feat: add jina embedding (#1647)

Co-authored-by: takatost <takatost@gmail.com>

api/tests/integration_tests/models/embedding/test_jina_embedding.py

@@ -0,0 +1,42 @@
+import json
+import os
+from unittest.mock import patch
+
+from core.model_providers.models.embedding.jina_embedding import JinaEmbedding
+from core.model_providers.providers.jina_provider import JinaProvider
+from models.provider import Provider, ProviderType
+
+
+def get_mock_provider(valid_api_key):
+    return Provider(
+        id='provider_id',
+        tenant_id='tenant_id',
+        provider_name='jina',
+        provider_type=ProviderType.CUSTOM.value,
+        encrypted_config=json.dumps({
+            'api_key': valid_api_key
+        }),
+        is_valid=True,
+    )
+
+
+def get_mock_embedding_model():
+    model_name = 'jina-embeddings-v2-small-en'
+    valid_api_key = os.environ['JINA_API_KEY']
+    provider = JinaProvider(provider=get_mock_provider(valid_api_key))
+    return JinaEmbedding(
+        model_provider=provider,
+        name=model_name
+    )
+
+
+def decrypt_side_effect(tenant_id, encrypted_api_key):
+    return encrypted_api_key
+
+
+@patch('core.helper.encrypter.decrypt_token', side_effect=decrypt_side_effect)
+def test_embedding(mock_decrypt):
+    embedding_model = get_mock_embedding_model()
+    rst = embedding_model.client.embed_query('test')
+    assert isinstance(rst, list)
+    assert len(rst) == 512