test_schema.py
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"""U-001 tests: all tables build, and the constraints named in the Unit's
Done criterion (unique / foreign key / enum) are actually enforced.
U-034 (PH5, 2026-08-02) added `deployment`/`deploy_health_signal` (17 tables
total) and widened `bug_record.root_cause_category` to accept `core_engine`.
Run: python3 -m unittest src.test_schema -v
"""
import sqlite3
import unittest
from src import schema
class SchemaCreationTest(unittest.TestCase):
def setUp(self):
self.conn = schema.connect(":memory:")
schema.create_schema(self.conn)
def tearDown(self):
self.conn.close()
def test_all_17_tables_created(self):
rows = self.conn.execute(
"SELECT name FROM sqlite_master WHERE type = 'table' AND name NOT LIKE 'sqlite_%'"
).fetchall()
actual = {row[0] for row in rows}
self.assertEqual(actual, set(schema.TABLE_NAMES))
self.assertEqual(len(schema.TABLE_NAMES), 17)
def test_schema_is_idempotent_to_reopen_on_disk(self):
# not required by the Done criterion, but a schema that only works once
# against :memory: would be a trap for every later Unit that opens a
# real db file -- cheap to check now.
import os
import tempfile
fd, path = tempfile.mkstemp(suffix=".sqlite3")
os.close(fd)
os.remove(path)
try:
conn = schema.connect(path)
schema.create_schema(conn)
conn.close()
conn2 = schema.connect(path)
rows = conn2.execute(
"SELECT name FROM sqlite_master WHERE type = 'table' AND name NOT LIKE 'sqlite_%'"
).fetchall()
conn2.close()
self.assertEqual({r[0] for r in rows}, set(schema.TABLE_NAMES))
finally:
if os.path.exists(path):
os.remove(path)
class ConstraintTestBase(unittest.TestCase):
def setUp(self):
self.conn = schema.connect(":memory:")
schema.create_schema(self.conn)
def tearDown(self):
self.conn.close()
def insert_project(self, project_id="proj-1", target_folder_path="/tmp/proj-1"):
self.conn.execute(
"INSERT INTO project (project_id, name, target_folder_path, has_git_repo, status) "
"VALUES (?, ?, ?, 1, 'active')",
(project_id, "Project One", target_folder_path),
)
self.conn.commit()
return project_id
def insert_task(self, task_id="task-1", project_id="proj-1", status="queued"):
self.conn.execute(
"INSERT INTO task (task_id, project_id, goal_text, task_type, status, assigned_org_node) "
"VALUES (?, ?, 'implement snake game', 'goal', ?, 'planner')",
(task_id, project_id, status),
)
self.conn.commit()
return task_id
def insert_skill(self, skill_id="skill-1"):
self.conn.execute(
"INSERT INTO skill (skill_id, owner_org_node, file_path, current_git_commit_sha, source, status) "
"VALUES (?, 'coder', 'skills/skill-1/', 'abc123', 'new', 'active')",
(skill_id,),
)
self.conn.commit()
return skill_id
def insert_work_graph_run(self, run_id="run-1", task_id="task-1", org_node="coder", status="planning"):
self.conn.execute(
"INSERT INTO work_graph_run (run_id, task_id, org_node, graph_manifest, status) "
"VALUES (?, ?, ?, '{}', ?)",
(run_id, task_id, org_node, status),
)
self.conn.commit()
return run_id
class ProjectUniqueConstraintTest(ConstraintTestBase):
def test_duplicate_target_folder_path_rejected(self):
self.insert_project("proj-1", "/tmp/shared-path")
with self.assertRaises(sqlite3.IntegrityError):
self.conn.execute(
"INSERT INTO project (project_id, name, target_folder_path, has_git_repo, status) "
"VALUES ('proj-2', 'Project Two', '/tmp/shared-path', 1, 'active')"
)
def test_has_git_repo_boolean_check_rejects_out_of_range_value(self):
with self.assertRaises(sqlite3.IntegrityError):
self.conn.execute(
"INSERT INTO project (project_id, name, target_folder_path, has_git_repo, status) "
"VALUES ('proj-1', 'P', '/tmp/p', 2, 'active')"
)
class WorkNodeExecutionEnumConstraintTest(ConstraintTestBase):
def setUp(self):
super().setUp()
self.insert_project()
self.insert_task()
self.insert_skill()
self.insert_work_graph_run()
def _insert_node_exec(self, status):
self.conn.execute(
"INSERT INTO work_node_execution "
"(node_exec_id, run_id, node_id, subagent_type, skill_ref, "
" input_schema_ref, output_schema_ref, input_payload, status) "
"VALUES ('node-1', 'run-1', 'n1', 'coder', 'skill-1', 'in.json', 'out.json', '{}', ?)",
(status,),
)
def test_valid_status_accepted(self):
self._insert_node_exec("waiting_for_quota")
self.conn.commit()
row = self.conn.execute(
"SELECT status FROM work_node_execution WHERE node_exec_id = 'node-1'"
).fetchone()
self.assertEqual(row[0], "waiting_for_quota")
def test_invalid_status_rejected(self):
with self.assertRaises(sqlite3.IntegrityError):
self._insert_node_exec("not_a_real_status")
class ForeignKeyEnforcementTest(ConstraintTestBase):
def test_task_rejects_unknown_project_id(self):
with self.assertRaises(sqlite3.IntegrityError):
self.insert_task(task_id="task-1", project_id="does-not-exist")
def test_work_node_execution_rejects_unknown_skill_ref(self):
self.insert_project()
self.insert_task()
self.insert_work_graph_run()
with self.assertRaises(sqlite3.IntegrityError):
self.conn.execute(
"INSERT INTO work_node_execution "
"(node_exec_id, run_id, node_id, subagent_type, skill_ref, "
" input_schema_ref, output_schema_ref, input_payload, status) "
"VALUES ('node-1', 'run-1', 'n1', 'coder', 'no-such-skill', 'in.json', 'out.json', '{}', 'pending')"
)
class WorkGraphRunActiveUniqueIndexTest(ConstraintTestBase):
"""01-M 1.3: only one active (planning/running/merging/verifying) run per
(task_id, org_node) at a time -- terminal-status runs don't count."""
