1#![warn(clippy::all, clippy::nursery)]2#![allow(3 macro_expanded_macro_exports_accessed_by_absolute_paths,4 clippy::ptr_arg5)]678extern crate self as jrsonnet_evaluator;910mod builtin;11mod ctx;12mod dynamic;13pub mod error;14mod evaluate;15pub mod function;16pub mod gc;17mod import;18mod integrations;19mod map;20pub mod native;21mod obj;22pub mod trace;23pub mod typed;24pub mod val;2526use std::{27 cell::{Ref, RefCell, RefMut},28 collections::HashMap,29 fmt::Debug,30 path::{Path, PathBuf},31 rc::Rc,32};3334pub use ctx::*;35pub use dynamic::*;36use error::{Error::*, LocError, Result, StackTraceElement};37pub use evaluate::*;38use function::{Builtin, CallLocation, TlaArg};39use gc::{GcHashMap, TraceBox};40use gcmodule::{Cc, Trace, Weak};41pub use import::*;42pub use jrsonnet_interner::IStr;43pub use jrsonnet_parser as parser;44use jrsonnet_parser::*;45pub use obj::*;46use trace::{location_to_offset, offset_to_location, CodeLocation, CompactFormat, TraceFormat};47pub use val::{LazyVal, ManifestFormat, Val};4849pub trait Bindable: Trace + 'static {50 fn bind(51 &self,52 s: State,53 this: Option<ObjValue>,54 super_obj: Option<ObjValue>,55 ) -> Result<LazyVal>;56}5758#[derive(Clone, Trace)]59pub enum LazyBinding {60 Bindable(Cc<TraceBox<dyn Bindable>>),61 Bound(LazyVal),62}6364impl Debug for LazyBinding {65 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {66 write!(f, "LazyBinding")67 }68}69impl LazyBinding {70 pub fn evaluate(71 &self,72 s: State,73 this: Option<ObjValue>,74 super_obj: Option<ObjValue>,75 ) -> Result<LazyVal> {76 match self {77 Self::Bindable(v) => v.bind(s, this, super_obj),78 Self::Bound(v) => Ok(v.clone()),79 }80 }81}8283pub struct EvaluationSettings {84 85 pub max_stack: usize,86 87 pub max_trace: usize,88 89 pub ext_vars: HashMap<IStr, Val>,90 91 pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,92 93 pub tla_vars: HashMap<IStr, TlaArg>,94 95 pub globals: HashMap<IStr, Val>,96 97 pub import_resolver: Box<dyn ImportResolver>,98 99 pub manifest_format: ManifestFormat,100 101 pub trace_format: Box<dyn TraceFormat>,102}103impl Default for EvaluationSettings {104 fn default() -> Self {105 Self {106 max_stack: 200,107 max_trace: 20,108 globals: Default::default(),109 ext_vars: Default::default(),110 ext_natives: Default::default(),111 tla_vars: Default::default(),112 import_resolver: Box::new(DummyImportResolver),113 manifest_format: ManifestFormat::Json {114 padding: 4,115 #[cfg(feature = "exp-preserve-order")]116 preserve_order: false,117 },118 trace_format: Box::new(CompactFormat {119 padding: 4,120 resolver: trace::PathResolver::Absolute,121 }),122 }123 }124}125126#[derive(Default)]127struct EvaluationData {128 129 stack_depth: usize,130 131 stack_generation: usize,132133 breakpoints: Breakpoints,134 135 files: GcHashMap<Rc<Path>, FileData>,136 str_files: GcHashMap<Rc<Path>, IStr>,137 bin_files: GcHashMap<Rc<Path>, Rc<[u8]>>,138}139140pub struct FileData {141 source_code: IStr,142 parsed: LocExpr,143 evaluated: Option<Val>,144}145146#[allow(clippy::type_complexity)]147pub struct Breakpoint {148 loc: ExprLocation,149 collected: RefCell<HashMap<usize, (usize, Vec<Result<Val>>)>>,150}151#[derive(Default)]152struct Breakpoints(Vec<Rc<Breakpoint>>);153impl Breakpoints {154 fn insert(155 &self,156 stack_depth: usize,157 stack_generation: usize,158 loc: &ExprLocation,159 result: Result<Val>,160 ) -> Result<Val> {161 if self.0.is_empty() {162 return result;163 }164 for item in self.0.iter() {165 if item.loc.belongs_to(loc) {166 let mut collected = item.collected.borrow_mut();167 let (depth, vals) = collected.entry(stack_generation).or_default();168 if stack_depth > *depth {169 vals.clear();170 }171 vals.push(result.clone());172 }173 }174 result175 }176}177178#[derive(Default)]179pub struct EvaluationStateInternals {180 181 data: RefCell<EvaluationData>,182 183 settings: RefCell<EvaluationSettings>,184}185186187#[derive(Default, Clone)]188pub struct State(Rc<EvaluationStateInternals>);189190impl State {191 192 pub fn add_file(&self, path: Rc<Path>, source_code: IStr) -> Result<LocExpr> {193 let parsed = parse(194 &source_code,195 &ParserSettings {196 file_name: path.clone(),197 },198 )199 .map_err(|error| ImportSyntaxError {200 error: Box::new(error),201 path: path.to_owned(),202 source_code: source_code.clone(),203 })?;204 self.add_parsed_file(path, source_code, parsed.clone())?;205206 Ok(parsed)207 }208209 pub fn reset_evaluation_state(&self, name: &Path) {210 self.data_mut()211 .files212 .get_mut(name)213 .unwrap()214 .evaluated215 .take();216 }217218 219 pub fn add_parsed_file(220 &self,221 name: Rc<Path>,222 source_code: IStr,223 parsed: LocExpr,224 ) -> Result<()> {225 self.data_mut().files.insert(226 name,227 FileData {228 source_code,229 parsed,230 evaluated: None,231 },232 );233234 Ok(())235 }236 pub fn get_source(&self, name: &Path) -> Option<IStr> {237 let ro_map = &self.data().files;238 ro_map.get(name).map(|value| value.source_code.clone())239 }240 pub fn map_source_locations(&self, file: &Path, locs: &[usize]) -> Vec<CodeLocation> {241 offset_to_location(&self.get_source(file).unwrap_or_else(|| "".into()), locs)242 }243 pub fn map_from_source_location(244 &self,245 file: &Path,246 line: usize,247 column: usize,248 ) -> Option<usize> {249 location_to_offset(&self.get_source(file).unwrap(), line, column)250 }251 pub fn import_file(&self, from: &Path, path: &Path) -> Result<Val> {252 let file_path = self.resolve_file(from, path)?;253 {254 let data = self.data();255 let files = &data.files;256 if files.contains_key(&file_path as &Path) {257 drop(data);258 return self.evaluate_loaded_file_raw(&file_path);259 }260 }261 let contents = self.load_file_str(&file_path)?;262 self.add_file(file_path.clone(), contents)?;263 self.evaluate_loaded_file_raw(&file_path)264 }265 pub(crate) fn import_file_str(&self, from: &Path, path: &Path) -> Result<IStr> {266 let path = self.resolve_file(from, path)?;267 if !self.data().str_files.contains_key(&path) {268 let file_str = self.load_file_str(&path)?;269 self.data_mut().str_files.insert(path.clone(), file_str);270 }271 Ok(self.data().str_files.get(&path).cloned().unwrap())272 }273 pub(crate) fn import_file_bin(&self, from: &Path, path: &Path) -> Result<Rc<[u8]>> {274 let path = self.resolve_file(from, path)?;275 if !self.data().bin_files.contains_key(&path) {276 let file_bin = self.load_file_bin(&path)?;277 self.data_mut().bin_files.insert(path.clone(), file_bin);278 }279 Ok(self.data().bin_files.get(&path).cloned().unwrap())280 }281282 fn evaluate_loaded_file_raw(&self, name: &Path) -> Result<Val> {283 let expr: LocExpr = {284 let ro_map = &self.data().files;285 let value = ro_map286 .get(name)287 .unwrap_or_else(|| panic!("file not added: {:?