test only for 8.4

Author: ndyakov

digest_test.go

@@ -7,6 +7,21 @@ import (
 	"github.com/redis/go-redis/v9"
 )
 
+// skipIfRedisBelow84 checks if Redis version is below 8.4 and skips the test if so
+func skipIfRedisBelow84(t *testing.T, client *redis.Client, ctx context.Context) {
+	// Try to execute DIGEST command to check if it's supported
+	// If it fails with "unknown command", Redis version is < 8.4
+	err := client.Digest(ctx, "version-check-key").Err()
+	if err != nil {
+		errMsg := err.Error()
+		// Check for "unknown command" error (Redis < 8.4)
+		// The error message can vary slightly depending on Redis version
+		if len(errMsg) >= 20 && errMsg[:20] == "ERR unknown command " {
+			t.Skip("Skipping test: Redis version < 8.4 (DIGEST command not available)")
+		}
+	}
+}
+
 // TestDigestBasic validates that the Digest command returns a uint64 value
 func TestDigestBasic(t *testing.T) {
 	ctx := context.Background()
@@ -19,6 +34,8 @@ func TestDigestBasic(t *testing.T) {
 		t.Skipf("Redis not available: %v", err)
 	}
 
+	skipIfRedisBelow84(t, client, ctx)
+
 	client.Del(ctx, "digest-test-key")
 
 	// Set a value
@@ -61,6 +78,8 @@ func TestSetIFDEQWithDigest(t *testing.T) {
 		t.Skipf("Redis not available: %v", err)
 	}
 
+	skipIfRedisBelow84(t, client, ctx)
+
 	client.Del(ctx, "cas-test-key")
 
 	// Set initial value
@@ -123,6 +142,8 @@ func TestSetIFDNEWithDigest(t *testing.T) {
 		t.Skipf("Redis not available: %v", err)
 	}
 
+	skipIfRedisBelow84(t, client, ctx)
+
 	client.Del(ctx, "cad-test-key")
 
 	// Set initial value
@@ -185,6 +206,8 @@ func TestDelExArgsWithDigest(t *testing.T) {
 		t.Skipf("Redis not available: %v", err)
 	}
 
+	skipIfRedisBelow84(t, client, ctx)
+
 	client.Del(ctx, "del-test-key")
 
 	// Set a value