import os
import re
import shutil

def CheckOutput(output):
    return output == 'Hello world!\n'

def test_c():
    print(os.getcwd())
    fh = os.popen("./HelloWorld", mode='r', buffering=-1)
    output = fh.read()
    retcode = fh.close()
    assert retcode == None and CheckOutput(output)

def test_cs():
    print(os.getcwd())
    fh = os.popen("mono ./HelloWorld.exe", mode='r', buffering=-1)
    output = fh.read()
    retcode = fh.close()
    assert retcode == None and CheckOutput(output)

def test_java():
    print(os.getcwd())
    fh = os.popen("/usr/lib/jvm/java-15-openjdk/bin/java HelloWorld", mode='r', buffering=-1)
    output = fh.read()
    retcode = fh.close()
    assert retcode == None and CheckOutput(output)

def test_bash():
    print(os.getcwd())
    fh = os.popen("./HelloWorld.bash", mode='r', buffering=-1)
    output = fh.read()
    retcode = fh.close()
    assert retcode == None and CheckOutput(output)

def test_perl():
    print(os.getcwd())
    fh = os.popen("./HelloWorld.pl", mode='r', buffering=-1)
    output = fh.read()
    retcode = fh.close()
    assert retcode == None and CheckOutput(output)

def test_php():
    print(os.getcwd())
    fh = os.popen("php ./HelloWorld.php", mode='r', buffering=-1)
    output = fh.read()
    retcode = fh.close()
    assert retcode == None and CheckOutput(output)

def test_python():
    print(os.getcwd())
    fh = os.popen("./HelloWorld.py", mode='r', buffering=-1)
    output = fh.read()
    retcode = fh.close()
    assert retcode == None and CheckOutput(output)