}", name));288 if let Some(ref evaluated) = value.evaluated {289 return Ok(evaluated.clone());290 }291 value.parsed.clone()292 };293 let value = evaluate(self.clone(), self.create_default_context(), &expr)?;294 {295 self.data_mut()296 .files297 .get_mut(name)298 .unwrap()299 .evaluated300 .replace(value.clone());301 }302 Ok(value)303 }304305 306 pub fn with_stdlib(&self) -> &Self {307 use jrsonnet_stdlib::STDLIB_STR;308 let std_path: Rc<Path> = PathBuf::from("std.jsonnet").into();309310 self.add_parsed_file(311 std_path.clone(),312 STDLIB_STR.to_owned().into(),313 builtin::get_parsed_stdlib(),314 )315 .unwrap();316 let val = self.evaluate_loaded_file_raw(&std_path).unwrap();317 self.settings_mut().globals.insert("std".into(), val);318 self319 }320321 322 pub fn create_default_context(&self) -> Context {323 let globals = &self.settings().globals;324 let mut new_bindings = GcHashMap::with_capacity(globals.len());325 for (name, value) in globals.iter() {326 new_bindings.insert(name.clone(), LazyVal::new_resolved(value.clone()));327 }328 Context::new().extend_bound(new_bindings)329 }330331 332 pub fn push<T>(333 &self,334 e: CallLocation,335 frame_desc: impl FnOnce() -> String,336 f: impl FnOnce() -> Result<T>,337 ) -> Result<T> {338 {339 let mut data = self.data_mut();340 let stack_depth = &mut data.stack_depth;341 if *stack_depth > self.max_stack() {342 343 drop(data);344 throw!(StackOverflow);345 } else {346 *stack_depth += 1;347 }348 }349 let result = f();350 {351 let mut data = self.data_mut();352 data.stack_depth -= 1;353 data.stack_generation += 1;354 }355 if let Err(mut err) = result {356 err.trace_mut().0.push(StackTraceElement {357 location: e.0.cloned(),358 desc: frame_desc(),359 });360 return Err(err);361 }362 result363 }364365 366 pub fn push_val(367 &self,368 e: &ExprLocation,369 frame_desc: impl FnOnce() -> String,370 f: impl FnOnce() -> Result<Val>,371 ) -> Result<Val> {372 {373 let mut data = self.data_mut();374 let stack_depth = &mut data.stack_depth;375 if *stack_depth > self.max_stack() {376 377 drop(data);378 throw!(StackOverflow);379 } else {380 *stack_depth += 1;381 }382 }383 let mut result = f();384 {385 let mut data = self.data_mut();386 data.stack_depth -= 1;387 data.stack_generation += 1;388 result = data389 .breakpoints390 .insert(data.stack_depth, data.stack_generation, e, result);391 }392 if let Err(mut err) = result {393 err.trace_mut().0.push(StackTraceElement {394 location: Some(e.clone()),395 desc: frame_desc(),396 });397 return Err(err);398 }399 result400 }401 402 pub fn push_description<T>(403 &self,404 frame_desc: impl FnOnce() -> String,405 f: impl FnOnce() -> Result<T>,406 ) -> Result<T> {407 {408 let mut data = self.data_mut();409 let stack_depth = &mut data.stack_depth;410 if *stack_depth > self.max_stack() {411 412 drop(data);413 throw!(StackOverflow);414 } else {415 *stack_depth += 1;416 }417 }418 let result = f();419 {420 let mut data = self.data_mut();421 data.stack_depth -= 1;422 data.stack_generation += 1;423 }424 if let Err(mut err) = result {425 err.trace_mut().0.push(StackTraceElement {426 location: None,427 desc: frame_desc(),428 });429 return Err(err);430 }431 result432 }433434 pub fn stringify_err(&self, e: &LocError) -> String {435 let mut out = String::new();436 self.settings()437 .trace_format438 .write_trace(&mut out, self, e)439 .unwrap();440 out441 }442443 pub fn manifest(&self, val: Val) -> Result<IStr> {444 self.push_description(445 || "manifestification".to_string(),446 || val.manifest(self.clone(), &self.manifest_format()),447 )448 }449 pub fn manifest_multi(&self, val: Val) -> Result<Vec<(IStr, IStr)>> {450 val.manifest_multi(self.clone(), &self.manifest_format())451 }452 pub fn manifest_stream(&self, val: Val) -> Result<Vec<IStr>> {453 val.manifest_stream(self.clone(), &self.manifest_format())454 }455456 457 pub fn with_tla(&self, val: Val) -> Result<Val> {458 Ok(match val {459 Val::Func(func) => self.push_description(460 || "during TLA call".to_owned(),461 || {462 func.evaluate(463 self.clone(),464 