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;16mod import;17mod integrations;18mod map;19pub mod native;20mod obj;21pub mod trace;22pub mod typed;23mod val;2425pub use jrsonnet_parser as parser;2627pub use ctx::*;28pub use dynamic::*;29use error::{Error::*, LocError, Result, StackTraceElement};30pub use evaluate::*;31use function::{Builtin, CallLocation, TlaArg};32use gc::{GcHashMap, TraceBox};33use gcmodule::{Cc, Trace, Weak};34pub use import::*;35pub use jrsonnet_interner::IStr;36use jrsonnet_parser::*;37pub use obj::*;38use std::{39 cell::{Ref, RefCell, RefMut},40 collections::HashMap,41 fmt::Debug,42 path::{Path, PathBuf},43 rc::Rc,44};45use trace::{location_to_offset, offset_to_location, CodeLocation, CompactFormat, TraceFormat};46pub use val::*;47pub mod gc;4849pub trait Bindable: Trace + 'static {50 fn bind(&self, this: Option<ObjValue>, super_obj: Option<ObjValue>) -> Result<LazyVal>;51}5253#[derive(Clone, Trace)]54pub enum LazyBinding {55 Bindable(Cc<TraceBox<dyn Bindable>>),56 Bound(LazyVal),57}5859impl Debug for LazyBinding {60 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {61 write!(f, "LazyBinding")62 }63}64impl LazyBinding {65 pub fn evaluate(&self, this: Option<ObjValue>, super_obj: Option<ObjValue>) -> Result<LazyVal> {66 match self {67 Self::Bindable(v) => v.bind(this, super_obj),68 Self::Bound(v) => Ok(v.clone()),69 }70 }71}7273pub struct EvaluationSettings {74 75 pub max_stack: usize,76 77 pub max_trace: usize,78 79 pub ext_vars: HashMap<IStr, Val>,80 81 pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,82 83 pub tla_vars: HashMap<IStr, TlaArg>,84 85 pub globals: HashMap<IStr, Val>,86 87 pub import_resolver: Box<dyn ImportResolver>,88 89 pub manifest_format: ManifestFormat,90 91 pub trace_format: Box<dyn TraceFormat>,92}93impl Default for EvaluationSettings {94 fn default() -> Self {95 Self {96 max_stack: 200,97 max_trace: 20,98 globals: Default::default(),99 ext_vars: Default::default(),100 ext_natives: Default::default(),101 tla_vars: Default::default(),102 import_resolver: Box::new(DummyImportResolver),103 manifest_format: ManifestFormat::Json(4),104 trace_format: Box::new(CompactFormat {105 padding: 4,106 resolver: trace::PathResolver::Absolute,107 }),108 }109 }110}111112#[derive(Default)]113struct EvaluationData {114 115 stack_depth: usize,116 117 stack_generation: usize,118119 breakpoints: Breakpoints,120 121 files: GcHashMap<Rc<Path>, FileData>,122 str_files: GcHashMap<Rc<Path>, IStr>,123 bin_files: GcHashMap<Rc<Path>, Rc<[u8]>>,124}125126pub struct FileData {127 source_code: IStr,128 parsed: LocExpr,129 evaluated: Option<Val>,130}131132#[allow(clippy::type_complexity)]133pub struct Breakpoint {134 loc: ExprLocation,135 collected: RefCell<HashMap<usize, (usize, Vec<Result<Val>>)>>,136}137#[derive(Default)]138struct Breakpoints(Vec<Rc<Breakpoint>>);139impl Breakpoints {140 fn insert(141 &self,142 stack_depth: usize,143 stack_generation: usize,144 loc: &ExprLocation,145 result: Result<Val>,146 ) -> Result<Val> {147 if self.0.is_empty() {148 return result;149 }150 for item in self.0.iter() {151 if item.loc.belongs_to(loc) {152 let mut collected = item.collected.borrow_mut();153 let (depth, vals) = collected.entry(stack_generation).or_default();154 if stack_depth > *depth {155 vals.clear();156 }157 vals.push(result.clone());158 }159 }160 result161 }162}163164#[derive(Default)]165pub struct EvaluationStateInternals {166 167 data: RefCell<EvaluationData>,168 169 settings: RefCell<EvaluationSettings>,170}171172thread_local! {173 174 175 pub(crate) static EVAL_STATE: RefCell<Option<EvaluationState>> = RefCell::new(None)176}177178pub(crate) fn with_state<T>(f: impl FnOnce(&EvaluationState) -> T) -> T {179 EVAL_STATE.with(|s| {180 f(s.borrow().as_ref().expect(181 "missing evaluation state, some functions should be called inside of run_in_state call",182 ))183 })184}185pub fn push_frame<T>(186 e: CallLocation,187 frame_desc: impl FnOnce() -> String,188 f: impl FnOnce() -> Result<T>,189) -> Result<T> {190 with_state(|s| s.push(e, frame_desc, f))191}192193#[allow(dead_code)]194pub fn push_val_frame(195 e: &ExprLocation,196 frame_desc: impl FnOnce() -> String,197 f: impl FnOnce() -> Result<Val>,198) -> Result<Val> {199 with_state(|s| s.push_val(e, frame_desc, f))200}201#[allow(dead_code)]202pub fn push_description_frame<T>(203 frame_desc: impl FnOnce() -> String,204 f: impl FnOnce() -> Result<T>,205) -> Result<T> {206 with_state(|s| s.push_description(frame_desc, f))207}208209210#[derive(Default, Clone)]211pub struct EvaluationState(Rc<EvaluationStateInternals>);212213impl EvaluationState {214 215 pub fn add_file(&self, path: Rc<Path>, source_code: IStr) -> Result<LocExpr> {216 let parsed = parse(217 &source_code,218 &ParserSettings {219 file_name: path.clone(),220 },221 )222 .map_err(|error| ImportSyntaxError {223 error: Box::new(error),224 path: path.to_owned(),225 source_code: source_code.clone(),226 })?;227 self.add_parsed_file(path, source_code, parsed.clone())?;228229 Ok(parsed)230 }231232 pub fn reset_evaluation_state(&self, name: &Path) {233 self.data_mut()234 .files235 .get_mut(name)236 .unwrap()237 .evaluated238 .take();239 }240241 242 pub fn add_parsed_file(243 &self,244 name: Rc<Path>,245 source_code: IStr,246 parsed: LocExpr,247 ) -> Result<()> {248 self.data_mut().files.insert(249 name,250 FileData {251 source_code,252 parsed,253 evaluated: None,254 },255 );256257 Ok(())258 }259 pub fn get_source(&self, name: &Path) -> Option<IStr> {260 let ro_map = &self.data().files;261 ro_map.get(name).map(|value| value.source_code.clone())262 }263 pub fn map_source_locations(&self, file: &Path, locs: &[usize]) -> Vec<CodeLocation> {264 offset_to_location(&self.get_source(file).unwrap_or_else(|| "".into()), locs)265 }266 pub fn map_from_source_location(267 &self,268 file: &Path,269 line: usize,270 column: usize,271 ) -> Option<usize> {272 location_to_offset(&self.get_source(file).unwrap(), line, column)273 }274 pub fn import_file(&self, from: &Path, path: &Path) -> Result<Val> {275 let file_path = self.resolve_file(from, path)?;276 {277 let data = self.data();278 let files = &data.files;279 if files.contains_key(&file_path as &Path) {280 drop(data);281 return self.evaluate_loaded_file_raw(&file_path);282 }283 }284 let contents = self.load_file_str(&file_path)?;285 self.add_file(file_path.clone(), contents)?;286 self.evaluate_loaded_file_raw(&file_path)287 }288 pub(crate) fn import_file_str(&self, from: &Path, path: &Path) -> Result<IStr> {289 let path = self.resolve_file(from, path)?;290 if !self.data().str_files.contains_key(&path) {291 let file_str = self.load_file_str(&path)?;292 self.data_mut().str_files.insert(path.clone(), file_str);293 }294 Ok(self.data().str_files.get(&path).cloned().unwrap())295 }296 pub(crate) fn import_file_bin(&self, from: &Path, path: &Path) -> Result<Rc<[u8]>> {297 let path = self.resolve_file(from, path)?;298 if !self.data().bin_files.contains_key(&path) {299 let file_bin = self.load_file_bin(&path)?;300 self.data_mut().bin_files.insert(path.clone(), file_bin);301 }302 Ok(self.data().bin_files.get(&path).cloned().unwrap())303 }304305 fn evaluate_loaded_file_raw(&self, name: &Path) -> Result<Val> {306 let expr: LocExpr = {307 let ro_map = &self.data().files;308 let value = ro_map309 .get(name)310 .unwrap_or_else(|| panic!("file not added: {:?