Refactor tests.

Split tests up into 2 files, 'exact output match' and 'substring ouput
match'

tests/test_exact_output.rs

@@ -0,0 +1,272 @@
+use assert_cmd::Command;
+use std::str;
+use std::sync::Once;
+
+static INIT: Once = Once::new();
+
+mod tests_symlinks;
+
+/**
+ * This file contains tests that verify the exact output of the command.
+ * This output differs on Linux / Mac so the tests are harder to write and debug
+ * Windows is ignored here because the results vary by host making exact testing impractical
+ *
+ * Despite the above problems, these tests are good as they are the closest to 'the real thing'.
+ */
+
+//  Warning: File sizes differ on both platform and on the format of the disk.
+/// Copy to /tmp dir - we assume that the formatting of the /tmp partition
+/// is consistent. If the tests fail your /tmp filesystem probably differs
+fn copy_test_data(dir: &str) {
+    // First remove the existing directory - just incase it is there and has incorrect data
+    let last_slash = dir.rfind('/').unwrap();
+    let last_part_of_dir = dir.chars().skip(last_slash).collect::<String>();
+    match Command::new("rm")
+        .arg("-rf")
+        .arg("/tmp/".to_owned() + &*last_part_of_dir)
+        .ok()
+    {
+        Ok(_) => {}
+        Err(_) => {}
+    };
+    match Command::new("cp").arg("-r").arg(dir).arg("/tmp/").ok() {
+        Ok(_) => {}
+        Err(err) => {
+            eprintln!("Error copying directory {:?}", err);
+        }
+    };
+}
+
+pub fn initialize() {
+    INIT.call_once(|| {
+        copy_test_data("tests/test_dir");
+        copy_test_data("tests/test_dir2");
+        copy_test_data("tests/test_dir_unicode");
+    });
+}
+
+// "windows" result data can vary by host (size seems to be variable by one byte); fix code vs test and re-enable
+#[cfg_attr(target_os = "windows", ignore)]
+#[test]
+pub fn test_main_basic() {
+    // -c is no color mode - This makes testing much simpler
+    initialize();
+    let mut cmd = Command::cargo_bin("dust").unwrap();
+    let assert = cmd.arg("-c").arg("/tmp/test_dir/").unwrap().stdout;
+    let output = str::from_utf8(&assert).unwrap();
+    assert!(output.contains(&main_output()));
+}
+
+#[cfg_attr(target_os = "windows", ignore)]
+#[test]
+pub fn test_main_multi_arg() {
+    initialize();
+    let mut cmd = Command::cargo_bin("dust").unwrap();
+    let assert = cmd
+        .arg("-c")
+        .arg("/tmp/test_dir/many/")
+        .arg("/tmp/test_dir")
+        .arg("/tmp/test_dir")
+        .unwrap()
+        .stdout;
+    let output = str::from_utf8(&assert).unwrap();
+    assert!(output.contains(&main_output()));
+}
+
+#[cfg(target_os = "macos")]
+fn main_output() -> String {
+    r#"
+   0B     ┌── a_file    │░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█ │   0%
+ 4.0K     ├── hello_file│████████████████████████████████████████████████ │ 100%
+ 4.0K   ┌─┴ many        │████████████████████████████████████████████████ │ 100%
+ 4.0K ┌─┴ test_dir      │████████████████████████████████████████████████ │ 100%
+ "#
+    .trim()
+    .to_string()
+}
+
+#[cfg(target_os = "linux")]
+fn main_output() -> String {
+    r#"
+   0B     ┌── a_file    │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█ │   0%
+ 4.0K     ├── hello_file│               ░░░░░░░░░░░░░░░░█████████████████ │  33%
+ 8.0K   ┌─┴ many        │               █████████████████████████████████ │  67%
+  12K ┌─┴ test_dir      │████████████████████████████████████████████████ │ 100%
+  "#
+    .trim()
+    .to_string()
+}
+
+#[cfg(target_os = "windows")]
+fn main_output() -> String {
+    "windows results vary by host".to_string()
+}
+
+#[cfg_attr(target_os = "windows", ignore)]
+#[test]
+pub fn test_main_long_paths() {
+    initialize();
+    let mut cmd = Command::cargo_bin("dust").unwrap();
+    let assert = cmd
+        .arg("-c")
+        .arg("-p")
+        .arg("/tmp/test_dir/")
+        .unwrap()
+        .stdout;
+    let output = str::from_utf8(&assert).unwrap();
+    println!("{:?}", output.trim());
+    println!("{:?}", main_output_long_paths().trim());
+    assert!(output.contains(&main_output_long_paths()));
+}
+
+#[cfg(target_os = "macos")]
+fn main_output_long_paths() -> String {
+    r#"
+   0B     ┌── /tmp/test_dir/many/a_file    │░░░░░░░░░░░░░░░░░░░░░░░░░░░░█ │   0%
+ 4.0K     ├── /tmp/test_dir/many/hello_file│█████████████████████████████ │ 100%
+ 4.0K   ┌─┴ /tmp/test_dir/many             │█████████████████████████████ │ 100%