self.create_default_context(),465 CallLocation::native(),466 &self.settings().tla_vars,467 true,468 )469 },470 )?,471 v => v,472 })473 }474}475476477impl State {478 fn data(&self) -> Ref<EvaluationData> {479 self.0.data.borrow()480 }481 fn data_mut(&self) -> RefMut<EvaluationData> {482 self.0.data.borrow_mut()483 }484 pub fn settings(&self) -> Ref<EvaluationSettings> {485 self.0.settings.borrow()486 }487 pub fn settings_mut(&self) -> RefMut<EvaluationSettings> {488 self.0.settings.borrow_mut()489 }490}491492493impl State {494 pub fn evaluate_file_raw(&self, name: &Path) -> Result<Val> {495 self.import_file(&std::env::current_dir().expect("cwd"), name)496 }497 pub fn evaluate_file_raw_nocwd(&self, name: &Path) -> Result<Val> {498 self.import_file(&PathBuf::from("."), name)499 }500 501 pub fn evaluate_snippet_raw(&self, source: Rc<Path>, code: IStr) -> Result<Val> {502 let parsed = parse(503 &code,504 &ParserSettings {505 file_name: source.clone(),506 },507 )508 .map_err(|e| ImportSyntaxError {509 path: source.clone(),510 source_code: code.clone(),511 error: Box::new(e),512 })?;513 self.add_parsed_file(source, code, parsed.clone())?;514 self.evaluate_expr_raw(parsed)515 }516 517 pub fn evaluate_expr_raw(&self, code: LocExpr) -> Result<Val> {518 evaluate(self.clone(), self.create_default_context(), &code)519 }520}521522523impl State {524 pub fn add_ext_var(&self, name: IStr, value: Val) {525 self.settings_mut().ext_vars.insert(name, value);526 }527 pub fn add_ext_str(&self, name: IStr, value: IStr) {528 self.add_ext_var(name, Val::Str(value));529 }530 pub fn add_ext_code(&self, name: IStr, code: IStr) -> Result<()> {531 let value =532 self.evaluate_snippet_raw(PathBuf::from(format!("ext_code {}", name)).into(), code)?;533 self.add_ext_var(name, value);534 Ok(())535 }536537 pub fn add_tla(&self, name: IStr, value: Val) {538 self.settings_mut()539 .tla_vars540 .insert(name, TlaArg::Val(value));541 }542 pub fn add_tla_str(&self, name: IStr, value: IStr) {543 self.settings_mut()544 .tla_vars545 .insert(name, TlaArg::String(value));546 }547 pub fn add_tla_code(&self, name: IStr, code: IStr) -> Result<()> {548 let parsed = self.add_file(PathBuf::from(format!("tla_code {}", name)).into(), code)?;549 self.settings_mut()550 .tla_vars551 .insert(name, TlaArg::Code(parsed));552 Ok(())553 }554555 pub fn resolve_file(&self, from: &Path, path: &Path) -> Result<Rc<Path>> {556 self.settings().import_resolver.resolve_file(from, path)557 }558 pub fn load_file_str(&self, path: &Path) -> Result<IStr> {559 self.settings().import_resolver.load_file_str(path)560 }561 pub fn load_file_bin(&self, path: &Path) -> Result<Rc<[u8]>> {562 self.settings().import_resolver.load_file_bin(path)563 }564565 pub fn import_resolver(&self) -> Ref<dyn ImportResolver> {566 Ref::map(self.settings(), |s| &*s.import_resolver)567 }568 pub fn set_import_resolver(&self, resolver: Box<dyn ImportResolver>) {569 self.settings_mut().import_resolver = resolver;570 }571572 pub fn add_native(&self, name: IStr, cb: Cc<TraceBox<dyn Builtin>>) {573 self.settings_mut().ext_natives.insert(name, cb);574 }575576 pub fn manifest_format(&self) -> ManifestFormat {577 self.settings().manifest_format.clone()578 }579 pub fn set_manifest_format(&self, format: ManifestFormat) {580 self.settings_mut().manifest_format = format;581 }582583 pub fn trace_format(&self) -> Ref<dyn TraceFormat> {584 Ref::map(self.settings(), |s| &*s.trace_format)585 }586 pub fn set_trace_format(&self, format: Box<dyn TraceFormat>) {587 self.settings_mut().trace_format = format;588 }589590 pub fn max_trace(&self) -> usize {591 