From ce898183b83eb2cf86c8c6ceeeac16ef68fdc802 Mon Sep 17 00:00:00 2001 From: Aleksey Kladov Date: Sat, 11 Aug 2018 10:03:03 +0300 Subject: Simplify tests --- crates/libsyntax2/tests/testutils/src/lib.rs | 111 --------------------------- 1 file changed, 111 deletions(-) delete mode 100644 crates/libsyntax2/tests/testutils/src/lib.rs (limited to 'crates/libsyntax2/tests/testutils/src/lib.rs') diff --git a/crates/libsyntax2/tests/testutils/src/lib.rs b/crates/libsyntax2/tests/testutils/src/lib.rs deleted file mode 100644 index 39c821661..000000000 --- a/crates/libsyntax2/tests/testutils/src/lib.rs +++ /dev/null @@ -1,111 +0,0 @@ -extern crate difference; - -use std::{ - fs, - path::{Path, PathBuf}, -}; - -use difference::Changeset; - -/// Read file and normalize newlines. -/// -/// `rustc` seems to always normalize `\r\n` newlines to `\n`: -/// -/// ``` -/// let s = " -/// "; -/// assert_eq!(s.as_bytes(), &[10]); -/// ``` -/// -/// so this should always be correct. -fn read_text(path: &Path) -> String { - fs::read_to_string(path).unwrap().replace("\r\n", "\n") -} - -pub fn dir_tests(paths: &[&str], f: F) -where - F: Fn(&str) -> String, -{ - for path in collect_tests(paths) { - let input_code = read_text(&path); - let parse_tree = f(&input_code); - let path = path.with_extension("txt"); - if !path.exists() { - println!("\nfile: {}", path.display()); - println!("No .txt file with expected result, creating...\n"); - println!("{}\n{}", input_code, parse_tree); - fs::write(&path, parse_tree).unwrap(); - panic!("No expected result") - } - let expected = read_text(&path); - let expected = expected.as_str(); - let parse_tree = parse_tree.as_str(); - assert_equal_text(expected, parse_tree, &path); - } -} - -fn assert_equal_text(expected: &str, actual: &str, path: &Path) { - if expected != actual { - print_difference(expected, actual, path) - } -} - -fn collect_tests(paths: &[&str]) -> Vec { - paths - .iter() - .flat_map(|path| { - let path = test_data_dir().join(path); - test_from_dir(&path).into_iter() - }) - .collect() -} - -fn test_from_dir(dir: &Path) -> Vec { - let mut acc = Vec::new(); - for file in fs::read_dir(&dir).unwrap() { - let file = file.unwrap(); - let path = file.path(); - if path.extension().unwrap_or_default() == "rs" { - acc.push(path); - } - } - acc.sort(); - acc -} - -const REWRITE: bool = false; - -fn print_difference(expected: &str, actual: &str, path: &Path) { - let dir = project_dir(); - let path = path.strip_prefix(&dir).unwrap_or_else(|_| path); - if expected.trim() == actual.trim() { - println!("whitespace difference, rewriting"); - println!("file: {}\n", path.display()); - fs::write(path, actual).unwrap(); - return; - } - if REWRITE { - println!("rewriting {}", path.display()); - fs::write(path, actual).unwrap(); - return; - } - let changeset = Changeset::new(actual, expected, "\n"); - println!("Expected:\n{}\n\nActual:\n{}\n", expected, actual); - print!("{}", changeset); - println!("file: {}\n", path.display()); - panic!("Comparison failed") -} - -fn project_dir() -> PathBuf { - let dir = env!("CARGO_MANIFEST_DIR"); - PathBuf::from(dir) - .parent() - .unwrap() - .parent() - .unwrap() - .to_owned() -} - -fn test_data_dir() -> PathBuf { - project_dir().join("tests/data") -} -- cgit v1.2.3