test: improve coverage for jobinfo

tests/test_jobinfo.py

@@ -1,10 +1,37 @@
 import argparse
 import pytest
 
-from ccbr_tools.jobinfo import get_jobinfo
+from ccbr_tools.shell import shell_run
+from ccbr_tools.jobinfo import get_jobinfo, check_host, mem2gb, time2sec
+
+
+def test_jobinfo_cli():
+    out = shell_run("python -m ccbr_tools.jobinfo -j 123456")
+    assert "This script only works on BIOWULF!" in out
 
 
 def test_jobinfo():
     with pytest.raises(SystemExit) as exc_info:
         get_jobinfo(argparse.Namespace(joblist=["job1", "job2"]))
     assert str(exc_info.value) == "" and type(exc_info.value) is SystemExit
+
+
+def test_check_host():
+    with pytest.raises(SystemExit) as exc_info:
+        check_host()
+    assert str(exc_info.value) == "" and type(exc_info.value) is SystemExit
+
+
+def test_mem2gb():
+    assert all(
+        [
+            mem2gb("0") == 0.0,
+            mem2gb("3.5 GB") == 3.5,
+            mem2gb("1024 MB") == 1.0,
+            mem2gb("1048576 KB") == 1.0,
+        ]
+    )
+
+
+def test_time2sec():
+    assert time2sec("0-00:01:00") == 60.0