self.settings().max_trace592 }593 pub fn set_max_trace(&self, trace: usize) {594 self.settings_mut().max_trace = trace;595 }596597 pub fn max_stack(&self) -> usize {598 self.settings().max_stack599 }600 pub fn set_max_stack(&self, trace: usize) {601 self.settings_mut().max_stack = trace;602 }603}604605pub fn cc_ptr_eq<T>(a: &Cc<T>, b: &Cc<T>) -> bool {606 let a = a as &T;607 let b = b as &T;608 std::ptr::eq(a, b)609}610611fn weak_raw<T>(a: Weak<T>) -> *const () {612 unsafe { std::mem::transmute(a) }613}614fn weak_ptr_eq<T>(a: Weak<T>, b: Weak<T>) -> bool {615 std::ptr::eq(weak_raw(a), weak_raw(b))616}617618#[test]619fn weak_unsafe() {620 let a = Cc::new(1);621 let b = Cc::new(2);622623 let aw1 = a.clone().downgrade();624 let aw2 = a.clone().downgrade();625 let aw3 = a.clone().downgrade();626627 let bw = b.clone().downgrade();628629 assert!(weak_ptr_eq(aw1, aw2));630 assert!(!weak_ptr_eq(aw3, bw));631}632633#[cfg(test)]634pub mod tests {635 use std::{636 path::{Path, PathBuf},637 rc::Rc,638 };639640 use gcmodule::{Cc, Trace};641 use jrsonnet_parser::*;642643 use super::Val;644 use crate::{645 error::Error::*,646 function::{BuiltinParam, CallLocation},647 gc::TraceBox,648 native::NativeCallbackHandler,649 val::primitive_equals,650 State,651 };652653 #[test]654 #[should_panic]655 fn eval_state_stacktrace() {656 let state = State::default();657 state658 .push(659 CallLocation::new(&ExprLocation(PathBuf::from("test1.jsonnet").into(), 10, 20)),660 || "outer".to_owned(),661 || {662 state.push(663 CallLocation::new(&ExprLocation(664 PathBuf::from("test2.jsonnet").into(),665 30,666 40,667 )),668 || "inner".to_owned(),669 || Err(RuntimeError("".into()).into()),670 )?;671 Ok(Val::Null)672 },673 )674 .unwrap();675 }676677 #[test]678 fn eval_state_standard() {679 let state = State::default();680 state.with_stdlib();681 assert!(primitive_equals(682 &state683 .evaluate_snippet_raw(684 PathBuf::from("raw.jsonnet").into(),685 r#"std.assertEqual(std.base64("test"), "dGVzdA==")"#.into()686 )687 .unwrap(),688 &Val::Bool(true),689 )690 .unwrap());691 }692693 macro_rules! eval {694 ($str: expr) => {{695 let evaluator = State::default();696 evaluator.with_stdlib();697 evaluator698 .evaluate_snippet_raw(PathBuf::from("raw.jsonnet").into(), $str.into())699 .unwrap()700 }};701 }702 macro_rules! eval_json {703 ($str: expr) => {{704 let evaluator = State::default();705 evaluator.with_stdlib();706 evaluator707 .evaluate_snippet_raw(PathBuf::from("raw.jsonnet").into(), $str.into())708 .unwrap()709 .to_json(0)710 .unwrap()711 .replace("\n", "")712 }};713 }714715 716 macro_rules! assert_eval {717 ($str: expr) => {718 assert!(primitive_equals(&eval!($str), &Val::Bool(true)).unwrap())719 };720 }721722 723 macro_rules! assert_eval_neg {724 ($str: expr) => {725 assert!(primitive_equals(&eval!($str), &Val::Bool(false)).unwrap())726 };727 }728 macro_rules! assert_json {729 ($str: expr, $out: expr) => {730 assert_eq!(eval_json!($str), $out.replace("\t", ""))731 };732 }733734 735 #[test]736 fn equality_operator() {737 assert_eval!("2 == 2");738 assert_eval_neg!("2 != 2");739 assert_eval!("2 != 3");740 assert_eval_neg!("2 == 3");741 assert_eval!("'Hello' == 'Hello'");742 assert_eval_neg!("'Hello' != 'Hello'");743 assert_eval!("'Hello' != 'World'");744 assert_eval_neg!("'Hello' == 'World'");745 }746747 #[test]748 fn math_evaluation() {749 assert_eval!("2 + 2 * 2 == 6");750 assert_eval!("3 + (2 + 2 * 2) == 9");751 }752753 #[test]754 fn string_concat() {755 assert_eval!("'Hello' + 'World' == 'HelloWorld'");756 assert_eval!("'Hello' * 3 == 'HelloHelloHello'");757 assert_eval!