mirror of
https://github.com/roc-lang/roc.git
synced 2025-08-03 11:52:19 +00:00
Move syntax tests to a dedicated crate
* test_fmt moves out of fmt crate * test_parse _mostly_ moves out of parse crate and into `test_snapshots.rs` (some simple tests remain) * now there's only two fuzz targets, fuzz_expr and fuzz_module, that cover both parsing and formatting * added a system to auto-add new snapshot entries for new test files * took some commented-out tests in `test_parse` and converted them to snapshot tests * moved test_fmt's verification of formatting consistency into test_snapshots * fixed a huge derp on my part where the fmt fuzzer in #4758 was completely useless (broken by refactoring just prior to submitting the PR) * fixed a formatting bug found by fuzzing (bound_variable.expr.roc) - that I missed earlier due to ^^^ that derp * no longer have roc_test_utils as a dependency in fmt - which was causing problems for the wasm build
This commit is contained in:
Joshua Warner
parent
f0b3c3eb08
commit
bfeddc470a
701 changed files with 1929 additions and 1516 deletions
21
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authors = ["The Roc Contributors"]
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description = "Tests for the parse + fmt crates."
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||||
|
||||
[[package]]
|
||||
name = "rand_core"
|
||||
version = "0.6.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
|
||||
|
||||
[[package]]
|
||||
name = "rand_xoshiro"
|
||||
version = "0.6.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6f97cdb2a36ed4183de61b2f824cc45c9f1037f28afe0a322e9fff4c108b5aaa"
|
||||
dependencies = [
|
||||
"rand_core",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rayon"
|
||||
version = "1.6.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6db3a213adf02b3bcfd2d3846bb41cb22857d131789e01df434fb7e7bc0759b7"
|
||||
dependencies = [
|
||||
"either",
|
||||
"rayon-core",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rayon-core"
|
||||
version = "1.10.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cac410af5d00ab6884528b4ab69d1e8e146e8d471201800fa1b4524126de6ad3"
|
||||
dependencies = [
|
||||
"crossbeam-channel",
|
||||
"crossbeam-deque",
|
||||
"crossbeam-utils",
|
||||
"num_cpus",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "remove_dir_all"
|
||||
version = "0.7.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "882f368737489ea543bc5c340e6f3d34a28c39980bd9a979e47322b26f60ac40"
|
||||
dependencies = [
|
||||
"libc",
|
||||
"log",
|
||||
"num_cpus",
|
||||
"rayon",
|
||||
"winapi",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "roc_collections"
|
||||
version = "0.0.1"
|
||||
dependencies = [
|
||||
"bitvec",
|
||||
"bumpalo",
|
||||
"fnv",
|
||||
"hashbrown",
|
||||
"im",
|
||||
"im-rc",
|
||||
"wyhash",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "roc_error_macros"
|
||||
version = "0.0.1"
|
||||
|
||||
[[package]]
|
||||
name = "roc_fmt"
|
||||
version = "0.0.1"
|
||||
dependencies = [
|
||||
"bumpalo",
|
||||
"roc_collections",
|
||||
"roc_module",
|
||||
"roc_parse",
|
||||
"roc_region",
|
||||
"roc_test_utils",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "roc_ident"
|
||||
version = "0.0.1"
|
||||
|
||||
[[package]]
|
||||
name = "roc_module"
|
||||
version = "0.0.1"
|
||||
dependencies = [
|
||||
"bumpalo",
|
||||
"roc_collections",
|
||||
"roc_error_macros",
|
||||
"roc_ident",
|
||||
"roc_region",
|
||||
"snafu",
|
||||
"static_assertions",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "roc_parse"
|
||||
version = "0.0.1"
|
||||
dependencies = [
|
||||
"bumpalo",
|
||||
"encode_unicode",
|
||||
"roc_collections",
|
||||
"roc_module",
|
||||
"roc_region",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "roc_region"
|
||||
version = "0.0.1"
|
||||
dependencies = [
|
||||
"static_assertions",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "roc_test_utils"
|
||||
version = "0.0.1"
|
||||
dependencies = [
|
||||
"pretty_assertions",
|
||||