+ 4.0K ┌─┴ /tmp/test_dir                    │█████████████████████████████ │ 100%
+"#
+    .trim()
+    .to_string()
+}
+
+#[cfg(target_os = "linux")]
+fn main_output_long_paths() -> String {
+    r#"   
+   0B     ┌── /tmp/test_dir/many/a_file    │         ░░░░░░░░░░░░░░░░░░░█ │   0%
+ 4.0K     ├── /tmp/test_dir/many/hello_file│         ░░░░░░░░░░██████████ │  33%
+ 8.0K   ┌─┴ /tmp/test_dir/many             │         ████████████████████ │  67%
+  12K ┌─┴ /tmp/test_dir                    │█████████████████████████████ │ 100%
+"#
+    .trim()
+    .to_string()
+}
+
+#[cfg(target_os = "windows")]
+fn main_output_long_paths() -> String {
+    "windows results vary by host".to_string()
+}
+
+#[cfg_attr(target_os = "windows", ignore)]
+#[test]
+pub fn test_apparent_size() {
+    initialize();
+    let mut cmd = Command::cargo_bin("dust").unwrap();
+    let assert = cmd.arg("-c").arg("-s").arg("/tmp/test_dir").unwrap().stdout;
+    let output = str::from_utf8(&assert).unwrap();
+    assert!(output.contains(&output_apparent_size()));
+}
+
+#[cfg(target_os = "linux")]
+fn output_apparent_size() -> String {
+    r#"
+   0B     ┌── a_file    │                       ░░░░░░░░░░░░░░░░░░░░░░░░█ │   0%
+   6B     ├── hello_file│                       ░░░░░░░░░░░░░░░░░░░░░░░░█ │   0%
+ 4.0K   ┌─┴ many        │                       █████████████████████████ │  50%
+ 8.0K ┌─┴ test_dir      │████████████████████████████████████████████████ │ 100%     
+"#
+    .trim()
+    .to_string()
+}
+
+#[cfg(target_os = "macos")]
+fn output_apparent_size() -> String {
+    r#"
+   0B     ┌── a_file    │                    ░░░░░░░░░░░░░░░░░░░░░░░░░░░█ │   0%
+   6B     ├── hello_file│                    ░░░░░░░░░░░░░░░░░░░░░░░░░░██ │   3%
+ 134B   ┌─┴ many        │                    ████████████████████████████ │  58%
+ 230B ┌─┴ test_dir      │████████████████████████████████████████████████ │ 100%
+"#
+    .trim()
+    .to_string()
+}
+
+#[cfg(target_os = "windows")]
+fn output_apparent_size() -> String {
+    "windows results vary by host".to_string()
+}
+
+// Check against directories and files whos names are substrings of each other
+#[cfg_attr(target_os = "windows", ignore)]
+#[test]
+pub fn test_substring_of_names_and_long_names() {
+    initialize();
+    let mut cmd = Command::cargo_bin("dust").unwrap();
+    let output = cmd.arg("-c").arg("/tmp/test_dir2").unwrap().stdout;
+    let output = str::from_utf8(&output).unwrap();
+    assert!(output.contains(&no_substring_of_names_output()));
+}
+
+#[cfg(target_os = "linux")]
+fn no_substring_of_names_output() -> String {
+    "
+   0B   ┌── long_dir_name_what_a_very_long_dir_name_what_happens_when_this_g..
+ 4.0K   ├── dir_name_clash
+ 4.0K   │ ┌── hello
+ 8.0K   ├─┴ dir_substring
+ 4.0K   │ ┌── hello
+ 8.0K   ├─┴ dir
+  24K ┌─┴ test_dir2
+    "
+    .trim()
+    .into()
+}
+
+#[cfg(target_os = "macos")]
+fn no_substring_of_names_output() -> String {
+    "
+   0B   ┌── long_dir_name_what_a_very_long_dir_name_what_happens_when_this_g..
+ 4.0K   │ ┌── hello
+ 4.0K   ├─┴ dir_substring
+ 4.0K   ├── dir_name_clash
+ 4.0K   │ ┌── hello
+ 4.0K   ├─┴ dir
+  12K ┌─┴ test_dir2
+  "
+    .trim()
+    .into()
+}
+
+#[cfg(target_os = "windows")]
+fn no_substring_of_names_output() -> String {
+    "PRs".into()
+}
+
+#[cfg_attr(target_os = "windows", ignore)]
+#[test]
+pub fn test_unicode_directories() {
+    initialize();
+    let mut cmd = Command::cargo_bin("dust").unwrap();
+    let output = cmd.arg("-c").arg("/tmp/test_dir_unicode").unwrap().stdout;
+    let output = str::from_utf8(&output).unwrap();
+    assert!(output.contains(&unicode_dir()));
+}
+
+#[cfg(target_os = "linux")]
+fn unicode_dir() -> String {
+    // The way unicode & asian characters are rendered on the terminal should make this line up
+    "
+   0B   ┌── 👩.unicode                │                                 █ │   0%
+   0B   ├── ラウトは難しいです！.japan│                                 █ │   0%
+ 4.0K ┌─┴ test_dir_unicode            │██████████████████████████████████ │ 100%
+    "
+    .trim()
+    .into()
+}
+
+#[cfg(target_os = "macos")]
+fn unicode_dir() -> String {
+    "
+   0B   ┌── 👩.unicode                │                                 █ │   0%
+   0B   ├── ラウトは難しいです！.japan│                                 █ │   0%
+   0B ┌─┴ test_dir_unicode            │                                 █ │   0%
+    "
+    .trim()
+    .into()
+}
+
+#[cfg(target_os = "windows")]
+fn unicode_dir() -> String {
+    "".into()
+}

