Simplify tests

1 files changed, 0 insertions, 111 deletions

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<F>(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<PathBuf> {
-    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<PathBuf> {
-    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")
-}