Added module data type load/save tests

Former-commit-id: cae9924fd9eefcd88cef1c964f0bc8bce7dd4242

runtest-moduleapi

@@ -27,4 +27,5 @@ $TCLSH tests/test_helper.tcl \
 --single unit/moduleapi/auth \
 --single unit/moduleapi/keyspace_events \
 --single unit/moduleapi/blockedclient \
+--single unit/moduleapi/moduleloadsave \
 "${@}"

tests/unit/loadsave.tcl

@@ -37,12 +37,10 @@ exec cp -f tests/assets/redis-save.rdb $server_path/dump.rdb
 start_server [list tags [list "loadsave"] overrides [list "dir" $server_path] keep_persistence true] {
     test "Load various data types from Redis generated .rdb file" {
         set loaded_digest [r debug digest]
+        puts loaded_digest
         if {![string match $saved_digest $loaded_digest]} {
             fail "Loaded data did not match saved data"
         }
     }
 }
 
-puts $server_path
-
-

tests/unit/moduleapi/moduleloadsave.tcl

@@ -0,0 +1,43 @@
+set server_path [tmpdir "server.rdb-encoding-test"]
+set testmodule [file normalize tests/modules/datatype.so]
+
+# Store module data typed data to the database,
+# compute the hash of the database,
+# and save the data to a file
+start_server  [list tags [list "loadsave"] overrides [list "dir" $server_path "loadmodule" $testmodule] keep_persistence true] {
+
+    test "Save module data type to .rdb file" {
+        r datatype.set key1 100 stringval
+        r datatype.set key2 200 stringval
+        r datatype.set key3 300 stringval
+        r datatype.set key4 400 stringval
+        r datatype.set key5 500 stringval
+        set saved_digest [r debug digest];
+        r save
+    } {OK};
+}
+
+# Load that data back from the file,
+# and compare its hash to the previously computed hash
+start_server [list tags [list "loadsave"] overrides [list "dir" $server_path "loadmodule" $testmodule] keep_persistence true] {
+    test "Load module data type from .rdb file" {
+        set loaded_digest [r debug digest]
+        if {![string match $saved_digest $loaded_digest]} {
+            fail "Loaded data did not match saved data"
+        }
+    }
+}
+
+# Load in data from a redis instance
+# The hash should match what we get in redis
+set saved_digest acffad6b89e21339dc5c80f53f6c6fa15977a848
+exec cp -f tests/assets/redis-module-save.rdb $server_path/dump.rdb 
+
+start_server [list tags [list "loadsave"] overrides [list "dir" $server_path "loadmodule" $testmodule] keep_persistence true] {
+    test "Load module data type from Redis generated .rdb file" {
+        set loaded_digest [r debug digest]
+        if {![string match $saved_digest $loaded_digest]} {
+            fail "Loaded data did not match saved data"
+        }
+    }
+}