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tests/test_agent_native_json_probe.py 247 lines · 10.2 KB · python
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"""Oak agent-native JSON capability probe rows."""
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from __future__ import annotations
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import sys
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import unittest
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from pathlib import Path
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from unittest import mock
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sys.path.insert(0, str(Path(__file__).resolve().parents[1] / "scripts"))
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import bench  # noqa: E402
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from oakbench.execution import TimedCapture  # noqa: E402
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from oakbench.rows import SKIP_RETURNCODE, validate_rows  # noqa: E402
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from oakbench.subjects import Subject  # noqa: E402
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SUBJECT = Subject(name="oak_installed", kind="oak", label="Oak", bin=Path("oak"))
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SCENARIO = bench.Scenario("tiny_text", 1, 1, 1, False, 1)
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METADATA = {"bench_id": "test", "profile": "smoke"}
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class JsonFieldOracleTest(unittest.TestCase):
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    def test_parse_success_and_required_fields(self) -> None:
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        fields = bench.json_field_oracle_fields(
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            '{"schema_version":1,"branch":"agent-task","changes":[]}',
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            ["schema_version", "branch", "changes"],
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        )
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        self.assertTrue(fields["json_parse_success"])
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        self.assertTrue(fields["json_oracle_passed"])
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        self.assertEqual(fields["json_field_completeness"], 1.0)
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        self.assertEqual(fields["json_missing_required_fields"], [])
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    def test_malformed_json_records_failed_oracle(self) -> None:
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        fields = bench.json_field_oracle_fields("{not json", ["schema_version"])
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        self.assertFalse(fields["json_parse_success"])
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        self.assertFalse(fields["json_oracle_passed"])
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        self.assertEqual(fields["json_missing_required_fields"], ["schema_version"])
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        self.assertIn("json_error", fields)
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    def test_missing_fields_records_completeness(self) -> None:
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        fields = bench.json_field_oracle_fields('{"schema_version":1}', ["schema_version", "branch"])
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        self.assertTrue(fields["json_parse_success"])
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        self.assertFalse(fields["json_oracle_passed"])
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        self.assertEqual(fields["json_present_required_field_count"], 1)
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        self.assertEqual(fields["json_missing_required_fields"], ["branch"])
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        self.assertEqual(fields["json_field_completeness"], 0.5)
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class AgentNativeJsonProbeRowTest(unittest.TestCase):
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    def test_capability_probe_uses_isolated_benchmark_environment(self) -> None:
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        completed = mock.Mock(returncode=0, stdout="Usage: oak status --json\n", stderr="")
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        with mock.patch.object(bench.subprocess, "run", return_value=completed) as run:
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            reason = bench.oak_json_probe_skip_reason("oak", ["status", "--help"], ["status", "--json"])
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        self.assertIsNone(reason)
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        self.assertEqual(run.call_args.kwargs["env"]["GIT_CONFIG_GLOBAL"], bench.os.devnull)
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        self.assertEqual(run.call_args.kwargs["env"]["LC_ALL"], "C")
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    def test_missing_command_emits_capability_skip_row(self) -> None:
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        spec = {
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            "args": ["agent", "state", "--json"],
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            "help_args": ["agent", "state", "--help"],
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            "required_fields": ["schema_version"],
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        }
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        with mock.patch.object(
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            bench,
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            "oak_json_probe_skip_reason",
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            return_value="capability_gap:oak_json_probe_help_failed:agent state --help",
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        ):
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            row = bench.run_agent_native_json_probe(
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                SUBJECT, SCENARIO, "oak.agent.state.json", Path.cwd(), spec, 0, METADATA, 20000
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            )
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        self.assertEqual(row["returncode"], SKIP_RETURNCODE)
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        self.assertTrue(row["skipped"])
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        self.assertEqual(row["command"], [])
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        self.assertEqual(row["intended_command"], ["oak", "agent", "state", "--json"])
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        self.assertEqual(validate_rows([row], "core"), [])
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    def test_minimum_oak_version_emits_capability_skip_row(self) -> None:
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        spec = {
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            "args": ["agent", "state", "--json"],
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            "help_args": ["agent", "state", "--help"],
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            "required_fields": ["schema_version", "recommended_action"],
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            "minimum_oak_version": "0.98.0",
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        }
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        with mock.patch.object(bench, "oak_cli_semver", return_value=(0, 97, 0)):
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            row = bench.run_agent_native_json_probe(
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                SUBJECT, SCENARIO, "oak.agent.state.json", Path.cwd(), spec, 0, METADATA, 20000
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            )
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        self.assertEqual(row["returncode"], SKIP_RETURNCODE)
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        self.assertTrue(row["skipped"])
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        self.assertEqual(row["command"], [])
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        self.assertEqual(row["intended_command"], ["oak", "agent", "state", "--json"])
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        self.assertEqual(row["minimum_oak_version"], "0.98.0")
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        self.assertIn("requires_oak>=0.98.0", row["skip_reason"])
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        self.assertEqual(validate_rows([row], "core"), [])
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    def test_present_command_records_tokens_output_and_json_oracle(self) -> None:
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        spec = {
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            "args": ["status", "--json"],
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            "help_args": ["status", "--help"],
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            "required_fields": ["schema_version", "branch", "changes"],
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        }
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        stdout = '{"schema_version":1,"branch":"agent-task","changes":[]}'
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        capture = TimedCapture(
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            elapsed_ms=12.34,
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            returncode=0,
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            stdout_text=stdout,
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            stdout_bytes=len(stdout),
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            stdout_truncated=False,
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            stderr_text="",
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            stderr_bytes=0,
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            stderr_truncated=False,
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            peak_rss_bytes=1234,
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        )
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        with mock.patch.object(bench, "oak_json_probe_skip_reason", return_value=None), mock.patch.object(
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            bench, "run_timed", return_value=capture
