From 89a7a946dcd500b01b772a2f418c8adf0ea9a5bd Mon Sep 17 00:00:00 2001
From: Leonard Lyubich <leonard@nspcc.ru>
Date: Tue, 3 Nov 2020 11:29:41 +0300
Subject: [PATCH] [#187] sdk: Implement IsSupportedVersion function
Implement function that checks the compatibility of the specified version
with the current NeoFS revision.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
---
pkg/version.go | 17 +++++++++++++++++
pkg/version_test.go | 33 +++++++++++++++++++++++++++++++++
2 files changed, 50 insertions(+)
diff --git a/pkg/version.go b/pkg/version.go
index 6ffc54c..a1c8316 100644
--- a/pkg/version.go
+++ b/pkg/version.go
@@ -4,6 +4,7 @@ import (
"fmt"
"github.com/nspcc-dev/neofs-api-go/v2/refs"
+ "github.com/pkg/errors"
)
// Version represents v2-compatible version.
@@ -65,3 +66,19 @@ func (v *Version) ToV2() *refs.Version {
func (v *Version) String() string {
return fmt.Sprintf("v%d.%d", v.GetMajor(), v.GetMinor())
}
+
+// IsSupportedVersion returns error if v is not supported by current SDK.
+func IsSupportedVersion(v *Version) error {
+ switch mjr := v.GetMajor(); mjr {
+ case 2:
+ switch mnr := v.GetMinor(); mnr {
+ case 0:
+ return nil
+ }
+ }
+
+ return errors.Errorf("unsupported version %d.%d",
+ v.GetMajor(),
+ v.GetMinor(),
+ )
+}
diff --git a/pkg/version_test.go b/pkg/version_test.go
index 18e842a..a5cc7fa 100644
--- a/pkg/version_test.go
+++ b/pkg/version_test.go
@@ -29,3 +29,36 @@ func TestSDKVersion(t *testing.T) {
require.Equal(t, uint32(sdkMjr), v.GetMajor())
require.Equal(t, uint32(sdkMnr), v.GetMinor())
}
+
+func TestIsSupportedVersion(t *testing.T) {
+ require.Error(t, IsSupportedVersion(nil))
+
+ v := NewVersion()
+
+ v.SetMajor(1)
+ require.Error(t, IsSupportedVersion(v))
+
+ v.SetMajor(3)
+ require.Error(t, IsSupportedVersion(v))
+
+ for _, item := range []struct {
+ mjr, maxMnr uint32
+ }{
+ {
+ mjr: 2,
+ maxMnr: 0,
+ },
+ } {
+ v.SetMajor(item.mjr)
+
+ for i := uint32(0); i < item.maxMnr; i++ {
+ v.SetMinor(i)
+
+ require.NoError(t, IsSupportedVersion(v))
+ }
+
+ v.SetMinor(item.maxMnr + 1)
+
+ require.Error(t, IsSupportedVersion(v))
+ }
+}