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|
use std::env;
use std::ffi::OsString;
use std::fs::File;
use std::io::Write;
use std::path::Path;
use walkdir::WalkDir;
fn dhall_files_in_dir<'a>(
dir: &'a Path,
take_a_suffix: bool,
) -> impl Iterator<Item = (String, String)> + 'a {
WalkDir::new(dir)
.into_iter()
.filter_map(|e| e.ok())
.filter_map(move |path| {
let path = path.path();
let path = path.strip_prefix(dir).unwrap();
let ext = path.extension();
if ext != Some(&OsString::from("dhall"))
&& ext != Some(&OsString::from("dhallb"))
{
return None;
}
let ext = ext.unwrap();
let path = path.to_string_lossy();
let path = &path[..path.len() - 1 - ext.len()];
let path = if take_a_suffix {
if &path[path.len() - 1..] != "A" {
return None;
} else {
path[..path.len() - 1].to_owned()
}
} else {
path.to_owned()
};
let name = path.replace("/", "_").replace("-", "_");
Some((name, path))
})
}
fn make_test_module(
w: &mut impl Write, // Where to output the generated code
mod_name: &str, // Name of the module, used in the output of `cargo test`
subdir: &str, // Directory containing the tests files
feature: &str, // Relevant variant of `dhall::tests::Feature`
mut exclude: impl FnMut(&str) -> bool, // Given a file name, whether to exclude it
) -> std::io::Result<()> {
let all_tests_dir = Path::new("../dhall-lang/tests/");
let tests_dir = all_tests_dir.join(subdir);
writeln!(w, "mod {} {{", mod_name)?;
for (name, path) in dhall_files_in_dir(&tests_dir.join("success/"), true) {
if exclude(&("success/".to_owned() + &path)) {
continue;
}
writeln!(
w,
r#"make_spec_test!({}, Success, success_{}, "{}/success/{}");"#,
feature,
name,
tests_dir.to_string_lossy(),
path
)?;
}
for (name, path) in dhall_files_in_dir(&tests_dir.join("failure/"), false) {
if exclude(&("failure/".to_owned() + &path)) {
continue;
}
writeln!(
w,
r#"make_spec_test!({}, Failure, failure_{}, "{}/failure/{}");"#,
feature,
name,
tests_dir.to_string_lossy(),
path
)?;
}
writeln!(w, "}}")?;
Ok(())
}
fn main() -> std::io::Result<()> {
// Tries to detect when the submodule gets updated.
// To force regeneration of the test list, just `touch dhall-lang/.git`
println!("cargo:rerun-if-changed=../dhall-lang/.git");
println!(
"cargo:rerun-if-changed=../.git/modules/dhall-lang/refs/heads/master"
);
let out_dir = env::var("OUT_DIR").unwrap();
let parser_tests_path = Path::new(&out_dir).join("spec_tests.rs");
let mut file = File::create(parser_tests_path)?;
make_test_module(&mut file, "parse", "parser/", "Parser", |path| {
// Too slow in debug mode
path == "success/largeExpression"
// TODO: Inline headers
|| path == "success/unit/import/inlineUsing"
|| path == "success/unit/import/Headers"
|| path == "success/unit/import/HeadersDoubleHash"
|| path == "success/unit/import/HeadersDoubleHashPrecedence"
|| path == "success/unit/import/HeadersHashPrecedence"
|| path == "success/unit/import/HeadersInteriorHash"
// TODO: projection by expression
|| path == "success/recordProjectionByExpression"
|| path == "success/RecordProjectionByType"
|| path == "success/unit/RecordProjectionByType"
|| path == "success/unit/RecordProjectionByTypeEmpty"
|| path == "success/unit/RecordProjectFields"
// TODO: RFC3986 URLs
|| path == "success/unit/import/urls/emptyPath0"
|| path == "success/unit/import/urls/emptyPath1"
|| path == "success/unit/import/urls/emptyPathSegment"
// TODO: toMap
|| path == "success/toMap"
})?;
make_test_module(&mut file, "printer", "parser/", "Printer", |path| {
// Failure tests are only for the parser
path.starts_with("failure/")
// Too slow in debug mode
|| path == "success/largeExpression"
// TODO: Inline headers
|| path == "success/unit/import/inlineUsing"
|| path == "success/unit/import/Headers"
// TODO: projection by expression
|| path == "success/recordProjectionByExpression"
|| path == "success/RecordProjectionByType"
|| path == "success/unit/RecordProjectionByType"
|| path == "success/unit/RecordProjectionByTypeEmpty"
// TODO: RFC3986 URLs
|| path == "success/unit/import/urls/emptyPath0"
|| path == "success/unit/import/urls/emptyPath1"
|| path == "success/unit/import/urls/emptyPathSegment"
// TODO: toMap
|| path == "success/toMap"
})?;
make_test_module(
&mut file,
"binary_encoding",
