Build 060.3: add REST trade schema validation

app/tests/unit/market_data/acquisition/validation/test_schema.py

@@ -8,9 +8,11 @@ import pytest
 
 from src.market_data.acquisition.exceptions import (
     InstrumentReferenceSchemaError,
+    TradeSchemaError,
 )
 from src.market_data.acquisition.validation.schema import (
     validate_exchange_info_schema,
+    validate_rest_agg_trades_schema,
 )
 
 
@@ -265,4 +267,163 @@ def test_reject_non_object_payload_collection_item(key: str) -> None:
         InstrumentReferenceSchemaError,
         match=rf"\.{key}\[0\] должен быть JSON-объектом",
     ):
-        validate_exchange_info_schema(document)
+        validate_exchange_info_schema(document)
+
+
+def test_validate_rest_agg_trades_document() -> None:
+    document = [
+        {
+            "a": 2134857062,
+            "p": "64497.25",
+            "q": "0.005",
+            "T": 1784218066823,
+            "m": False,
+        },
+        {
+            "a": 2134857063,
+            "p": "64498.10",
+            "q": "0.002",
+            "T": 1784218067000,
+            "m": True,
+        },
+    ]
+
+    validated = validate_rest_agg_trades_schema(document)
+
+    assert len(validated.items) == 2
+    assert validated.items[0]["a"] == 2134857062
+    assert validated.items[0]["p"] == "64497.25"
+    assert validated.items[0]["q"] == "0.005"
+    assert validated.items[0]["T"] == 1784218066823
+    assert validated.items[0]["m"] is False
+    assert isinstance(validated.items, tuple)
+    assert isinstance(validated.items[0], MappingProxyType)
+
+
+def test_validate_empty_rest_agg_trades_document() -> None:
+    validated = validate_rest_agg_trades_schema([])
+
+    assert validated.items == ()
+
+
+def test_rest_agg_trades_schema_preserves_unchecked_field_values() -> None:
+    document = [
+        {
+            "a": "invalid-id",
+            "p": None,
+            "q": [],
+            "T": False,
+            "m": 123,
+        }
+    ]
+
+    validated = validate_rest_agg_trades_schema(document)
+
+    assert validated.items[0]["a"] == "invalid-id"
+    assert validated.items[0]["p"] is None
+    assert validated.items[0]["q"] == []
+    assert validated.items[0]["T"] is False
+    assert validated.items[0]["m"] == 123
+
+
+def test_rest_agg_trades_schema_preserves_additional_fields() -> None:
+    document = [
+        {
+            "a": 2134857062,
+            "p": "64497.25",
+            "q": "0.005",
+            "T": 1784218066823,
+            "m": False,
+            "extra": "preserved",
+        }
+    ]
+
+    validated = validate_rest_agg_trades_schema(document)
+
+    assert validated.items[0]["extra"] == "preserved"
+
+
+@pytest.mark.parametrize(
+    "document",
+    [
+        None,
+        {},
+        "invalid",
+        123,
+    ],
+)
+def test_reject_non_list_rest_agg_trades_root(
+    document: object,
+) -> None:
+    with pytest.raises(
+        TradeSchemaError,
+        match=r"\$ должен быть JSON-массивом",
+    ):
+        validate_rest_agg_trades_schema(document)
+
+
+@pytest.mark.parametrize(
+    "item",
+    [
+        None,
+        [],
+        "invalid",
+        123,
+    ],
+)
+def test_reject_non_object_rest_agg_trade_item(
+    item: object,
+) -> None:
+    with pytest.raises(
+        TradeSchemaError,
+        match=r"\$\[0\] должен быть JSON-объектом",
+    ):
+        validate_rest_agg_trades_schema([item])
+
+
+@pytest.mark.parametrize(
+    "missing_key",
+    [
+        "a",
+        "p",
+        "q",
+        "T",
+        "m",
+    ],
+)
+def test_reject_rest_agg_trade_with_missing_required_field(
+    missing_key: str,
+) -> None:
+    item: dict[str, object] = {
+        "a": 2134857062,
+        "p": "64497.25",
+        "q": "0.005",
+        "T": 1784218066823,
+        "m": False,
+    }
+    del item[missing_key]
+
+    with pytest.raises(
+        TradeSchemaError,
+        match=rf"\$\[0\]\.{missing_key} отсутствует",
+    ):
+        validate_rest_agg_trades_schema([item])
+
+
+def test_reject_rest_agg_trade_with_non_string_key() -> None:
+    document = [
+        {
+            "a": 2134857062,
+            "p": "64497.25",
+            "q": "0.005",
+            "T": 1784218066823,
+            "m": False,
+            1: "invalid",
+        }
+    ]
+
+    with pytest.raises(
+        TradeSchemaError,
+        match=r"\$\[0\] содержит нестроковый ключ типа int",
+    ):
+        validate_rest_agg_trades_schema(document)