feat(tokens): achieve 80%+ unit test coverage for tokens service

token/services/tokens/manager_test.go

@@ -0,0 +1,51 @@
+/*
+Copyright IBM Corp. All Rights Reserved.
+
+SPDX-License-Identifier: Apache-2.0
+*/
+
+package tokens
+
+import (
+	"testing"
+
+	"github.com/hyperledger-labs/fabric-token-sdk/token"
+	"github.com/hyperledger-labs/fabric-token-sdk/token/services/storage/tokendb"
+	"github.com/test-go/testify/assert"
+	"github.com/test-go/testify/require"
+)
+
+func TestServiceManager(t *testing.T) {
+	tmsID := token.TMSID{Network: "net", Channel: "ch", Namespace: "ns"}
+	mockTMSProv := &mockTMSProvider{}
+	mockStoreServProv := &mockStoreServiceManager{
+		StoreServiceByTMSIdReturns: &tokendb.StoreService{TokenStore: &mockTokenDB{}},
+	}
+	mockNetProv := &mockNetworkProvider{}
+	mockPub := &mockPublisher{}
+
+	manager := NewServiceManager(mockTMSProv, mockStoreServProv, mockNetProv, mockPub)
+	require.NotNil(t, manager)
+
+	// Test ServiceByTMSId
+	service, err := manager.ServiceByTMSId(tmsID)
+	require.NoError(t, err)
+	assert.NotNil(t, service)
+	assert.Equal(t, mockTMSProv, service.TMSProvider)
+	assert.Equal(t, mockNetProv, service.NetworkProvider)
+
+	// Test GetService helper
+	sp := &mockServiceProvider{
+		GetServiceReturns: manager,
+	}
+	service2, err := GetService(sp, tmsID)
+	require.NoError(t, err)
+	assert.Equal(t, service, service2)
+
+	// Test GetService error
+	spErr := &mockServiceProvider{
+		GetServiceError: assert.AnError,
+	}
+	_, err = GetService(spErr, tmsID)
+	assert.Error(t, err)
+}