def setUp(self):
super().setUp()
self.insert_project()
self.insert_task()
def test_second_active_run_for_same_task_and_org_node_rejected(self):
self.insert_work_graph_run("run-1", "task-1", "coder", status="running")
with self.assertRaises(sqlite3.IntegrityError):
self.insert_work_graph_run("run-2", "task-1", "coder", status="planning")
def test_second_run_allowed_once_first_is_terminal(self):
self.insert_work_graph_run("run-1", "task-1", "coder", status="done")
self.insert_work_graph_run("run-2", "task-1", "coder", status="planning")
count = self.conn.execute(
"SELECT COUNT(*) FROM work_graph_run WHERE task_id = 'task-1' AND org_node = 'coder'"
).fetchone()[0]
self.assertEqual(count, 2)
class ArtifactUniqueConstraintTest(ConstraintTestBase):
def setUp(self):
super().setUp()
self.insert_project()
self.insert_task()
self.insert_work_graph_run()
def _insert_artifact(self, artifact_id):
self.conn.execute(
"INSERT INTO artifact (artifact_id, artifact_type, task_id, produced_by_run_id, "
"file_path, git_commit_sha) VALUES (?, 'sdd', 'task-1', 'run-1', 'sdd.md', 'sha-1')",
(artifact_id,),
)
def test_duplicate_task_type_commit_rejected(self):
self._insert_artifact("artifact-1")
self.conn.commit()
with self.assertRaises(sqlite3.IntegrityError):
self._insert_artifact("artifact-2")
class ExecutionLogFileUniqueConstraintTest(ConstraintTestBase):
def setUp(self):
super().setUp()
self.insert_project()
self.insert_task()
self.insert_skill()
self.insert_work_graph_run()
self.conn.execute(
"INSERT INTO work_node_execution "
"(node_exec_id, run_id, node_id, subagent_type, skill_ref, "
" input_schema_ref, output_schema_ref, input_payload, status) "
"VALUES ('node-1', 'run-1', 'n1', 'coder', 'skill-1', 'in.json', 'out.json', '{}', 'running')"
)
self.conn.commit()
def test_second_log_file_for_same_node_exec_rejected(self):
self.conn.execute(
"INSERT INTO execution_log_file (log_file_id, node_exec_id, project_id, file_path, format, status) "
"VALUES ('log-1', 'node-1', 'proj-1', '/logs/node-1.jsonl', 'jsonl', 'active')"
)
self.conn.commit()
with self.assertRaises(sqlite3.IntegrityError):
self.conn.execute(
"INSERT INTO execution_log_file (log_file_id, node_exec_id, project_id, file_path, format, status) "
"VALUES ('log-2', 'node-1', 'proj-1', '/logs/node-1-again.jsonl', 'jsonl', 'active')"
)
class BugRecordRootCauseCategoryTest(ConstraintTestBase):
"""core_engine was PH5-scoped and deliberately excluded pre-U-034
(confirmed with user, 2026-07-30); U-034 (2026-08-02) widened the enum
to accept it -- 05 §5.8's self-target routing needs it as a real,
storable category, not just a documented intention."""
