DEVX-62: feat: weighted LPT distribution, workflow fixes, decouple vikunja/sync-wiki from release

tests/unit/test_distribute_files.py

@@ -7,6 +7,7 @@ from click.testing import CliRunner
 
 from devx.ci.distribute_files import (
     DEFAULT_MAX_RUNNERS,
+    _file_weight,
     discover_files,
     distribute,
     files_for_runner,
@@ -169,3 +170,46 @@ def test_main_module_block() -> None:
     import devx.ci.distribute_files as mod
 
     assert hasattr(mod, "main")
+
+
+class TestFileWeight:
+    def test_weight_based_on_size(self, tmp_path: Path) -> None:
+        f = tmp_path / "test_big.py"
+        f.write_text("x" * 5000)
+        assert _file_weight(str(f)) == 5000
+
+    def test_min_weight_is_1(self, tmp_path: Path) -> None:
+        f = tmp_path / "empty.py"
+        f.write_text("")
+        assert _file_weight(str(f)) == 1
+
+    def test_nonexistent_file_returns_1(self) -> None:
+        assert _file_weight("/nonexistent/file.py") == 1
+
+
+class TestDistributeLpt:
+    def test_large_files_on_different_runners(self, tmp_path: Path) -> None:
+        """Two large files should go to different runners."""
+        big1 = tmp_path / "test_big1.py"
+        big2 = tmp_path / "test_big2.py"
+        small1 = tmp_path / "test_small1.py"
+        small2 = tmp_path / "test_small2.py"
+        big1.write_text("x" * 10000)
+        big2.write_text("x" * 10000)
+        small1.write_text("x")
+        small2.write_text("x")
+        files = [str(big1), str(big2), str(small1), str(small2)]
+        groups = distribute(files, 2)
+        runner_0 = groups[0]
+        runner_1 = groups[1]
+        # Big files should be on different runners
+        assert not (str(big1) in runner_0 and str(big2) in runner_0)
+        assert not (str(big1) in runner_1 and str(big2) in runner_1)
+
+    def test_all_files_preserved(self, tmp_path: Path) -> None:
+        for i in range(5):
+            (tmp_path / f"test_{i}.py").write_text(f"content {i}" * (i + 1))
+        files = [str(tmp_path / f"test_{i}.py") for i in range(5)]
+        groups = distribute(files, 3)
+        flat = sorted(f for group in groups for f in group)
+        assert flat == sorted(files)