Unit test for deprecation

tests/unit/test_deprecations.py

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+import contextlib
+import warnings
+from unittest import mock
+
+import earthaccess
+import pytest
+import responses
+from earthaccess.api import get_s3fs_session
+from earthaccess.store import Store
+
+
+@pytest.fixture(scope="session")
+@responses.activate
+@mock.patch("getpass.getpass")
+@mock.patch("builtins.input")
+def auth(user_input, user_password):
+    user_input.return_value = "user"
+    user_password.return_value = "password"
+    json_response = [
+        {"access_token": "EDL-token-1", "expiration_date": "12/15/2021"},
+        {"access_token": "EDL-token-2", "expiration_date": "12/16/2021"},
+    ]
+    responses.add(
+        responses.GET,
+        "https://urs.earthdata.nasa.gov/api/users/tokens",
+        json=json_response,
+        status=200,
+    )
+    responses.add(
+        responses.GET,
+        "https://urs.earthdata.nasa.gov/profile",
+        json={"email_address": "[email protected]"},
+        status=200,
+    )
+
+    earthaccess.login(strategy="interactive")
+
+    return earthaccess.__auth__
+
+
+def test_deprecation_warning_for_api():
+    with warnings.catch_warnings(record=True) as w:
+        # Cause all warnings to always be triggered.
+        warnings.simplefilter("always")
+        # Trigger a warning.
+        with contextlib.suppress(AttributeError):
+            get_s3fs_session()
+        # Verify some things
+        assert issubclass(w[0].category, DeprecationWarning)
+        assert "Use get_s3_filesystem instead" in str(w[0].message)
+
+def test_deprecation_warning_for_store(auth):
+    store = Store(auth)
+    with warnings.catch_warnings(record=True) as w:
+        # Cause all warnings to always be triggered.
+        warnings.simplefilter("always")
+        # Trigger a warning.
+        with contextlib.suppress(ValueError):
+            store.get_s3fs_session()
+        # Verify some things
+        assert issubclass(w[0].category, DeprecationWarning)
+        assert "Use get_s3_filesystem instead" in str(w[0].message)
+
+