}", name));311 if let Some(ref evaluated) = value.evaluated {312 return Ok(evaluated.clone());313 }314 value.parsed.clone()315 };316 let value = evaluate(self.create_default_context(), &expr)?;317 {318 self.data_mut()319 .files320 .get_mut(name)321 .unwrap()322 .evaluated323 .replace(value.clone());324 }325 Ok(value)326 }327328 329 pub fn with_stdlib(&self) -> &Self {330 use jrsonnet_stdlib::STDLIB_STR;331 let std_path: Rc<Path> = PathBuf::from("std.jsonnet").into();332 self.run_in_state(|| {333 self.add_parsed_file(334 std_path.clone(),335 STDLIB_STR.to_owned().into(),336 builtin::get_parsed_stdlib(),337 )338 .unwrap();339 let val = self.evaluate_loaded_file_raw(&std_path).unwrap();340 self.settings_mut().globals.insert("std".into(), val);341 });342 self343 }344345 346 pub fn create_default_context(&self) -> Context {347 let globals = &self.settings().globals;348 let mut new_bindings = GcHashMap::with_capacity(globals.len());349 for (name, value) in globals.iter() {350 new_bindings.insert(name.clone(), LazyVal::new_resolved(value.clone()));351 }352 Context::new().extend_bound(new_bindings)353 }354355 356 pub fn push<T>(357 &self,358 e: CallLocation,359 frame_desc: impl FnOnce() -> String,360 f: impl FnOnce() -> Result<T>,361 ) -> Result<T> {362 {363 let mut data = self.data_mut();364 let stack_depth = &mut data.stack_depth;365 if *stack_depth > self.max_stack() {366 367 drop(data);368 throw!(StackOverflow);369 } else {370 *stack_depth += 1;371 }372 }373 let result = f();374 {375 let mut data = self.data_mut();376 data.stack_depth -= 1;377 data.stack_generation += 1;378 }379 if let Err(mut err) = result {380 err.trace_mut().0.push(StackTraceElement {381 location: e.0.cloned(),382 desc: frame_desc(),383 });384 return Err(err);385 }386 result387 }388389 390 pub fn push_val(391 &self,392 e: &ExprLocation,393 frame_desc: impl FnOnce() -> String,394 f: impl FnOnce() -> Result<Val>,395 ) -> Result<Val> {396 {397 let mut data = self.data_mut();398 let stack_depth = &mut data.stack_depth;399 if *stack_depth > self.max_stack() {400 401 drop(data);402 throw!(StackOverflow);403 } else {404 *stack_depth += 1;405 }406 }407 let mut result = f();408 {409 let mut data = self.data_mut();410 data.stack_depth -= 1;411 data.stack_generation += 1;412 result = data413 .breakpoints414 .insert(data.stack_depth, data.stack_generation, e, result);415 }416 if let Err(mut err) = result {417 err.trace_mut().0.push(StackTraceElement {418 location: Some(e.clone()),419 desc: frame_desc(),420 });421 return Err(err);422 }423 result424 }425 426 pub fn push_description<T>(427 &self,428 frame_desc: impl FnOnce() -> String,429 f: impl FnOnce() -> Result<T>,430 ) -> Result<T> {431 {432 let mut data = self.data_mut();433 let stack_depth = &mut data.stack_depth;434 if *stack_depth > self.max_stack() {435 436 drop(data);437 throw!(StackOverflow);438 } else {439 *stack_depth += 1;440 }441 }442 let result = f();443 {444 let mut data = self.data_mut();445 data.stack_depth -= 1;446 data.stack_generation += 1;447 }448 if let Err(mut err) = result {449 err.trace_mut().0.push(StackTraceElement {450 location: None,451 desc: frame_desc(),452 });453 return Err(err);454 }455 result456 }457458 459 pub fn run_in_state<T>(&self, f: impl FnOnce() -> T) -> T {460 EVAL_STATE.with(|v| {461 let has_state = v.borrow().is_some();462 if !has_state {463 v.borrow_mut().replace(self.clone());464 }465 let result = f();466 if !has_state {467 v.borrow_mut().take();468 }469 result470 })471 }472 pub fn run_in_state_with_breakpoint(473 &self,474 bp: Rc<Breakpoint>,475 f: impl FnOnce() -> Result<()>,476 ) -> Result<()> {477 {478 let mut data = self.data_mut();479 data.breakpoints.0.push(bp);480 }481482 let result = self.run_in_state(f);483484 {485 let mut data = self.data_mut();486 data.breakpoints.0.pop();487 }488489 result490 }491492 pub fn stringify_err(&self, e: &LocError) -> String {493 let mut out = String::new();494 self.settings()495 .trace_format496 .write_trace(&mut out, self, e)497 .unwrap();498 out499 }500501 pub fn manifest(&self, val: Val) -> Result<IStr> {502 self.run_in_state(|| {503 push_description_frame(504 || "manifestification".to_string(),505 || val.manifest(&self.manifest_format()),506 )507 })508 }509 pub fn manifest_multi(&self, val: Val) -> Result<Vec<(IStr, IStr)>> {510 self.run_in_state(|| val.manifest_multi(&self.manifest_format()))511 }512 pub fn manifest_stream(&self, val: Val) -> Result<Vec<IStr>> {513 self.run_in_state(|| val.manifest_stream(&self.manifest_format()))514 }515516 517 pub fn with_tla(&self, val: Val) -> Result<Val> {518 self.run_in_state(|| {519 Ok(match val {520 Val::Func(func) => push_description_frame(521 || "during TLA call".to_owned(),522 || {523 func.evaluate(524 self.create_default_context(),525 CallLocation::native(),526 &self.settings().tla_vars,527 true,528 )529 },530 )?,531 v => v,532 })533 })534 }535}536537538impl EvaluationState {539 fn data(&self) -> Ref<EvaluationData> {540 self.0.data.borrow()541 }542 fn data_mut(&self) -> RefMut<EvaluationData> {543 self.0.data.borrow_mut()544 }545 pub fn settings(&self) -> Ref<EvaluationSettings> {546 self.0.settings.borrow()547 }548 pub fn settings_mut(&self) -> RefMut<EvaluationSettings> {549 self.0.settings.borrow_mut()550 }551}552553554impl EvaluationState {555 pub fn evaluate_file_raw(&self, name: &Path) -> Result<Val> {556 self.run_in_state(|| self.import_file(&std::env::current_dir().expect("cwd"), name))557 }558 pub fn evaluate_file_raw_nocwd(&self, name: &Path) -> Result<Val> {559 self.run_in_state(|| self.import_file(&PathBuf::from("."), name))560 }561 562 pub fn evaluate_snippet_raw(&self, source: Rc<Path>, code: IStr) -> Result<Val> {563 let parsed = parse(564 &code,565 &ParserSettings {566 file_name: source.clone(),567 },568 )569 .map_err(|e| ImportSyntaxError {570 path: source.clone(),571 source_code: code.clone(),572 error: Box::new(e),573 })?;574 self.add_parsed_file(source, code, parsed.clone())?;575 self.evaluate_expr_raw(parsed)576 }577 578 pub fn evaluate_expr_raw(&self, code: LocExpr) -> Result<Val> {579 self.run_in_state(|| evaluate(self.create_default_context(), &code))580 }581}582583584impl EvaluationState {585 pub fn add_ext_var(&self, name: IStr, value: Val) {586 self.settings_mut().ext_vars.insert(name, value);587 }588 pub fn add_ext_str(&self, name: IStr, value: IStr) {589 self.add_ext_var(name, Val::Str(value));590 }591 pub fn add_ext_code(&self, name: IStr, code: IStr) -> Result<()> {592 let value =593 self.evaluate_snippet_raw(PathBuf::from(format!("ext_code {}", name)).into(), code)?;594 self.add_ext_var(name, value);595 Ok(())596 }597598 pub fn add_tla(&self, name: IStr, value: Val) {599 self.settings_mut()600 .tla_vars601 .insert(name, TlaArg::Val(value));602 }603 pub fn add_tla_str(&self, name: IStr, value: IStr) {604 self.settings_mut()605 .tla_vars606 .insert(name, TlaArg::String(value));607 }608 pub fn add_tla_code(&self, name: IStr, code: IStr) -> Result<()> {609 let parsed = self.add_file(PathBuf::from(format!("tla_code {}", name)).into(), code)?;610 self.settings_mut()611 .tla_vars612 .insert(name, TlaArg::Code(parsed));613 Ok(())614 }615616 pub fn resolve_file(&self, from: &Path, path: &Path) -> Result<Rc<Path>> {617 self.settings().import_resolver.resolve_file(from, path)618 }619 pub fn load_file_str(&self, path: &Path) -> Result<IStr> {620 self.settings().import_resolver.load_file_str(path)621 }622 pub fn load_file_bin(&self, path: &Path) -> Result<Rc<[u8]>> {623 self.settings().import_resolver.load_file_bin(path)624 }625626 pub fn import_resolver(&self) -> Ref<dyn ImportResolver> {627 Ref::map(self.settings(), |s| &*s.import_resolver)628 }629 pub fn set_import_resolver(&self, resolver: Box<dyn ImportResolver>) {630 