From c8b9d7e9dbbc8c110d5cf519513294582758ccad Mon Sep 17 00:00:00 2001 From: Nadrieril Date: Sun, 12 Apr 2020 20:19:57 +0100 Subject: test: write custom test harness for tests --- dhall/tests/spec.rs | 686 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 686 insertions(+) create mode 100644 dhall/tests/spec.rs (limited to 'dhall/tests') diff --git a/dhall/tests/spec.rs b/dhall/tests/spec.rs new file mode 100644 index 0000000..3521f6a --- /dev/null +++ b/dhall/tests/spec.rs @@ -0,0 +1,686 @@ +use std::env; +use std::ffi::OsString; +use std::fs::{create_dir_all, read_to_string, File}; +use std::io::{Read, BufRead, BufReader, Write}; +use std::path::{Path, PathBuf}; +use std::rc::Rc; +use std::fmt::Display; + +use walkdir::WalkDir; +use libtest_mimic::{Arguments, Outcome, Test, run_tests}; +#[cfg(not(test))] +use assert_eq as assert_eq_pretty; +#[cfg(test)] +use pretty_assertions::assert_eq as assert_eq_pretty; + +use dhall::error::{ErrorKind, Result}; +use dhall::syntax::{binary, Expr}; +use dhall::{Normalized, Parsed, Resolved, Typed}; + +macro_rules! assert_eq_display { + ($left:expr, $right:expr) => {{ + match (&$left, &$right) { + (left_val, right_val) => { + if !(*left_val == *right_val) { + panic!( + r#"assertion failed: `(left == right)` + left: `{}`, +right: `{}`"#, + left_val, right_val + ) + } + } + } + }}; +} + +/// Wrapper around string slice that makes debug output `{:?}` to print string same way as `{}`. +/// Used in different `assert*!` macros in combination with `pretty_assertions` crate to make +/// test failures to show nice diffs. +#[derive(PartialEq, Eq)] +#[doc(hidden)] +pub struct PrettyString(String); + +/// Make diff to display string as multi-line string +impl std::fmt::Debug for PrettyString { + fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { + f.write_str(&self.0) + } +} + +macro_rules! assert_eq_pretty_str { + ($left:expr, $right:expr) => { + assert_eq_pretty!( + PrettyString($left.to_string()), + PrettyString($right.to_string()) + ); + }; +} + +#[derive(Debug, Clone, Copy, PartialEq, Eq)] +enum FileType { + /// Dhall source file + Text, + /// Dhall binary file + Binary, + /// Text file with hash + Hash, + /// Text file with expected text output + UI, +} + +#[derive(Clone)] +enum TestFile { + Source(String), + Binary(String), + UI(String), +} + +impl FileType { + fn to_ext(self) -> &'static str { + match self { + FileType::Text => "dhall", + FileType::Binary => "dhallb", + FileType::Hash => "hash", + FileType::UI => "txt", + } + } + fn constructor(self) -> &'static str { + match self { + FileType::Text => "TestFile::Source", + FileType::Binary => "TestFile::Binary", + FileType::Hash => "TestFile::Binary", + FileType::UI => "TestFile::UI", + } + } + fn construct(self, path: &str) -> TestFile { + match self { + FileType::Text => TestFile::Source(format!("{}.{}", path, self.to_ext())), + FileType::Binary => TestFile::Binary(format!("{}.{}", path, self.to_ext())), + FileType::Hash => TestFile::Binary(format!("{}.{}", path, self.to_ext())), + FileType::UI => TestFile::UI(format!("{}.{}", path, self.to_ext())), + } + } +} + +impl TestFile { + pub fn path(&self) -> PathBuf { + match self { + TestFile::Source(path) + | TestFile::Binary(path) + | TestFile::UI(path) => PathBuf::from("dhall").join(path), + } + } + + /// Parse the target file + pub fn parse(&self) -> Result { + match self { + TestFile::Source(_) => Parsed::parse_file(&self.path()), + TestFile::Binary(_) => Parsed::parse_binary_file(&self.path()), + TestFile::UI(_) => panic!("Can't parse a UI test file"), + } + } + /// Parse and resolve the target file + pub fn resolve(&self) -> Result { + Ok(self.parse()?.resolve()?) + } + /// Parse, resolve and tck the target file + pub fn typecheck(&self) -> Result { + Ok(self.resolve()?.typecheck()?) + } + /// Parse, resolve, tck and normalize the target file + pub fn normalize(&self) -> Result { + Ok(self.typecheck()?.normalize()) + } + + /// If UPDATE_TEST_FILES=1, we overwrite the output files with our own output. + fn force_update() -> bool { + env::var("UPDATE_TEST_FILES") == Ok("1".to_string()) + } + /// Write the provided expression to the pointed file. + fn write_expr(&self, expr: impl Into) -> Result<()> { + let expr = expr.into(); + let path = self.path(); + create_dir_all(path.parent().unwrap())?; + let mut file = File::create(path)?; + match self { + TestFile::Source(_) => { + writeln!(file, "{}", expr)?; + } + TestFile::Binary(_) => { + let expr_data = binary::encode(&expr)?; + file.write_all(&expr_data)?; + } + TestFile::UI(_) => panic!("Can't write an expression to a UI file"), + } + Ok(()) + } + /// Write the provided string to the pointed file. + fn write_ui(&self, x: impl Display) -> Result<()> { + match self { + TestFile::UI(_) => {} + _ => panic!("Can't write a ui string to a dhall file"), + } + let path = self.path(); + create_dir_all(path.parent().unwrap())?; + let mut file = File::create(path)?; + writeln!(file, "{}", x)?; + Ok(()) + } + + /// Check that the provided expression matches the file contents. + pub fn compare(&self, expr: impl Into) -> Result<()> { + let expr = expr.into(); + if !self.path().is_file() { + return self.write_expr(expr); + } + + let expected = self.parse()?.to_expr(); + if expr != expected { + if Self::force_update() { + self.write_expr(expr)?; + } else { + assert_eq_display!(expr, expected); + } + } + Ok(()) + } + /// Check that the provided expression matches the file contents. + pub fn compare_debug(&self, expr: impl Into) -> Result<()> { + let expr = expr.into(); + if !self.path().is_file() { + return self.write_expr(expr); + } + + let expected = self.parse()?.to_expr(); + if expr != expected { + if Self::force_update() { + self.write_expr(expr)?; + } else { + assert_eq_pretty!(expr, expected); + } + } + Ok(()) + } + /// Check that the provided expression matches the file contents. + pub fn compare_binary(&self, expr: impl Into) -> Result<()> { + let expr = expr.into(); + match self { + TestFile::Binary(_) => {} + _ => panic!