From 7b0113b3d588fdc1f95eca1286fb2f6881abe65a Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 1 Jul 2020 12:30:17 +0200
Subject: Move parser specific tests utils to parser tests

---
 crates/test_utils/src/lib.rs | 106 ++-----------------------------------------
 1 file changed, 5 insertions(+), 101 deletions(-)

(limited to 'crates/test_utils')

diff --git a/crates/test_utils/src/lib.rs b/crates/test_utils/src/lib.rs
index e32a0a0c3..fba5f4281 100644
--- a/crates/test_utils/src/lib.rs
+++ b/crates/test_utils/src/lib.rs
@@ -13,7 +13,7 @@ mod fixture;
 use std::{
     convert::{TryFrom, TryInto},
     env, fs,
-    path::{Path, PathBuf},
+    path::PathBuf,
 };
 
 use serde_json::Value;
@@ -299,85 +299,6 @@ pub fn find_mismatch<'a>(expected: &'a Value, actual: &'a Value) -> Option<(&'a
     }
 }
 
-/// Calls callback `f` with input code and file paths for each `.rs` file in `test_data_dir`
-/// subdirectories defined by `paths`.
-///
-/// If the content of the matching output file differs from the output of `f()`
-/// the test will fail.
-///
-/// If there is no matching output file it will be created and filled with the
-/// output of `f()`, but the test will fail.
-pub fn dir_tests<F>(test_data_dir: &Path, paths: &[&str], outfile_extension: &str, f: F)
-where
-    F: Fn(&str, &Path) -> String,
-{
-    for (path, input_code) in collect_rust_files(test_data_dir, paths) {
-        let actual = f(&input_code, &path);
-        let path = path.with_extension(outfile_extension);
-        if !path.exists() {
-            println!("\nfile: {}", path.display());
-            println!("No .txt file with expected result, creating...\n");
-            println!("{}\n{}", input_code, actual);
-            fs::write(&path, &actual).unwrap();
-            panic!("No expected result");
-        }
-        let expected = read_text(&path);
-        assert_equal_text(&expected, &actual, &path);
-    }
-}
-
-/// Collects all `.rs` files from `dir` subdirectories defined by `paths`.
-pub fn collect_rust_files(root_dir: &Path, paths: &[&str]) -> Vec<(PathBuf, String)> {
-    paths
-        .iter()
-        .flat_map(|path| {
-            let path = root_dir.to_owned().join(path);
-            rust_files_in_dir(&path).into_iter()
-        })
-        .map(|path| {
-            let text = read_text(&path);
-            (path, text)
-        })
-        .collect()
-}
-
-/// Collects paths to all `.rs` files from `dir` in a sorted `Vec<PathBuf>`.
-fn rust_files_in_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
-}
-
-/// Returns the path to the root directory of `rust-analyzer` project.
-pub fn project_dir() -> PathBuf {
-    let dir = env!("CARGO_MANIFEST_DIR");
-    PathBuf::from(dir).parent().unwrap().parent().unwrap().to_owned()
-}
-
-/// 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.
-pub fn read_text(path: &Path) -> String {
-    fs::read_to_string(path)
-        .unwrap_or_else(|_| panic!("File at {:?} should be valid", path))
-        .replace("\r\n", "\n")
-}
-
 /// Returns `false` if slow tests should not run, otherwise returns `true` and
 /// also creates a file at `./target/.slow_tests_cookie` which serves as a flag
 /// that slow tests did run.
@@ -392,25 +313,8 @@ pub fn skip_slow_tests() -> bool {
     should_skip
 }
 
-/// Asserts that `expected` and `actual` strings are equal. If they differ only
-/// in trailing or leading whitespace the test won't fail and
-/// the contents of `actual` will be written to the file located at `path`.
-fn assert_equal_text(expected: &str, actual: &str, path: &Path) {
-    if expected == actual {
-        return;
-    }
-    let dir = project_dir();
-    let pretty_path = path.strip_prefix(&dir).unwrap_or_else(|_| path);
-    if expected.trim() == actual.trim() {
-        println!("whitespace difference, rewriting");
-        println!("file: {}\n", pretty_path.display());
-        fs::write(path, actual).unwrap();
-        return;
-    }
-    if env::var("UPDATE_EXPECTATIONS").is_ok() {
-        println!("rewriting {}", pretty_path.display());
-        fs::write(path, actual).unwrap();
-        return;
-    }
-    assert_eq_text!(expected, actual, "file: {}", pretty_path.display());
+/// Returns the path to the root directory of `rust-analyzer` project.
+pub fn project_dir() -> PathBuf {
+    let dir = env!("CARGO_MANIFEST_DIR");
+    PathBuf::from(dir).parent().unwrap().parent().unwrap().to_owned()
 }
-- 
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