"remove_dir_all",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rustc-demangle"
|
||||
version = "0.1.21"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
|
||||
|
||||
[[package]]
|
||||
name = "scopeguard"
|
||||
version = "1.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
|
||||
|
||||
[[package]]
|
||||
name = "sized-chunks"
|
||||
version = "0.6.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "16d69225bde7a69b235da73377861095455d298f2b970996eec25ddbb42b3d1e"
|
||||
dependencies = [
|
||||
"bitmaps",
|
||||
"typenum",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "snafu"
|
||||
version = "0.7.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5177903bf45656592d9eb5c0e22f408fc023aae51dbe2088889b71633ba451f2"
|
||||
dependencies = [
|
||||
"backtrace",
|
||||
"doc-comment",
|
||||
"snafu-derive",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "snafu-derive"
|
||||
version = "0.7.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "410b26ed97440d90ced3e2488c868d56a86e2064f5d7d6f417909b286afe25e5"
|
||||
dependencies = [
|
||||
"heck",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "static_assertions"
|
||||
version = "1.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "1.0.99"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "58dbef6ec655055e20b86b15a8cc6d439cca19b667537ac6a1369572d151ab13"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tap"
|
||||
version = "1.0.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
|
||||
|
||||
[[package]]
|
||||
name = "test_syntax"
|
||||
version = "0.0.1"
|
||||
dependencies = [
|
||||
"bumpalo",
|
||||
"roc_collections",
|
||||
"roc_fmt",
|
||||
"roc_module",
|
||||
"roc_parse",
|
||||
"roc_region",
|
||||
"roc_test_utils",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "test_syntax-fuzz"
|
||||
version = "0.0.0"
|
||||
dependencies = [
|
||||
"bumpalo",
|
||||
"libfuzzer-sys",
|
||||
"test_syntax",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "typenum"
|
||||
version = "1.12.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-ident"
|
||||
version = "1.0.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "c4f5b37a154999a8f3f98cc23a628d850e154479cd94decf3414696e12e31aaf"
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.9.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
|
||||
|
||||
[[package]]
|
||||
name = "wasi"
|
||||
version = "0.11.0+wasi-snapshot-preview1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||
dependencies = [
|
||||
"winapi-i686-pc-windows-gnu",
|
||||
"winapi-x86_64-pc-windows-gnu",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-i686-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-x86_64-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
|
||||
[[package]]
|
||||
name = "wyhash"
|
||||
version = "0.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "baf6e163c25e3fac820b4b453185ea2dea3b6a3e0a721d4d23d75bd33734c295"
|
||||
dependencies = [
|
||||
"rand_core",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wyz"
|
||||
version = "0.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "30b31594f29d27036c383b53b59ed3476874d518f0efb151b27a4c275141390e"
|
||||
dependencies = [
|
||||
"tap",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "yansi"
|
||||
version = "0.5.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "09041cd90cf85f7f8b2df60c646f853b7f535ce68f85244eb6731cf89fa498ec"
|
||||
30
crates/compiler/test_syntax/fuzz/Cargo.toml
Normal file
30
crates/compiler/test_syntax/fuzz/Cargo.toml
Normal file
|
|
@ -0,0 +1,30 @@
|
|||
[package]
|
||||
name = "test_syntax-fuzz"
|
||||
version = "0.0.0"
|
||||
authors = ["Automatically generated"]
|
||||
publish = false
|
||||
edition = "2021"
|
||||
|
||||
[package.metadata]
|
||||
cargo-fuzz = true
|
||||
|
||||
[dependencies]
|
||||
libfuzzer-sys = "0.3"
|
||||
bumpalo = { version = "3.6.1", features = ["collections"] }
|
||||
test_syntax = { path = "../../test_syntax" }
|
||||
|
||||
# Prevent this from interfering with workspaces
|
||||
[workspace]
|
||||
members = ["."]