("This is not a binary file"), + } + if !self.path().is_file() { + return self.write_expr(expr); + } + + let expr_data = binary::encode(&expr)?; + let expected_data = { + let mut data = Vec::new(); + File::open(&self.path())?.read_to_end(&mut data)?; + data + }; + + // Compare bit-by-bit + if expr_data != expected_data { + if Self::force_update() { + self.write_expr(expr)?; + } else { + use serde_cbor::de::from_slice; + use serde_cbor::value::Value; + // Pretty-print difference + assert_eq_pretty!( + from_slice::(&expr_data).unwrap(), + from_slice::(&expected_data).unwrap() + ); + // If difference was not visible in the cbor::Nir, compare normally. + assert_eq!(expr_data, expected_data); + } + } + Ok(()) + } + /// Check that the provided string matches the file contents. Writes to the corresponding file + /// if it is missing. + pub fn compare_ui(&self, x: impl Display) -> Result<()> { + if !self.path().is_file() { + return self.write_ui(x); + } + + let expected = read_to_string(self.path())?; + let msg = format!("{}\n", x); + if msg != expected { + if Self::force_update() { + self.write_ui(x)?; + } else { + assert_eq_pretty_str!(expected, msg); + } + } + Ok(()) + } +} + +#[derive(Clone)] +struct TestFeature { + /// Name of the module, used in the output of `cargo test` + module_name: &'static str, + /// Directory containing the tests files, relative to the base tests directory + directory: &'static str, + /// Relevant variant of `dhall::tests::Test` + variant: Rc SpecTest>, + /// Given a file name, whether to only include it in release tests + too_slow_path: Rc bool>, + /// Given a file name, whether to exclude it + exclude_path: Rc bool>, + /// Type of the input file + input_type: FileType, + /// Type of the output file, if any + output_type: Option, +} + +#[derive(Clone)] +enum SpecTest { + ParserSuccess(TestFile, TestFile), + ParserFailure(TestFile, TestFile), + Printer(TestFile, TestFile), + BinaryEncoding(TestFile, TestFile), + BinaryDecodingSuccess(TestFile, TestFile), + BinaryDecodingFailure(TestFile, TestFile), + ImportSuccess(TestFile, TestFile), + ImportFailure(TestFile, TestFile), + SemanticHash(TestFile, TestFile), + TypeInferenceSuccess(TestFile, TestFile), + TypeInferenceFailure(TestFile, TestFile), + Normalization(TestFile, TestFile), + AlphaNormalization(TestFile, TestFile), +} + +fn define_features() -> Vec { + let default_feature = TestFeature { + module_name: "", + directory: "", + variant: Rc::new(|_, _| panic!()), + too_slow_path: Rc::new(|_path: &str| false), + exclude_path: Rc::new(|_path: &str| false), + input_type: FileType::Text, + output_type: None, + }; + + #[allow(clippy::nonminimal_bool)] + vec![ + TestFeature { + module_name: "parser_success", + directory: "parser/success/", + variant: Rc::new(SpecTest::ParserSuccess), + too_slow_path: Rc::new(|path: &str| path == "largeExpression"), + exclude_path: Rc::new(|path: &str| { + false + // Pretty sure the test is incorrect + || path == "unit/import/urls/quotedPathFakeUrlEncode" + }), + output_type: Some(FileType::Binary), + ..default_feature.clone() + }, + TestFeature { + module_name: "parser_failure", + directory: "parser/failure/", + variant: Rc::new(SpecTest::ParserFailure), + output_type: Some(FileType::UI), + ..default_feature.clone() + }, + TestFeature { + module_name: "printer", + directory: "parser/success/", + variant: Rc::new(SpecTest::Printer), + too_slow_path: Rc::new(|path: &str| path == "largeExpression"), + output_type: Some(FileType::UI), + ..default_feature.clone() + }, + TestFeature { + module_name: "binary_encoding", + directory: "parser/success/", + variant: Rc::new(SpecTest::BinaryEncoding), + too_slow_path: Rc::new(|path: &str| path == "largeExpression"), + exclude_path: Rc::new(|path: &str| { + false + // Pretty sure the test is incorrect + || path == "unit/import/urls/quotedPathFakeUrlEncode" + // See https://github.com/pyfisch/cbor/issues/109 + || path == "double" + || path == "unit/DoubleLitExponentNoDot" + || path == "unit/DoubleLitSecretelyInt" + }), + output_type: Some(FileType::Binary), + ..default_feature.clone() + }, + TestFeature { + module_name: "binary_decoding_success", + directory: "binary-decode/success/", + variant: Rc::new(SpecTest::BinaryDecodingSuccess), + exclude_path: Rc::new(|path: &str| { + false + // We don't support bignums + || path == "unit/IntegerBigNegative" + || path == "unit/IntegerBigPositive" + || path == "unit/NaturalBig" + }), + input_type: FileType::Binary, + output_type: Some(FileType::Text), + ..default_feature.clone() + }, + TestFeature { + module_name: "binary_decoding_failure", + directory: "binary-decode/failure/", + variant: Rc::new(SpecTest::BinaryDecodingFailure), + input_type: FileType::Binary, + output_type: Some(FileType::UI), + ..default_feature.clone() + }, + TestFeature { + module_name: "import_success", + directory: "import/success/", + variant: Rc::new(SpecTest::ImportSuccess), + exclude_path: Rc::new(|path: &str| { + false + // TODO: import hash + || path == "hashFromCache" + // TODO: the standard does not respect https://tools.ietf.org/html/rfc3986#section-5.2 + || path == "unit/asLocation/RemoteCanonicalize4" + // TODO: import headers + || path == "customHeaders" + || path == "headerForwarding" + || path == "noHeaderForwarding" + }), + output_type: Some(FileType::Text), + ..default_feature.clone() + }, + TestFeature { + module_name: "import_failure", + directory: "import/failure/", + variant: Rc::new(SpecTest::ImportFailure), + exclude_path: Rc::new(|path: &str| { + false + // TODO: import headers + || path == "customHeadersUsingBoundVariable" + }), + output_type: Some(FileType::UI), + ..default_feature.clone() + }, + TestFeature { + module_name: "semantic_hash", + directory: "semantic-hash/success/", + variant: Rc::new(SpecTest::SemanticHash), + exclude_path: Rc::new(|path: &str| { + false + // We don't support bignums + || path == "simple/integerToDouble" + // See https://github.com/pyfisch/cbor/issues/109 + || path == "prelude/Integer/toDouble/0" + || path == "prelude/Integer/toDouble/1" + || path == "prelude/Natural/toDouble/0" + }), + output_type: Some(FileType::Hash), + ..default_feature.clone() + }, + TestFeature { + module_name: "beta_normalize", + directory: "normalization/success/", + variant: