make cel-rust pass conformance tests

Author: Flaque

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "cel-spec"]
+	path = cel-spec
+	url = https://github.com/google/cel-spec.git

Cargo.toml

@@ -1,5 +1,5 @@
 [workspace]
-members = ["cel", "example", "fuzz"]
+members = ["cel", "example", "fuzz", "conformance"]
 resolver = "2"
 
 [profile.bench]

README.md

@@ -7,6 +7,8 @@ for simplicity, speed, safety, and
 portability. CEL's C-like syntax looks nearly identical to equivalent expressions in C++, Go, Java, and TypeScript. CEL
 is ideal for lightweight expression evaluation when a fully sandboxed scripting language is too resource intensive.
 
+It passes all conformance tests. 
+
 ```java
 // Check whether a resource name starts with a group name.
 resource.name.startsWith("/groups/" + auth.claims.group)
@@ -28,7 +30,7 @@ Add `cel` to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-cel = "0.11.6"
+cel = "0.12.0"
 ```
 
 Create and execute a simple CEL expression:

cel-spec

@@ -7,6 +7,62 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.12.0](https://github.com/cel-rust/cel-rust/compare/v0.11.6...v0.12.0) - 2025-12-29
+
+### Added
+
+- *(Optional)* Initial support
+- *(opaque)* docs
+- *(opaque)* PR comments addressed
+- *(Opaque)* json support
+- *(Opaque)* No indirection, straight holds trait OpaqueValue
+- *(opaque)* no need for as_any
+- *(opaque)* Equality of opaques
+- *(opaque)* wire function example
+- *(opaque)* Adds support for `OpaqueValue`s
+- *(parser)* Proper support for comments
+
+### Fixed
+
+- fix formatting
+- fix logic and function naming
+- fixup test
+- *(opaque)* Refactor OpaqueValue to simply Opaque
+- account for feature chrono in Debug
+- remove dep
+- *(arbitrary)* no more arbitratry in the main crate
+- *(arbitrary)* less pervasive usage
+
+### Other
+
+- Merge pull request #240 from Rick-Phoenix/bytes-support
+- Update README example to use CEL 0.12.0 ([#242](https://github.com/cel-rust/cel-rust/pull/242))
+- Support get{Hours,Minutes,Seconds,Milliseconds} on duration
+- Merge pull request #234 from adam-cattermole/optional
+- Optional tests use Parser directly
+- Initialize lists and maps with optionals in interpreter
+- Handle optional index in interpreter
+- Fix should error on missing map key
+- Handle optional select in interpreter
+- Handle optionals in lists in parser
+- Handle optional struct/map initializer in parser
+- Add optional visit_Select/Index to parser
+- Add enable_optional_syntax option to parser
+- Add orValue function for optional
+- Add or function for optional
+- Add hasValue function for optional
+- Add value function for optional
+- Add optional.ofNonZeroValue
+- Add optional.of
+- Documentation and pass reference
+- Add new way to resolve variables
+- default to BTree's instead of HashMap ([#231](https://github.com/cel-rust/cel-rust/pull/231))
+- avoid cloning function args and name ([#228](https://github.com/cel-rust/cel-rust/pull/228))
+- avoid double resolving single-arg func calls ([#227](https://github.com/cel-rust/cel-rust/pull/227))
+- move
+- minor tweaks to make usage more ergonomic
+- Fix Context docstring to reference new_inner_scope instead of clone ([#221](https://github.com/cel-rust/cel-rust/pull/221))
+
 ## [0.11.6](https://github.com/cel-rust/cel-rust/compare/v0.11.5...v0.11.6) - 2025-10-23
 
 ### Added

cel/CHANGELOG.md

@@ -2,10 +2,10 @@
 name = "cel"
 description = "A parser and interpreter for the Common Expression Language (CEL)"
 repository = "https://github.com/cel-rust/cel-rust"
-version = "0.11.6"
+version = "0.12.0"
 authors = ["Clark McCauley <me@clarkmccauley.com>", "Alex Snaps <alex@wcgw.dev>"]
 edition = "2021"
-rust-version = "1.82.0"
+rust-version = "1.86.0"
 license = "MIT"
 categories = ["compilers"]
 
