release: nexus btpanel session fix and app-v2

tests/test_text_io.py

@@ -0,0 +1,43 @@
+"""Tests for server.utils.text_io (EOL / UTF-8)."""
+
+from pathlib import Path
+
+import pytest
+
+from server.utils.text_io import (
+    detect_text_eol,
+    normalize_text_eol,
+    read_utf8_lf,
+    read_utf8_text,
+    write_utf8_lf,
+)
+
+
+def test_normalize_text_eol():
+    assert normalize_text_eol("a\r\nb\rc") == "a\nb\nc"
+
+
+def test_detect_text_eol():
+    assert detect_text_eol("a\nb") == "LF"
+    assert detect_text_eol("a\r\nb") == "CRLF"
+    assert detect_text_eol("a\rb") == "CR"
+
+
+def test_write_utf8_lf_no_cr(tmp_path: Path):
+    p = tmp_path / "t.txt"
+    write_utf8_lf(p, "line1\r\nline2\r")
+    raw = p.read_bytes()
+    assert b"\r" not in raw
+    assert raw == b"line1\nline2\n"
+
+
+def test_read_utf8_strips_bom(tmp_path: Path):
+    p = tmp_path / "bom.env"
+    p.write_bytes(b"\xef\xbb\xbfKEY=value\n")
+    assert read_utf8_text(p) == "KEY=value\n"
+
+
+def test_read_utf8_lf(tmp_path: Path):
+    p = tmp_path / "crlf.txt"
+    p.write_bytes(b"a\r\nb\r")
+    assert read_utf8_lf(p) == "a\nb\n"