Rc::new(SpecTest::Normalization), + too_slow_path: Rc::new(|path: &str| path == "remoteSystems"), + exclude_path: Rc::new(|path: &str| { + false + // Cannot typecheck + || path == "unit/Sort" + // We don't support bignums + || path == "simple/integerToDouble" + // TODO: fix Double/show + || path == "prelude/JSON/number/1" + }), + output_type: Some(FileType::Text), + ..default_feature.clone() + }, + TestFeature { + module_name: "alpha_normalize", + directory: "alpha-normalization/success/", + variant: Rc::new(SpecTest::AlphaNormalization), + exclude_path: Rc::new(|path: &str| { + // This test is designed to not typecheck + path == "unit/FunctionNestedBindingXXFree" + }), + output_type: Some(FileType::Text), + ..default_feature.clone() + }, + TestFeature { + module_name: "type_inference_success", + directory: "type-inference/success/", + variant: Rc::new(SpecTest::TypeInferenceSuccess), + too_slow_path: Rc::new(|path: &str| path == "prelude"), + output_type: Some(FileType::Text), + ..default_feature.clone() + }, + TestFeature { + module_name: "type_inference_failure", + directory: "type-inference/failure/", + variant: Rc::new(SpecTest::TypeInferenceFailure), + exclude_path: Rc::new(|path: &str| { + false + // TODO: enable free variable checking + || path == "unit/MergeHandlerFreeVar" + }), + output_type: Some(FileType::UI), + ..default_feature + }, + ] +} + +fn run_test_or_panic(test: &SpecTest) { + let res = if env::var("CI_GRCOV").is_ok() { + let test: SpecTest = test.clone(); + // Augment stack size when running with 0 inlining to avoid overflows + std::thread::Builder::new() + .stack_size(128 * 1024 * 1024) + .spawn(move || run_test(&test)) + .unwrap() + .join() + .unwrap() + } else { + run_test(test) + }; + match res { + Ok(_) => {} + Err(e) => panic!(e.to_string()), + } +} + +fn run_test(test: &SpecTest) -> Result<()> { + use self::SpecTest::*; + // Setup current directory to the root of the repository. Important for `as Location` tests. + env::set_current_dir( + PathBuf::from(env!("CARGO_MANIFEST_DIR")).parent().unwrap(), + )?; + // Set environment variable for import tests. + env::set_var("DHALL_TEST_VAR", "6 * 7"); + + match test { + ParserSuccess(expr, expected) => { + let expr = expr.parse()?; + // This exercices both parsing and binary decoding + expected.compare_debug(expr)?; + } + ParserFailure(expr, expected) => { + use std::io; + let err = expr.parse().unwrap_err(); + match err.kind() { + ErrorKind::Parse(_) => {} + ErrorKind::IO(e) if e.kind() == io::ErrorKind::InvalidData => {} + e => panic!("Expected parse error, got: {:?}", e), + } + expected.compare_ui(err)?; + } + BinaryEncoding(expr, expected) => { + let expr = expr.parse()?; + expected.compare_binary(expr)?; + } + BinaryDecodingSuccess(expr, expected) => { + let expr = expr.parse()?; + expected.compare_debug(expr)?; + } + BinaryDecodingFailure(expr, expected) => { + let err = expr.parse().unwrap_err(); + expected.compare_ui(err)?; + } + Printer(expr, expected) => { + let parsed = expr.parse()?; + // Round-trip pretty-printer + let reparsed = Parsed::parse_str(&parsed.to_string())?; + assert_eq!(reparsed, parsed); + expected.compare_ui(parsed)?; + } + ImportSuccess(expr, expected) => { + let expr = expr.normalize()?; + expected.compare(expr)?; + } + ImportFailure(expr, expected) => { + let err = expr.resolve().unwrap_err(); + expected.compare_ui(err)?; + } + SemanticHash(expr, expected) => { + let expr = expr.normalize()?.to_expr_alpha(); + let hash = hex::encode(expr.hash()?); + expected.compare_ui(format!("sha256:{}", hash))?; + } + TypeInferenceSuccess(expr, expected) => { + let ty = expr.typecheck()?.get_type()?; + expected.compare(ty)?; + } + TypeInferenceFailure(expr, expected) => { + let err = expr.typecheck().unwrap_err(); + expected.compare_ui(err)?; + } + Normalization(expr, expected) => { + let expr = expr.normalize()?; + expected.compare(expr)?; + } + AlphaNormalization(expr, expected) => { + let expr = expr.normalize()?.to_expr_alpha(); + expected.compare(expr)?; + } + } + + Ok(()) +} + +fn dhall_files_in_dir<'a>( + dir: &'a Path, + take_ab_suffix: bool, + filetype: FileType, +) -> impl Iterator + 'a { + WalkDir::new(dir) + .into_iter() + .filter_map(|e| e.ok()) + .filter_map(move |path| { + let path = path.path().strip_prefix(dir).unwrap(); + let ext = path.extension()?; + if *ext != OsString::from(filetype.to_ext()) { + return None; + } + let path = path.to_string_lossy(); + let path = &path[..path.len() - 1 - ext.len()]; + let path = if take_ab_suffix && &path[path.len() - 1..] != "A" { + return None; + } else if take_ab_suffix { + path[..path.len() - 1].to_owned() + } else { + path.to_owned() + }; + // Transform path into a valid Rust identifier + let name = path.replace("/", "_").replace("-", "_"); + Some((name, path)) + }) +} + +fn make_test_module( + tests: &mut Vec>, + base_paths: &[&Path], + feature: TestFeature, +) -> std::io::Result<()> { + let take_ab_suffix = feature.output_type.is_some() + && (feature.output_type != Some(FileType::UI) + || feature.module_name == "printer"); + let input_suffix = if take_ab_suffix { "A" } else { "" }; + let output_suffix = if take_ab_suffix { "B" } else { "" }; + + for base_path in base_paths { + let tests_dir = base_path.join(feature.directory); + for (name, path) in + dhall_files_in_dir(&tests_dir, take_ab_suffix, feature.input_type) + { + if (feature.exclude_path)(&path) { + continue; + } + if (feature.too_slow_path)(&path) { + #[cfg(debug_assertions)] + continue; + } + let path = tests_dir.join(path); + let path = path.to_string_lossy(); + + let input = feature + .input_type + .construct(&format!("{}{}", path, input_suffix)); + let output = match feature.output_type { + None => None, + Some(output_type @ FileType::UI) => { + // All ui outputs are in the local `tests/` directory. + let path = PathBuf::from("tests/").join( + PathBuf::from(path.as_ref()) + .strip_prefix(base_path) + .unwrap(), + ); + let path = path.to_str().unwrap(); + let output = output_type + .construct(&format!("{}{}", path, output_suffix)); + Some(output) + } + Some(output_type) => { + let output = output_type + .construct(&format!