{ "run_id": 2, "model": "glm4-9b", "mode": "oneshot", "challenge": "json-pointer", "sample": 0, "status": "ok", "error": null, "score_total": 82.0, "score_tests": 0.7, "score_deliverables": 1.0, "score_content": 1.0, "tests_passed": 7, "tests_failed": 3, "wall_secs": 22.63433683400217, "slug": "run2-glm4-9b-oneshot-json-pointer-s0", "challenge_title": "JSON Pointer (RFC 6901)", "spec": "Create jsonpointer.py with exactly one function:\n\nresolve(doc, pointer: str)\n Resolve an RFC 6901 JSON Pointer against doc (nested dicts/lists) and return the referenced value.\n\nRules:\n- The empty pointer \"\" refers to the whole document.\n- A pointer is a sequence of /-prefixed reference tokens: \"/a/b\" means doc[\"a\"][\"b\"].\n- In a token, the escape ~1 decodes to \"/\" and ~0 decodes to \"~\" (decode ~1 before ~0).\n- Tokens indexing a list are decimal indices: \"/items/0\" is the first element.\n- Raise KeyError for anything that does not resolve (missing key, bad or out-of-range index, pointer not starting with \"/\", descending into a scalar).\n\nUse only the Python standard library.", "expected_files": [ "jsonpointer.py" ], "content_checks": { "jsonpointer.py": [ "def resolve" ] }, "test_files": { "test_jsonpointer.py": "import pytest\n\nfrom jsonpointer import resolve\n\nDOC = {\n \"foo\": [\"bar\", \"baz\"],\n \"\": 0,\n \"a/b\": 1,\n \"m~n\": 8,\n \"nested\": {\"list\": [{\"x\": 42}]},\n}\n\n\ndef test_whole_document():\n assert resolve(DOC, \"\") is DOC\n\n\ndef test_object_key():\n assert resolve(DOC, \"/foo\") == [\"bar\", \"baz\"]\n\n\ndef test_array_index():\n assert resolve(DOC, \"/foo/0\") == \"bar\"\n\n\ndef test_empty_key():\n assert resolve(DOC, \"/\") == 0\n\n\ndef test_escaped_slash():\n assert resolve(DOC, \"/a~1b\") == 1\n\n\ndef test_escaped_tilde():\n assert resolve(DOC, \"/m~0n\") == 8\n\n\ndef test_deep_path():\n assert resolve(DOC, \"/nested/list/0/x\") == 42\n\n\ndef test_missing_key_raises():\n with pytest.raises(KeyError):\n resolve(DOC, \"/nope\")\n\n\ndef test_bad_index_raises():\n with pytest.raises(KeyError):\n resolve(DOC, \"/foo/2\")\n with pytest.raises(KeyError):\n resolve(DOC, \"/foo/x\")\n\n\ndef test_pointer_without_slash_raises():\n with pytest.raises(KeyError):\n resolve(DOC, \"foo\")\n" }, "events": [ { "ts": "2026-07-17T18:28:20.859111+00:00", "event": "start", "run": 2, "model": "glm4-9b", "mode": "oneshot", "challenge": "json-pointer", "sample": 0 }, { "ts": "2026-07-17T18:28:20.859147+00:00", "event": "prompt", "mode": "oneshot", "content": "You are completing a coding task in one shot. Write complete files that satisfy the spec below. Tests (pytest) will be run against your files; you cannot run them yourself.\n\nReply with ONE JSON object and nothing else:\n{\"files\": {\"\": \"\", ...}}\n\nRequired deliverable files: jsonpointer.py\n\nSPEC:\nCreate jsonpointer.py with exactly one function:\n\nresolve(doc, pointer: str)\n Resolve an RFC 6901 JSON Pointer against doc (nested dicts/lists) and return the referenced value.\n\nRules:\n- The empty pointer \"\" refers to the whole document.\n- A pointer is a sequence of /-prefixed reference tokens: \"/a/b\" means doc[\"a\"][\"b\"].\n- In a token, the escape ~1 decodes to \"/\" and ~0 decodes to \"~\" (decode ~1 before ~0).\n- Tokens indexing a list are decimal indices: \"/items/0\" is the first element.\n- Raise KeyError for anything that does not resolve (missing key, bad or out-of-range index, pointer not starting with \"/\", descending into a scalar).\n\nUse only the Python standard library.\n" }, { "ts": "2026-07-17T18:28:43.128292+00:00", "event": "completion", "content": "```json\n{\n \"files\": {\n \"jsonpointer.py\": \"def resolve(doc, pointer: str):\\n if pointer == \\\"\\\":\\n return doc\\n tokens = pointer[1:].split('/') if pointer != '' else []\\n for token in tokens:\\n if token.startswith('~'): # escape sequences\\n if token == '~1':\\n token = '/'\\n elif token == '~0':\\n token = '~'\\n else:\\n raise ValueError(f\\\"Invalid escape sequence: {token}\\\")\\n if isinstance(doc, dict):\\n doc = doc[token]\\n elif isinstance(doc, list) and token.isdigit(): # handle list indexing\\n index = int(token)\\n if index < 0 or index >= len(doc):\\n raise