initial kompress tests

my/kython/kompress.py

@@ -17,6 +17,7 @@ def _zstd_open(path: Path):
 
 
 def kopen(path: PathIsh, *args, **kwargs): # TODO is it bytes stream??
+    # TODO allow passing in mode?
     pp = Path(path)
     suf = pp.suffix
     if suf in {'.xz'}:

my/reddit.py

@@ -14,7 +14,6 @@ import my.config.repos.rexport.dal as rexport
 
 
 def get_sources() -> Sequence[Path]:
-    # TODO use zstd?
     # TODO rename to export_path?
     files = get_files(config.export_dir)
     res = list(map(CPath, files)); assert len(res) > 0

tests/misc.py

@@ -0,0 +1,41 @@
+from pathlib import Path
+from subprocess import check_call
+import gzip
+import lzma
+import io
+
+from my.kython.kompress import kopen
+
+
+import pytest # type: ignore
+
+@pytest.fixture
+def prepare(tmp_path: Path):
+    (tmp_path / 'file').write_text('just plaintext')
+    with (tmp_path / 'file.xz').open('wb') as f:
+        with lzma.open(f, 'w') as lzf:
+            lzf.write(b'compressed text')
+    try:
+        yield None
+    finally:
+        pass
+
+
+def test_kopen(prepare, tmp_path: Path) -> None:
+    "Plaintext handled transparently"
+    assert kopen(tmp_path / 'file'   ).read() == 'just plaintext'
+    assert kopen(tmp_path / 'file.xz').read() == b'compressed text' # FIXME make this str
+
+
+def test_kexists(tmp_path: Path) -> None:
+    # TODO
+    raise RuntimeError
+
+
+def test_cpath():
+    # TODO
+    raise RuntimeError
+
+
+# TODO FIXME these tests should def run on CI
+# TODO get rid of all decode utf8?