Allow for decode ssz_static tests

tests/ef_tests/Cargo.toml

@@ -12,3 +12,4 @@ serde_derive = "1.0"
 serde_yaml = "0.8"
 ssz = { path = "../../eth2/utils/ssz" }
 types = { path = "../../eth2/types" }
+yaml-rust = "0.4"

tests/ef_tests/src/lib.rs

@@ -10,6 +10,7 @@ pub use crate::test_case_result::*;
 pub use crate::test_doc::*;
 pub use crate::test_doc_cases::*;
 pub use crate::test_doc_header::*;
+pub use crate::yaml_utils::*;
 
 mod error;
 mod test_case_result;
@@ -17,3 +18,4 @@ mod test_decode;
 mod test_doc;
 mod test_doc_cases;
 mod test_doc_header;
+mod yaml_utils;

tests/ef_tests/src/test_decode.rs

@@ -24,7 +24,7 @@ impl_via_parse!(u16);
 impl_via_parse!(u32);
 impl_via_parse!(u64);
 
-/// Some `ethereum-types` methods have a `str::FromStr` implementation that expects `0x`-prefixed
+/// Some `ethereum-types` methods have a `str::FromStr` implementation that expects `0x`-prefixed:
 /// hex, so we use `from_dec_str` instead.
 macro_rules! impl_via_from_dec_str {
     ($ty: ty) => {

tests/ef_tests/src/test_doc.rs

@@ -7,7 +7,7 @@ pub struct TestDoc {
 }
 
 impl TestDoc {
-    fn new(path: PathBuf) -> Self {
+    fn from_path(path: PathBuf) -> Self {
         let mut file = File::open(path).unwrap();
 
         let mut yaml = String::new();
@@ -17,15 +17,20 @@ impl TestDoc {
     }
 
     pub fn get_test_results(path: PathBuf) -> Vec<TestCaseResult> {
-        let doc = Self::new(path);
+        let doc = Self::from_path(path);
 
         let header: TestDocHeader = serde_yaml::from_str(&doc.yaml.as_str()).unwrap();
 
-        match (header.runner.as_ref(), header.handler.as_ref()) {
-            ("ssz", "uint") => run_test::<SszGeneric>(&doc.yaml),
-            (runner, handler) => panic!(
-                "No implementation for runner {} handler {}",
-                runner, handler
+        match (
+            header.runner.as_ref(),
+            header.handler.as_ref(),
+            header.config.as_ref(),
+        ) {
+            ("ssz", "uint", _) => run_test::<SszGeneric>(&doc.yaml),
+            ("ssz", "static", "minimal") => run_test::<SszStatic>(&doc.yaml),
+            (runner, handler, config) => panic!(
+                "No implementation for runner: \"{}\", handler: \"{}\", config: \"{}\"",
+                runner, handler, config
             ),
         }
     }
@@ -36,16 +41,23 @@ impl TestDoc {
         let failures: Vec<&TestCaseResult> = results.iter().filter(|r| r.result.is_err()).collect();
 
         if !failures.is_empty() {
-            panic!("{:?}", failures);
+            for f in failures {
+                dbg!(&f.case_index);
+                dbg!(&f.result);
+            }
+            panic!()
         }
     }
 }
 
 pub fn run_test<T>(test_doc_yaml: &String) -> Vec<TestCaseResult>
 where
-    TestDocCases<T>: Test + serde::de::DeserializeOwned,
+    TestDocCases<T>: Test + serde::de::DeserializeOwned + TestDecode,
 {
-    let doc: TestDocCases<T> = serde_yaml::from_str(&test_doc_yaml.as_str()).unwrap();
+    let test_cases_yaml = extract_yaml_by_key(test_doc_yaml, "test_cases");
 
-    doc.test()
+    let test_cases: TestDocCases<T> =
+        TestDocCases::test_decode(&test_cases_yaml.to_string()).unwrap();
+
+    test_cases.test()
 }

tests/ef_tests/src/test_doc_cases.rs

@@ -1,11 +1,35 @@
 use super::*;
+use yaml_rust::YamlLoader;
 
 mod ssz_generic;
-// mod ssz_static;
+mod ssz_static;
 
 pub use ssz_generic::*;
+pub use ssz_static::*;
 
 #[derive(Debug, Deserialize)]
 pub struct TestDocCases<T> {
     pub test_cases: Vec<T>,
 }
+
+impl<T: TestDecode> TestDecode for TestDocCases<T> {
+    /// Decodes a YAML list of test cases
+    fn test_decode(yaml: &String) -> Result<Self, Error> {
+        let doc = &YamlLoader::load_from_str(yaml).unwrap()[0];
+
+        let mut test_cases: Vec<T> = vec![];
+
+        let mut i = 0;
+        loop {
+            if doc[i].is_badvalue() {
+                break;
+            } else {
+                test_cases.push(T::test_decode(&yaml_to_string(&doc[i])).unwrap())
+            }
+
+            i += 1;
+        }
+
+        Ok(Self { test_cases })
+    }
+}

tests/ef_tests/src/test_doc_cases/ssz_generic.rs

@@ -9,6 +9,12 @@ pub struct SszGeneric {
     pub ssz: Option<String>,
 }
 
+impl TestDecode for SszGeneric {
+    fn test_decode(yaml: &String) -> Result<Self, Error> {
+        Ok(serde_yaml::from_str(&yaml.as_str()).unwrap())
+    }
+}
+
 impl Test for TestDocCases<SszGeneric> {
     fn test(&self) -> Vec<TestCaseResult> {
         self.test_cases

tests/ef_tests/src/test_doc_cases/ssz_static.rs

@@ -1,49 +1,73 @@
 use super::*;
+use serde::de::{Deserialize, Deserializer};
 use types::Fork;
 