("{}{}", path, output_suffix)); + Some(output) + } + }; + + let test = match output { + None => panic!(), + Some(output) => { + (feature.variant)(input, output) + } + }; + tests.push(Test { + name: format!("{}::{}", feature.module_name, name), + kind: "".into(), + is_ignored: false, + is_bench: false, + data: test, + }); + } + } + Ok(()) +} + +fn generate_tests() -> Vec> { + let spec_tests_dirs = + vec![Path::new("../dhall-lang/tests/"), Path::new("tests/")]; + + let features = define_features(); + + let mut tests = Vec::new(); + for feature in features { + make_test_module(&mut tests, &spec_tests_dirs, feature).unwrap(); + } + tests +} + +fn main() { + let tests = generate_tests(); + + let args = Arguments::from_args(); + run_tests(&args, tests, |test| { run_test_or_panic(&test.data); Outcome::Passed }).exit(); +} -- cgit v1.2.3 From bef786fe2ffbbd714e4c0e8e63ac96a394201feb Mon Sep 17 00:00:00 2001 From: Nadrieril Date: Tue, 14 Apr 2020 15:26:30 +0100 Subject: refactor: refactor spec tests a bit --- dhall/tests/spec.rs | 366 +++++++++++++++++++++++++--------------------------- 1 file changed, 177 insertions(+), 189 deletions(-) (limited to 'dhall/tests') diff --git a/dhall/tests/spec.rs b/dhall/tests/spec.rs index 3521f6a..ca09ef0 100644 --- a/dhall/tests/spec.rs +++ b/dhall/tests/spec.rs @@ -1,18 +1,19 @@ use std::env; use std::ffi::OsString; +use std::fmt::Display; use std::fs::{create_dir_all, read_to_string, File}; -use std::io::{Read, BufRead, BufReader, Write}; +use std::io::{Read, Write}; use std::path::{Path, PathBuf}; use std::rc::Rc; -use std::fmt::Display; -use walkdir::WalkDir; -use libtest_mimic::{Arguments, Outcome, Test, run_tests}; #[cfg(not(test))] use assert_eq as assert_eq_pretty; #[cfg(test)] use pretty_assertions::assert_eq as assert_eq_pretty; +use libtest_mimic::{run_tests, Arguments, Outcome, Test}; +use walkdir::WalkDir; + use dhall::error::{ErrorKind, Result}; use dhall::syntax::{binary, Expr}; use dhall::{Normalized, Parsed, Resolved, Typed}; @@ -57,6 +58,9 @@ macro_rules! assert_eq_pretty_str { }; } +static LOCAL_TEST_PATH: &str = "tests/"; +static TEST_PATHS: &[&str] = &["../dhall-lang/tests/", LOCAL_TEST_PATH]; + #[derive(Debug, Clone, Copy, PartialEq, Eq)] enum FileType { /// Dhall source file @@ -85,20 +89,13 @@ impl FileType { FileType::UI => "txt", } } - fn constructor(self) -> &'static str { - match self { - FileType::Text => "TestFile::Source", - FileType::Binary => "TestFile::Binary", - FileType::Hash => "TestFile::Binary", - FileType::UI => "TestFile::UI", - } - } fn construct(self, path: &str) -> TestFile { + let file = format!("{}.{}", path, self.to_ext()); match self { - FileType::Text => TestFile::Source(format!("{}.{}", path, self.to_ext())), - FileType::Binary => TestFile::Binary(format!("{}.{}", path, self.to_ext())), - FileType::Hash => TestFile::Binary(format!("{}.{}", path, self.to_ext())), - FileType::UI => TestFile::UI(format!("{}.{}", path, self.to_ext())), + FileType::Text => TestFile::Source(file), + FileType::Binary => TestFile::Binary(file), + FileType::Hash => TestFile::Binary(file), + FileType::UI => TestFile::UI(file), } } } @@ -264,44 +261,138 @@ struct TestFeature { module_name: &'static str, /// Directory containing the tests files, relative to the base tests directory directory: &'static str, - /// Relevant variant of `dhall::tests::Test` - variant: Rc SpecTest>, + /// Relevant variant of `dhall::tests::SpecTestKind` + variant: SpecTestKind, /// Given a file name, whether to only include it in release tests too_slow_path: Rc bool>, /// Given a file name, whether to exclude it exclude_path: Rc bool>, /// Type of the input file input_type: FileType, - /// Type of the output file, if any - output_type: Option, + /// Type of the output file + output_type: FileType, +} + +#[derive(Clone, Copy)] +enum SpecTestKind { + ParserSuccess, + ParserFailure, + Printer, + BinaryEncoding, + BinaryDecodingSuccess, + BinaryDecodingFailure, + ImportSuccess, + ImportFailure, + SemanticHash, + TypeInferenceSuccess, + TypeInferenceFailure, + Normalization, + AlphaNormalization, } #[derive(Clone)] -enum SpecTest { - ParserSuccess(TestFile, TestFile), - ParserFailure(TestFile, TestFile), - Printer(TestFile, TestFile), - BinaryEncoding(TestFile, TestFile), - BinaryDecodingSuccess(TestFile, TestFile), - BinaryDecodingFailure(TestFile, TestFile), - ImportSuccess(TestFile, TestFile), - ImportFailure(TestFile, TestFile), - SemanticHash(TestFile, TestFile), - TypeInferenceSuccess(TestFile, TestFile), - TypeInferenceFailure(TestFile, TestFile), - Normalization(TestFile, TestFile), - AlphaNormalization(TestFile, TestFile), +struct SpecTest { + kind: SpecTestKind, + input: TestFile, + output: TestFile, +} + +fn dhall_files_in_dir<'a>( + dir: &'a Path, + take_ab_suffix: bool, + filetype: FileType, +) -> impl Iterator + 'a { + WalkDir::new(dir) + .into_iter() + .filter_map(|e| e.ok()) + .filter_map(move |path| { + let path = path.path().strip_prefix(dir).unwrap(); + let ext = path.extension()?; + if *ext != OsString::from(filetype.to_ext()) { + return None; + } + let path = path.to_string_lossy(); + let path = &path[..path.len() - 1 - ext.len()]; + let path = if take_ab_suffix && &path[path.len() - 1..] != "A" { + return None; + } else if take_ab_suffix { + path[..path.len() - 1].to_owned() + } else { + path.to_owned() + }; + // Transform path into a valid Rust identifier + let name = path.replace("/", "_").replace("-", "_"); + Some((name, path)) + }) +} + +fn discover_tests_for_feature(feature: TestFeature) -> Vec> { + let take_ab_suffix = + feature.output_type != FileType::UI || feature.module_name == "printer"; + let input_suffix = if take_ab_suffix { "A" } else { "" }; + let output_suffix = if take_ab_suffix { "B" } else { "" }; + + let mut tests = Vec::new(); + for base_path in TEST_PATHS { + let base_path = Path::new(base_path); + let tests_dir = base_path.join(feature.directory); + for (name, path) in + dhall_files_in_dir(&tests_dir, take_ab_suffix, feature.input_type) + { + if (feature.exclude_path)(&path) { + continue; + } + if (feature.too_slow_path)(&path) && cfg!