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feat(scope): add scoped pagination helpers
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Co-Authored-By: Virgil <virgil@lethean.io>
This commit is contained in:
Virgil 2026-04-04 17:53:21 +00:00
parent 8e46ab9fdd
commit aa49cdab4e
4 changed files with 55 additions and 6 deletions
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6
go.sum
View file

@ -5,7 +5,6 @@ github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1
github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e h1:ijClszYn+mADRFY17kjQEVQ1XRhq2/JR1M3sGqeJoxs=
github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e/go.mod h1:boTsfXsheKC2y+lKOCMpSfarhxDeIzfZG1jqGcPl3cA=
github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
@ -28,20 +27,15 @@ github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94
github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0tI/otEQ=
github.com/rogpeppe/go-internal v1.14.1/go.mod h1:MaRKkUm5W0goXpeCfT7UZI6fk/L7L7so1lCWt35ZSgc=
github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546/go.mod h1:j/pmGrbnkbPtQfxEe5D0VQhZC6qKbfKifgD0oM7sR70=
golang.org/x/mod v0.34.0 h1:xIHgNUUnW6sYkcM5Jleh05DvLOtwc6RitGHbDk4akRI=
golang.org/x/mod v0.34.0/go.mod h1:ykgH52iCZe79kzLLMhyCUzhMci+nQj+0XkbXpNYtVjY=
golang.org/x/net v0.52.0/go.mod h1:R1MAz7uMZxVMualyPXb+VaqGSa3LIaUqk0eEt3w36Sw=
golang.org/x/sync v0.20.0 h1:e0PTpb7pjO8GAtTs2dQ6jYa5BWYlMuX047Dco/pItO4=
golang.org/x/sync v0.20.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.42.0 h1:omrd2nAlyT5ESRdCLYdm3+fMfNFE/+Rf4bDIQImRJeo=
golang.org/x/sys v0.42.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
golang.org/x/telemetry v0.0.0-20260311193753-579e4da9a98c/go.mod h1:TpUTTEp9frx7rTdLpC9gFG9kdI7zVLFTFFlqaH2Cncw=
golang.org/x/tools v0.43.0 h1:12BdW9CeB3Z+J/I/wj34VMl8X+fEXBxVR90JeMX5E7s=
golang.org/x/tools v0.43.0/go.mod h1:uHkMso649BX2cZK6+RpuIPXS3ho2hZo4FVwfoy1vIk0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

13
scope.go
View file

@ -190,6 +190,11 @@ func (scopedStore *ScopedStore) GetAll(group string) (map[string]string, error)
return scopedStore.storeInstance.GetAll(scopedStore.namespacedGroup(group))
}
// Usage example: `page, err := scopedStore.GetPage("config", 0, 25); if err != nil { return }; for _, entry := range page { fmt.Println(entry.Key, entry.Value) }`
func (scopedStore *ScopedStore) GetPage(group string, offset, limit int) ([]KeyValue, error) {
return scopedStore.storeInstance.GetPage(scopedStore.namespacedGroup(group), offset, limit)
}
// Usage example: `for entry, err := range scopedStore.All("config") { if err != nil { break }; fmt.Println(entry.Key, entry.Value) }`
func (scopedStore *ScopedStore) All(group string) iter.Seq2[KeyValue, error] {
return scopedStore.storeInstance.All(scopedStore.namespacedGroup(group))
@ -399,6 +404,14 @@ func (scopedStoreTransaction *ScopedStoreTransaction) GetAll(group string) (map[
return scopedStoreTransaction.storeTransaction.GetAll(scopedStoreTransaction.scopedStore.namespacedGroup(group))
}
// Usage example: `page, err := scopedStoreTransaction.GetPage("config", 0, 25); if err != nil { return }; for _, entry := range page { fmt.Println(entry.Key, entry.Value) }`
func (scopedStoreTransaction *ScopedStoreTransaction) GetPage(group string, offset, limit int) ([]KeyValue, error) {
if err := scopedStoreTransaction.ensureReady("store.ScopedStoreTransaction.GetPage"); err != nil {
return nil, err
}
return scopedStoreTransaction.storeTransaction.GetPage(scopedStoreTransaction.scopedStore.namespacedGroup(group), offset, limit)
}
// Usage example: `for entry, err := range scopedStoreTransaction.All("config") { if err != nil { break }; fmt.Println(entry.Key, entry.Value) }`
func (scopedStoreTransaction *ScopedStoreTransaction) All(group string) iter.Seq2[KeyValue, error] {
if err := scopedStoreTransaction.ensureReady("store.ScopedStoreTransaction.All"); err != nil {

15
scope_test.go
View file

@ -293,6 +293,21 @@ func TestScope_ScopedStore_Good_GetAll(t *testing.T) {
assert.Equal(t, map[string]string{"z": "3"}, betaEntries)
}
func TestScope_ScopedStore_Good_GetPage(t *testing.T) {
storeInstance, _ := New(":memory:")
defer storeInstance.Close()
scopedStore, _ := NewScoped(storeInstance, "tenant-a")
require.NoError(t, scopedStore.SetIn("items", "charlie", "3"))
require.NoError(t, scopedStore.SetIn("items", "alpha", "1"))
require.NoError(t, scopedStore.SetIn("items", "bravo", "2"))
page, err := scopedStore.GetPage("items", 1, 1)
require.NoError(t, err)
require.Len(t, page, 1)
assert.Equal(t, KeyValue{Key: "bravo", Value: "2"}, page[0])
}
func TestScope_ScopedStore_Good_All(t *testing.T) {
storeInstance, _ := New(":memory:")
defer storeInstance.Close()

27
transaction_test.go
View file

@ -127,6 +127,33 @@ func TestTransaction_Transaction_Good_ReadHelpersSeePendingWrites(t *testing.T)
require.NoError(t, err)
}
func TestTransaction_ScopedStoreTransaction_Good_GetPage(t *testing.T) {
storeInstance, _ := New(":memory:")
defer storeInstance.Close()
scopedStore, err := NewScoped(storeInstance, "tenant-a")
require.NoError(t, err)
err = scopedStore.Transaction(func(transaction *ScopedStoreTransaction) error {
if err := transaction.SetIn("items", "charlie", "3"); err != nil {
return err
}
if err := transaction.SetIn("items", "alpha", "1"); err != nil {
return err
}
if err := transaction.SetIn("items", "bravo", "2"); err != nil {
return err
}
page, err := transaction.GetPage("items", 1, 1)
require.NoError(t, err)
require.Len(t, page, 1)
assert.Equal(t, KeyValue{Key: "bravo", Value: "2"}, page[0])
return nil
})
require.NoError(t, err)
}
func TestTransaction_ScopedStoreTransaction_Good_CommitsNamespacedWrites(t *testing.T) {
storeInstance, _ := New(":memory:")
defer storeInstance.Close()