1 files changed, 101 insertions, 0 deletions
diff --git a/tests/modules/subcommands.c b/tests/modules/subcommands.c
new file mode 100644
index 0000000..3486e86
--- /dev/null
+++ b/tests/modules/subcommands.c
@@ -0,0 +1,101 @@
+#include "redismodule.h"
+
+#define UNUSED(V) ((void) V)
+
+int cmd_set(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
+    UNUSED(argv);
+    UNUSED(argc);
+    RedisModule_ReplyWithSimpleString(ctx, "OK");
+    return REDISMODULE_OK;
+}
+
+int cmd_get(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
+    UNUSED(argv);
+
+    if (argc > 4) /* For testing */
+        return RedisModule_WrongArity(ctx);
+
+    RedisModule_ReplyWithSimpleString(ctx, "OK");
+    return REDISMODULE_OK;
+}
+
+int cmd_get_fullname(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
+    UNUSED(argv);
+    UNUSED(argc);
+
+    const char *command_name = RedisModule_GetCurrentCommandName(ctx);
+    RedisModule_ReplyWithSimpleString(ctx, command_name);
+    return REDISMODULE_OK;
+}
+
+int RedisModule_OnLoad(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
+    REDISMODULE_NOT_USED(argv);
+    REDISMODULE_NOT_USED(argc);
+
+    if (RedisModule_Init(ctx, "subcommands", 1, REDISMODULE_APIVER_1) == REDISMODULE_ERR)
+        return REDISMODULE_ERR;
+
+    if (RedisModule_CreateCommand(ctx,"subcommands.bitarray",NULL,"",0,0,0) == REDISMODULE_ERR)
+        return REDISMODULE_ERR;
+    RedisModuleCommand *parent = RedisModule_GetCommand(ctx,"subcommands.bitarray");
+
+    if (RedisModule_CreateSubcommand(parent,"set",cmd_set,"",0,0,0) == REDISMODULE_ERR)
+        return REDISMODULE_ERR;
+    RedisModuleCommand *subcmd = RedisModule_GetCommand(ctx,"subcommands.bitarray|set");
+    RedisModuleCommandInfo cmd_set_info = {
+        .version = REDISMODULE_COMMAND_INFO_VERSION,
+        .key_specs = (RedisModuleCommandKeySpec[]){
+            {
+                .flags = REDISMODULE_CMD_KEY_RW | REDISMODULE_CMD_KEY_UPDATE,
+                .begin_search_type = REDISMODULE_KSPEC_BS_INDEX,
+                .bs.index.pos = 1,
+                .find_keys_type = REDISMODULE_KSPEC_FK_RANGE,
+                .fk.range = {0,1,0}
+            },
+            {0}
+        }
+    };
+    if (RedisModule_SetCommandInfo(subcmd, &cmd_set_info) == REDISMODULE_ERR)
+        return REDISMODULE_ERR;
+
+    if (RedisModule_CreateSubcommand(parent,"get",cmd_get,"",0,0,0) == REDISMODULE_ERR)
+        return REDISMODULE_ERR;
+    subcmd = RedisModule_GetCommand(ctx,"subcommands.bitarray|get");
+    RedisModuleCommandInfo cmd_get_info = {
+        .version = REDISMODULE_COMMAND_INFO_VERSION,
+        .key_specs = (RedisModuleCommandKeySpec[]){
+            {
+                .flags = REDISMODULE_CMD_KEY_RO | REDISMODULE_CMD_KEY_ACCESS,
+                .begin_search_type = REDISMODULE_KSPEC_BS_INDEX,
+                .bs.index.pos = 1,
+                .find_keys_type = REDISMODULE_KSPEC_FK_RANGE,
+                .fk.range = {0,1,0}
+            },
+            {0}
+        }
+    };
+    if (RedisModule_SetCommandInfo(subcmd, &cmd_get_info) == REDISMODULE_ERR)
+        return REDISMODULE_ERR;
+
+    /* Get the name of the command currently running. */
+    if (RedisModule_CreateCommand(ctx,"subcommands.parent_get_fullname",cmd_get_fullname,"",0,0,0) == REDISMODULE_ERR)
+        return REDISMODULE_ERR;
+
+    /* Get the name of the subcommand currently running. */
+    if (RedisModule_CreateCommand(ctx,"subcommands.sub",NULL,"",0,0,0) == REDISMODULE_ERR)
+        return REDISMODULE_ERR;
+
+    RedisModuleCommand *fullname_parent = RedisModule_GetCommand(ctx,"subcommands.sub");
+    if (RedisModule_CreateSubcommand(fullname_parent,"get_fullname",cmd_get_fullname,"",0,0,0) == REDISMODULE_ERR)
+        return REDISMODULE_ERR;
+
+    /* Sanity */
+
+    /* Trying to create the same subcommand fails */
+    RedisModule_Assert(RedisModule_CreateSubcommand(parent,"get",NULL,"",0,0,0) == REDISMODULE_ERR);
+
+    /* Trying to create a sub-subcommand fails */
+    RedisModule_Assert(RedisModule_CreateSubcommand(subcmd,"get",NULL,"",0,0,0) == REDISMODULE_ERR);
+
+    return REDISMODULE_OK;
+}