(debug_assertions) { + continue; + } + let path = tests_dir.join(path); + let path = path.to_string_lossy(); + + let output_path = match feature.output_type { + FileType::UI => { + // All ui outputs are in the local tests directory. + let path = PathBuf::from(LOCAL_TEST_PATH).join( + PathBuf::from(path.as_ref()) + .strip_prefix(base_path) + .unwrap(), + ); + path.to_str().unwrap().to_owned() + } + _ => path.as_ref().to_owned(), + }; + + let input = feature + .input_type + .construct(&format!("{}{}", path, input_suffix)); + let output = feature + .output_type + .construct(&format!("{}{}", output_path, output_suffix)); + + tests.push(Test { + name: format!("{}::{}", feature.module_name, name), + kind: "".into(), + is_ignored: false, + is_bench: false, + data: SpecTest { + input, + output, + kind: feature.variant, + }, + }); + } + } + tests } fn define_features() -> Vec { let default_feature = TestFeature { module_name: "", directory: "", - variant: Rc::new(|_, _| panic!()), + variant: SpecTestKind::ParserSuccess, // Dummy too_slow_path: Rc::new(|_path: &str| false), exclude_path: Rc::new(|_path: &str| false), input_type: FileType::Text, - output_type: None, + output_type: FileType::Text, }; #[allow(clippy::nonminimal_bool)] @@ -309,35 +400,35 @@ fn define_features() -> Vec { TestFeature { module_name: "parser_success", directory: "parser/success/", - variant: Rc::new(SpecTest::ParserSuccess), + variant: SpecTestKind::ParserSuccess, too_slow_path: Rc::new(|path: &str| path == "largeExpression"), exclude_path: Rc::new(|path: &str| { false // Pretty sure the test is incorrect || path == "unit/import/urls/quotedPathFakeUrlEncode" }), - output_type: Some(FileType::Binary), + output_type: FileType::Binary, ..default_feature.clone() }, TestFeature { module_name: "parser_failure", directory: "parser/failure/", - variant: Rc::new(SpecTest::ParserFailure), - output_type: Some(FileType::UI), + variant: SpecTestKind::ParserFailure, + output_type: FileType::UI, ..default_feature.clone() }, TestFeature { module_name: "printer", directory: "parser/success/", - variant: Rc::new(SpecTest::Printer), + variant: SpecTestKind::Printer, too_slow_path: Rc::new(|path: &str| path == "largeExpression"), - output_type: Some(FileType::UI), + output_type: FileType::UI, ..default_feature.clone() }, TestFeature { module_name: "binary_encoding", directory: "parser/success/", - variant: Rc::new(SpecTest::BinaryEncoding), + variant: SpecTestKind::BinaryEncoding, too_slow_path: Rc::new(|path: &str| path == "largeExpression"), exclude_path: Rc::new(|path: &str| { false @@ -348,13 +439,13 @@ fn define_features() -> Vec { || path == "unit/DoubleLitExponentNoDot" || path == "unit/DoubleLitSecretelyInt" }), - output_type: Some(FileType::Binary), + output_type: FileType::Binary, ..default_feature.clone() }, TestFeature { module_name: "binary_decoding_success", directory: "binary-decode/success/", - variant: Rc::new(SpecTest::BinaryDecodingSuccess), + variant: SpecTestKind::BinaryDecodingSuccess, exclude_path: Rc::new(|path: &str| { false // We don't support bignums @@ -363,21 +454,20 @@ fn define_features() -> Vec { || path == "unit/NaturalBig" }), input_type: FileType::Binary, - output_type: Some(FileType::Text), ..default_feature.clone() }, TestFeature { module_name: "binary_decoding_failure", directory: "binary-decode/failure/", - variant: Rc::new(SpecTest::BinaryDecodingFailure), + variant: SpecTestKind::BinaryDecodingFailure, input_type: FileType::Binary, - output_type: Some(FileType::UI), + output_type: FileType::UI, ..default_feature.clone() }, TestFeature { module_name: "import_success", directory: "import/success/", - variant: Rc::new(SpecTest::ImportSuccess), + variant: SpecTestKind::ImportSuccess, exclude_path: Rc::new(|path: &str| { false // TODO: import hash @@ -389,25 +479,24 @@ fn define_features() -> Vec { || path == "headerForwarding" || path == "noHeaderForwarding" }), - output_type: Some(FileType::Text), ..default_feature.clone() }, TestFeature { module_name: "import_failure", directory: "import/failure/", - variant: Rc::new(SpecTest::ImportFailure), + variant: SpecTestKind::ImportFailure, exclude_path: Rc::new(|path: &str| { false // TODO: import headers || path == "customHeadersUsingBoundVariable" }), - output_type: Some(FileType::UI), + output_type: FileType::UI, ..default_feature.clone() }, TestFeature { module_name: "semantic_hash", directory: "semantic-hash/success/", - variant: Rc::new(SpecTest::SemanticHash), + variant: SpecTestKind::SemanticHash, exclude_path: Rc::new(|path: &str| { false // We don't support bignums @@ -417,13 +506,13 @@ fn define_features() -> Vec { || path == "prelude/Integer/toDouble/1" || path == "prelude/Natural/toDouble/0" }), - output_type: Some(FileType::Hash), + output_type: FileType::Hash, ..default_feature.clone() }, TestFeature { module_name: "beta_normalize", directory: "normalization/success/", - variant: Rc::new(SpecTest::Normalization), + variant: SpecTestKind::Normalization, too_slow_path: Rc::new(|path: &str| path == "remoteSystems"), exclude_path: Rc::new(|path: &str| { false @@ -434,38 +523,35 @@ fn define_features() -> Vec { // TODO: fix Double/show || path == "prelude/JSON/number/1" }), - output_type: Some(FileType::Text), ..default_feature.clone() }, TestFeature { module_name: "alpha_normalize", directory: "alpha-normalization/success/", - variant: Rc::new(SpecTest::AlphaNormalization), + variant: SpecTestKind::AlphaNormalization, exclude_path: Rc::new(|path: &str| { // This test is designed to not typecheck path == "unit/FunctionNestedBindingXXFree" }), - output_type: Some(FileType::Text), ..default_feature.clone() }, TestFeature { module_name: "type_inference_success", directory: "type-inference/success/", - variant: Rc::new(SpecTest::TypeInferenceSuccess), + variant: SpecTestKind::TypeInferenceSuccess, too_slow_path: Rc::new(|path: &str| path == "prelude"), - output_type: Some(FileType::Text), ..default_feature.clone() }, TestFeature { module_name: "type_inference_failure", directory: "type-inference/failure/", - variant: Rc::new(SpecTest::TypeInferenceFailure), + variant: SpecTestKind::TypeInferenceFailure, exclude_path: Rc::new(|path: &str| { false // TODO: enable free variable checking || path == "unit/MergeHandlerFreeVar" }), - output_type: Some(FileType::UI), + output_type: FileType::UI, ..default_feature }, ] @@ -491,7 +577,7 @@ fn run_test_or_panic(test: &SpecTest) { } fn run_test(test: &SpecTest) -> Result<()> { - use self::SpecTest::*; + use self::SpecTestKind::*; // Setup current directory to the root of the repository. Important for `as Location` tests. env::set_current_dir( PathBuf::from(env!