"parser/",
"BinaryEncoding",
|path| {
// Failure tests are only for the parser
path.starts_with("failure/")
// Too slow in debug mode
|| path == "success/largeExpression"
// See https://github.com/pyfisch/cbor/issues/109
|| path == "success/double"
|| path == "success/unit/DoubleLitExponentNoDot"
|| path == "success/unit/DoubleLitSecretelyInt"
// TODO: Inline headers
|| path == "success/unit/import/inlineUsing"
|| path == "success/unit/import/Headers"
// TODO: projection by expression
|| path == "success/recordProjectionByExpression"
|| path == "success/RecordProjectionByType"
|| path == "success/unit/RecordProjectionByType"
|| path == "success/unit/RecordProjectionByTypeEmpty"
// TODO: RFC3986 URLs
|| path == "success/unit/import/urls/emptyPath0"
|| path == "success/unit/import/urls/emptyPath1"
|| path == "success/unit/import/urls/emptyPathSegment"
// TODO: toMap
|| path == "success/toMap"
},
)?;
make_test_module(
&mut file,
"binary_decoding",
"binary-decode/",
"BinaryDecoding",
|path| {
false
// TODO: projection by expression
|| path == "success/unit/RecordProjectFields"
|| path == "success/unit/recordProjectionByExpression"
// TODO: toMap
|| path == "success/unit/ToMap"
|| path == "success/unit/ToMapAnnotated"
},
)?;
make_test_module(
&mut file,
"beta_normalize",
"normalization/",
"Normalization",
|path| {
// We don't support bignums
path == "success/simple/integerToDouble"
// Too slow
|| path == "success/remoteSystems"
// TODO: projection by expression
|| path == "success/unit/RecordProjectionByTypeEmpty"
|| path == "success/unit/RecordProjectionByTypeNonEmpty"
|| path == "success/unit/RecordProjectionByTypeNormalizeProjection"
// TODO: fix Double/show
|| path == "success/prelude/JSON/number/1"
// TODO: toMap
|| path == "success/unit/EmptyToMap"
|| path == "success/unit/ToMap"
|| path == "success/unit/ToMapWithType"
// TODO: Normalize field selection further by inspecting the argument
|| path == "success/simplifications/rightBiasedMergeWithinRecordProjectionWithinFieldSelection0"
|| path == "success/simplifications/rightBiasedMergeWithinRecordProjectionWithinFieldSelection1"
|| path == "success/simplifications/rightBiasedMergeWithinRecursiveRecordMergeWithinFieldselection"
|| path == "success/unit/RecordProjectionByTypeWithinFieldSelection"
|| path == "success/unit/RecordProjectionWithinFieldSelection"
|| path == "success/unit/RecursiveRecordMergeWithinFieldSelection0"
|| path == "success/unit/RecursiveRecordMergeWithinFieldSelection1"
|| path == "success/unit/RecursiveRecordMergeWithinFieldSelection2"
|| path == "success/unit/RecursiveRecordMergeWithinFieldSelection3"
|| path == "success/unit/RightBiasedMergeWithinFieldSelection0"
|| path == "success/unit/RightBiasedMergeWithinFieldSelection1"
|| path == "success/unit/RightBiasedMergeWithinFieldSelection2"
|| path == "success/unit/RightBiasedMergeWithinFieldSelection3"
|| path == "success/unit/RightBiasedMergeEquivalentArguments"
},
)?;
make_test_module(
&mut file,
"alpha_normalize",
"alpha-normalization/",
"AlphaNormalization",
|_| false,
)?;
make_test_module(
&mut file,
"typecheck",
"typecheck/",
"Typecheck",
|path| {
false
// TODO: Enable imports in typecheck tests
|| path == "failure/importBoundary"
// Too slow
|| path == "success/prelude"
// TODO: Inline headers
|| path == "failure/customHeadersUsingBoundVariable"
// TODO: projection by expression
|| path == "failure/unit/RecordProjectionByTypeFieldTypeMismatch"
|| path == "failure/unit/RecordProjectionByTypeNotPresent"
// TODO: toMap
|| path == "failure/unit/EmptyToMap"
|| path == "failure/unit/HeterogenousToMap"
|| path == "failure/unit/MistypedToMap1"
|| path == "failure/unit/MistypedToMap2"
|| path == "failure/unit/MistypedToMap3"
|| path == "failure/unit/MistypedToMap4"
|| path == "failure/unit/NonRecordToMap"
},
)?;
make_test_module(
&mut file,
"type_inference",
"type-inference/",
"TypeInference",
|path| {
false
// TODO: projection by expression
|| path == "success/unit/RecordProjectionByType"
|| path == "success/unit/RecordProjectionByTypeEmpty"
|| path == "success/unit/RecordProjectionByTypeJudgmentalEquality"
// TODO: toMap
|| path == "success/unit/ToMap"
|| path == "success/unit/ToMapAnnotated"
},
)?;
Ok(())
}
|
