feat(mcp_common): add environment.resolve_environment with TDD

2026-04-27 17:39:52 +02:00
parent 888a3cde84
commit 37e5024acc
2 changed files with 147 additions and 0 deletions
@@ -0,0 +1,88 @@
+from __future__ import annotations
+
+import json
+
+import pytest
+
+from mcp_common.environment import EnvironmentInfo, resolve_environment
+
+
+def test_env_var_overrides_secret(monkeypatch):
+    monkeypatch.setenv("DERIBIT_TESTNET", "false")
+    creds = {"testnet": True, "base_url_live": "L", "base_url_testnet": "T"}
+    info = resolve_environment(
+        creds,
+        env_var="DERIBIT_TESTNET",
+        flag_key="testnet",
+        exchange="deribit",
+    )
+    assert info.environment == "mainnet"
+    assert info.source == "env"
+    assert info.env_value == "false"
+    assert info.base_url == "L"
+
+
+def test_secret_used_when_env_missing(monkeypatch):
+    monkeypatch.delenv("DERIBIT_TESTNET", raising=False)
+    creds = {"testnet": True, "base_url_live": "L", "base_url_testnet": "T"}
+    info = resolve_environment(
+        creds,
+        env_var="DERIBIT_TESTNET",
+        flag_key="testnet",
+        exchange="deribit",
+    )
+    assert info.environment == "testnet"
+    assert info.source == "credentials"
+    assert info.env_value is None
+    assert info.base_url == "T"
+
+
+def test_default_when_both_missing(monkeypatch):
+    monkeypatch.delenv("FOO_TESTNET", raising=False)
+    creds = {"base_url_live": "L", "base_url_testnet": "T"}
+    info = resolve_environment(
+        creds,
+        env_var="FOO_TESTNET",
+        flag_key="testnet",
+        exchange="foo",
+    )
+    assert info.environment == "testnet"
+    assert info.source == "default"
+    assert info.env_value is None
+
+
+@pytest.mark.parametrize("raw,expected", [
+    ("1", "testnet"),
+    ("true", "testnet"),
+    ("yes", "testnet"),
+    ("on", "testnet"),
+    ("TRUE", "testnet"),
+    ("0", "mainnet"),
+    ("false", "mainnet"),
+    ("no", "mainnet"),
+    ("off", "mainnet"),
+    ("garbage", "mainnet"),
+])
+def test_env_value_truthy_parsing(monkeypatch, raw, expected):
+    monkeypatch.setenv("X_TESTNET", raw)
+    info = resolve_environment(
+        {"base_url_live": "L", "base_url_testnet": "T"},
+        env_var="X_TESTNET",
+        flag_key="testnet",
+        exchange="x",
+    )
+    assert info.environment == expected
+
+
+def test_alpaca_paper_flag_key(monkeypatch):
+    """Alpaca usa 'paper' invece di 'testnet' nel secret."""
+    monkeypatch.delenv("ALPACA_PAPER", raising=False)
+    creds = {"paper": False, "base_url_live": "L", "base_url_testnet": "T"}
+    info = resolve_environment(
+        creds,
+        env_var="ALPACA_PAPER",
+        flag_key="paper",
+        exchange="alpaca",
+    )
+    assert info.environment == "mainnet"
+    assert info.source == "credentials"