feat: add unit tests for config

tests/assets/config.null.yaml

@@ -0,0 +1,9 @@
+beacon_url: ~
+execution_url: ~
+web3signer_url: ~
+default_fee_recipient: ~
+slack_channel: ~
+slack_token: ~
+relays: ~
+liveness_file: ~
+watched_keys: ~

tests/assets/config.yaml

@@ -0,0 +1,19 @@
+# Example config file for the Ethereum watcher.
+
+beacon_url: http://localhost:5051/
+beacon_type: other
+beacon_timeout_sec: 90
+execution_url: http://localhost:8545/
+web3signer_url: http://web3signer:9000/
+default_fee_recipient: '0x41bF25fC8C52d292bD66D3BCEcd8a919ecB9EF88'
+slack_channel: '#ethereum-monitoring'
+slack_token: 'secret'
+relays:
+  - http://relay1
+  - http://relay2
+liveness_file: /tmp/i-am-alive
+
+watched_keys:
+  - public_key: '0x832b8286f5d6535fd941c6c4ed8b9b20d214fc6aa726ce4fba1c9dbb4f278132646304f550e557231b6932aa02cf08d3'
+    labels: ["google"]
+    fee_recipient: ~

tests/test_config.py

@@ -0,0 +1,92 @@
+import os
+
+from pathlib import Path
+from eth_validator_watcher.config import load_config, WatchedKeyConfig
+from eth_validator_watcher.models import BeaconType
+from tests import assets
+
+
+def test_null_config() -> None:
+    path = Path(assets.__file__).parent / "config.null.yaml"
+    config = load_config(path)
+
+    assert config.beacon_url is None
+    assert config.beacon_timeout_sec == 90
+    assert config.execution_url is None
+    assert config.web3signer_url is None
+    assert config.default_fee_recipient is None
+    assert config.slack_channel is None
+    assert config.slack_token is None
+    assert config.beacon_type == BeaconType.OTHER
+    assert config.relays is None
+    assert config.liveness_file is None
+    assert config.watched_keys is None
+
+
+def test_empty_config() -> None:
+    path = Path(assets.__file__).parent / "config.empty.yaml"
+    config = load_config(path)
+
+    assert config.beacon_url is None
+    assert config.beacon_timeout_sec == 90
+    assert config.execution_url is None
+    assert config.web3signer_url is None
+    assert config.default_fee_recipient is None
+    assert config.slack_channel is None
+    assert config.slack_token is None
+    assert config.beacon_type == BeaconType.OTHER
+    assert config.relays is None
+    assert config.liveness_file is None
+    assert config.watched_keys is None
+
+
+def test_filled_config() -> None:
+    path = Path(assets.__file__).parent / "config.yaml"
+    config = load_config(path)
+
+    assert config.beacon_url == 'http://localhost:5051/'
+    assert config.beacon_timeout_sec == 90
+    assert config.execution_url == 'http://localhost:8545/'
+    assert config.web3signer_url == 'http://web3signer:9000/'
+    assert config.default_fee_recipient == '0x41bF25fC8C52d292bD66D3BCEcd8a919ecB9EF88'
+    assert config.slack_channel == '#ethereum-monitoring'
+    assert config.slack_token == 'secret'
+    assert config.beacon_type == BeaconType.OTHER
+    assert config.relays == ['http://relay1', 'http://relay2']
+    assert config.liveness_file == '/tmp/i-am-alive'
+
+    assert [k.public_key for k in config.watched_keys] == ['0x832b8286f5d6535fd941c6c4ed8b9b20d214fc6aa726ce4fba1c9dbb4f278132646304f550e557231b6932aa02cf08d3']
+
+
+def test_filled_config_overriden() -> None:
+    environ = os.environ.copy()
+
+    os.environ['eth_watcher_beacon_url'] = 'http://override-beacon/'
+    os.environ['eth_watcher_beacon_timeout_sec'] = '42'
+    os.environ['eth_watcher_execution_url'] = 'http://override-exec/'
+    os.environ['eth_watcher_web3signer_url'] = 'http://override-web3signer/'
+    os.environ['eth_watcher_default_fee_recipient'] = '0x42'
+    os.environ['eth_watcher_slack_channel'] = '#ethereum-monitoring-override'
+    os.environ['eth_watcher_slack_token'] = 'secret-override'
+    os.environ['eth_watcher_beacon_type'] = 'nimbus'
+    os.environ['eth_watcher_relays'] = '["http://overriden-relay-1" ,"http://overriden-relay-2"]'
+    os.environ['eth_watcher_liveness_file'] = '/tmp/override-liveness-file'
+
+    path = Path(assets.__file__).parent / "config.yaml"
+    config = load_config(path)
+
+    assert config.beacon_url == 'http://override-beacon/'
+    assert config.beacon_timeout_sec == 42
+    assert config.execution_url == 'http://override-exec/'
+    assert config.web3signer_url == 'http://override-web3signer/'
+    assert config.default_fee_recipient == '0x42'
+    assert config.slack_channel == '#ethereum-monitoring-override'
+    assert config.slack_token == 'secret-override'
+    assert config.beacon_type == BeaconType.NIMBUS
+    assert config.relays == ['http://overriden-relay-1' ,'http://overriden-relay-2']
+    assert config.liveness_file == '/tmp/override-liveness-file'
+
+    assert [k.public_key for k in config.watched_keys] == ['0x832b8286f5d6535fd941c6c4ed8b9b20d214fc6aa726ce4fba1c9dbb4f278132646304f550e557231b6932aa02cf08d3']
+
+    os.environ.clear()
+    os.environ.update(environ)