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        ):
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            row = bench.run_agent_native_json_probe(
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                SUBJECT, SCENARIO, "oak.status.json", Path.cwd(), spec, 0, METADATA, 20000
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            )
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        self.assertEqual(row["returncode"], 0)
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        self.assertTrue(row["json_parse_success"])
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        self.assertTrue(row["json_oracle_passed"])
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        self.assertEqual(row["probe_output_bytes"], len(stdout))
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        self.assertGreater(row["estimated_tokens_total"], 0)
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        self.assertEqual(row["tool_call_count"], 1)
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        self.assertEqual(validate_rows([row], "core"), [])
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    def test_json_oracle_parses_full_stdout_when_admitted_output_is_truncated(self) -> None:
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        spec = {
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            "args": ["branch", "diff", "agent-task", "--json"],
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            "help_args": ["branch", "diff", "--help"],
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            "required_fields": ["schema_version", "branch", "changes"],
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        }
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        stdout = '{"schema_version":1,"branch":"agent-task","changes":["' + ("x" * 100) + '"]}'
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        admitted_stdout = stdout[:32]
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        capture = TimedCapture(
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            elapsed_ms=12.34,
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            returncode=0,
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            stdout_text=admitted_stdout,
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            stdout_bytes=len(stdout),
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            stdout_truncated=True,
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            stderr_text="",
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            stderr_bytes=0,
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            stderr_truncated=False,
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            peak_rss_bytes=1234,
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            stdout_full_text=stdout,
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            stdout_full_text_truncated=False,
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        )
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        with mock.patch.object(bench, "oak_json_probe_skip_reason", return_value=None), mock.patch.object(
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            bench, "run_timed", return_value=capture
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        ) as run_timed:
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            row = bench.run_agent_native_json_probe(
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                SUBJECT, SCENARIO, "oak.branch.diff.json", Path.cwd(), spec, 0, METADATA, 32
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            )
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        self.assertEqual(run_timed.call_args.args[3], 32)
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        self.assertEqual(run_timed.call_args.kwargs["full_output_bytes"], bench.JSON_PROBE_MAX_BYTES)
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        self.assertEqual(row["returncode"], 0)
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        self.assertTrue(row["stdout_truncated"])
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        self.assertEqual(row["token_estimate"]["stdout_admitted_chars"], len(admitted_stdout))
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        self.assertTrue(row["json_parse_success"])
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        self.assertTrue(row["json_oracle_passed"])
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        self.assertEqual(row["json_validation_source"], "full_stdout_capture")
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        self.assertEqual(validate_rows([row], "core"), [])
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    def test_json_oracle_is_unmeasured_when_full_stdout_capture_is_truncated(self) -> None:
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        spec = {
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            "args": ["branch", "review", "agent-task", "--json"],
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            "help_args": ["branch", "review", "--help"],
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            "required_fields": ["schema_version", "branch", "findings"],
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        }
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        capture = TimedCapture(
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            elapsed_ms=12.34,
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            returncode=0,
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            stdout_text='{"schema_version":1,"branch":"agent',
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            stdout_bytes=200_000_000,
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            stdout_truncated=True,
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            stderr_text="",
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            stderr_bytes=0,
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            stderr_truncated=False,
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            peak_rss_bytes=1234,
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            stdout_full_text=None,
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            stdout_full_text_truncated=True,
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        )
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        with mock.patch.object(bench, "oak_json_probe_skip_reason", return_value=None), mock.patch.object(
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            bench, "run_timed", return_value=capture
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        ):
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            row = bench.run_agent_native_json_probe(
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                SUBJECT, SCENARIO, "oak.branch.review.json", Path.cwd(), spec, 0, METADATA, 32
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            )
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        self.assertEqual(row["returncode"], 0)
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        self.assertIsNone(row["json_validation_source"])
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        self.assertIsNone(row["json_parse_success"])
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        self.assertIsNone(row["json_oracle_passed"])
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        self.assertEqual(
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            row["json_validation_unmeasured_reason"],
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            "stdout_exceeded_json_validation_capture_limit",
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        )
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        self.assertEqual(validate_rows([row], "core"), [])
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    def test_present_command_with_incomplete_json_fails_row(self) -> None:
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        spec = {
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            "args": ["status", "--json"],
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            "help_args": ["status", "--help"],
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            "required_fields": ["schema_version", "branch"],
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        }
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        capture = TimedCapture(
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            elapsed_ms=1.0,
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            returncode=0,
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            stdout_text='{"schema_version":1}',
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            stdout_bytes=len('{"schema_version":1}'),
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            stdout_truncated=False,
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            stderr_text="",
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            stderr_bytes=0,
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            stderr_truncated=False,
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        )
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        with mock.patch.object(bench, "oak_json_probe_skip_reason", return_value=None), mock.patch.object(
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            bench, "run_timed", return_value=capture
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        ):
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            row = bench.run_agent_native_json_probe(
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                SUBJECT, SCENARIO, "oak.status.json", Path.cwd(), spec, 0, METADATA, 20000
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            )
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        self.assertEqual(row["returncode"], 1)
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        self.assertFalse(row["json_oracle_passed"])
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        self.assertEqual(row["json_missing_required_fields"], ["branch"])
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        self.assertEqual(validate_rows([row], "core"), [])
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if __name__ == "__main__":
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    unittest.main()