Closes #11 Closes #12 Closes #13 Closes #14 Closes #15 Task: MIL-002#4 Task: MIL-002#5 Task: MIL-002#6 Task: MIL-002#7 Task: MIL-002#8
68 lines
1.8 KiB
Python
68 lines
1.8 KiB
Python
"""Tests for the squirrel.cli module."""
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import pathlib
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import pytest
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from squirrel import cli
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from squirrel.constants import (
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FILE_ENCODING,
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FUR_COLOR_COLUMN,
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FUR_COLORS,
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SUMMARY_COLUMNS,
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)
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def _write_census(path: pathlib.Path) -> None:
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gray, cinnamon, _black = FUR_COLORS
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lines = [FUR_COLOR_COLUMN, gray, gray, cinnamon, ""]
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path.write_text("\n".join(lines) + "\n", encoding=FILE_ENCODING)
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def test_main_writes_summary_file_and_returns_zero(tmp_path: pathlib.Path) -> None:
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census_path = tmp_path / "census.csv"
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summary_path = tmp_path / "summary.csv"
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_write_census(census_path)
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status = cli.main([str(census_path), str(summary_path)])
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assert status == 0
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lines = summary_path.read_text(encoding=FILE_ENCODING).splitlines()
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assert lines == [
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",".join(SUMMARY_COLUMNS),
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f"{FUR_COLORS[0]},2",
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f"{FUR_COLORS[1]},1",
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f"{FUR_COLORS[2]},0",
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]
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def test_main_prints_one_line_per_colour(
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tmp_path: pathlib.Path, capsys: pytest.CaptureFixture[str]
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) -> None:
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census_path = tmp_path / "census.csv"
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_write_census(census_path)
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cli.main([str(census_path), str(tmp_path / "summary.csv")])
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out_lines = capsys.readouterr().out.splitlines()
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assert out_lines == [
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f"{FUR_COLORS[0]}: 2",
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f"{FUR_COLORS[1]}: 1",
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f"{FUR_COLORS[2]}: 0",
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]
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def test_main_returns_2_and_writes_nothing_when_census_missing(
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tmp_path: pathlib.Path, capsys: pytest.CaptureFixture[str]
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) -> None:
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missing = tmp_path / "missing.csv"
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summary_path = tmp_path / "summary.csv"
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status = cli.main([str(missing), str(summary_path)])
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captured = capsys.readouterr()
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assert status == 2
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assert not summary_path.exists()
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assert captured.err.strip() == f"Census file not found: {missing}"
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assert captured.out == ""
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