self.settings_mut().import_resolver = resolver;631 }632633 pub fn add_native(&self, name: IStr, cb: Cc<TraceBox<dyn Builtin>>) {634 self.settings_mut().ext_natives.insert(name, cb);635 }636637 pub fn manifest_format(&self) -> ManifestFormat {638 self.settings().manifest_format.clone()639 }640 pub fn set_manifest_format(&self, format: ManifestFormat) {641 self.settings_mut().manifest_format = format;642 }643644 pub fn trace_format(&self) -> Ref<dyn TraceFormat> {645 Ref::map(self.settings(), |s| &*s.trace_format)646 }647 pub fn set_trace_format(&self, format: Box<dyn TraceFormat>) {648 self.settings_mut().trace_format = format;649 }650651 pub fn max_trace(&self) -> usize {652 self.settings().max_trace653 }654 pub fn set_max_trace(&self, trace: usize) {655 self.settings_mut().max_trace = trace;656 }657658 pub fn max_stack(&self) -> usize {659 self.settings().max_stack660 }661 pub fn set_max_stack(&self, trace: usize) {662 self.settings_mut().max_stack = trace;663 }664}665666pub fn cc_ptr_eq<T>(a: &Cc<T>, b: &Cc<T>) -> bool {667 let a = a as &T;668 let b = b as &T;669 std::ptr::eq(a, b)670}671672fn weak_raw<T>(a: Weak<T>) -> *const () {673 unsafe { std::mem::transmute(a) }674}675fn weak_ptr_eq<T>(a: Weak<T>, b: Weak<T>) -> bool {676 std::ptr::eq(weak_raw(a), weak_raw(b))677}678679#[test]680fn weak_unsafe() {681 let a = Cc::new(1);682 let b = Cc::new(2);683684 let aw1 = a.clone().downgrade();685 let aw2 = a.clone().downgrade();686 let aw3 = a.clone().downgrade();687688 let bw = b.clone().downgrade();689690 assert!(weak_ptr_eq(aw1, aw2));691 assert!(!weak_ptr_eq(aw3, bw));692}693694#[cfg(test)]695pub mod tests {696 use super::Val;697 use crate::{698 error::Error::*, function::BuiltinParam, gc::TraceBox, native::NativeCallbackHandler,699 primitive_equals, EvaluationState,700 };701 use gcmodule::{Cc, Trace};702 use jrsonnet_parser::*;703 use std::{704 path::{Path, PathBuf},705 rc::Rc,706 };707708 #[test]709 #[should_panic]710 fn eval_state_stacktrace() {711 let state = EvaluationState::default();712 state.run_in_state(|| {713 state714 .push(715 Some(&ExprLocation(PathBuf::from("test1.jsonnet").into(), 10, 20)),716 || "outer".to_owned(),717 || {718 state.push(719 Some(&ExprLocation(PathBuf::from("test2.jsonnet").into(), 30, 40)),720 || "inner".to_owned(),721 || Err(RuntimeError("".into()).into()),722 )?;723 Ok(Val::Null)724 },725 )726 .unwrap();727 });728 }729730 #[test]731 fn eval_state_standard() {732 let state = EvaluationState::default();733 state.with_stdlib();734 assert!(primitive_equals(735 &state736 .evaluate_snippet_raw(737 PathBuf::from("raw.jsonnet").into(),738 r#"std.assertEqual(std.base64("test"), "dGVzdA==")"#.into()739 )740 .unwrap(),741 &Val::Bool(true),742 )743 .unwrap());744 }745746 macro_rules! eval {747 ($str: expr) => {{748 let evaluator = EvaluationState::default();749 evaluator.with_stdlib();750 evaluator.run_in_state(|| {751 evaluator752 .evaluate_snippet_raw(PathBuf::from("raw.jsonnet").into(), $str.into())753 .unwrap()754 })755 }};756 }757 macro_rules! eval_json {758 ($str: expr) => {{759 let evaluator = EvaluationState::default();760 evaluator.with_stdlib();761 evaluator.run_in_state(|| {762 evaluator763 .evaluate_snippet_raw(PathBuf::from("raw.jsonnet").into(), $str.into())764 .unwrap()765 .to_json(0)766 .unwrap()767 .replace("\n", "")768 })769 }};770 }771772 773 macro_rules! assert_eval {774 ($str: expr) => {775 assert!(primitive_equals(&eval!($str), &Val::Bool(true)).unwrap())776 };777 }778779 780 macro_rules! assert_eval_neg {781 ($str: expr) => {782 assert!(primitive_equals(&eval!($str), &Val::Bool(false)).unwrap())783 };784 }785 macro_rules! assert_json {786 ($str: expr, $out: expr) => {787 assert_eq!(eval_json!($str), $out.replace("\t", ""))788 };789 }790791 792 #[test]793 fn equality_operator() {794 assert_eval!