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cc-ci/tests/matrix-synapse/functional/test_federation_version.py
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Python

"""matrix-synapse — recipe-specific functional test (Phase 2 P3, ≥2 beyond parity).
Plan §4.3 explicitly names `/_matrix/federation/v1/version` as a matrix-synapse-specific test
target ("federation endpoint reachable"). This endpoint is the canonical "is this server
discoverable on the Matrix federation" probe — every Synapse exposes it, and federating servers
hit it to learn the running implementation + version.
This test fetches `/_matrix/federation/v1/version` and asserts:
1. Status 200.
2. JSON body with the documented `server` envelope: `{ "server": { "name": ..., "version": ... } }`.
3. `server.name` is the string `"Synapse"` (the running implementation).
4. `server.version` is a non-empty string (the running synapse build).
Non-vacuous: a generic matrix-compatible server with a different implementation name (e.g.
Dendrite) would fail the `name == "Synapse"` check. A misconfigured Synapse that hasn't booted
its federation subsystem returns 502; a homeserver with federation disabled returns 403/404.
Runs in the custom tier against the shared post-install live deployment.
"""
from __future__ import annotations
import os
import sys
sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "..", "..", "runner"))
from harness import http as harness_http # noqa: E402
def test_federation_version_endpoint(live_app):
"""GET /_matrix/federation/v1/version → 200, JSON with server.name=Synapse."""
url = f"https://{live_app}/_matrix/federation/v1/version"
status, body = harness_http.retry_http_get(url, expect_status=200, max_wait=60, interval=3)
assert status == 200, f"GET {url} HTTP {status} (expected 200)"
assert isinstance(body, dict), f"federation version returned non-dict: {type(body).__name__}"
server = body.get("server")
assert isinstance(
server, dict
), f"federation version response missing 'server' envelope: {body!r}"
name = server.get("name")
assert name == "Synapse", f"server.name={name!r}, expected 'Synapse'"
version = server.get("version")
assert (
isinstance(version, str) and len(version) > 0
), f"server.version is not a non-empty string: {version!r}"