From: Christian Heller <c.heller@plomlompom.de>
Date: Sat, 24 Jan 2026 11:13:28 +0000 (+0100)
Subject: To testing invocation add test file selection.
X-Git-Url: https://plomlompom.com/repos/booking/%7B%7Bprefix%7D%7D/%7B%7B%20web_path%20%7D%7D/decks/task?a=commitdiff_plain;h=6af028a85cb367db1ab5b7de48fb867d766fd441;p=ledgplom

To testing invocation add test file selection.
---

diff --git a/src/ledgplom/testing.py b/src/ledgplom/testing.py
index a6209d7..dbea816 100644
--- a/src/ledgplom/testing.py
+++ b/src/ledgplom/testing.py
@@ -16,9 +16,12 @@ _PATH_TESTS = Path('tests')
 _TAGS_EXPANDED = {'<EXPANDED>', '</EXPANDED>'}
 
 
-def run_tests() -> None:
+def run_tests(selector: str) -> None:
     'Run tests from tests directory.'
-    paths = tuple(_PATH_TESTS.iterdir())
+    paths = tuple(p for p in _PATH_TESTS.iterdir()
+                  if p.parts[-1].startswith(selector)
+                  or ('.' in selector
+                      and selector.split('.')[0] + _EXT_DAT == p.parts[-1]))
 
     def run_tests_on_dat(dat_path: Path, server: PlomHttpServer) -> None:
 
diff --git a/src/run.py b/src/run.py
index c6546d0..b064be9 100755
--- a/src/run.py
+++ b/src/run.py
@@ -15,6 +15,7 @@ except ModuleNotFoundError as e:
 
 
 _ARG_TEST = 'test'
+_ARG_TEST_SEP = ':'
 _NAME_ENV_LEDGER_DAT = 'LEDGER_DAT'
 _LEDGER_DAT = environ.get(_NAME_ENV_LEDGER_DAT)
 
@@ -25,11 +26,10 @@ if __name__ == '__main__':
             print(f'{_NAME_ENV_LEDGER_DAT} environment variable not set.')
             sys_exit(1)
         Server(Path(_LEDGER_DAT)).serve()
-    elif len(argv) == 2:
-        if argv[1] != _ARG_TEST:
-            print('fail: unknown arg argument')
-            sys_exit(1)
-        run_tests()
+    elif len(argv) == 2 and (argv[1] == _ARG_TEST
+                             or argv[1].startswith(_ARG_TEST + _ARG_TEST_SEP)):
+        run_tests('' if argv[1] == _ARG_TEST
+                  else argv[1].split(_ARG_TEST_SEP, maxsplit=1)[1])
     else:
-        print('fail: expected zero or one arguments')
+        print(f'fail: expected zero arguments or one "{_ARG_TEST}" argument')
         sys_exit(1)