Wow, I'm good, this is clever and fully functionalgit add .!

jaclang/cli/cmds.jac

@@ -13,6 +13,9 @@ can run(filename: str);
 @cmd_reg.register
 can enter(filename: str, entrypoint: str, args: list);
 
+@cmd_reg.register
+can <>test(filename: str);
+
 @cmd_reg.register
 can ast_tool(tool: str);
 

jaclang/cli/impl/cmds_impl.jac

@@ -1,6 +1,7 @@
 """Implementations for the jac command line interface."""
 import:py os;
 import:py shutil;
+import:py unittest;
 
 """Load a .jac file and return the entrypoint function."""
 :a:run
@@ -29,6 +30,20 @@ import:py shutil;
  }
 }
 
+"""Load a .jac file and return the entrypoint function."""
+:a:<>test
+(filename: str) {
+ if filename.endswith(".jac"){
+ [base, mod] = os.path.split(filename);
+ base = './' if not base else base;
+ mod=mod[:-4];
+ mod = __jac_import__(target=mod, base_path=base);
+ unittest.TextTestRunner().run(mod.__jac_suite__);
+ } else {
+ "Not a .jac file." :> print;
+ }
+}
+
 :a:ast_tool
 (tool: str) {
  import:py from jaclang.utils.lang_tools, AstTool;