 // TLSCACertPool returns the configured cert pool. If a certConfig
-// is provided, the certficate is added to the pool
+// is provided, the certificate is added to the pool
 func (c *EndpointConfig) TLSCACertPool(certs ...*x509.Certificate) (*x509.CertPool, error) {
 	return c.tlsCertPool.Get(certs...)
 }

test/fixtures/config/config_test_crypto_bccsp.yaml

@@ -0,0 +1,43 @@
+#
+# Copyright SecureKey Technologies Inc. All Rights Reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+#
+# The network connection profile provides client applications the information about the target
+# blockchain network that are necessary for the applications to interact with it. These are all
+# knowledge that must be acquired from out-of-band sources. This file provides such a source.
+#
+
+
+#
+# Schema version of the content. Used by the SDK to apply the corresponding parsing rules.
+#
+version: 1.0.0
+
+#
+# The client section used by GO SDK.
+#
+client:
+  # Some SDKs support pluggable KV stores, the properties under "credentialStore"
+  # are implementation specific
+  credentialStore:
+    # [Optional]. Used by user store. Not needed if all credentials are embedded in configuration
+    # and enrollments are performed elswhere.
+    path: "/tmp/state-store"
+
+    # [Optional]. Specific to the CryptoSuite implementation used by GO SDK. Software-based implementations
+    # requiring a key store. PKCS#11 based implementations does not.
+    cryptoStore:
+      # Specific to the underlying KeyValueStore that backs the crypto key store.
+      path: /tmp/msp
+
+   # BCCSP config for the client. Used by GO SDK.
+  BCCSP:
+    security:
+     enabled: true
+     default:
+      provider: "SW"
+     hashAlgorithm: "SHA2"
+     softVerify: true
+     level: 256

test/integration/e2e/configless/end_to_end_test.go

@@ -0,0 +1,34 @@
+/*
+Copyright SecureKey Technologies Inc. All Rights Reserved.
+
+SPDX-License-Identifier: Apache-2.0
+*/
+
+package configless
+
+import (
+	"testing"
+
+	"github.com/hyperledger/fabric-sdk-go/pkg/core/config"
+	"github.com/hyperledger/fabric-sdk-go/pkg/fabsdk"
+	"github.com/hyperledger/fabric-sdk-go/test/integration/e2e"
+)
+
+// this test mimics the original e2e test with the difference of injecting EndpointConfig interface functions implementations
+// to programmatically supply configs instead of using a yaml file. With this change, application developers can fetch
+// configs from any source as long as they provide their own implementations.
+
+func TestE2E(t *testing.T) {
+	configPath := "../../../fixtures/config/config_test_crypto_bccsp.yaml"
+	//Using same Run call as e2e package but with programmatically overriding interfaces
+	e2e.RunWithoutSetup(t, config.FromFile(configPath),
+		fabsdk.WithConfigEndpoint(endpointConfigImpls...))
+
+	// TODO test with below line once IdentityConfig and CryptoConfig are split into
+	// TODO sub interfaces like EndpointConfig and pass them in like WithConfigEndpoint,
+	// TODO this will allow to test overriding all config interfaces without the need of a config file
+	// TODO maybe add config.BareBone() in the SDK to get a configProvider without a config file instead
+	// TODO of passing in an empty file as in below comment
+	// use an empty config file to fully depend on injected EndpointConfig interfaces
+	//configPath = "../../../pkg/core/config/testdata/viper-test.yaml"
+}