Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

server/platform/services/cache/provider_test.go

@@ -0,0 +1,187 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package cache
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/mattermost/mattermost-server/v6/model"
+)
+
+func TestNewCache(t *testing.T) {
+	t.Run("with only size option given", func(t *testing.T) {
+		p := NewProvider()
+
+		size := 1
+		c, err := p.NewCache(&CacheOptions{
+			Size: size,
+		})
+		require.NoError(t, err)
+
+		err = c.Set("key1", "val1")
+		require.NoError(t, err)
+		err = c.Set("key2", "val2")
+		require.NoError(t, err)
+		err = c.Set("key3", "val3")
+		require.NoError(t, err)
+		l, err := c.Len()
+		require.NoError(t, err)
+		require.Equal(t, size, l)
+	})
+
+	t.Run("with only size option given", func(t *testing.T) {
+		p := NewProvider()
+
+		size := 1
+		c, err := p.NewCache(&CacheOptions{
+			Size: size,
+		})
+		require.NoError(t, err)
+
+		err = c.Set("key1", "val1")
+		require.NoError(t, err)
+		err = c.Set("key2", "val2")
+		require.NoError(t, err)
+		err = c.Set("key3", "val3")
+		require.NoError(t, err)
+		l, err := c.Len()
+		require.NoError(t, err)
+		require.Equal(t, size, l)
+	})
+
+	t.Run("with all options specified", func(t *testing.T) {
+		p := NewProvider()
+
+		size := 1
+		expiry := 1 * time.Second
+		event := model.ClusterEvent("clusterEvent")
+		c, err := p.NewCache(&CacheOptions{
+			Size:                   size,
+			Name:                   "name",
+			DefaultExpiry:          expiry,
+			InvalidateClusterEvent: event,
+		})
+		require.NoError(t, err)
+
+		require.Equal(t, event, c.GetInvalidateClusterEvent())
+
+		err = c.SetWithDefaultExpiry("key1", "val1")
+		require.NoError(t, err)
+		err = c.SetWithDefaultExpiry("key2", "val2")
+		require.NoError(t, err)
+		err = c.SetWithDefaultExpiry("key3", "val3")
+		require.NoError(t, err)
+		l, err := c.Len()
+		require.NoError(t, err)
+		require.Equal(t, size, l)
+
+		time.Sleep(expiry + 1*time.Second)
+
+		var v string
+		err = c.Get("key1", &v)
+		require.Equal(t, ErrKeyNotFound, err)
+		err = c.Get("key2", &v)
+		require.Equal(t, ErrKeyNotFound, err)
+		err = c.Get("key3", &v)
+		require.Equal(t, ErrKeyNotFound, err)
+	})
+}
+
+func TestNewCache_Striped(t *testing.T) {
+	t.Run("with only size option given", func(t *testing.T) {
+		p := NewProvider()
+
+		size := 1
+		c, err := p.NewCache(&CacheOptions{
+			Size:           size,
+			Striped:        true,
+			StripedBuckets: 1,
+		})
+		require.NoError(t, err)
+
+		err = c.Set("key1", "val1")
+		require.NoError(t, err)
+		err = c.Set("key2", "val2")
+		require.NoError(t, err)
+		err = c.Set("key3", "val3")
+		require.NoError(t, err)
+		l, err := c.Len()
+		require.NoError(t, err)
+		require.Equal(t, size+1, l) // +10% from striping
+	})
+
+	t.Run("with only size option given", func(t *testing.T) {
+		p := NewProvider()
+
+		size := 1
+		c, err := p.NewCache(&CacheOptions{
+			Size:           size,
+			Striped:        true,
+			StripedBuckets: 1,
+		})
+		require.NoError(t, err)
+
+		err = c.Set("key1", "val1")
+		require.NoError(t, err)
+		err = c.Set("key2", "val2")
+		require.NoError(t, err)
+		err = c.Set("key3", "val3")
+		require.NoError(t, err)
+		l, err := c.Len()
+		require.NoError(t, err)
+		require.Equal(t, size+1, l) // +10% rounded up from striped lru
+	})
+
+	t.Run("with all options specified", func(t *testing.T) {
+		p := NewProvider()
+
+		size := 1
+		expiry := 1 * time.Second
+		event := model.ClusterEvent("clusterEvent")
+		c, err := p.NewCache(&CacheOptions{
+			Size:                   size,
+			Name:                   "name",
+			DefaultExpiry:          expiry,
+			InvalidateClusterEvent: event,
+			Striped:                true,
+			StripedBuckets:         1,
+		})
+		require.NoError(t, err)
+
+		require.Equal(t, event, c.GetInvalidateClusterEvent())
+
+		err = c.SetWithDefaultExpiry("key1", "val1")
+		require.NoError(t, err)
+		err = c.SetWithDefaultExpiry("key2", "val2")
+		require.NoError(t, err)
+		err = c.SetWithDefaultExpiry("key3", "val3")
+		require.NoError(t, err)
+		l, err := c.Len()
+		require.NoError(t, err)
+		require.Equal(t, size+1, l) // +10% from striping
+
+		time.Sleep(expiry + 1*time.Second)
+
+		var v string
+		err = c.Get("key1", &v)
+		require.Equal(t, ErrKeyNotFound, err)
+		err = c.Get("key2", &v)
+		require.Equal(t, ErrKeyNotFound, err)
+		err = c.Get("key3", &v)
+		require.Equal(t, ErrKeyNotFound, err)
+	})
+}
+
+func TestConnectClose(t *testing.T) {
+	p := NewProvider()
+
+	err := p.Connect()
+	require.NoError(t, err)
+
+	err = p.Close()
+	require.NoError(t, err)
+}