def _insert_bug(self, root_cause_category):
self.conn.execute(
"INSERT INTO bug_record (bug_id, source, description, root_cause_category, status) "
"VALUES ('bug-1', 'validator', 'wall collision misjudged', ?, 'open')",
(root_cause_category,),
)
def test_all_four_categories_accepted(self):
for category in ("planning", "coder", "skill_defect", "core_engine"):
with self.subTest(category=category):
conn = schema.connect(":memory:")
schema.create_schema(conn)
conn.execute(
"INSERT INTO bug_record (bug_id, source, description, root_cause_category, status) "
"VALUES ('bug-1', 'validator', 'x', ?, 'open')",
(category,),
)
conn.commit()
conn.close()
def test_unknown_category_still_rejected(self):
with self.assertRaises(sqlite3.IntegrityError):
self._insert_bug("not_a_real_category")
class DeploymentEnumConstraintTest(ConstraintTestBase):
def _insert_deployment(self, deployment_id, status):
self.conn.execute(
"INSERT INTO deployment (deployment_id, git_commit_hash, previous_commit_hash, status, "
"previous_instance_dir) VALUES (?, 'sha-new', 'sha-old', ?, '/tmp/prev-instance')",
(deployment_id, status),
)
def test_every_state_machine_status_accepted(self):
statuses = (
"staged", "candidate_starting", "health_check_running", "health_check_passed",
"health_check_failed", "cutover_in_progress", "live", "monitoring",
"anomaly_detected", "rollback_in_progress", "rolled_back", "rollback_failed",
"blocked_pending_human", "monitoring_window_clean", "finalized",
)
for status in statuses:
with self.subTest(status=status):
conn = schema.connect(":memory:")
schema.create_schema(conn)
conn.execute(
"INSERT INTO deployment (deployment_id, git_commit_hash, previous_commit_hash, status, "
"previous_instance_dir) VALUES ('d1', 'sha-new', 'sha-old', ?, '/tmp/prev-instance')",
(status,),
)
conn.commit()
conn.close()
def test_invalid_status_rejected(self):
with self.assertRaises(sqlite3.IntegrityError):
self._insert_deployment("d1", "not_a_real_status")
class DeploymentActiveUniqueIndexTest(ConstraintTestBase):
"""01-M 1.15: only one non-terminal deployment (not finalized/rolled_back/
blocked_pending_human) at a time -- concurrent self-modifying deploys
would corrupt the single Live/previous_instance_dir bookkeeping."""
def _insert_deployment(self, deployment_id, status):
self.conn.execute(
"INSERT INTO deployment (deployment_id, git_commit_hash, previous_commit_hash, status, "
"previous_instance_dir) VALUES (?, 'sha-new', 'sha-old', ?, '/tmp/prev-instance')",
(deployment_id, status),
)
def test_second_active_deployment_rejected(self):
self._insert_deployment("d1", "staged")
self.conn.commit()
with self.assertRaises(sqlite3.IntegrityError):
self._insert_deployment("d2", "candidate_starting")
def test_second_deployment_allowed_once_first_is_terminal(self):
for terminal_status in ("finalized", "rolled_back", "blocked_pending_human"):
with self.subTest(terminal_status=terminal_status):
conn = schema.connect(":memory:")
schema.create_schema(conn)
conn.execute(
"INSERT INTO deployment (deployment_id, git_commit_hash, previous_commit_hash, status, "
"previous_instance_dir) VALUES ('d1', 'sha-new', 'sha-old', ?, '/tmp/prev-instance')",
(terminal_status,),
)
conn.commit()
conn.execute(
"INSERT INTO deployment (deployment_id, git_commit_hash, previous_commit_hash, status, "
"previous_instance_dir) VALUES ('d2', 'sha-newer', 'sha-new', 'staged', '/tmp/prev-instance-2')"
)
conn.commit()
count = conn.execute("SELECT COUNT(*) FROM deployment").fetchone()[0]
conn.close()
self.assertEqual(count, 2)
class DeployHealthSignalTest(ConstraintTestBase):
def setUp(self):
super().setUp()
self.conn.execute(
"INSERT INTO deployment (deployment_id, git_commit_hash, previous_commit_hash, status, "
"previous_instance_dir) VALUES ('d1', 'sha-new', 'sha-old', 'health_check_running', "
"'/tmp/prev-instance')"
)
self.conn.commit()
def test_valid_signal_accepted(self):
self.conn.execute(
"INSERT INTO deploy_health_signal (signal_id, deployment_id, sampled_at, signal_type, status, detail) "
"VALUES ('sig-1', 'd1', '2026-08-02T00:00:00Z', 'process_alive', 'ok', 'pid 1234 alive')"
)
self.conn.commit()
row = self.conn.execute("SELECT status FROM deploy_health_signal WHERE signal_id = 'sig-1'").fetchone()
self.assertEqual(row[0], "ok")
def test_invalid_signal_type_rejected(self):
with self.assertRaises(sqlite3.IntegrityError):
self.conn.execute(
"INSERT INTO deploy_health_signal (signal_id, deployment_id, sampled_at, signal_type, status) "
"VALUES ('sig-1', 'd1', '2026-08-02T00:00:00Z', 'not_a_real_signal', 'ok')"
)
def test_invalid_status_rejected(self):
with self.assertRaises(sqlite3.IntegrityError):
self.conn.execute(
"INSERT INTO deploy_health_signal (signal_id, deployment_id, sampled_at, signal_type, status) "
"VALUES ('sig-1', 'd1', '2026-08-02T00:00:00Z', 'process_alive', 'not_a_real_status')"
)
def test_rejects_unknown_deployment_id(self):
with self.assertRaises(sqlite3.IntegrityError):
self.conn.execute(
"INSERT INTO deploy_health_signal (signal_id, deployment_id, sampled_at, signal_type, status) "
"VALUES ('sig-1', 'no-such-deployment', '2026-08-02T00:00:00Z', 'process_alive', 'ok')"
)
if __name__ == "__main__":
unittest.main()