Added logs, comments and issue fix

Fixed issue for the interface not implemented for the provider while loading the plugin

test.go

@@ -0,0 +1,103 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"plugin"
+	"time"
+
+	"github.com/beckn/beckn-onix/pkg/plugin/definition"
+)
+
+func main() {
+	ctx := context.Background()
+
+	// Path to the compiled plugin .so file
+	// Adjust the path accordingly
+	pluginPath := "pkg/plugin/implementation/cache.so"
+
+	// Open the plugin
+	p, err := plugin.Open(pluginPath)
+	if err != nil {
+		fmt.Printf("Failed to open plugin: %v\n", err)
+		return
+	}
+
+	// Lookup the 'Provider' symbol
+	symProvider, err := p.Lookup("Provider")
+	if err != nil {
+		fmt.Printf("Failed to lookup 'Provider': %v\n", err)
+		return
+	}
+
+	// Assert that the symbol implements the CacheProvider interface
+	provider, ok := symProvider.(definition.CacheProvider)
+	if !ok {
+		fmt.Println("Plugin 'Provider' does not implement CacheProvider interface.")
+		return
+	}
+	fmt.Println("Successfully loaded CacheProvider plugin.")
+
+	// Setup config
+	config := map[string]string{
+		"addr": "localhost:6379", // Adjust to your Redis instance
+	}
+
+	// Create a new cache instance using the plugin provider
+	cacheInstance, cleanup, err := provider.New(ctx, config)
+	if err != nil {
+		fmt.Printf("Error creating cache instance: %v\n", err)
+		return
+	}
+	defer func() {
+		if cleanup != nil {
+			_ = cleanup()
+		}
+	}()
+
+	fmt.Println("Cache instance created successfully.")
+
+	// Test Set
+	key := "plugin_test_key"
+	value := "plugin_test_value"
+	ttl := 10 * time.Second
+
+	err = cacheInstance.Set(ctx, key, value, ttl)
+	if err != nil {
+		fmt.Printf("Set failed: %v\n", err)
+		return
+	}
+	fmt.Println("Set operation successful.")
+
+	// Test Get
+	got, err := cacheInstance.Get(ctx, key)
+	if err != nil {
+		fmt.Printf("Get failed: %v\n", err)
+		return
+	}
+	fmt.Printf("Got value: %s\n", got)
+
+	// Test Delete
+	err = cacheInstance.Delete(ctx, key)
+	if err != nil {
+		fmt.Printf("Delete failed: %v\n", err)
+		return
+	}
+	fmt.Println("Delete operation successful.")
+
+	// Test Clear
+	// Add a key to test Clear
+	err = cacheInstance.Set(ctx, "another_plugin_key", "another_plugin_value", ttl)
+	if err != nil {
+		fmt.Printf("Set for clear test failed: %v\n", err)
+		return
+	}
+	fmt.Println("Added key for clear test.")
+
+	err = cacheInstance.Clear(ctx)
+	if err != nil {
+		fmt.Printf("Clear failed: %v\n", err)
+		return
+	}
+	fmt.Println("Clear operation successful.")
+}