enh: track info schema with file

test/data/schema_test/info_schema.txt

@@ -0,0 +1,29 @@
+command
+cpu_total
+memory_total
+hostname
+uid
+user
+gpu
+duct_version
+schema_version
+exit_code
+logs_prefix
+wall_clock_time
+peak_rss
+average_rss
+peak_vsz
+average_vsz
+peak_pmem
+average_pmem
+peak_pcpu
+average_pcpu
+num_samples
+num_reports
+start_time
+end_time
+stdout
+stderr
+usage
+info
+prefix

test/test_schema.py

@@ -0,0 +1,61 @@
+import json
+import os
+from pathlib import Path
+from con_duct.__main__ import Arguments, execute
+from con_duct.suite.ls import _flatten_dict
+
+
+#
+# TEST_SCRIPT = str(Path(__file__).with_name("data") / "test_script.py")
+#
+# expected_files = [
+#     SUFFIXES["stdout"],
+#     SUFFIXES["stderr"],
+#     SUFFIXES["info"],
+#     SUFFIXES["usage"],
+# ]
+#
+#
+# def assert_expected_files(temp_output_dir: str, exists: bool = True) -> None:
+#     assert_files(temp_output_dir, expected_files, exists=exists)
+def write_list_to_file(items, path: Path):
+    with path.open("w") as f:
+        for item in items:
+            f.write(f"{item}\n")
+
+
+def read_list_from_file(path: Path):
+    with path.open("r") as f:
+        return [line.strip() for line in f]
+
+
+def test_info_fields() -> None:
+    """
+    Generate the list of fields users can request when viewing info files.
+
+    Fails when schema changes-- commit the new version and bump schema version
+    """
+    SCHEMA_TEST = "test/data/schema_test/"
+    args = Arguments.from_argv(
+        ["echo", "hello", "world"],
+        sample_interval=4.0,
+        report_interval=60.0,
+        output_prefix=SCHEMA_TEST,
+        clobber=True,
+    )
+    # Execute duct
+    assert execute(args) == 0  # exit_code
+    os.remove(Path(SCHEMA_TEST, "stdout"))
+    os.remove(Path(SCHEMA_TEST, "stderr"))
+    os.remove(Path(SCHEMA_TEST, "usage.json"))
+    info_file = Path(SCHEMA_TEST, "info.json")
+
+    info_fields_schema_file = Path(SCHEMA_TEST, "info_schema.txt")
+
+    expected_info_fields_schema = read_list_from_file(info_fields_schema_file)
+
+    actual_info_schema = _flatten_dict(json.loads(info_file.read_text())).keys()
+    os.remove(info_file)
+
+    write_list_to_file(actual_info_schema, info_fields_schema_file)
+    assert set(expected_info_fields_schema) == set(actual_info_schema)