("2 == 2");795 assert_eval_neg!("2 != 2");796 assert_eval!("2 != 3");797 assert_eval_neg!("2 == 3");798 assert_eval!("'Hello' == 'Hello'");799 assert_eval_neg!("'Hello' != 'Hello'");800 assert_eval!("'Hello' != 'World'");801 assert_eval_neg!("'Hello' == 'World'");802 }803804 #[test]805 fn math_evaluation() {806 assert_eval!("2 + 2 * 2 == 6");807 assert_eval!("3 + (2 + 2 * 2) == 9");808 }809810 #[test]811 fn string_concat() {812 assert_eval!("'Hello' + 'World' == 'HelloWorld'");813 assert_eval!("'Hello' * 3 == 'HelloHelloHello'");814 assert_eval!("'Hello' + 'World' * 3 == 'HelloWorldWorldWorld'");815 }816817 #[test]818 fn faster_join() {819 assert_eval!("std.join([0,0], [[1,2],[3,4],[5,6]]) == [1,2,0,0,3,4,0,0,5,6]");820 assert_eval!("std.join(',', ['1','2','3','4']) == '1,2,3,4'");821 }822823 #[test]824 fn function_contexts() {825 assert_eval!(826 r#"827 local k = {828 t(name = self.h): [self.h, name],829 h: 3,830 };831 local f = {832 t: k.t(),833 h: 4,834 };835 f.t[0] == f.t[1]836 "#837 );838 }839840 #[test]841 fn local() {842 assert_eval!("local a = 2; local b = 3; a + b == 5");843 assert_eval!("local a = 1, b = a + 1; a + b == 3");844 assert_eval!("local a = 1; local a = 2; a == 2");845 }846847 #[test]848 fn object_lazyness() {849 assert_json!("local a = {a:error 'test'}; {}", r#"{}"#);850 }851852 #[test]853 fn object_inheritance() {854 assert_json!("{a: self.b} + {b:3}", r#"{"a": 3,"b": 3}"#);855 }856857 #[test]858 fn object_assertion_success() {859 eval!("{assert \"a\" in self} + {a:2}");860 }861862 #[test]863 fn object_assertion_error() {864 eval!("{assert \"a\" in self}");865 }866867 #[test]868 fn lazy_args() {869 eval!("local test(a) = 2; test(error '3')");870 }871872 #[test]873 #[should_panic]874 fn tailstrict_args() {875 eval!("local test(a) = 2; test(error '3') tailstrict");876 }877878 #[test]879 #[should_panic]880 fn no_binding_error() {881 eval!("a");882 }883884 #[test]885 fn test_object() {886 assert_json!("{a:2}", r#"{"a": 2}"#);887 assert_json!("{a:2+2}", r#"{"a": 4}"#);888 assert_json!("{a:2}+{b:2}", r#"{"a": 2,"b": 2}"#);889 assert_json!("{b:3}+{b:2}", r#"{"b": 2}"#);890 assert_json!("{b:3}+{b+:2}", r#"{"b": 5}"#);891 assert_json!("local test='a'; {[test]:2}", r#"{"a": 2}"#);892 assert_json!(893 r#"894 {895 name: "Alice",896 welcome: "Hello " + self.name + "!",897 }898 "#,899 r#"{"name": "Alice","welcome": "Hello Alice!"}"#900 );901 assert_json!(902 r#"903 {904 name: "Alice",905 welcome: "Hello " + self.name + "!",906 } + {907 name: "Bob"908 }909 "#,910 r#"{"name": "Bob","welcome": "Hello Bob!"}"#911 );912 }913914 #[test]915 fn functions() {916 assert_json!(r#"local a = function(b, c = 2) b + c; a(2)"#, "4");917 assert_json!(918 r#"local a = function(b, c = "Dear") b + c + d, d = "World"; a("Hello")"#,919 r#""HelloDearWorld""#920 );921 }922923 #[test]924 fn local_methods() {925 assert_json!(r#"local a(b, c = 2) = b + c; a(2)"#, "4");926 assert_json!(927 r#"local a(b, c = "Dear") = b + c + d, d = "World"; a("Hello")"#,928 r#""HelloDearWorld""#929 );930 }931932 #[test]933 fn object_locals() {934 assert_json!(r#"{local a = 3, b: a}"#, r#"{"b": 3}"#);935 assert_json!(r#"{local a = 3, local c = a, b: c}"#, r#"{"b": 3}"#);936 assert_json!(937 r#"{local a = function (b) {[b]:4}, test: a("test")}"#,938 r#"{"test": {"test": 4}}"#939 );940 }941942 #[test]943 fn object_comp() {944 assert_json!(945 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}"#,946 "{\"h1_2\": \"0a\",\"h1_3\": \"0a\",\"h1_4\": \"0a\",\"h2_3\": \"a1\",\"h2_4\": \"a1\",\"h3_2\": \"0a\",\"h3_4\": \"a1\"}"947 )948 }949950 #[test]951 fn direct_self() {952 println!(953 "{:#?}",954 eval!(955 r#"956 {957 local me = self,958 a: 3,959 b(): me.a,960 }961 "#962 )963 );964 }965966 #[test]967 fn indirect_self() {968 969 970 eval!