Sergey Antropoff
88 lines
2.5 KiB
Python
88 lines
2.5 KiB
Python
"""Semantic contract diff classification and rendering tests."""
|
|
|
|
import json
|
|
from datetime import UTC, datetime
|
|
|
|
from app.contracts.diff import (
|
|
Severity,
|
|
compare_snapshots,
|
|
has_breaking_changes,
|
|
render_html,
|
|
render_json,
|
|
render_markdown,
|
|
render_text,
|
|
)
|
|
from app.contracts.model import Method, PathContract, Schema, Snapshot
|
|
|
|
|
|
def snapshot(paths: tuple[PathContract, ...]) -> Snapshot:
|
|
return Snapshot(
|
|
source_version="test",
|
|
retrieved_at=datetime(2026, 1, 1, tzinfo=UTC),
|
|
raw_sha256="0" * 64,
|
|
paths=paths,
|
|
path_count=len(paths),
|
|
method_count=sum(len(path.methods) for path in paths),
|
|
)
|
|
|
|
|
|
def method(description: str = "old", returns: Schema | None = None) -> Method:
|
|
return Method(
|
|
verb="GET",
|
|
name="read",
|
|
description=description,
|
|
returns=returns or Schema(type="string"),
|
|
checksum="1" * 64,
|
|
)
|
|
|
|
|
|
def test_classifies_added_removed_and_changed_contracts() -> None:
|
|
before = snapshot(
|
|
(
|
|
PathContract(path="/removed", methods=(method(),)),
|
|
PathContract(path="/version", methods=(method(),)),
|
|
)
|
|
)
|
|
after = snapshot(
|
|
(
|
|
PathContract(path="/added", methods=(method(),)),
|
|
PathContract(
|
|
path="/version",
|
|
methods=(method("new", Schema(type="integer", minimum=1)),),
|
|
),
|
|
)
|
|
)
|
|
|
|
changes = compare_snapshots(before, after)
|
|
|
|
assert changes == tuple(sorted(changes))
|
|
assert {change.category for change in changes} >= {
|
|
"path",
|
|
"method",
|
|
"documentation",
|
|
"schema",
|
|
"constraint",
|
|
}
|
|
assert has_breaking_changes(changes)
|
|
assert any(change.severity is Severity.NON_BREAKING for change in changes)
|
|
|
|
|
|
def test_renderers_are_stable_and_escape_html() -> None:
|
|
before = snapshot((PathContract(path="/<old>", methods=(method(),)),))
|
|
after = snapshot(())
|
|
changes = compare_snapshots(before, after)
|
|
|
|
assert render_text(changes).startswith("breaking:")
|
|
assert "| breaking |" in render_markdown(changes)
|
|
assert "<old>" in render_html(changes)
|
|
decoded = json.loads(render_json(changes))
|
|
assert decoded[0]["severity"] == "breaking"
|
|
assert render_json(changes) == render_json(changes)
|
|
|
|
|
|
def test_no_changes_has_clean_ci_policy() -> None:
|
|
value = snapshot((PathContract(path="/version", methods=(method(),)),))
|
|
|
|
assert compare_snapshots(value, value) == ()
|
|
assert not has_breaking_changes(())
|