1  """Tests for the CLI."""
 2  
 3  from __future__ import annotations
 4  
 5  import sys
 6  
 7  import pytest
 8  
 9  from failprint._internal import debug
10  from failprint._internal.cli import main
11  
12  
13  def test_fail_without_arguments() -> None:
14      """Fails without arguments."""
15      with pytest.raises(SystemExit):
16          main([])
17  
18  
19  def test_show_help(capsys: pytest.CaptureFixture) -> None:
20      """Show help.
21  
22      Parameters:
23          capsys: Pytest fixture to capture output.
24      """
25      with pytest.raises(SystemExit):
26          main(["-h"])
27      captured = capsys.readouterr()
28      assert "failprint" in captured.out
29  
30  
31  def test_run_command() -> None:
32      """Run a simple command."""
33      assert main(["--", sys.executable, "-c", "print('hello')"]) == 0
34  
35  
36  def test_accept_custom_format(capsys: pytest.CaptureFixture) -> None:
37      """Run a command with a custom output format.
38  
39      Arguments:
40          capsys: Pytest fixture to capture output.
41      """
42      assert main(["--no-progress", "-f", "custom={{output}}", "--", sys.executable, "-c", "print('custom')"]) == 0
43      outerr = capsys.readouterr()
44      assert "custom" in outerr.out
45  
46  
47  def test_show_version(capsys: pytest.CaptureFixture) -> None:
48      """Show version.
49  
50      Parameters:
51          capsys: Pytest fixture to capture output.
52      """
53      with pytest.raises(SystemExit):
54          main(["-V"])
55      captured = capsys.readouterr()
56      assert debug._get_version() in captured.out
57  
58  
59  def test_show_debug_info(capsys: pytest.CaptureFixture) -> None:
60      """Show debug information.
61  
62      Parameters:
63          capsys: Pytest fixture to capture output.
64      """
65      with pytest.raises(SystemExit):
66          main(["--debug-info"])
67      captured = capsys.readouterr().out.lower()
68      assert "python" in captured
69      assert "system" in captured
70      assert "environment" in captured
71      assert "packages" in captured