("CARGO_MANIFEST_DIR")).parent().unwrap(), @@ -499,13 +585,18 @@ fn run_test(test: &SpecTest) -> Result<()> { // Set environment variable for import tests. env::set_var("DHALL_TEST_VAR", "6 * 7"); - match test { - ParserSuccess(expr, expected) => { + let SpecTest { + input: expr, + output: expected, + .. + } = test; + match test.kind { + ParserSuccess => { let expr = expr.parse()?; // This exercices both parsing and binary decoding expected.compare_debug(expr)?; } - ParserFailure(expr, expected) => { + ParserFailure => { use std::io; let err = expr.parse().unwrap_err(); match err.kind() { @@ -515,51 +606,51 @@ fn run_test(test: &SpecTest) -> Result<()> { } expected.compare_ui(err)?; } - BinaryEncoding(expr, expected) => { + BinaryEncoding => { let expr = expr.parse()?; expected.compare_binary(expr)?; } - BinaryDecodingSuccess(expr, expected) => { + BinaryDecodingSuccess => { let expr = expr.parse()?; expected.compare_debug(expr)?; } - BinaryDecodingFailure(expr, expected) => { + BinaryDecodingFailure => { let err = expr.parse().unwrap_err(); expected.compare_ui(err)?; } - Printer(expr, expected) => { + Printer => { let parsed = expr.parse()?; // Round-trip pretty-printer let reparsed = Parsed::parse_str(&parsed.to_string())?; assert_eq!(reparsed, parsed); expected.compare_ui(parsed)?; } - ImportSuccess(expr, expected) => { + ImportSuccess => { let expr = expr.normalize()?; expected.compare(expr)?; } - ImportFailure(expr, expected) => { + ImportFailure => { let err = expr.resolve().unwrap_err(); expected.compare_ui(err)?; } - SemanticHash(expr, expected) => { + SemanticHash => { let expr = expr.normalize()?.to_expr_alpha(); let hash = hex::encode(expr.hash()?); expected.compare_ui(format!("sha256:{}", hash))?; } - TypeInferenceSuccess(expr, expected) => { + TypeInferenceSuccess => { let ty = expr.typecheck()?.get_type()?; expected.compare(ty)?; } - TypeInferenceFailure(expr, expected) => { + TypeInferenceFailure => { let err = expr.typecheck().unwrap_err(); expected.compare_ui(err)?; } - Normalization(expr, expected) => { + Normalization => { let expr = expr.normalize()?; expected.compare(expr)?; } - AlphaNormalization(expr, expected) => { + AlphaNormalization => { let expr = expr.normalize()?.to_expr_alpha(); expected.compare(expr)?; } @@ -568,119 +659,16 @@ fn run_test(test: &SpecTest) -> Result<()> { Ok(()) } -fn dhall_files_in_dir<'a>( - dir: &'a Path, - take_ab_suffix: bool, - filetype: FileType, -) -> impl Iterator + 'a { - WalkDir::new(dir) - .into_iter() - .filter_map(|e| e.ok()) - .filter_map(move |path| { - let path = path.path().strip_prefix(dir).unwrap(); - let ext = path.extension()?; - if *ext != OsString::from(filetype.to_ext()) { - return None; - } - let path = path.to_string_lossy(); - let path = &path[..path.len() - 1 - ext.len()]; - let path = if take_ab_suffix && &path[path.len() - 1..] != "A" { - return None; - } else if take_ab_suffix { - path[..path.len() - 1].to_owned() - } else { - path.to_owned() - }; - // Transform path into a valid Rust identifier - let name = path.replace("/", "_").replace("-", "_"); - Some((name, path)) - }) -} - -fn make_test_module( - tests: &mut Vec>, - base_paths: &[&Path], - feature: TestFeature, -) -> std::io::Result<()> { - let take_ab_suffix = feature.output_type.is_some() - && (feature.output_type != Some(FileType::UI) - || feature.module_name == "printer"); - let input_suffix = if take_ab_suffix { "A" } else { "" }; - let output_suffix = if take_ab_suffix { "B" } else { "" }; - - for base_path in base_paths { - let tests_dir = base_path.join(feature.directory); - for (name, path) in - dhall_files_in_dir(&tests_dir, take_ab_suffix, feature.input_type) - { - if (feature.exclude_path)(&path) { - continue; - } - if (feature.too_slow_path)(&path) { - #[cfg(debug_assertions)] - continue; - } - let path = tests_dir.join(path); - let path = path.to_string_lossy(); - - let input = feature - .input_type - .construct(&format!("{}{}", path, input_suffix)); - let output = match feature.output_type { - None => None, - Some(output_type @ FileType::UI) => { - // All ui outputs are in the local `tests/` directory. - let path = PathBuf::from("tests/").join( - PathBuf::from(path.as_ref()) - .strip_prefix(base_path) - .unwrap(), - ); - let path = path.to_str().unwrap(); - let output = output_type - .construct(&format!("{}{}", path, output_suffix)); - Some(output) - } - Some(output_type) => { - let output = output_type - .construct(&format!("{}{}", path, output_suffix)); - Some(output) - } - }; - - let test = match output { - None => panic!(), - Some(output) => { - (feature.variant)(input, output) - } - }; - tests.push(Test { - name: format!("{}::{}", feature.module_name, name), - kind: "".into(), - is_ignored: false, - is_bench: false, - data: test, - }); - } - } - Ok(()) -} - -fn generate_tests() -> Vec> { - let spec_tests_dirs = - vec![Path::new("../dhall-lang/tests/"), Path::new("tests/")]; - - let features = define_features(); - - let mut tests = Vec::new(); - for feature in features { - make_test_module(&mut tests, &spec_tests_dirs, feature).unwrap(); - } - tests -} - fn main() { - let tests = generate_tests(); + let tests = define_features() + .into_iter() + .flat_map(discover_tests_for_feature) + .collect(); let args = Arguments::from_args(); - run_tests(&args, tests, |test| { run_test_or_panic(&test.data); Outcome::Passed }).exit(); + run_tests(&args, tests, |test| { + run_test_or_panic(&test.data); + Outcome::Passed + }) + .exit(); } -- cgit v1.2.3 From 23841922f0fdbb5d2eba9a0651cd46de86d96305 Mon Sep 17 00:00:00 2001 From: Nadrieril Date: Wed, 24 Jun 2020 21:52:03 +0100 Subject: refactor: remove old test harness --- dhall/tests/spec.rs | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) (limited to 'dhall/tests') diff --git a/dhall/tests/spec.rs b/dhall/tests/spec.rs index ca09ef0..628f084 100644 --- a/dhall/tests/spec.rs +++ b/dhall/tests/spec.rs @@ -470,8 +470,6 @@ fn define_features() -> Vec { variant: SpecTestKind::ImportSuccess, exclude_path: Rc::new(|path: &str| { false - // TODO: import hash - || path == "hashFromCache" // TODO: the standard does not respect https://tools.ietf.org/html/rfc3986#section-5.2 || path == "unit/asLocation/RemoteCanonicalize4" // TODO: import headers @@ -579,9 +577,11 @@ fn run_test_or_panic(test: &SpecTest) { fn run_test(test: &SpecTest) -> Result<()> { use self::SpecTestKind::*; // Setup current directory to the root of the repository. Important for `as Location` tests. - env::set_current_dir( - PathBuf::from(env!