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import tempfile
from pathlib import Path
import unittest
os.environ.setdefault("KMP_DUPLICATE_LIB_OK", "TRUE")
os.environ["MUSE_SKIP_MODEL_LOAD"] = "1"
from PIL import Image
import app
class GradioContractTests(unittest.TestCase):
def test_click_and_enter_have_validated_serial_generators(self):
dependencies = app.demo.get_config_file()["dependencies"]
generators = [dependency for dependency in dependencies if dependency["types"]["generator"]]
self.assertGreaterEqual(len(generators), 2)
targets = set()
api_generator = None
for dependency in generators:
targets.update(target[1] for target in dependency["targets"])
self.assertTrue(dependency["queue"])
self.assertEqual(dependency.get("api_visibility", "public"), "private")
self.assertEqual(len(dependency["outputs"]), 6)
self.assertEqual(len(dependency["inputs"]), 16)
function = app.demo.fns[dependency["id"]]
self.assertEqual(function.concurrency_id, "muse-glimmer-xlarge")
self.assertEqual(function.concurrency_limit, 1)
self.assertIsNotNone(function.validator)
if dependency["api_name"] == "chat":
api_generator = dependency
if dependency["api_name"] == app.SUBMIT_API_NAME:
self.assertEqual(dependency["types"]["generator"], True)
self.assertEqual(targets, {"click", "submit"})
self.assertIsNotNone(api_generator, "Expected one private API-visible generation path named chat.")
generator_functions = [app.demo.fns[dependency["id"]] for dependency in generators]
self.assertEqual(
{function.concurrency_id for function in generator_functions},
{"muse-glimmer-xlarge"},
)
self.assertTrue(all(function.concurrency_limit == 1 for function in generator_functions))
self.assertTrue(all(function.validator is not None for function in generator_functions))
api_names = set()
for dependency in generators:
api_names.add(dependency["api_name"])
self.assertEqual(api_names, {"chat", app.SUBMIT_API_NAME})
def test_stop_and_clear_cancel_click_and_enter_generation(self):
dependencies = app.demo.get_config_file()["dependencies"]
generator_ids = {
dependency["id"] for dependency in dependencies if dependency["types"]["generator"]
}
cancellation_edges = [
set(dependency["cancels"])
for dependency in dependencies
if dependency["types"]["cancel"]
]
self.assertEqual(len(cancellation_edges), 2)
self.assertTrue(all(edge == generator_ids for edge in cancellation_edges))
def test_invalid_requests_fail_the_queue_free_validator(self):
with tempfile.TemporaryDirectory() as tmpdir:
tmp_path = Path(tmpdir)
original_paths = {
model_id: spec["path"]
for model_id, spec in app.MODEL_REGISTRY.items()
}
for spec in app.MODEL_REGISTRY.values():
spec["path"] = tmp_path
try:
verdicts = app._validate_generation_request(
"",
None,
app.MODEL_DEFAULT_ID,
[],
[],
"",
"high",
False,
512,
1.0,
0.95,
64,
1.0,
42,
False,
True,
)
finally:
for model_id, original_path in original_paths.items():
app.MODEL_REGISTRY[model_id]["path"] = original_path
self.assertEqual(len(verdicts), 16)
self.assertFalse(verdicts[0]["is_valid"])
self.assertIn("prompt", verdicts[0]["message"].lower())
def test_model_id_payload_formats_from_ui_are_accepted(self):
with tempfile.TemporaryDirectory() as tmpdir:
tmp_path = Path(tmpdir)
original_paths = {
model_id: spec["path"]
for model_id, spec in app.MODEL_REGISTRY.items()
}
for spec in app.MODEL_REGISTRY.values():
spec["path"] = tmp_path
try:
verdict = app._validate_generation_request(
"hi",
None,
("Muse Glimmer 30B-assistant", app.ASSISTANT_MODEL_ID),
[],
[],
"",
"high",
False,
512,
1.0,
0.95,
64,
1.0,
42,
False,
True,
)[0]
finally:
for model_id, original_path in original_paths.items():
app.MODEL_REGISTRY[model_id]["path"] = original_path
self.assertTrue(verdict["is_valid"])
def test_legacy_model_labels_are_accepted_by_coercion(self):
self.assertEqual(app._coerce_model_id("/Muse-Glimmer 30B"), app.MODEL_ID)
self.assertEqual(app._coerce_model_id("/Muse-Glimmer-30B"), app.MODEL_ID)
self.assertEqual(app._coerce_model_id("Muse Glimmer 30B (full BF16)"), app.MODEL_ID)
self.assertEqual(app._coerce_model_id("Muse Glimmer 30B-assistant (compact)"), app.ASSISTANT_MODEL_ID)
self.assertEqual(app._coerce_model_id(""), app.MODEL_ID)
def test_validator_defaults_when_controls_are_missing(self):
with tempfile.TemporaryDirectory() as tmpdir:
tmp_path = Path(tmpdir)
original_paths = {
model_id: spec["path"]
for model_id, spec in app.MODEL_REGISTRY.items()
}
for spec in app.MODEL_REGISTRY.values():
spec["path"] = tmp_path
try:
