test(config): add unit tests for Configuration (#1543)

Signed-off-by: Siddhi Khandelwal <siddhi.200727@gmail.com>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: sid200727

token/services/config/configuration_test.go

@@ -0,0 +1,106 @@
+/*
+Copyright IBM Corp. All Rights Reserved.
+
+SPDX-License-Identifier: Apache-2.0
+*/
+
+package config
+
+import (
+	"testing"
+
+	fscconfig "github.com/hyperledger-labs/fabric-smart-client/platform/view/services/config"
+	"github.com/hyperledger-labs/fabric-token-sdk/token"
+	"github.com/hyperledger-labs/fabric-token-sdk/token/driver"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func newTestConfiguration(t *testing.T) *Configuration {
+	t.Helper()
+	cp, err := fscconfig.NewProvider("./testdata/token0")
+	require.NoError(t, err)
+
+	return NewConfiguration(cp, "n1c1ns1", driver.TMSID{
+		Network:   "n1",
+		Channel:   "c1",
+		Namespace: "ns1",
+	})
+}
+
+func TestConfiguration_ID(t *testing.T) {
+	c := newTestConfiguration(t)
+	id := c.ID()
+	assert.Equal(t, "n1", id.Network)
+	assert.Equal(t, "c1", id.Channel)
+	assert.Equal(t, "ns1", id.Namespace)
+}
+
+func TestConfiguration_Validate_Valid(t *testing.T) {
+	c := newTestConfiguration(t)
+	assert.NoError(t, c.Validate())
+}
+
+func TestConfiguration_Validate_MissingNetwork(t *testing.T) {
+	cp, err := fscconfig.NewProvider("./testdata/token0")
+	require.NoError(t, err)
+	c := NewConfiguration(cp, "n1c1ns1", driver.TMSID{
+		Channel:   "c1",
+		Namespace: "ns1",
+	})
+	assert.Error(t, c.Validate())
+}
+
+func TestConfiguration_Validate_MissingNamespace(t *testing.T) {
+	cp, err := fscconfig.NewProvider("./testdata/token0")
+	require.NoError(t, err)
+	c := NewConfiguration(cp, "n1c1ns1", driver.TMSID{
+		Network: "n1",
+		Channel: "c1",
+	})
+	assert.Error(t, c.Validate())
+}
+
+func TestConfiguration_GetString(t *testing.T) {
+	c := newTestConfiguration(t)
+	val := c.GetString("network")
+	assert.Equal(t, "n1", val)
+}
+
+func TestConfiguration_GetBool(t *testing.T) {
+	cp, err := fscconfig.NewProvider("./testdata/token0")
+	require.NoError(t, err)
+	c := NewConfiguration(cp, "n1c1ns1", driver.TMSID{
+		Network:   "n1",
+		Channel:   "c1",
+		Namespace: "ns1",
+	})
+	// non-existent bool key returns false
+	assert.False(t, c.GetBool("nonexistent"))
+}
+
+func TestConfiguration_IsSet(t *testing.T) {
+	c := newTestConfiguration(t)
+	assert.True(t, c.IsSet("network"))
+	assert.False(t, c.IsSet("nonexistent_key_xyz"))
+}
+
+func TestConfiguration_TranslatePath(t *testing.T) {
+	c := newTestConfiguration(t)
+	result := c.TranslatePath("some/path")
+	assert.NotEmpty(t, result)
+}
+
+func TestConfiguration_Serialize(t *testing.T) {
+	c := newTestConfiguration(t)
+	raw, err := c.Serialize(token.TMSID{
+		Network:   "new_network",
+		Channel:   "new_channel",
+		Namespace: "new_namespace",
+	})
+	require.NoError(t, err)
+	assert.NotEmpty(t, raw)
+	assert.Contains(t, string(raw), "new_network")
+	assert.Contains(t, string(raw), "new_channel")
+	assert.Contains(t, string(raw), "new_namespace")
+}