(971 r#"{972 local me = self,973 a: 3,974 b: me.a,975 }.b"#976 );977 }978979 980 #[test]981 fn std_assert_ok() {982 eval!("std.assertEqual(4.5 << 2, 16)");983 }984985 #[test]986 #[should_panic]987 fn std_assert_failure() {988 eval!("std.assertEqual(4.5 << 2, 15)");989 }990991 #[test]992 fn string_is_string() {993 assert!(primitive_equals(994 &eval!("local arr = 'hello'; (!std.isArray(arr)) && (!std.isString(arr))"),995 &Val::Bool(false),996 )997 .unwrap());998 }9991000 #[test]1001 fn base64_works() {1002 assert_json!(r#"std.base64("test")"#, r#""dGVzdA==""#);1003 }10041005 #[test]1006 fn utf8_chars() {1007 assert_json!(1008 r#"local c="😎";{c:std.codepoint(c),l:std.length(c)}"#,1009 r#"{"c": 128526,"l": 1}"#1010 )1011 }10121013 #[test]1014 fn json() {1015 assert_json!(1016 r#"std.manifestJsonEx({a:3, b:4, c:6},"")"#,1017 r#""{\n\"a\": 3,\n\"b\": 4,\n\"c\": 6\n}""#1018 );1019 }10201021 #[test]1022 fn json_minified() {1023 assert_json!(1024 r#"std.manifestJsonMinified({a:3, b:4, c:6})"#,1025 r#""{\"a\":3,\"b\":4,\"c\":6}""#1026 );1027 }10281029 #[test]1030 fn parse_json() {1031 assert_json!(1032 r#"std.parseJson('{"a": -1,"b": 1,"c": 3.141,"d": []}')"#,1033 r#"{"a": -1,"b": 1,"c": 3.141,"d": []}"#1034 );1035 }10361037 #[test]1038 fn test() {1039 assert_json!(1040 r#"[[a, b] for a in [1,2,3] for b in [4,5,6]]"#,1041 "[[1,4],[1,5],[1,6],[2,4],[2,5],[2,6],[3,4],[3,5],[3,6]]"1042 );1043 }10441045 #[test]1046 fn sjsonnet() {1047 eval!(1048 r#"1049 local x0 = {k: 1};1050 local x1 = {k: x0.k + x0.k};1051 local x2 = {k: x1.k + x1.k};1052 local x3 = {k: x2.k + x2.k};1053 local x4 = {k: x3.k + x3.k};1054 local x5 = {k: x4.k + x4.k};1055 local x6 = {k: x5.k + x5.k};1056 local x7 = {k: x6.k + x6.k};1057 local x8 = {k: x7.k + x7.k};1058 local x9 = {k: x8.k + x8.k};1059 local x10 = {k: x9.k + x9.k};1060 local x11 = {k: x10.k + x10.k};1061 local x12 = {k: x11.k + x11.k};1062 local x13 = {k: x12.k + x12.k};1063 local x14 = {k: x13.k + x13.k};1064 local x15 = {k: x14.k + x14.k};1065 local x16 = {k: x15.k + x15.k};1066 local x17 = {k: x16.k + x16.k};1067 local x18 = {k: x17.k + x17.k};1068 local x19 = {k: x18.k + x18.k};1069 local x20 = {k: x19.k + x19.k};1070 local x21 = {k: x20.k + x20.k};1071 x21.k1072 "#1073 );1074 }10751076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 10881089 10901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115 #[test]1116 fn equality() {1117 println!(1118 "{:?}",1119 jrsonnet_parser::parse(1120 "{ x: 1, y: 2 } == { x: 1, y: 2 }",1121 &ParserSettings {1122 file_name: PathBuf::from("equality").into(),1123 }1124 )1125 );1126 assert_eval!("{ x: 1, y: 2 } == { x: 1, y: 2 }")1127 }11281129 #[test]1130 fn native_ext() -> crate::error::Result<()> {1131 use super::native::NativeCallback;1132 let evaluator = EvaluationState::default();11331134 evaluator.with_stdlib();11351136 #[derive(Trace)]1137 struct NativeAdd;1138 impl NativeCallbackHandler for NativeAdd {1139 fn call(&self, from: Option<Rc<Path>>, args: &[Val]) -> crate::error::Result<Val> {1140 assert_eq!(1141 &from.unwrap() as &Path,1142 &PathBuf::from("native_caller.jsonnet")1143 );1144 match (&args[0], &args[1]) {1145 (Val::Num(a), Val::Num(b)) => Ok(Val::Num(a + b)),1146 (_, _) => unreachable!(),1147 }1148 }1149 }1150 evaluator.settings_mut().ext_natives.insert(1151 "native_add".into(),1152 #[allow(deprecated)]1153 Cc::new(TraceBox(Box::new(NativeCallback::new(1154 vec![1155 BuiltinParam {1156 name: "a".into(),1157 has_default: false,1158 },1159 BuiltinParam {1160 name: "b".into(),1161 has_default: false,1162 },1163 ],1164 TraceBox(Box::new(NativeAdd)),1165 )))),1166 );1167 evaluator.evaluate_snippet_raw(1168 PathBuf::from("native_caller.jsonnet").into(),1169 "std.assertEqual(std.native(\"native_add\")(1, 2), 3)".into(),1170 )?;1171 Ok(())1172 }11731174 #[test]1175 fn constant_intrinsic() -> crate::error::Result<()> {1176 assert_eval!