feat: print_info test and API

news/print-info.rst

@@ -0,0 +1,23 @@
+**Added:**
+
+* <news item>
+
+**Changed:**
+
+* Changed the command for printing packs and examples.
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>

src/diffpy/cmi/cli.py

@@ -25,6 +25,17 @@
 from diffpy.cmi.profilesmanager import ProfilesManager
 
 
+def print_info(pack_ex_dict: dict[str, List[Tuple[str, Path]]]) -> None:
+    """Print information about available examples and packs.
+
+    Parameters
+    ----------
+    pack_ex_dict : dict[str, List[Tuple[str, Path]]]
+        Dictionary mapping pack name -> list of (example name, example path).
+    """
+    return
+
+
 def copy_examples(
     examples_dict: Dict[str, List[Tuple[str, Path]]], target_dir: Path = None
 ) -> None:

tests/test_cli.py

@@ -4,6 +4,28 @@
 import pytest
 
 from diffpy.cmi import cli
+from diffpy.cmi.packsmanager import PacksManager
+
+
+@pytest.mark.parametrize(
+    "input,expected",
+    [
+        ("case1", "captured output for case1"),
+        ("case2", "captured output for case2"),
+        ("case3", "captured output for case3"),
+        ("case4", "captured output for case4"),
+        ("case5", "captured output for case5"),
+    ],
+)
+def test_print_info(input, expected, example_cases, capsys):
+    case_dir = example_cases / input
+    pm = PacksManager(case_dir)
+    examples_dict = pm.available_examples()
+    cli.print_info(examples_dict)
+    captured = capsys.readouterr()
+    output = captured.out
+    assert output == expected
+    assert False
 
 
 def test_map_pack_to_examples_structure():