Add config flow for Coinbase (#45354)

Co-authored-by: Franck Nijhof <frenck@frenck.nl>

tests/components/coinbase/common.py

@@ -0,0 +1,84 @@
+"""Collection of helpers."""
+from homeassistant.components.coinbase.const import (
+    CONF_CURRENCIES,
+    CONF_EXCHANGE_RATES,
+    DOMAIN,
+)
+from homeassistant.const import CONF_API_KEY, CONF_API_TOKEN
+
+from .const import GOOD_EXCHNAGE_RATE, GOOD_EXCHNAGE_RATE_2, MOCK_ACCOUNTS_RESPONSE
+
+from tests.common import MockConfigEntry
+
+
+class MockPagination:
+    """Mock pagination result."""
+
+    def __init__(self, value=None):
+        """Load simple pagination for tests."""
+        self.next_starting_after = value
+
+
+class MockGetAccounts:
+    """Mock accounts with pagination."""
+
+    def __init__(self, starting_after=0):
+        """Init mocked object, forced to return two at a time."""
+        if (target_end := starting_after + 2) >= (
+            max_end := len(MOCK_ACCOUNTS_RESPONSE)
+        ):
+            end = max_end
+            self.pagination = MockPagination(value=None)
+        else:
+            end = target_end
+            self.pagination = MockPagination(value=target_end)
+
+        self.accounts = {
+            "data": MOCK_ACCOUNTS_RESPONSE[starting_after:end],
+        }
+        self.started_at = starting_after
+
+    def __getitem__(self, item):
+        """Handle subscript request."""
+        return self.accounts[item]
+
+
+def mocked_get_accounts(_, **kwargs):
+    """Return simplied accounts using mock."""
+    return MockGetAccounts(**kwargs)
+
+
+def mock_get_current_user():
+    """Return a simplified mock user."""
+    return {
+        "id": "123456-abcdef",
+        "name": "Test User",
+    }
+
+
+def mock_get_exchange_rates():
+    """Return a heavily reduced mock list of exchange rates for testing."""
+    return {
+        "currency": "USD",
+        "rates": {GOOD_EXCHNAGE_RATE_2: "0.109", GOOD_EXCHNAGE_RATE: "0.00002"},
+    }
+
+
+async def init_mock_coinbase(hass):
+    """Init Coinbase integration for testing."""
+    config_entry = MockConfigEntry(
+        domain=DOMAIN,
+        unique_id="abcde12345",
+        title="Test User",
+        data={CONF_API_KEY: "123456", CONF_API_TOKEN: "AbCDeF"},
+        options={
+            CONF_CURRENCIES: [],
+            CONF_EXCHANGE_RATES: [],
+        },
+    )
+    config_entry.add_to_hass(hass)
+
+    await hass.config_entries.async_setup(config_entry.entry_id)
+    await hass.async_block_till_done()
+
+    return config_entry