("CARGO_MANIFEST_DIR")).parent().unwrap(), - )?; + let root_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR")) + .parent() + .unwrap() + .to_path_buf(); + env::set_current_dir(root_dir.as_path())?; // Set environment variable for import tests. env::set_var("DHALL_TEST_VAR", "6 * 7"); @@ -626,6 +626,16 @@ fn run_test(test: &SpecTest) -> Result<()> { expected.compare_ui(parsed)?; } ImportSuccess => { + // Configure cache for import tests + env::set_var( + "XDG_CACHE_HOME", + root_dir + .join("dhall-lang") + .join("tests") + .join("import") + .join("cache") + .as_path(), + ); let expr = expr.normalize()?; expected.compare(expr)?; } -- cgit v1.2.3 From 42a9e687e3ecd157779236e893d5564a119dce31 Mon Sep 17 00:00:00 2001 From: Nadrieril Date: Tue, 14 Apr 2020 22:36:40 +0100 Subject: test: use errors instead of panics to signify test failure --- dhall/tests/spec.rs | 156 ++++++++++++++++++++++++++++------------------------ 1 file changed, 83 insertions(+), 73 deletions(-) (limited to 'dhall/tests') diff --git a/dhall/tests/spec.rs b/dhall/tests/spec.rs index 628f084..8670013 100644 --- a/dhall/tests/spec.rs +++ b/dhall/tests/spec.rs @@ -1,63 +1,20 @@ +use anyhow::Result; use std::env; use std::ffi::OsString; -use std::fmt::Display; +use std::fmt::{Debug, Display}; use std::fs::{create_dir_all, read_to_string, File}; use std::io::{Read, Write}; use std::path::{Path, PathBuf}; use std::rc::Rc; -#[cfg(not(test))] -use assert_eq as assert_eq_pretty; -#[cfg(test)] -use pretty_assertions::assert_eq as assert_eq_pretty; - -use libtest_mimic::{run_tests, Arguments, Outcome, Test}; +use libtest_mimic::{Arguments, Outcome, Test}; use walkdir::WalkDir; -use dhall::error::{ErrorKind, Result}; +use dhall::error::Error as DhallError; +use dhall::error::ErrorKind; use dhall::syntax::{binary, Expr}; use dhall::{Normalized, Parsed, Resolved, Typed}; -macro_rules! assert_eq_display { - ($left:expr, $right:expr) => {{ - match (&$left, &$right) { - (left_val, right_val) => { - if !(*left_val == *right_val) { - panic!( - r#"assertion failed: `(left == right)` - left: `{}`, -right: `{}`"#, - left_val, right_val - ) - } - } - } - }}; -} - -/// Wrapper around string slice that makes debug output `{:?}` to print string same way as `{}`. -/// Used in different `assert*!` macros in combination with `pretty_assertions` crate to make -/// test failures to show nice diffs. -#[derive(PartialEq, Eq)] -#[doc(hidden)] -pub struct PrettyString(String); - -/// Make diff to display string as multi-line string -impl std::fmt::Debug for PrettyString { - fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { - f.write_str(&self.0) - } -} - -macro_rules! assert_eq_pretty_str { - ($left:expr, $right:expr) => { - assert_eq_pretty!( - PrettyString($left.to_string()), - PrettyString($right.to_string()) - ); - }; -} - static LOCAL_TEST_PATH: &str = "tests/"; static TEST_PATHS: &[&str] = &["../dhall-lang/tests/", LOCAL_TEST_PATH]; @@ -100,6 +57,38 @@ impl FileType { } } +// Custom assert_eq macro that returns an Error and prints pretty diffs. +macro_rules! assert_eq { + (@@make_str, debug, $x:expr) => { + format!("{:#?}", $x) + }; + (@@make_str, display, $x:expr) => { + $x.to_string() + }; + + (@$style:ident, $left:expr, $right:expr) => { + match (&$left, &$right) { + (left_val, right_val) => { + if *left_val != *right_val { + let left_val = assert_eq!(@@make_str, $style, left_val); + let right_val = assert_eq!(@@make_str, $style, right_val); + let msg = format!( + "assertion failed: `(left == right)`\n\n{}\n", + colored_diff::PrettyDifference { + expected: &left_val, + actual: &right_val + } + ); + return Err(TestError(msg).into()); + } + } + } + }; + ($left:expr, $right:expr) => { + assert_eq!(@debug, $left, $right) + }; +} + impl TestFile { pub fn path(&self) -> PathBuf { match self { @@ -111,11 +100,13 @@ impl TestFile { /// Parse the target file pub fn parse(&self) -> Result { - match self { - TestFile::Source(_) => Parsed::parse_file(&self.path()), - TestFile::Binary(_) => Parsed::parse_binary_file(&self.path()), - TestFile::UI(_) => panic!("Can't parse a UI test file"), - } + Ok(match self { + TestFile::Source(_) => Parsed::parse_file(&self.path())?, + TestFile::Binary(_) => Parsed::parse_binary_file(&self.path())?, + TestFile::UI(_) => { + Err(TestError(format!("Can't parse a UI test file")))? + } + }) } /// Parse and resolve the target file pub fn resolve(&self) -> Result { @@ -148,7 +139,9 @@ impl TestFile { let expr_data = binary::encode(&expr)?; file.write_all(&expr_data)?; } - TestFile::UI(_) => panic!("Can't write an expression to a UI file"), + TestFile::UI(_) => Err(TestError(format!( + "Can't write an expression to a UI file" + )))?, } Ok(()) } @@ -156,7 +149,9 @@ impl TestFile { fn write_ui(&self, x: impl Display) -> Result<()> { match self { TestFile::UI(_) => {} - _ => panic!("Can't write a ui string to a dhall file"), + _ => Err(TestError(format!( + "Can't write a ui string to a dhall file" + )))?, } let path = self.path(); create_dir_all(path.parent().unwrap())?; @@ -177,7 +172,7 @@ impl TestFile { if Self::force_update() { self.write_expr(expr)?; } else { - assert_eq_display!(expr, expected); + assert_eq!(@display, expr, expected); } } Ok(()) @@ -194,7 +189,7 @@ impl TestFile { if Self::force_update() { self.write_expr(expr)?; } else { - assert_eq_pretty!