Add nomic embedding model provider (#8640)

api/tests/integration_tests/model_runtime/nomic/test_embeddings.py

@@ -0,0 +1,62 @@
+import os
+
+import pytest
+
+from core.model_runtime.entities.text_embedding_entities import TextEmbeddingResult
+from core.model_runtime.errors.validate import CredentialsValidateFailedError
+from core.model_runtime.model_providers.nomic.text_embedding.text_embedding import NomicTextEmbeddingModel
+from tests.integration_tests.model_runtime.__mock.nomic_embeddings import setup_nomic_mock
+
+
+@pytest.mark.parametrize("setup_nomic_mock", [["text_embedding"]], indirect=True)
+def test_validate_credentials(setup_nomic_mock):
+    model = NomicTextEmbeddingModel()
+
+    with pytest.raises(CredentialsValidateFailedError):
+        model.validate_credentials(
+            model="nomic-embed-text-v1.5",
+            credentials={
+                "nomic_api_key": "invalid_key",
+            },
+        )
+
+    model.validate_credentials(
+        model="nomic-embed-text-v1.5",
+        credentials={
+            "nomic_api_key": os.environ.get("NOMIC_API_KEY"),
+        },
+    )
+
+
+@pytest.mark.parametrize("setup_nomic_mock", [["text_embedding"]], indirect=True)
+def test_invoke_model(setup_nomic_mock):
+    model = NomicTextEmbeddingModel()
+
+    result = model.invoke(
+        model="nomic-embed-text-v1.5",
+        credentials={
+            "nomic_api_key": os.environ.get("NOMIC_API_KEY"),
+        },
+        texts=["hello", "world"],
+        user="foo",
+    )
+
+    assert isinstance(result, TextEmbeddingResult)
+    assert result.model == "nomic-embed-text-v1.5"
+    assert len(result.embeddings) == 2
+    assert result.usage.total_tokens == 2
+
+
+@pytest.mark.parametrize("setup_nomic_mock", [["text_embedding"]], indirect=True)
+def test_get_num_tokens(setup_nomic_mock):
+    model = NomicTextEmbeddingModel()
+
+    num_tokens = model.get_num_tokens(
+        model="nomic-embed-text-v1.5",
+        credentials={
+            "nomic_api_key": os.environ.get("NOMIC_API_KEY"),
+        },
+        texts=["hello", "world"],
+    )
+
+    assert num_tokens == 2