(1177 "local std2 = std; local std = std2 { primitiveEquals(a, b):: false }; 1 == 1"1178 );1179 Ok(())1180 }11811182 #[test]1183 fn standalone_super() -> crate::error::Result<()> {1184 assert_eval!(1185 r#"1186 local obj = {1187 a: 1,1188 b: 2,1189 c: 3,1190 };1191 local test = obj + {1192 fields: std.objectFields(super),1193 d: 5,1194 };1195 test.fields == ['a', 'b', 'c']1196 "#1197 );1198 Ok(())1199 }12001201 #[test]1202 fn comp_self() -> crate::error::Result<()> {1203 assert_eval!(1204 r#"1205 std.objectFields({1206 a:{1207 [name]: name for name in std.objectFields(self)1208 },1209 b: 2,1210 c: 3,1211 }.a) == ['a', 'b', 'c']1212 "#1213 );12141215 Ok(())1216 }12171218 struct TestImportResolver(Vec<u8>);1219 impl crate::import::ImportResolver for TestImportResolver {1220 fn resolve_file(&self, _: &Path, _: &Path) -> crate::error::Result<Rc<Path>> {1221 Ok(PathBuf::from("/test").into())1222 }12231224 fn load_file_contents(&self, _: &Path) -> crate::error::Result<Vec<u8>> {1225 Ok(self.0.clone())1226 }12271228 unsafe fn as_any(&self) -> &dyn std::any::Any {1229 panic!()1230 }12311232 fn load_file_bin(&self, _resolved: &Path) -> crate::error::Result<Rc<[u8]>> {1233 panic!()1234 }1235 }12361237 #[test]1238 fn issue_23() {1239 let state = EvaluationState::default();1240 state.set_import_resolver(Box::new(TestImportResolver(r#"import "/test""#.into())));1241 let _ = state.evaluate_file_raw(&PathBuf::from("/test"));1242 }12431244 #[test]1245 fn issue_40() {1246 let state = EvaluationState::default();1247 state.with_stdlib();12481249 let error = state1250 .evaluate_snippet_raw(1251 PathBuf::from("issue40.jsonnet").into(),1252 r#"1253 local conf = {1254 n: ""1255 };12561257 local result = conf + {1258 assert std.isNumber(self.n): "is number"1259 };12601261 std.manifestJsonEx(result, "")1262 "#1263 .into(),1264 )1265 .unwrap_err();1266 assert_eq!(error.error().to_string(), "assert failed: is number");1267 }12681269 #[test]1270 fn test_ascii_upper_lower() {1271 assert_eval!(r#"std.assertEqual(std.asciiUpper("aBc😀"), "ABC😀")"#);1272 assert_eval!(r#"std.assertEqual(std.asciiLower("aBc😀"), "abc😀")"#);1273 }12741275 #[test]1276 fn test_member() {1277 assert_eval!(r#"!std.member("", "")"#);1278 assert_eval!(r#"std.member("abc", "a")"#);1279 assert_eval!(r#"!std.member("abc", "d")"#);1280 assert_eval!(r#"!std.member([], "")"#);1281 assert_eval!(r#"std.member(["a", "b", "c"], "a")"#);1282 assert_eval!(r#"!std.member(["a", "b", "c"], "d")"#);1283 }12841285 #[test]1286 fn test_count() {1287 assert_eval!(r#"std.assertEqual(std.count([], ""), 0)"#);1288 assert_eval!(r#"std.assertEqual(std.count(["a", "b", "a"], "d"), 0)"#);1289 assert_eval!(r#"std.assertEqual(std.count(["a", "b", "a"], "a"), 2)"#);1290 }12911292 mod derive_typed {1293 use crate::{typed::Typed, EvaluationState};1294 use std::path::PathBuf;12951296 #[derive(Typed, PartialEq, Debug)]1297 struct MyTyped {1298 a: u32,1299 #[typed(rename = "b")]1300 c: String,1301 }13021303 #[test]1304 fn test() {1305 let es = EvaluationState::default();1306 let val = eval!("{a: 14, b: 'Hello, world!'}");1307 let typed = es.run_in_state(|| MyTyped::try_from(val).unwrap());13081309 assert_eq!(1310 typed,1311 MyTyped {1312 a: 14,1313 c: "Hello, world!".to_string()1314 }1315 );1316 es.settings_mut().globals.insert(1317 "mytyped".into(),1318 es.run_in_state(|| typed.try_into()).unwrap(),1319 );13201321 let v = es1322 .evaluate_snippet_raw(1323 PathBuf::from("raw.jsonnet").into(),1324 "1325 mytyped == {a: 14, b: 'Hello, world!'}1326 "1327 .into(),1328 )1329 .unwrap()1330 .as_bool()1331 .unwrap();1332 assert!(v)1333 }1334 }1335}