feat(tests/cli): add tests for log level

Signed-off-by: Nadja Brix Koch <[email protected]>

Author: NaddiNadja

tests/core/aux_loglevel.py

@@ -0,0 +1,11 @@
+import logging as log
+
+
+def main(args, cijoe):
+    log.critical("critical")
+    log.error("error")
+    log.warning("warning")
+    log.info("info")
+    log.debug("debug")
+
+    return 0

tests/core/test_loglevel.py

@@ -0,0 +1,61 @@
+import subprocess
+from pathlib import Path
+
+
+def run_loglevel_script(tmp_path, loglevel) -> subprocess.CompletedProcess[str]:
+    config_path = (tmp_path / "test-config-empty.toml").resolve()
+    config_path.write_text("")
+
+    script_file = Path(__file__).absolute().parent / "aux_loglevel.py"
+
+    command = [
+        "cijoe",
+        str(script_file),
+        "--config",
+        str(config_path),
+        "--no-report",
+    ]
+
+    if loglevel:
+        command += [f"-{loglevel*'l'}"]
+
+    return subprocess.run(
+        command,
+        cwd=str(tmp_path),
+        capture_output=True,
+        text=True,
+    )
+
+
+def test_no_loglevel_parameter(tmp_path):
+    result = run_loglevel_script(tmp_path, 0)
+
+    assert result.returncode == 0
+    assert "critical" in result.stderr
+    assert "error" in result.stderr
+    assert "warning" not in result.stderr
+    assert "info" not in result.stderr
+    assert "debug" not in result.stderr
+
+
+def test_one_loglevel_parameter(tmp_path):
+    result = run_loglevel_script(tmp_path, 1)
+
+    assert result.returncode == 0
+    assert "warning" in result.stderr
+    assert "info" in result.stderr
+    assert "debug" not in result.stderr
+
+
+def test_two_loglevel_parameter(tmp_path):
+    result = run_loglevel_script(tmp_path, 2)
+
+    assert result.returncode == 0
+    assert "debug" in result.stderr
+
+
+def test_more_loglevel_parameter(tmp_path):
+    result = run_loglevel_script(tmp_path, 5)
+
+    assert result.returncode == 0
+    assert "debug" in result.stderr