Merge latest master in v0.2.0

lighthouse/environment/tests/environment_builder.rs

@@ -0,0 +1,93 @@
+/*
+ *
+ * TODO: disabled until hardcoded testnet config is updated for v0.11
+ *
+ *
+#![cfg(test)]
+
+use clap::ArgMatches;
+use environment::EnvironmentBuilder;
+use eth2_testnet_config::Eth2TestnetConfig;
+use std::path::PathBuf;
+use types::{Epoch, MainnetEthSpec, YamlConfig};
+
+fn builder() -> EnvironmentBuilder<MainnetEthSpec> {
+    EnvironmentBuilder::mainnet()
+        .single_thread_tokio_runtime()
+        .expect("should set runtime")
+        .null_logger()
+        .expect("should set logger")
+}
+
+fn dummy_data_dir() -> PathBuf {
+    PathBuf::from("./tests/datadir_that_does_not_exist")
+}
+
+fn eth2_testnet_config() -> Eth2TestnetConfig<MainnetEthSpec> {
+    Eth2TestnetConfig::hard_coded().expect("should decode hard_coded params")
+}
+
+mod setup_eth2_config {
+    use super::*;
+
+    #[test]
+    fn returns_err_if_the_loaded_config_doesnt_match() {
+        // `Minimal` spec
+        let path_to_minimal_spec = PathBuf::from("./tests/minimal_spec");
+
+        // `Mainnet` spec
+        let builder = builder();
+
+        let result = builder.setup_eth2_config(
+            path_to_minimal_spec,
+            eth2_testnet_config(),
+            &ArgMatches::default(),
+        );
+
+        assert!(result.is_err());
+        assert_eq!(
+            result.err().unwrap(),
+            "Eth2 config loaded from disk does not match client spec version. Got minimal expected mainnet"
+        );
+    }
+
+    #[test]
+    fn update_slot_time() {
+        // testnet
+        let cli_args =
+            beacon_node::cli_app().get_matches_from(vec!["app", "testnet", "--slot-time", "999"]);
+
+        let environment = builder()
+            .setup_eth2_config(dummy_data_dir(), eth2_testnet_config(), &cli_args)
+            .expect("should setup eth2_config")
+            .build()
+            .expect("should build environment");
+
+        assert_eq!(environment.eth2_config.spec.milliseconds_per_slot, 999);
+    }
+
+    #[test]
+    fn update_spec_with_yaml_config() {
+        let config_yaml = PathBuf::from("./tests/testnet_dir/config.yaml");
+
+        let mut eth2_testnet_config = eth2_testnet_config();
+        eth2_testnet_config.yaml_config =
+            Some(YamlConfig::from_file(config_yaml.as_path()).expect("should load yaml config"));
+
+        let environment = builder()
+            .setup_eth2_config(
+                dummy_data_dir(),
+                eth2_testnet_config,
+                &ArgMatches::default(),
+            )
+            .expect("should setup eth2_config")
+            .build()
+            .expect("should build environment");
+
+        assert_eq!(
+            environment.eth2_config.spec.far_future_epoch,
+            Epoch::new(999) // see testnet_dir/config.yaml
+        );
+    }
+}
+*/