feat: test case update in helloworld (#11)

* feat: removed old files

* feat: test case update in helloworld

exercises/practice/hello-world/HelloWorldTest.bat

@@ -1,41 +1,88 @@
 @echo off
 REM ---------------------------------------------------
-REM testThatGreeterReturnsTheCorrectGreeting
+REM Hello World Unit Test
 REM ---------------------------------------------------
 
-REM Initalize result variable
-set "slug=HelloWorld"
-set "result="
-set "expected=Hello, World!"
+:Main
+    REM Initalize result variable
+    set "slug=HelloWorld"
 
-REM Run the program and store the output in the result variable
-if exist %~dp0%slug%.bat (
-    REM If the file exists in the full path, run it from there
-    for /f "delims=" %%a in ('%~dp0%slug%.bat') do set result=%%a
+    CALL :Initialize
 
-) else (
-    if exist %slug%.bat (
-        REM If the file exists in the wildcard search path, run it from there
-        for /f "delims=" %%a in ('%slug%.bat') do set result=%%a
+    REM --------------------
+    REM Test Case Start \/\/
+    REM --------------------
+    set "expected=Hello, World!"
+    set "if_success=Test passed"
+    set "if_failed=Test failed: Your output have to be 'Hello, World!'"
+    CALL :Assert
 
-    ) else (
-        REM Errorlevel = 2: The system cannot find the file specified. 
-        REM                 Indicates that the file cannot be found in specified location.
-        echo Could not find "%~dp0%slug%.bat" or "%slug%.bat"
-        exit /b 2
+    REM --------------------
+    REM Test Case End /\/\/\
+    REM --------------------
 
-    )
-)
+    CALL :ResolveStatus
+    exit /b %errorlevel%
+REM End of Main
+
+REM ---------------------------------------------------
+REM Assert [..Parameters(up to 9)]
+REM ---------------------------------------------------
+GOTO :End REM Prevents the code below from being executed
+:Assert
+set "stdout="
+
+REM Run the program and capture the output then delete the file
+CALL %slug%.bat %~1 %~2 %~3 %~4 %~5 %~6 %~7 %~8 %~9 > stdout.bin 2>&1
+set /p stdout=<stdout.bin
+del stdout.bin
 
 REM Check if the result is correct
 if "%result%" == "%expected%" (
+    if defined if_success (
+        echo %if_success%
+
+        REM Reset the variable to avoid duplicating the message.
+        set "if_success="
+        set "if_failed="
+    )
+
     REM If the result is correct, exit with code 0
-    echo Test passed
+    set /a successCount+=1
     exit /b 0
 ) else (
+    if defined if_failed (
+        echo %if_failed%
+
+        REM Reset the variable to avoid duplicating the message.
+        set "if_success="
+        set "if_failed="
+    )
+
     REM If the result is incorrect, exit with code 1
-    echo Expected: %expected%
-    echo Actually: %result%
-    echo Test failed
+    set /a failCount+=1
+    exit /b 1
+)
+GOTO :EOF REM Go back to the line after the call to :Assert
+
+:Initialize
+REM It's for initialize, not about checking empty file
+set "successCount=0"
+set "failCount=0"
+GOTO :EOF REM Go back to the line after the call to :CheckEmptyFile
+
+:ResolveStatus
+set "status="
+if %failCount% gtr 0 (
+    REM status: Fail
+    REM message: The test failed.
     exit /b 1
+
+) else (
+    REM status: Pass
+    exit /b 0
+
 )
+GOTO :EOF REM Go back to the line after the call to :ExportResultAsJson
+
+:End