("'Hello' + 'World' * 3 == 'HelloWorldWorldWorld'");758 }759760 #[test]761 fn faster_join() {762 assert_eval!("std.join([0,0], [[1,2],[3,4],[5,6]]) == [1,2,0,0,3,4,0,0,5,6]");763 assert_eval!("std.join(',', ['1','2','3','4']) == '1,2,3,4'");764 }765766 #[test]767 fn function_contexts() {768 assert_eval!(769 r#"770 local k = {771 t(name = self.h): [self.h, name],772 h: 3,773 };774 local f = {775 t: k.t(),776 h: 4,777 };778 f.t[0] == f.t[1]779 "#780 );781 }782783 #[test]784 fn local() {785 assert_eval!("local a = 2; local b = 3; a + b == 5");786 assert_eval!("local a = 1, b = a + 1; a + b == 3");787 assert_eval!("local a = 1; local a = 2; a == 2");788 }789790 #[test]791 fn object_lazyness() {792 assert_json!("local a = {a:error 'test'}; {}", r#"{}"#);793 }794795 #[test]796 fn object_inheritance() {797 assert_json!("{a: self.b} + {b:3}", r#"{"a": 3,"b": 3}"#);798 }799800 #[test]801 fn object_assertion_success() {802 eval!("{assert \"a\" in self} + {a:2}");803 }804805 #[test]806 fn object_assertion_error() {807 eval!("{assert \"a\" in self}");808 }809810 #[test]811 fn lazy_args() {812 eval!("local test(a) = 2; test(error '3')");813 }814815 #[test]816 #[should_panic]817 fn tailstrict_args() {818 eval!("local test(a) = 2; test(error '3') tailstrict");819 }820821 #[test]822 #[should_panic]823 fn no_binding_error() {824 eval!("a");825 }826827 #[test]828 fn test_object() {829 assert_json!("{a:2}", r#"{"a": 2}"#);830 assert_json!("{a:2+2}", r#"{"a": 4}"#);831 assert_json!("{a:2}+{b:2}", r#"{"a": 2,"b": 2}"#);832 assert_json!("{b:3}+{b:2}", r#"{"b": 2}"#);833 assert_json!("{b:3}+{b+:2}", r#"{"b": 5}"#);834 assert_json!("local test='a'; {[test]:2}", r#"{"a": 2}"#);835 assert_json!(836 r#"837 {838 name: "Alice",839 welcome: "Hello " + self.name + "!",840 }841 "#,842 r#"{"name": "Alice","welcome": "Hello Alice!"}"#843 );844 assert_json!(845 r#"846 {847 name: "Alice",848 welcome: "Hello " + self.name + "!",849 } + {850 name: "Bob"851 }852 "#,853 r#"{"name": "Bob","welcome": "Hello Bob!"}"#854 );855 }856857 #[test]858 fn functions() {859 assert_json!(r#"local a = function(b, c = 2) b + c; a(2)"#, "4");860 assert_json!(861 r#"local a = function(b, c = "Dear") b + c + d, d = "World"; a("Hello")"#,862 r#""HelloDearWorld""#863 );864 }865866 #[test]867 fn local_methods() {868 assert_json!(r#"local a(b, c = 2) = b + c; a(2)"#, "4");869 assert_json!(870 r#"local a(b, c = "Dear") = b + c + d, d = "World"; a("Hello")"#,871 r#""HelloDearWorld""#872 );873 }874875 #[test]876 fn object_locals() {877 assert_json!(r#"{local a = 3, b: a}"#, r#"{"b": 3}"#);878 assert_json!(r#"{local a = 3, local c = a, b: c}"#, r#"{"b": 3}"#);879 assert_json!(880 r#"{local a = function (b) {[b]:4}, test: a("test")}"#,881 r#"{"test": {"test": 4}}"#882 );883 }884885 #[test]886 fn object_comp() {887 assert_json!(888 r#"{local t = "a", ["h"+i+"_"+z]: if "h"+(i-1)+"_"+z in self then t+1 else 0+t for i in [1,2,3] for z in [2,3,4] if z != i}"#,889 "{\"h1_2\": \"0a\",\"h1_3\": \"0a\",\"h1_4\": \"0a\",\"h2_3\": \"a1\",\"h2_4\": \"a1\",\"h3_2\": \"0a\",\"h3_4\": \"a1\"}"890 )891 }892893 #[test]894 fn direct_self() {895 println!(896 "{:#?}",897 eval!(898 r#"899 {900 local me = self,901 a: 3,902 b(): me.a,903 }904 "#905 )906 );907 }908909 #[test]910 fn indirect_self() {911 912 913 eval!(914 r#"{915 local me = self,916 a: 3,917 b: me.a,918 }.b"#919 );920 }921922 923 #[test]924 fn std_assert_ok() {925 eval!("std.assertEqual(4.5 << 2, 16)");926 }927928 #[test]929 #[should_panic]930 fn std_assert_failure() {931 eval!("std.assertEqual(4.5 << 2, 15)");932 }933934 #[test]935 fn string_is_string() {936 assert!