 #[derive(Debug, Clone, Deserialize)]
 pub struct SszStatic {
     pub type_name: String,
-    pub value: String,
     pub serialized: String,
     pub root: String,
+    #[serde(skip)]
+    pub raw_yaml: String,
 }
 
-impl Test<SszStatic> for TestDoc<SszStatic> {
-    fn test(&self) -> Vec<TestCaseResult<SszStatic>> {
+#[derive(Debug, Clone, Deserialize)]
+pub struct Value<T> {
+    value: T,
+}
+
+impl TestDecode for SszStatic {
+    fn test_decode(yaml: &String) -> Result<Self, Error> {
+        let mut ssz_static: SszStatic = serde_yaml::from_str(&yaml.as_str()).unwrap();
+
+        ssz_static.raw_yaml = yaml.clone();
+
+        Ok(ssz_static)
+    }
+}
+
+impl SszStatic {
+    fn value<T: serde::de::DeserializeOwned>(&self) -> Result<T, Error> {
+        serde_yaml::from_str(&self.raw_yaml.as_str()).map_err(|e| {
+            Error::FailedToParseTest(format!("Unable to parse {} YAML: {:?}", self.type_name, e))
+        })
+    }
+}
+
+impl Test for TestDocCases<SszStatic> {
+    fn test(&self) -> Vec<TestCaseResult> {
         self.test_cases
             .iter()
             .enumerate()
             .map(|(i, tc)| {
                 let result = match tc.type_name.as_ref() {
-                    "Fork" => ssz_static_test::<Fork>(&tc.value, &tc.serialized, &tc.root),
+                    "Fork" => ssz_static_test::<Fork>(tc),
                     _ => Err(Error::FailedToParseTest(format!(
                         "Unknown type: {}",
                         tc.type_name
                     ))),
                 };
 
-                TestCaseResult {
-                    case_index: i,
-                    case: tc.clone(),
-                    result,
-                }
+                TestCaseResult::new(i, tc, result)
             })
             .collect()
     }
 }
 
-/// Execute a `ssz_generic` test case.
-fn ssz_static_test<T>(value: &String, serialized: &String, root: &String) -> Result<(), Error>
+fn ssz_static_test<T>(tc: &SszStatic) -> Result<(), Error>
 where
-    T: Decode + TestDecode + Debug + PartialEq<T>,
+    T: Decode + TestDecode + Debug + PartialEq<T> + serde::de::DeserializeOwned,
 {
-    let ssz =
-        hex::decode(&serialized[2..]).map_err(|e| Error::FailedToParseTest(format!("{:?}", e)))?;
+    let ssz = hex::decode(&tc.serialized[2..])
+        .map_err(|e| Error::FailedToParseTest(format!("{:?}", e)))?;
 
-    let expected = T::test_decode(value)?;
+    let expected = tc.value::<T>()?;
 
+    Ok(())
+
+    /*
     let decoded = T::from_ssz_bytes(&ssz);
 
     compare_result(decoded, Some(expected))
+    */
 }

tests/ef_tests/src/yaml_utils.rs

@@ -0,0 +1,23 @@
+use yaml_rust::{Yaml, YamlEmitter, YamlLoader};
+
+pub fn extract_yaml_by_key(yaml: &str, key: &str) -> String {
+    let doc = &YamlLoader::load_from_str(yaml).unwrap()[0];
+    let subsection = &doc[key];
+
+    yaml_to_string(subsection)
+}
+
+pub fn extract_yaml_by_index(yaml: &str, index: usize) -> String {
+    let doc = &YamlLoader::load_from_str(yaml).unwrap()[0];
+    let subsection = &doc[index];
+
+    yaml_to_string(subsection)
+}
+
+pub fn yaml_to_string(yaml: &Yaml) -> String {
+    let mut out_str = String::new();
+    let mut emitter = YamlEmitter::new(&mut out_str);
+    emitter.dump(yaml).unwrap();
+
+    out_str
+}

tests/ef_tests/tests/tests.rs

@@ -34,3 +34,20 @@ mod ssz_generic {
         TestDoc::assert_tests_pass(ssz_generic_file("uint/uint_wrong_length.yaml"));
     }
 }
+
+mod ssz_static {
+    use super::*;
+
+    fn ssz_generic_file(file: &str) -> PathBuf {
+        let mut path = test_file("ssz_static");
+        path.push(file);
+        dbg!(&path);
+
+        path
+    }
+
+    #[test]
+    fn minimal_nil() {
+        TestDoc::assert_tests_pass(ssz_generic_file("core/ssz_minimal_nil.yaml"));
+    }
+}