Add full parity for persistence of sections to keys.

go.mod

@@ -4,14 +4,14 @@ go 1.22.0
 
 require (
 	github.com/shimmeringbee/zcl v0.0.0-20240509210644-817a66d91348
+	github.com/shimmeringbee/zigbee v0.0.0-20201027194100-4e53cafc0f7a
 	github.com/stretchr/testify v1.9.0
 )
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/shimmeringbee/bytecodec v0.0.0-20201107142444-94bb5c0baaee // indirect
-	github.com/shimmeringbee/zigbee v0.0.0-20201027194100-4e53cafc0f7a // indirect
 	github.com/stretchr/objx v0.5.2 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

impl/memory/memory.go

@@ -16,6 +16,15 @@ type memory struct {
 	sections map[string]persistence.Section
 }
 
+func (m *memory) SectionExists(key string) bool {
+	m.m.RLock()
+	defer m.m.RUnlock()
+
+	_, found := m.sections[key]
+
+	return found
+}
+
 func (m *memory) Section(key ...string) persistence.Section {
 	m.m.RLock()
 	s, ok := m.sections[key[0]]
@@ -48,7 +57,7 @@ func (m *memory) SectionKeys() []string {
 	return keys
 }
 
-func (m *memory) DeleteSection(key string) bool {
+func (m *memory) SectionDelete(key string) bool {
 	m.m.Lock()
 	defer m.m.Unlock()
 

impl/memory/memory_test.go

@@ -252,7 +252,7 @@ func TestMemory_DeleteSection(t *testing.T) {
 		s.Section("one")
 		assert.Contains(t, s.SectionKeys(), "one")
 
-		s.DeleteSection("one")
+		s.SectionDelete("one")
 		assert.NotContains(t, s.SectionKeys(), "one")
 	})
 }
@@ -267,6 +267,16 @@ func TestMemory_Exists(t *testing.T) {
 	})
 }
 
+func TestMemory_SectionExists(t *testing.T) {
+	t.Run("returns if a section exists", func(t *testing.T) {
+		s := New()
+
+		_ = s.Section("key")
+		assert.True(t, s.SectionExists("key"))
+		assert.False(t, s.SectionExists("otherKey"))
+	})
+}
+
 func TestMemory_SectionKeyNotClash(t *testing.T) {
 	t.Run("ensure that keys and sections dont shared the same name space", func(t *testing.T) {
 		s := New()

interface.go

@@ -3,7 +3,8 @@ package persistence
 type Section interface {
 	Section(key ...string) Section
 	SectionKeys() []string
-	DeleteSection(key string) bool
+	SectionExists(key string) bool
+	SectionDelete(key string) bool
 
 	Keys() []string
 	Exists(key string) bool