(primitive_equals(937 &eval!("local arr = 'hello'; (!std.isArray(arr)) && (!std.isString(arr))"),938 &Val::Bool(false),939 )940 .unwrap());941 }942943 #[test]944 fn base64_works() {945 assert_json!(r#"std.base64("test")"#, r#""dGVzdA==""#);946 }947948 #[test]949 fn utf8_chars() {950 assert_json!(951 r#"local c="😎";{c:std.codepoint(c),l:std.length(c)}"#,952 r#"{"c": 128526,"l": 1}"#953 )954 }955956 #[test]957 fn json() {958 assert_json!(959 r#"std.manifestJsonEx({a:3, b:4, c:6},"")"#,960 r#""{\n\"a\": 3,\n\"b\": 4,\n\"c\": 6\n}""#961 );962 }963964 #[test]965 fn json_minified() {966 assert_json!(967 r#"std.manifestJsonMinified({a:3, b:4, c:6})"#,968 r#""{\"a\":3,\"b\":4,\"c\":6}""#969 );970 }971972 #[test]973 fn parse_json() {974 assert_json!(975 r#"std.parseJson('{"a": -1,"b": 1,"c": 3.141,"d": []}')"#,976 r#"{"a": -1,"b": 1,"c": 3.141,"d": []}"#977 );978 }979980 #[test]981 fn test() {982 assert_json!(983 r#"[[a, b] for a in [1,2,3] for b in [4,5,6]]"#,984 "[[1,4],[1,5],[1,6],[2,4],[2,5],[2,6],[3,4],[3,5],[3,6]]"985 );986 }987988 #[test]989 fn sjsonnet() {990 eval!(991 r#"992 local x0 = {k: 1};993 local x1 = {k: x0.k + x0.k};994 local x2 = {k: x1.k + x1.k};995 local x3 = {k: x2.k + x2.k};996 local x4 = {k: x3.k + x3.k};997 local x5 = {k: x4.k + x4.k};998 local x6 = {k: x5.k + x5.k};999 local x7 = {k: x6.k + x6.k};1000 local x8 = {k: x7.k + x7.k};1001 local x9 = {k: x8.k + x8.k};1002 local x10 = {k: x9.k + x9.k};1003 local x11 = {k: x10.k + x10.k};1004 local x12 = {k: x11.k + x11.k};1005 local x13 = {k: x12.k + x12.k};1006 local x14 = {k: x13.k + x13.k};1007 local x15 = {k: x14.k + x14.k};1008 local x16 = {k: x15.k + x15.k};1009 local x17 = {k: x16.k + x16.k};1010 local x18 = {k: x17.k + x17.k};1011 local x19 = {k: x18.k + x18.k};1012 local x20 = {k: x19.k + x19.k};1013 local x21 = {k: x20.k + x20.k};1014 x21.k1015 "#1016 );1017 }10181019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 10311032 10331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058 #[test]1059 fn equality() {1060 println!(1061 "{:?}",1062 jrsonnet_parser::parse(1063 "{ x: 1, y: 2 } == { x: 1, y: 2 }",1064 &ParserSettings {1065 file_name: PathBuf::from("equality").into(),1066 }1067 )1068 );1069 assert_eval!("{ x: 1, y: 2 } == { x: 1, y: 2 }")1070 }10711072 #[test]1073 fn native_ext() -> crate::error::Result<()> {1074 use super::native::NativeCallback;1075 let evaluator = State::default();10761077 evaluator.with_stdlib();10781079 #[derive(Trace)]1080 struct NativeAdd;1081 impl NativeCallbackHandler for NativeAdd {1082 fn call(&self, from: Option<Rc<Path>>, args: &[Val]) -> crate::error::Result<Val> {1083 assert_eq!(1084 &from.unwrap() as &Path,1085 &PathBuf::from("native_caller.jsonnet")1086 );1087 match (&args[0], &args[1]) {1088 (Val::Num(a), Val::Num(b)) => Ok(Val::Num(a + b)),1089 (_, _) => unreachable!(),1090 }1091 }1092 }1093 evaluator.settings_mut().ext_natives.insert(1094 "native_add".into(),1095 #[allow(deprecated)]1096 Cc::new(TraceBox(Box::new(NativeCallback::new(1097 vec![1098 BuiltinParam {1099 name: "a".into(),1100 has_default: false,1101 },1102 BuiltinParam {1103 name: "b".into(),1104 has_default: false,1105 },1106 ],1107 TraceBox(Box::new(NativeAdd)),1108 )))),1109 );1110 dbg!(evaluator.settings().ext_natives.keys().collect::<Vec<_>>());1111 evaluator.evaluate_snippet_raw(1112 PathBuf::from("native_caller.jsonnet").into(),1113 "std.assertEqual(std.native(\"native_add\")(1, 2), 3)".into(),1114 )?;1115 dbg!(evaluator.settings().ext_natives.keys().collect::<Vec<_>>());1116 Ok(())1117 }11181119 #[test]1120 fn constant_intrinsic() -> crate::error::Result<()> {1121 assert_eval!