Allow running sinol-make from package's subdirectory (#129)

* Allow running `sinol-make` in subdirectory of package

(cherry picked from commit 8151dba)

* Add test

(cherry picked from commit 902abc4)

* Refactor

* Fix tests

src/sinol_make/util.py

@@ -30,22 +30,28 @@ def get_commands():
     return commands
 
 
-def check_if_package():
+def find_and_chdir_package():
     """
-    Function to check if current directory is a package
+    Checks if current directory or parent directory is a package directory.
+    If it is, it changes the current working directory to it and returns True.
+    If it isn't, it returns False.
     """
-
-    cwd = os.getcwd()
-    if os.path.exists(os.path.join(cwd, 'config.yml')):
+    if os.path.exists(os.path.join(os.getcwd(), 'config.yml')):
+        return True
+    elif os.path.exists(os.path.join(os.getcwd(), '..', 'config.yml')):
+        os.chdir('..')
         return True
-    return False
+    else:
+        return False
 
 
 def exit_if_not_package():
     """
-    Function that exits if current directory is not a package
+    Checks if current directory or parent directory is a package directory.
+    If it is, current working directory is changed to it.
+    If it isn't, it exits with an error.
     """
-    if not check_if_package():
+    if not find_and_chdir_package():
         exit_with_error('You are not in a package directory (couldn\'t find config.yml in current directory).')
 
 
@@ -292,7 +298,7 @@ def make_version_changes():
         # In version 1.5.9 we changed the format of sinol_expected_scores.
         # Now all groups have specified points and status.
 
-        if check_if_package():
+        if find_and_chdir_package():
             with open("config.yml", "r") as config_file:
                 config = yaml.load(config_file, Loader=yaml.FullLoader)
 

tests/commands/run/test_integration.py

@@ -632,3 +632,17 @@ def test(file_to_change, lang, comment_character):
     test("liblib.cpp", "cpp", "//")
     test("liblib.h", "cpp", "//")
     test("liblib.py", "py", "#")
+
+
+@pytest.mark.parametrize("create_package", [get_simple_package_path()], indirect=True)
+def test_cwd_in_prog(create_package):
+    """
+    Test if `sinol-make` works when cwd is in prog.
+    """
+    package_path = create_package
+    os.chdir("prog")
+    create_ins_outs(package_path)
+    parser = configure_parsers()
+    args = parser.parse_args(["run"])
+    command = Command()
+    command.run(args)