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test(xai-image): regression-guard literal '1k'/'2k' resolution payload

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The xAI image-gen provider was DOA from PR #14765 onward — every request
422'd because the resolution param was being mapped to '1024'/'2048' but
xAI's API expects the literal strings '1k'/'2k'. PR #18678 fixed the
mapping; this test asserts the wire payload carries the literal so the
regression cannot recur silently.
This commit is contained in:
Teknium 2026-05-09 13:07:28 -07:00
parent 5b32c9fc66
commit dcff23a25f
1 changed files with 22 additions and 0 deletions
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22
tests/plugins/image_gen/test_xai_provider.py
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@ -239,6 +239,28 @@ class TestGenerate:
assert "Bearer test-key-12345" in headers["Authorization"]
assert "Hermes-Agent" in headers["User-Agent"]
def test_payload_resolution_is_literal_1k_or_2k(self):
"""Regression: xAI API rejects numeric resolutions ("1024"/"2048") with 422.
The endpoint expects the literal strings "1k" or "2k". Ensure the wire
payload carries that literal — not a numeric mapping. See PR #18678.
"""
from plugins.image_gen.xai import XAIImageGenProvider
mock_resp = MagicMock()
mock_resp.status_code = 200
mock_resp.raise_for_status = MagicMock()
mock_resp.json.return_value = {"data": [{"url": "https://xai.image/test.png"}]}
with patch("plugins.image_gen.xai.requests.post", return_value=mock_resp) as mock_post:
provider = XAIImageGenProvider()
provider.generate(prompt="test")
payload = mock_post.call_args.kwargs.get("json") or mock_post.call_args[1].get("json")
assert payload["resolution"] in {"1k", "2k"}, (
f"resolution must be the literal '1k' or '2k', got {payload['resolution']!r}"
)
# ---------------------------------------------------------------------------
# Registration test