|
||||
|
||||
[[bin]]
|
||||
name = "fuzz_expr"
|
||||
path = "fuzz_targets/fuzz_expr.rs"
|
||||
test = false
|
||||
doc = false
|
||||
|
||||
[[bin]]
|
||||
name = "fuzz_module"
|
||||
path = "fuzz_targets/fuzz_module.rs"
|
||||
test = false
|
||||
doc = false
|
||||
13
crates/compiler/test_syntax/fuzz/README.md
Normal file
13
crates/compiler/test_syntax/fuzz/README.md
Normal file
|
|
@ -0,0 +1,13 @@
|
|||
# fuzz
|
||||
|
||||
To setup fuzzing you will need to install cargo-fuzz and run with rust nightly:
|
||||
|
||||
```sh
|
||||
$ cargo install cargo-fuzz
|
||||
$ cargo +nightly fuzz run -j<cores> <target> -- -dict=../parse/fuzz/dict.txt
|
||||
```
|
||||
|
||||
The different targets can be found by running `cargo fuzz list`.
|
||||
|
||||
When a bug is found, it will be reported with commands to run it again and look for a minimized version.
|
||||
If you are going to file a bug, please minimize the input before filing the bug.
|
||||
40
crates/compiler/test_syntax/fuzz/dict.txt
Normal file
40
crates/compiler/test_syntax/fuzz/dict.txt
Normal file
|
|
@ -0,0 +1,40 @@
|
|||
"if"
|
||||
"then"
|
||||
"else"
|
||||
"when"
|
||||
"as"
|
||||
"is"
|
||||
"expect"
|
||||
"dbg"
|
||||
"has"
|
||||
|
||||
"app"
|
||||
"platform"
|
||||
"package"
|
||||
"provides"
|
||||
"requires"
|
||||
"exposes"
|
||||
"imports"
|
||||
"effects"
|
||||
"interface"
|
||||
|
||||
"|>"
|
||||
"=="
|
||||
"!="
|
||||
"&&"
|
||||
"||"
|
||||
"+"
|
||||
"*"
|
||||
"-"
|
||||
"//"
|
||||
"/"
|
||||
"<="
|
||||
"<"
|
||||
">="
|
||||
">"
|
||||
"^"
|
||||
"%"
|
||||
":="
|
||||
":"
|
||||
"@"
|
||||
"->"
|
||||
14
crates/compiler/test_syntax/fuzz/fuzz_targets/fuzz_expr.rs
Normal file
14
crates/compiler/test_syntax/fuzz/fuzz_targets/fuzz_expr.rs
Normal file
|
|
@ -0,0 +1,14 @@
|
|||
#![no_main]
|
||||
use libfuzzer_sys::fuzz_target;
|
||||
use bumpalo::Bump;
|
||||
use test_syntax::test_helpers::Input;
|
||||
|
||||
fuzz_target!(|data: &[u8]| {
|
||||
if let Ok(input) = std::str::from_utf8(data) {
|
||||
let input = Input::Expr(input);
|
||||
let arena = Bump::new();
|
||||
if input.parse_in(&arena).is_ok() {
|
||||
input.check_invariants(|_| (), true);
|
||||
}
|
||||
}
|
||||
});
|
||||
14
crates/compiler/test_syntax/fuzz/fuzz_targets/fuzz_module.rs
Normal file
14
crates/compiler/test_syntax/fuzz/fuzz_targets/fuzz_module.rs
Normal file
|
|
@ -0,0 +1,14 @@
|
|||
#![no_main]
|
||||
use libfuzzer_sys::fuzz_target;
|
||||
use bumpalo::Bump;
|
||||
use test_syntax::test_helpers::Input;
|
||||
|
||||
fuzz_target!(|data: &[u8]| {
|
||||
if let Ok(input) = std::str::from_utf8(data) {
|
||||
let input = Input::Full(input);
|
||||
let arena = Bump::new();
|
||||
if input.parse_in(&arena).is_ok() {
|
||||
input.check_invariants(|_| (), true);
|
||||
}
|
||||
}
|
||||
});
|
||||
1
crates/compiler/test_syntax/src/lib.rs
Normal file
1
crates/compiler/test_syntax/src/lib.rs
Normal file
|
|
@ -0,0 +1 @@
|
|||
pub mod test_helpers;
|
||||
239
crates/compiler/test_syntax/src/test_helpers.rs
Normal file
239
crates/compiler/test_syntax/src/test_helpers.rs
Normal file
|
|
@ -0,0 +1,239 @@
|
|||
use bumpalo::Bump;
|
||||
use roc_fmt::{annotation::Formattable, module::fmt_module};
|
||||
use roc_parse::{
|
||||
ast::{Defs, Expr, Module},
|
||||
module::module_defs,
|
||||
parser::{Parser, SyntaxError},
|
||||
state::State,
|
||||
test_helpers::{parse_defs_with, parse_expr_with, parse_header_with},
|
||||
};
|
||||
use roc_test_utils::assert_multiline_str_eq;
|
||||
|
||||
use roc_fmt::spaces::RemoveSpaces;
|
||||
use roc_fmt::Buf;
|
||||
|
||||
/// Source code to parse. Usually in the form of a test case.
