[#577] cmd/node: Add node section to config

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>

cmd/neofs-node/config/node/config_test.go

@@ -0,0 +1,64 @@
+package nodeconfig
+
+import (
+	"testing"
+
+	"github.com/nspcc-dev/neofs-node/cmd/neofs-node/config"
+	configtest "github.com/nspcc-dev/neofs-node/cmd/neofs-node/config/test"
+	"github.com/nspcc-dev/neofs-node/pkg/network"
+	"github.com/stretchr/testify/require"
+)
+
+func TestNodeSection(t *testing.T) {
+	t.Run("defaults", func(t *testing.T) {
+		empty := configtest.EmptyConfig()
+
+		require.PanicsWithError(
+			t,
+			errKeyNotSet.Error(),
+			func() {
+				Key(empty)
+			},
+		)
+
+		require.PanicsWithError(
+			t,
+			errAddressNotSet.Error(),
+			func() {
+				BootstrapAddress(empty)
+			},
+		)
+
+		attribute := Attributes(empty)
+		relay := Relay(empty)
+
+		require.Empty(t, attribute)
+		require.Equal(t, false, relay)
+	})
+
+	const path = "../../../../config/example/node"
+
+	var fileConfigTest = func(c *config.Config) {
+		key := Key(c)
+		addr := BootstrapAddress(c)
+		attributes := Attributes(c)
+		relay := Relay(c)
+
+		expectedAddr, err := network.AddressFromString("s01.neofs.devenv:8080")
+		require.NoError(t, err)
+
+		require.Equal(t, "path/hex/WIF", key)
+		require.Equal(t, true, addr.Equal(expectedAddr))
+		require.Equal(t, true, relay)
+
+		require.Len(t, attributes, 2)
+		require.Equal(t, "Price:11", attributes[0])
+		require.Equal(t, "UN-LOCODE:RU MSK", attributes[1])
+	}
+
+	configtest.ForEachFileType(path, fileConfigTest)
+
+	t.Run("ENV", func(t *testing.T) {
+		configtest.ForEnvFileType(path, fileConfigTest)
+	})
+}