Add test for contents

Author: dwhswenson

paths_cli/tests/commands/test_contents.py

@@ -0,0 +1,42 @@
+import os
+import tempfile
+import pytest
+from unittest.mock import patch
+from click.testing import CliRunner
+
+import openpathsampling as paths
+
+from paths_cli.commands.contents import *
+
+def test_contents(tps_fixture):
+    # we just do a full integration test of this one
+    scheme, network, engine, init_conds = tps_fixture
+    runner = CliRunner()
+    with runner.isolated_filesystem():
+        storage = paths.Storage("setup.nc", 'w')
+        for obj in tps_fixture:
+            storage.save(obj)
+        storage.tags['initial_conditions'] = init_conds
+
+        results = runner.invoke(contents, ['setup.nc'])
+        cwd = os.getcwd()
+        expected = [
+            f"Storage @ '{cwd}/setup.nc'",
+            "CVs: 1 item", "* x",
+            "Volumes: 8 items", "* A", "* B", "* plus 6 unnamed items",
+            "Engines: 2 items", "* flat", "* plus 1 unnamed item",
+            "Networks: 1 item", "* 1 unnamed item",
+            "Move Schemes: 1 item", "* 1 unnamed item",
+            "Simulations: 0 items",
+            "Tags: 1 item", "* initial_conditions",
+            "", "Data Objects:",
+            "Steps: 0 unnamed items",
+            "Move Changes: 0 unnamed items",
+            "SampleSets: 1 unnamed item",
+            "Trajectories: 1 unnamed item",
+            f"Snapshots: {2*len(init_conds[0])} unnamed items", ""
+        ]
+        assert results.exit_code == 0
+        assert results.output.split('\n') == expected
+        for truth, beauty in zip(expected, results.output.split('\n')):
+            assert truth == beauty