|
||||
#[derive(Debug, Copy, Clone, PartialEq, Eq)]
|
||||
pub enum Input<'a> {
|
||||
/// A header (e.g. `interface "foo" ...`)
|
||||
Header(&'a str),
|
||||
|
||||
/// A sequence of module definitions (e.g. `f = \x -> x + 1`)
|
||||
ModuleDefs(&'a str),
|
||||
|
||||
/// A single expression
|
||||
Expr(&'a str),
|
||||
|
||||
/// Both the header and the module defs
|
||||
Full(&'a str),
|
||||
}
|
||||
|
||||
// Owned version of `Input`
|
||||
#[derive(Debug, Clone, PartialEq, Eq)]
|
||||
pub enum InputOwned {
|
||||
Header(String),
|
||||
ModuleDefs(String),
|
||||
Expr(String),
|
||||
Full(String),
|
||||
}
|
||||
|
||||
impl InputOwned {
|
||||
fn as_ref(&self) -> Input {
|
||||
match self {
|
||||
InputOwned::Header(s) => Input::Header(s),
|
||||
InputOwned::ModuleDefs(s) => Input::ModuleDefs(s),
|
||||
InputOwned::Expr(s) => Input::Expr(s),
|
||||
InputOwned::Full(s) => Input::Full(s),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Output AST of a successful parse
|
||||
#[derive(Debug, Clone)]
|
||||
pub enum Output<'a> {
|
||||
Header(Module<'a>),
|
||||
|
||||
ModuleDefs(Defs<'a>),
|
||||
|
||||
Expr(Expr<'a>),
|
||||
|
||||
Full {
|
||||
header: Module<'a>,
|
||||
module_defs: Defs<'a>,
|
||||
},
|
||||
}
|
||||
|
||||
impl<'a> Output<'a> {
|
||||
fn format(&self) -> InputOwned {
|
||||
let arena = Bump::new();
|
||||
let mut buf = Buf::new_in(&arena);
|
||||
match self {
|
||||
Output::Header(header) => {
|
||||
fmt_module(&mut buf, header);
|
||||
buf.fmt_end_of_file();
|
||||
InputOwned::Header(buf.as_str().to_string())
|
||||
}
|
||||
Output::ModuleDefs(defs) => {
|
||||
defs.format(&mut buf, 0);
|
||||
buf.fmt_end_of_file();
|
||||
InputOwned::ModuleDefs(buf.as_str().to_string())
|
||||
}
|
||||
Output::Expr(expr) => {
|
||||
expr.format(&mut buf, 0);
|
||||
InputOwned::Expr(buf.as_str().to_string())
|
||||
}
|
||||
Output::Full {
|
||||
header,
|
||||
module_defs,
|
||||
} => {
|
||||
fmt_module(&mut buf, header);
|
||||
module_defs.format(&mut buf, 0);
|
||||
buf.fmt_end_of_file();
|
||||
InputOwned::Full(buf.as_str().to_string())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn debug_format_inner(&self) -> String {
|
||||
match self {
|
||||
Output::Header(header) => format!("{:#?}\n", header),
|
||||
Output::ModuleDefs(defs) => format!("{:#?}\n", defs),
|
||||
Output::Expr(expr) => format!("{:#?}\n", expr),
|
||||
Output::Full { .. } => format!("{:#?}\n", self),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a> RemoveSpaces<'a> for Output<'a> {
|
||||
fn remove_spaces(&self, arena: &'a Bump) -> Self {
|
||||
match self {
|
||||
Output::Header(header) => Output::Header(header.remove_spaces(arena)),
|
||||
Output::ModuleDefs(defs) => Output::ModuleDefs(defs.remove_spaces(arena)),
|
||||
Output::Expr(expr) => Output::Expr(expr.remove_spaces(arena)),
|
||||
Output::Full {
|
||||
header,
|
||||
module_defs,
|
||||
} => Output::Full {
|
||||
header: header.remove_spaces(arena),
