test: improve coverage and raise threshold to 80% (#154)

tests/test_telegram_files.py

@@ -6,6 +6,7 @@ from pathlib import Path
 
 import pytest
 
+from takopi.telegram import files as tg_files
 from takopi.telegram.files import ZipTooLargeError, zip_directory
 
 
@@ -41,3 +42,70 @@ def test_zip_directory_limits_size(tmp_path: Path) -> None:
 
     with pytest.raises(ZipTooLargeError):
         zip_directory(root, Path("dir"), deny_globs=(), max_bytes=10)
+
+
+def test_split_command_args_falls_back_on_bad_quotes() -> None:
+    assert tg_files.split_command_args('bad "quote') == ("bad", '"quote')
+
+
+def test_parse_file_command_unknown_command() -> None:
+    command, rest, error = tg_files.parse_file_command("nope arg")
+    assert command is None
+    assert rest == "arg"
+    assert error == tg_files.file_usage()
+
+
+def test_parse_file_prompt_errors() -> None:
+    path, force, error = tg_files.parse_file_prompt("--wat", allow_empty=False)
+    assert path is None
+    assert force is False
+    assert error == "unknown flag: --wat"
+
+    path, force, error = tg_files.parse_file_prompt("", allow_empty=False)
+    assert path is None
+    assert force is False
+    assert error == "missing path"
+
+
+def test_parse_file_prompt_force_flag() -> None:
+    path, force, error = tg_files.parse_file_prompt(
+        "--force note.txt", allow_empty=False
+    )
+    assert path == "note.txt"
+    assert force is True
+    assert error is None
+
+
+def test_normalize_relative_path_rejects_invalid() -> None:
+    for value in ("", "   ", "~/.ssh", "/etc/passwd", "../secret", ".git/config"):
+        assert tg_files.normalize_relative_path(value) is None
+
+
+def test_normalize_relative_path_rejects_dot_only() -> None:
+    assert tg_files.normalize_relative_path("./") is None
+
+
+def test_normalize_relative_path_strips_dots() -> None:
+    assert tg_files.normalize_relative_path("docs/./guide.txt") == Path(
+        "docs/guide.txt"
+    )
+
+
+def test_resolve_path_within_root_rejects_escape(tmp_path: Path) -> None:
+    assert tg_files.resolve_path_within_root(tmp_path, Path("../escape")) is None
+
+
+def test_deny_reason_matches_patterns() -> None:
+    assert tg_files.deny_reason(Path(".git/config"), ["**/*.pem"]) == ".git/**"
+    assert tg_files.deny_reason(Path("secrets/key.pem"), ["**/*.pem"]) == "**/*.pem"
+
+
+def test_format_bytes_various_units() -> None:
+    assert tg_files.format_bytes(0) == "0 b"
+    assert tg_files.format_bytes(1536) == "1.5 kb"
+    assert tg_files.format_bytes(20480) == "20 kb"
+
+
+def test_default_upload_name_fallbacks() -> None:
+    assert tg_files.default_upload_name("", "files/report.txt") == "report.txt"
+    assert tg_files.default_upload_name(None, None) == "upload.bin"