feat(backend): click CLI for parse-837

backend/tests/test_cli.py

@@ -0,0 +1,70 @@
+import json
+from pathlib import Path
+
+import pytest
+from click.testing import CliRunner
+
+from cyclone.cli import main
+from cyclone.parsers.payer import PayerConfig
+
+
+FIXTURE = Path(__file__).parent / "fixtures" / "minimal_837p.txt"
+
+
+def test_cli_parse_837_writes_outputs(tmp_path: Path):
+    runner = CliRunner()
+    result = runner.invoke(main, ["parse-837", str(FIXTURE), "--output-dir", str(tmp_path)])
+    assert result.exit_code == 0, result.output
+    written = list(tmp_path.glob("claim-*.json"))
+    assert len(written) == 1
+    summary = json.loads((tmp_path / "summary.json").read_text())
+    assert summary["total_claims"] == 1
+    assert summary["passed"] == 1
+
+
+def test_cli_parse_837_with_strict(tmp_path: Path):
+    runner = CliRunner()
+    result = runner.invoke(main, ["parse-837", str(FIXTURE), "--output-dir", str(tmp_path), "--strict"])
+    assert result.exit_code == 0
+    # Strict should not change anything on a passing claim
+    summary = json.loads((tmp_path / "summary.json").read_text())
+    assert summary["passed"] == 1
+
+
+def test_cli_parse_837_with_no_raw_segments(tmp_path: Path):
+    runner = CliRunner()
+    result = runner.invoke(main, ["parse-837", str(FIXTURE), "--output-dir", str(tmp_path), "--no-raw-segments"])
+    assert result.exit_code == 0
+    data = json.loads(next(tmp_path.glob("claim-*.json")).read_text())
+    assert data["raw_segments"] == []
+
+
+def test_cli_unknown_payer_uses_generic(tmp_path: Path):
+    runner = CliRunner()
+    result = runner.invoke(main, ["parse-837", str(FIXTURE), "--output-dir", str(tmp_path), "--payer", "generic_837p"])
+    assert result.exit_code == 0
+
+
+def test_cli_missing_file_exits_2(tmp_path: Path):
+    runner = CliRunner()
+    result = runner.invoke(main, ["parse-837", "/no/such/file.txt", "--output-dir", str(tmp_path)])
+    assert result.exit_code == 2
+
+
+@pytest.mark.skipif(
+    not (Path(__file__).parent.parent.parent / "docs" / "prodfiles" / "837p-from-axiscare").exists(),
+    reason="prodfile corpus not present",
+)
+def test_cli_runs_against_prodfiles(tmp_path: Path):
+    """Smoke test: run the CLI against a real production file if available."""
+    from glob import glob
+    runner = CliRunner()
+    corpus = Path(__file__).parent.parent.parent / "docs" / "prodfiles" / "837p-from-axiscare"
+    files = sorted(glob(str(corpus / "*.txt")))
+    if not files:
+        pytest.skip("no prodfile .txt files in corpus")
+    sample = files[0]
+    result = runner.invoke(main, ["parse-837", sample, "--output-dir", str(tmp_path)])
+    assert result.exit_code == 0, result.output
+    summary = json.loads((tmp_path / "summary.json").read_text())
+    assert summary["total_claims"] >= 1