tests: add test for d0

Test to stop bug in previous commit occuring
Also cargo clippy

Cargo.lock

@@ -322,7 +322,7 @@ checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
 
 [[package]]
 name = "du-dust"
-version = "1.2.3"
+version = "1.2.2"
 dependencies = [
  "ansi_term",
  "assert_cmd",

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "du-dust"
 description = "A more intuitive version of du"
-version = "1.2.3"
+version = "1.2.2"
 authors = ["bootandy <bootandy@gmail.com>", "nebkor <code@ardent.nebcorp.com>"]
 edition = "2024"
 readme = "README.md"

man-page/dust.1

@@ -1,6 +1,6 @@
 .ie \n(.g .ds Aq \(aq
 .el .ds Aq '
-.TH Dust 1  "Dust 1.2.3" 
+.TH Dust 1  "Dust 1.2.2" 
 .SH NAME
 Dust \- Like du but more intuitive
 .SH SYNOPSIS
@@ -167,4 +167,4 @@ Print version
 [\fIPATH\fR]
 Input files or directories
 .SH VERSION
-v1.2.3
+v1.2.2

src/main.rs

@@ -307,21 +307,16 @@ fn main() {
         indicator.stop();
 
         let print_errors = config.get_print_errors(&options);
-        let final_errors = walk_data.errors.lock().unwrap();
-        print_any_errors(print_errors, &final_errors);
+        print_any_errors(print_errors, walk_data.errors);
 
-        if tree.children.is_empty() && !final_errors.file_not_found.is_empty() {
-            std::process::exit(1)
-        } else {
-            print_output(
-                config,
-                options,
-                tree,
-                walk_data.by_filecount,
-                is_colors,
-                terminal_width,
-            )
-        }
+        print_output(
+            config,
+            options,
+            tree,
+            walk_data.by_filecount,
+            is_colors,
+            terminal_width,
+        )
     });
 }
 
@@ -362,7 +357,8 @@ fn print_output(
     }
 }
 
-fn print_any_errors(print_errors: bool, final_errors: &RuntimeErrors) {
+fn print_any_errors(print_errors: bool, errors: Arc<Mutex<RuntimeErrors>>) {
+    let final_errors = errors.lock().unwrap();
     if !final_errors.file_not_found.is_empty() {
         let err = final_errors
             .file_not_found

tests/test_flags.rs

@@ -107,9 +107,7 @@ pub fn test_ignore_all_in_file() {
 #[test]
 pub fn test_with_bad_param() {
     let mut cmd = Command::cargo_bin("dust").unwrap();
-    cmd.arg("-P").arg("bad_place");
-    let output_error = cmd.unwrap_err();
-    let result = output_error.as_output().unwrap();
+    let result = cmd.arg("bad_place").unwrap();
     let stderr = str::from_utf8(&result.stderr).unwrap();
     assert!(stderr.contains("No such file or directory"));
 }