|
||||
module_defs: module_defs.remove_spaces(arena),
|
||||
},
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a> Input<'a> {
|
||||
pub fn as_str(&self) -> &'a str {
|
||||
match self {
|
||||
Input::Header(s) => s,
|
||||
Input::ModuleDefs(s) => s,
|
||||
Input::Expr(s) => s,
|
||||
Input::Full(s) => s,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn parse_in(&self, arena: &'a Bump) -> Result<Output<'a>, SyntaxError<'a>> {
|
||||
match self {
|
||||
Input::Header(input) => {
|
||||
let header = parse_header_with(arena, input)?;
|
||||
Ok(Output::Header(header))
|
||||
}
|
||||
|
||||
Input::ModuleDefs(input) => {
|
||||
let module_defs = parse_defs_with(arena, input)?;
|
||||
Ok(Output::ModuleDefs(module_defs))
|
||||
}
|
||||
|
||||
Input::Expr(input) => {
|
||||
let expr = parse_expr_with(arena, input)?;
|
||||
Ok(Output::Expr(expr))
|
||||
}
|
||||
|
||||
Input::Full(input) => {
|
||||
let state = State::new(input.as_bytes());
|
||||
|
||||
let min_indent = 0;
|
||||
let (_, header, state) = roc_parse::module::header()
|
||||
.parse(arena, state.clone(), min_indent)
|
||||
.map_err(|(_, fail)| SyntaxError::Header(fail))?;
|
||||
|
||||
let (_, module_defs, _state) = module_defs()
|
||||
.parse(arena, state, min_indent)
|
||||
.map_err(|(_, fail)| fail)?;
|
||||
|
||||
Ok(Output::Full {
|
||||
header,
|
||||
module_defs,
|
||||
})
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Parse and re-format the given input, and pass the output to `check_formatting`
|
||||
/// for verification. The expectation is that `check_formatting` assert the result matches
|
||||
/// expectations (or, overwrite the expectation based on a command-line flag)
|
||||
/// Optionally, based on the value of `check_idempotency`, also verify that the formatting
|
||||
/// is idempotent - that if we reformat the output, we get the same result.
|
||||
pub fn check_invariants(
|
||||
&self,
|
||||
handle_formatted_output: impl Fn(Input),
|
||||
check_idempotency: bool,
|
||||
) {
|
||||
let arena = Bump::new();
|
||||
|
||||
let actual = self.parse_in(&arena).unwrap_or_else(|err| {
|
||||
panic!("Unexpected parse failure when parsing this for formatting:\n\n{}\n\nParse error was:\n\n{:?}\n\n", self.as_str(), err);
|
||||
});
|
||||
|
||||
let output = actual.format();
|
||||
|
||||
handle_formatted_output(output.as_ref());
|
||||
|
||||
let reparsed_ast = output.as_ref().parse_in(&arena).unwrap_or_else(|err| {
|
||||
panic!(
|
||||
"After formatting, the source code no longer parsed!\n\n\
|
||||
Parse error was: {:?}\n\n\
|
||||
The original code was:\n\n{}\n\n\
|
||||
The code that failed to parse:\n\n{}\n\n\
|
||||
The original ast was:\n\n{:#?}\n\n",
|
||||
err,
|
||||
self.as_str(),
|
||||
output.as_ref().as_str(),
|
||||
actual
|
||||
);
|
||||
});
|
||||
|
||||
let ast_normalized = actual.remove_spaces(&arena);
|
||||
let reparsed_ast_normalized = reparsed_ast.remove_spaces(&arena);
|
||||
|
||||
// HACK!