(1122 "local std2 = std; local std = std2 { primitiveEquals(a, b):: false }; 1 == 1"1123 );1124 Ok(())1125 }11261127 #[test]1128 fn standalone_super() -> crate::error::Result<()> {1129 assert_eval!(1130 r#"1131 local obj = {1132 a: 1,1133 b: 2,1134 c: 3,1135 };1136 local test = obj + {1137 fields: std.objectFields(super),1138 d: 5,1139 };1140 test.fields == ['a', 'b', 'c']1141 "#1142 );1143 Ok(())1144 }11451146 #[test]1147 fn comp_self() -> crate::error::Result<()> {1148 assert_eval!(1149 r#"1150 std.objectFields({1151 a:{1152 [name]: name for name in std.objectFields(self)1153 },1154 b: 2,1155 c: 3,1156 }.a) == ['a', 'b', 'c']1157 "#1158 );11591160 Ok(())1161 }11621163 struct TestImportResolver(Vec<u8>);1164 impl crate::import::ImportResolver for TestImportResolver {1165 fn resolve_file(&self, _: &Path, _: &Path) -> crate::error::Result<Rc<Path>> {1166 Ok(PathBuf::from("/test").into())1167 }11681169 fn load_file_contents(&self, _: &Path) -> crate::error::Result<Vec<u8>> {1170 Ok(self.0.clone())1171 }11721173 unsafe fn as_any(&self) -> &dyn std::any::Any {1174 panic!()1175 }11761177 fn load_file_bin(&self, _resolved: &Path) -> crate::error::Result<Rc<[u8]>> {1178 panic!()1179 }1180 }11811182 #[test]1183 fn issue_23() {1184 let state = State::default();1185 state.set_import_resolver(Box::new(TestImportResolver(r#"import "/test""#.into())));1186 let _ = state.evaluate_file_raw(&PathBuf::from("/test"));1187 }11881189 #[test]1190 fn issue_40() {1191 let state = State::default();1192 state.with_stdlib();11931194 let error = state1195 .evaluate_snippet_raw(1196 PathBuf::from("issue40.jsonnet").into(),1197 r#"1198 local conf = {1199 n: ""1200 };12011202 local result = conf + {1203 assert std.isNumber(self.n): "is number"1204 };12051206 std.manifestJsonEx(result, "")1207 "#1208 .into(),1209 )1210 .unwrap_err();1211 assert_eq!(error.error().to_string(), "assert failed: is number");1212 }12131214 #[test]1215 fn test_ascii_upper_lower() {1216 assert_eval!(r#"std.assertEqual(std.asciiUpper("aBc😀"), "ABC😀")"#);1217 assert_eval!(r#"std.assertEqual(std.asciiLower("aBc😀"), "abc😀")"#);1218 }12191220 #[test]1221 fn test_member() {1222 assert_eval!(r#"!std.member("", "")"#);1223 assert_eval!(r#"std.member("abc", "a")"#);1224 assert_eval!(r#"!std.member("abc", "d")"#);1225 assert_eval!(r#"!std.member([], "")"#);1226 assert_eval!(r#"std.member(["a", "b", "c"], "a")"#);1227 assert_eval!(r#"!std.member(["a", "b", "c"], "d")"#);1228 }12291230 #[test]1231 fn test_count() {1232 assert_eval!(r#"std.assertEqual(std.count([], ""), 0)"#);1233 assert_eval!(r#"std.assertEqual(std.count(["a", "b", "a"], "d"), 0)"#);1234 assert_eval!(r#"std.assertEqual(std.count(["a", "b", "a"], "a"), 2)"#);1235 }12361237 mod derive_typed {1238 use std::path::PathBuf;12391240 use crate::{typed::Typed, State};12411242 #[derive(PartialEq, Debug, Typed)]1243 struct MyTyped {1244 a: u32,1245 #[typed(rename = "b")]1246 c: String,1247 }12481249 #[test]1250 fn test() {1251 let es = State::default();1252 let val = eval!("{a: 14, b: 'Hello, world!'}");1253 let typed = MyTyped::try_from(val).unwrap();12541255 assert_eq!(1256 typed,1257 MyTyped {1258 a: 14,1259 c: "Hello, world!".to_string()1260 }1261 );1262 es.settings_mut()1263 .globals1264 .insert("mytyped".into(), typed.try_into().unwrap());12651266 let v = es1267 .evaluate_snippet_raw(1268 PathBuf::from("raw.jsonnet").into(),1269 "1270 mytyped == {a: 14, b: 'Hello, world!'}1271 "1272 .into(),1273 )1274 .unwrap()1275 .as_bool()1276 .unwrap();1277 assert!(v)1278 }1279 }1280}