dircolors: turn integration test into unit tests

Author: cakebaker

src/uu/dircolors/src/dircolors.rs

@@ -539,7 +539,7 @@ pub fn generate_dircolors_config() -> String {
 
 #[cfg(test)]
 mod tests {
-    use super::escape;
+    use super::*;
 
     #[test]
     fn test_escape() {
@@ -548,4 +548,24 @@ mod tests {
         assert_eq!("\\:", escape(":"));
         assert_eq!("\\:", escape("\\:"));
     }
+
+    #[test]
+    fn test_purify() {
+        let s = "  asd#zcv #hk\t\n  ";
+        assert_eq!("asd#zcv", s.purify());
+    }
+
+    #[test]
+    fn test_fnmatch() {
+        let s = "con256asd";
+        assert!(s.fnmatch("*[2][3-6][5-9]?sd")); // spell-checker:disable-line
+    }
+
+    #[test]
+    fn test_split_two() {
+        let s = "zxc \t\nqwe jlk    hjl"; // spell-checker:disable-line
+        let (k, v) = s.split_two();
+        assert_eq!("zxc", k);
+        assert_eq!("qwe jlk    hjl", v);
+    }
 }

tests/by-util/test_dircolors.rs

@@ -2,12 +2,14 @@
 //
 // For the full copyright and license information, please view the LICENSE
 // file that was distributed with this source code.
+
 // spell-checker:ignore overridable colorterm
+
 #[cfg(target_os = "linux")]
 use uutests::at_and_ucmd;
 use uutests::new_ucmd;
 
-use dircolors::{OutputFmt, StrUtils, guess_syntax};
+use dircolors::{OutputFmt, guess_syntax};
 
 #[test]
 #[cfg(target_os = "linux")]
@@ -74,20 +76,6 @@ fn test_shell_syntax() {
     }
 }
 
-#[test]
-fn test_str_utils() {
-    let s = "  asd#zcv #hk\t\n  ";
-    assert_eq!("asd#zcv", s.purify());
-
-    let s = "con256asd";
-    assert!(s.fnmatch("*[2][3-6][5-9]?sd")); // spell-checker:disable-line
-
-    let s = "zxc \t\nqwe jlk    hjl"; // spell-checker:disable-line
-    let (k, v) = s.split_two();
-    assert_eq!("zxc", k);
-    assert_eq!("qwe jlk    hjl", v);
-}
-
 #[test]
 fn test1() {
     test_helper("test1", "gnome");