quantizations

tests/test_tracker_routing.py

@@ -17,6 +17,7 @@ from meshnet_tracker.auth import sign_hive_request
 from meshnet_tracker.server import (
     TrackerServer,
     _NodeEntry,
+    _available_quantizations,
     _memory_pool_map,
     _registration_ban_error,
     _scale_demanded_models_locked,
@@ -130,6 +131,48 @@ def test_tracker_lists_recommended_kimi_before_nodes_register():
     assert network_map["recommended_models"][0]["id"] == "kimi-k2.7"
 
 
+def test_tracker_lists_recommended_qwen_27b_before_nodes_register():
+    """Recommended Qwen 27B is advertised with its pinned canonical artifact.
+
+    Tags: http, routing, tracker
+    """
+    tracker = TrackerServer()
+    port = tracker.start()
+    url = f"http://127.0.0.1:{port}"
+    try:
+        models = _get_json(f"{url}/v1/models")
+        network_map = _get_json(f"{url}/v1/network/map")
+    finally:
+        tracker.stop()
+
+    qwen = next(model for model in models["data"] if model["id"] == "qwen3.6-27b")
+    assert qwen["hf_repo"] == "Qwen/Qwen3.6-27B"
+    assert qwen["revision"] == "6a9e13bd6fc8f0983b9b99948120bc37f49c13e9"
+    assert qwen["metadata"]["num_layers"] == 64
+    assert qwen["metadata"]["text_only"] is True
+    assert qwen["deployment"]["recommended"] is True
+    advertised = next(model for model in network_map["recommended_models"] if model["id"] == "qwen3.6-27b")
+    assert advertised["hf_repo"] == "Qwen/Qwen3.6-27B"
+
+
+def test_quantization_coverage_uses_higher_precision_shards():
+    """A minimum-precision route may upgrade individual shards."""
+    bf16 = _NodeEntry(
+        "bf16", "http://node-a", 0, 0, "qwen3.6-27b", None, {}, None, 1.0,
+        quantization="bfloat16",
+    )
+    int8 = _NodeEntry(
+        "int8", "http://node-b", 1, 1, "qwen3.6-27b", None, {}, None, 1.0,
+        quantization="int8",
+    )
+
+    variants = {entry["id"]: entry for entry in _available_quantizations([bf16, int8], 0, 1)}
+
+    assert variants["bfloat16"]["selectable"] is False
+    assert variants["int8"]["selectable"] is True
+    assert variants["nf4"]["selectable"] is True
+
+
 def test_network_map_exposes_pool_size_and_speed_summary():
     "Network map exposes pool size and speed summary\n\nTags: http, routing, tracker"
     tracker = TrackerServer()