(expr, expected); + assert_eq!(expr, expected); } } Ok(()) @@ -204,7 +199,7 @@ impl TestFile { let expr = expr.into(); match self { TestFile::Binary(_) => {} - _ => panic!("This is not a binary file"), + _ => Err(TestError(format!("This is not a binary file")))?, } if !self.path().is_file() { return self.write_expr(expr); @@ -225,7 +220,7 @@ impl TestFile { use serde_cbor::de::from_slice; use serde_cbor::value::Value; // Pretty-print difference - assert_eq_pretty!( + assert_eq!( from_slice::(&expr_data).unwrap(), from_slice::(&expected_data).unwrap() ); @@ -248,7 +243,7 @@ impl TestFile { if Self::force_update() { self.write_ui(x)?; } else { - assert_eq_pretty_str!(expected, msg); + assert_eq!(@display, expected, msg); } } Ok(()) @@ -297,6 +292,16 @@ struct SpecTest { output: TestFile, } +#[derive(Debug, Clone)] +struct TestError(String); + +impl std::fmt::Display for TestError { + fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { + write!(f, "{}", &self.0) + } +} +impl std::error::Error for TestError {} + fn dhall_files_in_dir<'a>( dir: &'a Path, take_ab_suffix: bool, @@ -555,7 +560,7 @@ fn define_features() -> Vec { ] } -fn run_test_or_panic(test: &SpecTest) { +fn run_test_stringy_error(test: &SpecTest) -> std::result::Result<(), String> { let res = if env::var("CI_GRCOV").is_ok() { let test: SpecTest = test.clone(); // Augment stack size when running with 0 inlining to avoid overflows @@ -568,10 +573,7 @@ fn run_test_or_panic(test: &SpecTest) { } else { run_test(test) }; - match res { - Ok(_) => {} - Err(e) => panic!(e.to_string()), - } + res.map_err(|e| e.to_string()) } fn run_test(test: &SpecTest) -> Result<()> { @@ -599,10 +601,17 @@ fn run_test(test: &SpecTest) -> Result<()> { ParserFailure => { use std::io; let err = expr.parse().unwrap_err(); - match err.kind() { - ErrorKind::Parse(_) => {} - ErrorKind::IO(e) if e.kind() == io::ErrorKind::InvalidData => {} - e => panic!("Expected parse error, got: {:?}", e), + match err.downcast_ref::() { + Some(err) => match err.kind() { + ErrorKind::Parse(_) => {} + ErrorKind::IO(e) + if e.kind() == io::ErrorKind::InvalidData => {} + e => Err(TestError(format!( + "Expected parse error, got: {:?}", + e + )))?, + }, + None => {} } expected.compare_ui(err)?; } @@ -675,10 +684,11 @@ fn main() { .flat_map(discover_tests_for_feature) .collect(); - let args = Arguments::from_args(); - run_tests(&args, tests, |test| { - run_test_or_panic(&test.data); - Outcome::Passed + libtest_mimic::run_tests(&Arguments::from_args(), tests, |test| { + match run_test_stringy_error(&test.data) { + Ok(_) => Outcome::Passed, + Err(e) => Outcome::Failed { msg: Some(e) }, + } }) .exit(); } -- cgit v1.2.3 From d064efd894d034726f1d67494fa98fc975708106 Mon Sep 17 00:00:00 2001 From: Nadrieril Date: Wed, 24 Jun 2020 22:19:08 +0100 Subject: ci: run tests on windows --- dhall/tests/spec.rs | 33 ++++++++++++++++++++++++++------- 1 file changed, 26 insertions(+), 7 deletions(-) (limited to 'dhall/tests') diff --git a/dhall/tests/spec.rs b/dhall/tests/spec.rs index 8670013..a423435 100644 --- a/dhall/tests/spec.rs +++ b/dhall/tests/spec.rs @@ -238,7 +238,10 @@ impl TestFile { } let expected = read_to_string(self.path())?; + let expected = expected.replace("\r\n", "\n"); // Normalize line endings let msg = format!("{}\n", x); + // TODO: git changes newlines on windows + let msg = msg.replace("\r\n", "\n"); if msg != expected { if Self::force_update() { self.write_ui(x)?; @@ -306,7 +309,7 @@ fn dhall_files_in_dir<'a>( dir: &'a Path, take_ab_suffix: bool, filetype: FileType, -) -> impl Iterator + 'a { +) -> impl Iterator + 'a { WalkDir::new(dir) .into_iter() .filter_map(|e| e.ok()) @@ -325,9 +328,7 @@ fn dhall_files_in_dir<'a>( } else { path.to_owned() }; - // Transform path into a valid Rust identifier - let name = path.replace("/", "_").replace("-", "_"); - Some((name, path)) + Some(path) }) } @@ -341,13 +342,16 @@ fn discover_tests_for_feature(feature: TestFeature) -> Vec> { for base_path in TEST_PATHS { let base_path = Path::new(base_path); let tests_dir = base_path.join(feature.directory); - for (name, path) in + for path in dhall_files_in_dir(&tests_dir, take_ab_suffix, feature.input_type) { - if (feature.exclude_path)(&path) { + let normalized_path = path.replace("\\", "/"); + if (feature.exclude_path)(&normalized_path) { continue; } - if (feature.too_slow_path)(&path) && cfg!(debug_assertions) { + if (feature.too_slow_path)(&normalized_path) + && cfg!(debug_assertions) + { continue; } let path = tests_dir.join(path); @@ -366,6 +370,8 @@ fn discover_tests_for_feature(feature: TestFeature) -> Vec> { _ => path.as_ref().to_owned(), }; + // Transform path into a valid Rust identifier + let name = normalized_path.replace("/", "_").replace("-", "_"); let input = feature .input_type .construct(&format!("{}{}", path, input_suffix)); @@ -420,6 +426,10 @@ fn define_features() -> Vec { directory: "parser/failure/", variant: SpecTestKind::ParserFailure, output_type: FileType::UI, + exclude_path: Rc::new(|_path: &str| { + // TODO: git changes newlines on windows + cfg!(windows) + }), ..default_feature.clone() }, TestFeature { @@ -481,6 +491,11 @@ fn define_features() -> Vec { || path == "customHeaders" || path == "headerForwarding" || path == "noHeaderForwarding" + // TODO: git changes newlines on windows + || (cfg!(windows) && path == "unit/AsText") + // TODO: paths on windows have backslashes; this breaks all the `as Location` tests + // See https://github.com/dhall-lang/dhall-lang/issues/1032 + || (cfg!(windows) && path.contains("asLocation")) }), ..default_feature.clone() }, @@ -490,6 +505,8 @@ fn define_features() -> Vec { variant: SpecTestKind::ImportFailure, exclude_path: Rc::new(|path: &str| { false + // TODO: paths on windows have backslashes; this breaks many things + || cfg!(windows) // TODO: import headers || path == "customHeadersUsingBoundVariable" }), @@ -553,6 +570,8 @@ fn define_features() -> Vec { false // TODO: enable free variable checking || path == "unit/MergeHandlerFreeVar" + // TODO: git changes newlines on windows + || cfg!(windows) }), output_type: FileType::UI, ..default_feature -- cgit v1.2.3