@@ -14,10 +14,13 @@ antlr4rust = "0.5.2"
 lazy_static = "1.5.0"
 nom = "7.1.3"
 chrono = { version = "0.4", default-features = false, features = ["alloc", "serde"], optional = true }
+chrono-tz = { version = "0.8", optional = true }
 regex = { version = "1.10.5", optional = true }
 serde = "1.0"
 serde_json = { version = "1.0", optional = true }
 base64 = { version = "0.22.1", optional = true }
+prost = { version = "0.12", optional = true }
+bytes = { version = "1", optional = true }
 
 thiserror = "1.0"
 paste = "1.0"
@@ -33,7 +36,9 @@ harness = false
 
 [features]
 default = ["regex", "chrono"]
+bytes = ["dep:bytes"]
 json = ["dep:serde_json", "dep:base64"]
 regex = ["dep:regex"]
-chrono = ["dep:chrono"]
+chrono = ["dep:chrono", "dep:chrono-tz"]
+proto = ["dep:prost"]
 dhat-heap = [ ] # if you are doing heap profiling

cel/Cargo.toml

@@ -3,23 +3,21 @@ use cel::{Program, Value};
 use criterion::{black_box, criterion_group, BenchmarkId, Criterion};
 use std::collections::HashMap;
 
-const EXPRESSIONS: [(&str, &str); 36] = [
-    ("ternary_1", "(1 || 2) ? 1 : 2"),
-    ("ternary_2", "(1 ? 2 : 3) ? 1 : 2"),
-    ("or_1", "1 || 2"),
-    ("and_1", "1 && 2"),
-    ("and_2", "1 && (false ? 2 : 3)"),
+const EXPRESSIONS: [(&str, &str); 34] = [
+    ("ternary_1", "(false || true) ? 1 : 2"),
+    ("ternary_2", "(true ? false : true) ? 1 : 2"),
+    ("or_1", "false || true"),
+    ("and_1", "true && false"),
+    ("and_2", "true && (false ? 2 : 3) > 2"),
     ("number", "1"),
     ("construct_list", "[1,2,3]"),
     ("construct_list_1", "[1]"),
-    ("construct_list_2", "[1, 2]"),
+    ("construct_list_2", "[a, 2]"),
     ("add_list", "[1,2,3] + [4, 5, 6]"),
     ("list_element", "[1,2,3][1]"),
     ("construct_dict", "{1: 2, '3': '4'}"),
     ("add_string", "'abc' + 'def'"),
-    ("list", "[1,2,3, Now, ]"),
     ("mapexpr", "{1 + a: 3}"),
-    ("map_merge", "{'a': 1} + {'a': 2, 'b': 3}"),
     ("size_list", "[1].size()"),
     ("size_list_1", "size([1])"),
     ("size_str", "'a'.size()"),
@@ -67,8 +65,9 @@ pub fn criterion_benchmark(c: &mut Criterion) {
             let mut ctx = Context::default();
             ctx.add_variable_from_value("foo", HashMap::from([("bar", 1)]));
             ctx.add_variable_from_value("apple", true);
+            ctx.add_variable_from_value("a", 1);
             ctx.set_variable_resolver(&Resolver);
-            b.iter(|| program.execute(&ctx))
+            b.iter(|| program.execute(&ctx).expect("Eval failed!"))
         });
     }
 }
@@ -92,7 +91,7 @@ pub fn map_macro_benchmark(c: &mut Criterion) {
             let program = Program::compile("list.map(x, x * 2)").unwrap();
             let mut ctx = Context::default();
             ctx.add_variable_from_value("list", list);
-            b.iter(|| program.execute(&ctx).unwrap())
+            b.iter(|| program.execute(&ctx).expect("Eval failed!"))
         });
     }
     group.finish();