verdict = app._validate_generation_request(
"hi",
None,
app.MODEL_DEFAULT_ID,
[],
[],
"",
"high",
False,
None,
None,
None,
None,
None,
42,
False,
True,
)[0]
finally:
for model_id, original_path in original_paths.items():
app.MODEL_REGISTRY[model_id]["path"] = original_path
self.assertTrue(verdict["is_valid"])
def test_numeric_model_id_payload_formats_from_ui_are_accepted(self):
with tempfile.TemporaryDirectory() as tmpdir:
tmp_path = Path(tmpdir)
original_paths = {
model_id: spec["path"]
for model_id, spec in app.MODEL_REGISTRY.items()
}
for spec in app.MODEL_REGISTRY.values():
spec["path"] = tmp_path
try:
verdict = app._validate_generation_request(
"hi",
None,
"1",
[],
[],
"",
"high",
False,
512,
1.0,
0.95,
64,
1.0,
42,
False,
True,
)[0]
finally:
for model_id, original_path in original_paths.items():
app.MODEL_REGISTRY[model_id]["path"] = original_path
self.assertTrue(verdict["is_valid"])
class StateContractTests(unittest.TestCase):
def test_only_two_recent_images_remain_in_model_history(self):
image = Image.new("RGB", (8, 8), "purple")
history = []
for index in range(3):
history.extend(
[
{
"role": "user",
"content": [
{"type": "image", "image": image.copy()},
{"type": "text", "text": f"turn {index}"},
],
},
{"role": "assistant", "content": f"answer {index}"},
]
)
cleaned = app._clean_model_history(history)
image_turns = [
message
for message in cleaned
if isinstance(message.get("content"), list)
and any(part.get("type") == "image" for part in message["content"])
]
self.assertEqual(len(image_turns), 2)
self.assertEqual(cleaned[0]["content"], "turn 0")
def test_stop_rolls_back_visible_chat_snapshot(self):
snapshot = [{"role": "user", "content": "committed"}]
chat, status = app._stop_conversation(snapshot)
self.assertEqual(chat, snapshot)
self.assertIsNot(chat, snapshot)
self.assertIn("not added", status)
class DurationContractTests(unittest.TestCase):
def setUp(self):
app.ACTIVE_MODEL_ID = None
def tearDown(self):
app.ACTIVE_MODEL_ID = app.MODEL_ID
def test_full_model_cold_start_requests_cold_start_budget(self):
duration = app._gpu_duration(
"hi",
None,
app.MODEL_ID,
[],
[],
"",
"high",
False,
512,
1.0,
0.95,
64,
1.0,
42,
False,
True,
)
self.assertEqual(duration, 120)
def test_full_model_reuse_keeps_estimate_after_load(self):
app.ACTIVE_MODEL_ID = app.MODEL_ID
duration = app._gpu_duration(
"hi",
None,
app.MODEL_ID,
[],
[],
"",
"high",
False,
512,
1.0,
0.95,
64,
1.0,
42,
False,
True,
)
self.assertEqual(duration, 121)
def test_assistant_selection_reuses_loaded_full_model(self):
app.ACTIVE_MODEL_ID = app.MODEL_ID
duration = app._gpu_duration(
"hi",
None,
app.ASSISTANT_MODEL_ID,
[],
[],
"",
"high",
False,
512,
1.0,
0.95,
64,
1.0,
42,
False,
True,
)
self.assertEqual(duration, 121)
class RuntimeChatObjectTests(unittest.TestCase):
def test_coerce_chat_objects_prefers_nested_tokenizer(self):
class FakeResponseToken:
def __init__(self, is_processor=True):
self.is_processor = is_processor
def apply_chat_template(self, *_args, **_kwargs):
return {"input_ids": []}
def get_response_parser(self, *_args, **_kwargs):
return "parser"
class FakeProcessor:
def __init__(self):
self.tokenizer = FakeResponseToken()
original_paths = {model_id: spec["path"] for model_id, spec in app.MODEL_REGISTRY.items()}
with tempfile.TemporaryDirectory() as tmpdir:
tmp_path = Path(tmpdir)
for spec in app.MODEL_REGISTRY.values():
spec["path"] = tmp_path
try:
processor, tokenizer = app._coerce_chat_objects(FakeProcessor(), app.MODEL_ID)
finally:
for model_id, original_path in original_paths.items():
app.MODEL_REGISTRY[model_id]["path"] = original_path
self.assertIsInstance(processor, FakeResponseToken)
self.assertIs(processor, tokenizer)
class ModelPathResolutionTests(unittest.TestCase):
def test_mount_path_resolution_prefers_nested_checkpoint(self):
with tempfile.TemporaryDirectory() as tmpdir:
tmp = Path(tmpdir)
nested = tmp / "Muse-Glimmer-30B"
nested.mkdir()
(nested / "config.json").write_text("{}")
(nested / "chat_template.jinja").write_text("")
resolved = app._resolve_mount_path(tmp)
self.assertEqual(resolved.name, "Muse-Glimmer-30B")
def test_mount_path_resolution_keeps_direct_checkpoint(self):
with tempfile.TemporaryDirectory() as tmpdir:
tmp = Path(tmpdir)
(tmp / "config.json").write_text("{}")
(tmp / "chat_template.jinja").write_text("")
resolved = app._resolve_mount_path(tmp)
self.assertEqual(resolved, tmp)
if __name__ == "__main__":
unittest.main()
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