Simplify tests

crates/libsyntax2/Cargo.toml

@@ -12,4 +12,4 @@ drop_bomb = "0.1.4"
 parking_lot = "0.6.0"
 
 [dev-dependencies]
-testutils = { path = "./tests/testutils" }
+difference = "2.0.0"

crates/libsyntax2/tests/lexer.rs

@@ -1,28 +0,0 @@
-extern crate libsyntax2;
-extern crate testutils;
-
-use std::fmt::Write;
-
-use libsyntax2::{tokenize, Token};
-use testutils::dir_tests;
-
-#[test]
-fn lexer_tests() {
-    dir_tests(&["lexer"], |text| {
-        let tokens = tokenize(text);
-        dump_tokens(&tokens, text)
-    })
-}
-
-fn dump_tokens(tokens: &[Token], text: &str) -> String {
-    let mut acc = String::new();
-    let mut offset = 0;
-    for token in tokens {
-        let len: u32 = token.len.into();
-        let len = len as usize;
-        let token_text = &text[offset..offset + len];
-        offset += len;
-        write!(acc, "{:?} {} {:?}\n", token.kind, token.len, token_text).unwrap()
-    }
-    acc
-}

crates/libsyntax2/tests/parser.rs

@@ -1,14 +0,0 @@
-extern crate libsyntax2;
-extern crate testutils;
-
-use libsyntax2::parse;
-use libsyntax2::utils::dump_tree;
-use testutils::dir_tests;
-
-#[test]
-fn parser_tests() {
-    dir_tests(&["parser/inline", "parser/ok", "parser/err"], |text| {
-        let file = parse(text);
-        dump_tree(&file)
-    })
-}

crates/libsyntax2/tests/test/main.rs

@@ -1,12 +1,31 @@
+extern crate libsyntax2;
 extern crate difference;
 
 use std::{
     fs,
     path::{Path, PathBuf},
+    fmt::Write,
 };
 
 use difference::Changeset;
 
+#[test]
+fn lexer_tests() {
+    dir_tests(&["lexer"], |text| {
+        let tokens = libsyntax2::tokenize(text);
+        dump_tokens(&tokens, text)
+    })
+}
+
+#[test]
+fn parser_tests() {
+    dir_tests(&["parser/inline", "parser/ok", "parser/err"], |text| {
+        let file = libsyntax2::parse(text);
+        libsyntax2::utils::dump_tree(&file)
+    })
+}
+
+
 /// Read file and normalize newlines.
 ///
 /// `rustc` seems to always normalize `\r\n` newlines to `\n`:
@@ -23,7 +42,7 @@ fn read_text(path: &Path) -> String {
 }
 
 pub fn dir_tests<F>(paths: &[&str], f: F)
-where
+    where
         F: Fn(&str) -> String,
 {
     for path in collect_tests(paths) {
@@ -107,5 +126,18 @@ fn project_dir() -> PathBuf {
 }
 
 fn test_data_dir() -> PathBuf {
-    project_dir().join("tests/data")
+    project_dir().join("crates/libsyntax2/tests/data")
+}
+
+fn dump_tokens(tokens: &[libsyntax2::Token], text: &str) -> String {
+    let mut acc = String::new();
+    let mut offset = 0;
+    for token in tokens {
+        let len: u32 = token.len.into();
+        let len = len as usize;
+        let token_text = &text[offset..offset + len];
+        offset += len;
+        write!(acc, "{:?} {} {:?}\n", token.kind, token.len, token_text).unwrap()
+    }
+    acc
 }

crates/libsyntax2/tests/testutils/Cargo.toml

@@ -1,7 +0,0 @@
-[package]
-name = "testutils"
-version = "0.1.0"
-authors = ["Aleksey Kladov <aleksey.kladov@gmail.com>"]
-
-[dependencies]
-difference = "2.0.0"