Testing expires in client

tests/test_client.py

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+import pytest
+import json
+from aiohttp import web
+from aioresponses import aioresponses
+from rapt.client import Client
+
+
+@pytest.fixture
+async def client(aiohttp_client):
+    app = web.Application()
+#    session = await aiohttp_client(app)
+    yield Client("test", "test", None)
+
+async def test_get_hydrometers(client):
+    with aioresponses() as responses:
+        responses.post("https://id.rapt.io/connect/token", payload=json_reader("./tests/json/token_response.json"), repeat=1)
+        headers1 = await client.get_auth_headers()
+        headers2 = await client.get_auth_headers()
+
+        assert headers1 == headers2
+
+def json_reader(path):
+    with open(path) as f:
+        return json.load(f)