async def test_first_success_strategy_returns_first_completed_success_response():
rs = jsonrpc.async_client.RequestWithBackups(backups=["backup"])
client = AsyncClient("primary", rs=rs)
client._send_http_request = gen_metadata_response(client, snap="primary")
metadata = await client.get_metadata()
assert metadata.script_hash_allow_list == ["backup"]
client._send_http_request = gen_metadata_response(client, snap="backup")
metadata = await client.get_metadata()
assert metadata.script_hash_allow_list == ["primary"]
async def test_fallback_to_second_if_first_failed():
rs = jsonrpc.async_client.RequestWithBackups(backups=["backup"])
client = AsyncClient("primary", rs=rs)
# primary will fail immediately, backup is slow but success
client._send_http_request = gen_metadata_response(client, fail="primary", snap="backup")
metadata = await client.get_metadata()
assert metadata.script_hash_allow_list == ["backup"]
async def test_fallback_to_backups_when_primary_failed():
client = AsyncClient(
"primary",
rs=jsonrpc.async_client.RequestWithBackups(backups=["backup"], fallback=True),
)
client._send_http_request = gen_metadata_response(client, fail="primary")
for _ in range(10):
metadata = await client.get_metadata()
assert metadata.script_hash_allow_list == ["backup"]
async def test_fallback_strategy_always_returns_primary_response_if_it_successes():
client = AsyncClient(
"primary",
rs=jsonrpc.async_client.RequestWithBackups(backups=["backup"], fallback=True),
)
client._send_http_request = gen_metadata_response(client)
for _ in range(10):
metadata = await client.get_metadata()
assert metadata.script_hash_allow_list == ["primary"]