Add nomic embedding model provider (#8640)

api/tests/integration_tests/model_runtime/__mock/nomic_embeddings.py

@@ -0,0 +1,59 @@
+import os
+from collections.abc import Callable
+from typing import Any, Literal, Union
+
+import pytest
+
+# import monkeypatch
+from _pytest.monkeypatch import MonkeyPatch
+from nomic import embed
+
+
+def create_embedding(texts: list[str], model: str, **kwargs: Any) -> dict:
+    texts_len = len(texts)
+
+    foo_embedding_sample = 0.123456
+
+    combined = {
+        "embeddings": [[foo_embedding_sample for _ in range(768)] for _ in range(texts_len)],
+        "usage": {"prompt_tokens": texts_len, "total_tokens": texts_len},
+        "model": model,
+        "inference_mode": "remote",
+    }
+
+    return combined
+
+
+def mock_nomic(
+    monkeypatch: MonkeyPatch,
+    methods: list[Literal["text_embedding"]],
+) -> Callable[[], None]:
+    """
+    mock nomic module
+
+    :param monkeypatch: pytest monkeypatch fixture
+    :return: unpatch function
+    """
+
+    def unpatch() -> None:
+        monkeypatch.undo()
+
+    if "text_embedding" in methods:
+        monkeypatch.setattr(embed, "text", create_embedding)
+
+    return unpatch
+
+
+MOCK = os.getenv("MOCK_SWITCH", "false").lower() == "true"
+
+
+@pytest.fixture
+def setup_nomic_mock(request, monkeypatch):
+    methods = request.param if hasattr(request, "param") else []
+    if MOCK:
+        unpatch = mock_nomic(monkeypatch, methods=methods)
+
+    yield
+
+    if MOCK:
+        unpatch()