|
||||
// We compare the debug format strings of the ASTs, because I'm finding in practice that _somewhere_ deep inside the ast,
|
||||
// the PartialEq implementation is returning `false` even when the Debug-formatted impl is exactly the same.
|
||||
// I don't have the patience to debug this right now, so let's leave it for another day...
|
||||
// TODO: fix PartialEq impl on ast types
|
||||
if format!("{:?}", ast_normalized) != format!("{:?}", reparsed_ast_normalized) {
|
||||
panic!(
|
||||
"Formatting bug; formatting didn't reparse to the same AST (after removing spaces)\n\n\
|
||||
* * * Source code before formatting:\n{}\n\n\
|
||||
* * * Source code after formatting:\n{}\n\n\
|
||||
* * * AST before formatting:\n{:#?}\n\n\
|
||||
* * * AST after formatting:\n{:#?}\n\n",
|
||||
self.as_str(),
|
||||
output.as_ref().as_str(),
|
||||
ast_normalized,
|
||||
reparsed_ast_normalized
|
||||
);
|
||||
}
|
||||
|
||||
// Now verify that the resultant formatting is _idempotent_ - i.e. that it doesn't change again if re-formatted
|
||||
if check_idempotency {
|
||||
let reformatted = reparsed_ast.format();
|
||||
|
||||
if output != reformatted {
|
||||
eprintln!("Formatting bug; formatting is not stable.\nOriginal code:\n{}\n\nFormatted code:\n{}\n\n", self.as_str(), output.as_ref().as_str());
|
||||
eprintln!("Reformatting the formatted code changed it again, as follows:\n\n");
|
||||
|
||||
assert_multiline_str_eq!(output.as_ref().as_str(), reformatted.as_ref().as_str());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Ability(DemandColon(@15), @7), @0)
|
||||
|
|
@ -0,0 +1,4 @@
|
|||
MEq has
|
||||
eq b c : a, a -> U64 | a has MEq
|
||||
|
||||
1
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Ability(DemandAlignment(4, @49), @40), @0)
|
||||
|
|
@ -0,0 +1,5 @@
|
|||
MEq has
|
||||
eq : a, a -> U64 | a has MEq
|
||||
neq : a, a -> U64 | a has MEq
|
||||
|
||||
1
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Ability(DemandAlignment(-1, @8), @7), @0)
|
||||
|
|
@ -0,0 +1,4 @@
|
|||
MEq has
|
||||
eq : a, a -> U64 | a has MEq
|
||||
|
||||
1
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Ability(DemandName(@12), @7), @0)
|
||||
|
|
@ -0,0 +1,4 @@
|
|||
MEq has
|
||||
123
|
||||
|
||||
1
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(InParens(End(@3), @0), @0)
|
||||
|
|
@ -0,0 +1,2 @@
|
|||
(@,B
|
||||
.e:
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Space(HasTab, @17), @0)
|
||||
|
|
@ -0,0 +1,2 @@
|
|||
# comment with a
|
||||
4
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(DefMissingFinalExpr2(Start(@11), @11), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
f : Foo.foo
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(BadOperator("++", @14), @0)
|
||||
|
|
@ -0,0 +1,2 @@
|
|||
main =
|
||||
[] ++ []
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(ElmStyleFunction(@2-5, @6), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
f x y = x
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(When(Pattern(Start(@28), @28), @0), @0)
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
when Just 4 is
|
||||
Just 4 | ->
|
||||
4
|
||||
|
||||
_ ->
|
||||
2
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Type(TInlineAlias(ArgumentNotLowercase(@50), @51), @4), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
f : List elem -> [Nil, Cons elem a] as LinkedList U
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Type(TInlineAlias(NotAnAlias(@39), @40), @4), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
f : List elem -> [Nil, Cons elem a] as a
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Type(TInlineAlias(Qualified(@39), @58), @4), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
f : List elem -> [Nil, Cons elem a] as Module.LinkedList a
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Pattern(NotAPattern(@3), @3), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
.e,
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Start(@0), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
f <- Foo.foo
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(When(IfGuard(Start(@28), @27), @0), @0)
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
when Just 4 is
|
||||
Just if ->
|
||||
4
|
||||
|
||||
_ ->
|
||||
2
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(If(Else(@16), @0), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
if 5 == 5 then 2