IndexError(f\\\"Index out of range: {index}\\\")\\n doc = doc[index]\\n else:\\n raise KeyError(f\\\"Key not found: {token}\\\")\\n return doc\"\n }\n}\n```", "tokens": 225 }, { "ts": "2026-07-17T18:28:43.129176+00:00", "event": "write_file", "path": "jsonpointer.py", "bytes": 816 }, { "ts": "2026-07-17T18:28:43.493223+00:00", "event": "graded", "total": 82.0, "tests_passed": 7, "tests_failed": 3, "output": "....FF..F. [100%]\n=================================== FAILURES ===================================\n______________________________ test_escaped_slash ______________________________\ntest_jsonpointer.py:31: in test_escaped_slash\n assert resolve(DOC, \"/a~1b\") == 1\n ^^^^^^^^^^^^^^^^^^^^^\njsonpointer.py:14: in resolve\n doc = doc[token]\n ^^^^^^^^^^\nE KeyError: 'a~1b'\n______________________________ test_escaped_tilde ______________________________\ntest_jsonpointer.py:35: in test_escaped_tilde\n assert resolve(DOC, \"/m~0n\") == 8\n ^^^^^^^^^^^^^^^^^^^^^\njsonpointer.py:14: in resolve\n doc = doc[token]\n ^^^^^^^^^^\nE KeyError: 'm~0n'\n____________________________ test_bad_index_raises _____________________________\ntest_jsonpointer.py:49: in test_bad_index_raises\n resolve(DOC, \"/foo/2\")\njsonpointer.py:18: in resolve\n raise IndexError(f\"Index out of range: {index}\")\nE IndexError: Index out of range: 2\n=========================== short test summary info ============================\nFAILED test_jsonpointer.py::test_escaped_slash - KeyError: 'a~1b'\nFAILED test_jsonpointer.py::test_escaped_tilde - KeyError: 'm~0n'\nFAILED test_jsonpointer.py::test_bad_index_raises - IndexError: Index out of ...\n3 failed, 7 passed in 0.04s\n" } ], "files": { "jsonpointer.py": "def resolve(doc, pointer: str):\n if pointer == \"\":\n return doc\n tokens = pointer[1:].split('/') if pointer != '' else []\n for token in tokens:\n if token.startswith('~'): # escape sequences\n if token == '~1':\n token = '/'\n elif token == '~0':\n token = '~'\n else:\n raise ValueError(f\"Invalid escape sequence: {token}\")\n if isinstance(doc, dict):\n doc = doc[token]\n elif isinstance(doc, list) and token.isdigit(): # handle list indexing\n index = int(token)\n if index < 0 or index >= len(doc):\n raise IndexError(f\"Index out of range: {index}\")\n doc = doc[index]\n else:\n raise KeyError(f\"Key not found: {token}\")\n return doc" }, "file_metrics": [ { "path": "jsonpointer.py", "loc": 22, "sloc": 22, "chars": 816, "is_python": true, "functions": 1, "classes": 0, "complexity": 12, "max_complexity": 12, "max_depth": 5, "imports": [], "avg_function_len": 22.0, "parse_error": false } ], "code": { "files": 1, "loc": 22, "sloc": 22, "chars": 816, "functions": 1, "classes": 0, "complexity": 12, "max_complexity": 12, "max_depth": 5, "imports": [], "avg_function_len": 22.0, "parse_errors": 0 }, "session": { "model_calls": 1, "actions": {}, "bad_actions": 0, "test_runs": 0, "tokens_out": 225, "tokens_in": 0, "turns": 0 }, "test_output": "....FF..F. [100%]\n=================================== FAILURES ===================================\n______________________________ test_escaped_slash ______________________________\ntest_jsonpointer.py:31: in test_escaped_slash\n assert resolve(DOC, \"/a~1b\") == 1\n ^^^^^^^^^^^^^^^^^^^^^\njsonpointer.py:14: in resolve\n doc = doc[token]\n ^^^^^^^^^^\nE KeyError: 'a~1b'\n______________________________ test_escaped_tilde ______________________________\ntest_jsonpointer.py:35: in test_escaped_tilde\n assert resolve(DOC, \"/m~0n\") == 8\n ^^^^^^^^^^^^^^^^^^^^^\njsonpointer.py:14: in resolve\n doc = doc[token]\n ^^^^^^^^^^\nE KeyError: 'm~0n'\n____________________________ test_bad_index_raises _____________________________\ntest_jsonpointer.py:49: in test_bad_index_raises\n resolve(DOC, \"/foo/2\")\njsonpointer.py:18: in resolve\n raise IndexError(f\"Index out of range: {index}\")\nE IndexError: Index out of range: 2\n=========================== short test summary info ============================\nFAILED test_jsonpointer.py::test_escaped_slash - KeyError: 'a~1b'\nFAILED test_jsonpointer.py::test_escaped_tilde - KeyError: 'm~0n'\nFAILED test_jsonpointer.py::test_bad_index_raises - IndexError: Index out of ...\n3 failed, 7 passed in 0.04s\n" }