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(If(IndentThenToken(@17), @8), @0)
|
||||
|
|
@ -0,0 +1,5 @@
|
|||
x =
|
||||
if 5 == 5
|
||||
then 2 else 3
|
||||
|
||||
x
|
||||
|
|
@ -0,0 +1 @@
|
|||
Header(Imports(ListEnd(@87), @65))
|
||||
|
|
@ -0,0 +1,4 @@
|
|||
app "test-missing-comma"
|
||||
packages { pf: "platform/main.roc" }
|
||||
imports [pf.Task Base64]
|
||||
provides [main, @Foo] to pf
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(BadOperator(":", @21), @0)
|
||||
|
|
@ -0,0 +1,4 @@
|
|||
main =
|
||||
(\x -> x) : I64
|
||||
|
||||
3
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(BadOperator("**", @13), @0)
|
||||
|
|
@ -0,0 +1,2 @@
|
|||
main =
|
||||
5 ** 3
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Closure(Arg(@3), @0), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
\a,,b -> 1
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Closure(Arg(@1), @0), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
\,x -> 1
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Closure(Arg(@1), @0), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
\,b -> 1
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Closure(IndentBody(@5), @0), @0)
|
||||
|
|
@ -0,0 +1,2 @@
|
|||
\x ->
|
||||
1
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(List(End(@7), @0), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
[1, 2, , 3]
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(When(Pattern(List(End(@22), @15), @15), @0), @0)
|
||||
|
|
@ -0,0 +1,2 @@
|
|||
when [] is
|
||||
[1, 2, -> ""
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(When(Pattern(List(End(@22), @15), @15), @0), @0)
|
||||
|
|
@ -0,0 +1,3 @@
|
|||
when [] is
|
||||
[1, 2,
|
||||
3] -> ""
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(When(Pattern(List(Rest(@16), @15), @15), @0), @0)
|
||||
|
|
@ -0,0 +1,2 @@
|
|||
when [] is
|
||||
[...] -> ""
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(List(End(@6), @0), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
[1, 2,
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Str(EndlessMulti(@3), @0), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
"""there is no end
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(When(Arrow(@24), @0), @0)
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
when Just 4 is
|
||||
Just when ->
|
||||
4
|
||||
|
||||
_ ->
|
||||
2
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Closure(Pattern(PInParens(End(@4), @1), @1), @0), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
\( a
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Closure(Pattern(PInParens(End(@5), @1), @1), @0), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
\( a,
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Closure(Pattern(PInParens(End(@2), @1), @1), @0), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
\(
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Closure(Pattern(PInParens(End(@4), @1), @1), @0), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
\( a
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Type(TRecord(End(@13), @4), @4), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
f : { a: Int,
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Type(TRecord(Field(@6), @4), @4), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
f : { if : I64 }
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Type(TRecord(End(@11), @4), @4), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
f : { foo bar }
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Type(TRecord(End(@5), @4), @4), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
f : {
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Type(TRecord(IndentEnd(@5), @4), @4), @0)
|
||||
|
|
@ -0,0 +1,2 @@
|
|||
f : {
|
||||
foo : I64,
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Type(TRecord(Space(HasTab, @10), @4), @4), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
f : { foo }
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Str(EndlessSingle(@1), @0), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
"there is no end
|
||||
|
|
@ -0,0 +1 @@
|
|||
Header(Space(HasMisplacedCarriageReturn, @1))
|
||||
|
|
@ -0,0 +1 @@
|
|||
#
A
|
||||
|
|
@ -0,0 +1 @@
|
|||
Expr(Type(TTagUnion(End(@9), @4), @4), @0)
|
||||
|
|
@ -0,0 +1 @@
|
|||
f : [Yes,
|
||||
Some files were not shown because too many files have changed in this diff Show more
Loading…
Add table
Add a link
Reference in a new issue