tests/test_flags.rs

@@ -0,0 +1,132 @@
+use assert_cmd::Command;
+use std::str;
+/**
+ * This file contains tests that test a substring of the output using '.contains'
+ *
+ * These tests should be the same cross platform
+ */
+
+// We can at least test the file names are there
+#[test]
+pub fn test_basic_output() {
+    let mut cmd = Command::cargo_bin("dust").unwrap();
+    let output = cmd.arg("tests/test_dir/").unwrap().stdout;
+    let output = str::from_utf8(&output).unwrap();
+
+    assert!(output.contains(" ┌─┴ "));
+    assert!(output.contains("test_dir "));
+    assert!(output.contains("  ┌─┴ "));
+    assert!(output.contains("many "));
+    assert!(output.contains("    ├── "));
+    assert!(output.contains("hello_file"));
+    assert!(output.contains("     ┌── "));
+    assert!(output.contains("a_file "));
+}
+
+#[test]
+pub fn test_output_no_bars_means_no_excess_spaces() {
+    let mut cmd = Command::cargo_bin("dust").unwrap();
+    let output = cmd.arg("-b").arg("tests/test_dir/").unwrap().stdout;
+    let output = str::from_utf8(&output).unwrap();
+    // If bars are not being shown we don't need to pad the output with spaces
+    assert!(output.contains("many"));
+    assert!(!output.contains("many    "));
+}
+
+#[test]
+pub fn test_reverse_flag() {
+    let mut cmd = Command::cargo_bin("dust").unwrap();
+    let output = cmd
+        .arg("-c")
+        .arg("-r")
+        .arg("tests/test_dir/")
+        .unwrap()
+        .stdout;
+    let output = str::from_utf8(&output).unwrap();
+
+    assert!(output.contains(" └─┬ test_dir "));
+    assert!(output.contains("  └─┬ many "));
+    assert!(output.contains("    ├── hello_file"));
+    assert!(output.contains("    └── a_file "));
+}
+
+#[test]
+pub fn test_d_flag_works() {
+    // We should see the top level directory but not the sub dirs / files:
+    let mut cmd = Command::cargo_bin("dust").unwrap();
+    let output = cmd
+        .arg("-d")
+        .arg("1")
+        .arg("-s")
+        .arg("tests/test_dir/")
+        .unwrap()
+        .stdout;
+    let output = str::from_utf8(&output).unwrap();
+    assert!(!output.contains("hello_file"));
+}
+
+// Check against directories and files whos names are substrings of each other
+#[test]
+pub fn test_ignore_dir() {
+    let mut cmd = Command::cargo_bin("dust").unwrap();
+    let output = cmd
+        .arg("-c")
+        .arg("-X")
+        .arg("dir_substring")
+        .arg("tests/test_dir2")
+        .unwrap()
+        .stdout;
+    let output = str::from_utf8(&output).unwrap();
+    assert!(!output.contains("dir_substring"));
+}
+
+#[test]
+pub fn test_with_bad_param() {
+    let mut cmd = Command::cargo_bin("dust").unwrap();
+    let stderr = cmd.arg("-").unwrap().stderr;
+    let stderr = str::from_utf8(&stderr).unwrap();
+    assert!(stderr.contains("Did not have permissions for all directories"));
+}
+
+#[test]
+pub fn test_hidden_flag() {
+    // Check we can see the hidden file normally
+    let mut cmd = Command::cargo_bin("dust").unwrap();
+    let output = cmd
+        .arg("-c")
+        .arg("tests/test_dir_hidden_entries")
+        .unwrap()
+        .stdout;
+    let output = str::from_utf8(&output).unwrap();
+    assert!(output.contains(".hidden_file"));
+    assert!(output.contains("┌─┴ test_dir_hidden_entries"));
+
+    // Check that adding the '-h' flag causes us to not see hidden files
+    let mut cmd = Command::cargo_bin("dust").unwrap();
+    let output = cmd
+        .arg("-c")
+        .arg("-i")
+        .arg("tests/test_dir_hidden_entries")
+        .unwrap()
+        .stdout;
+    let output = str::from_utf8(&output).unwrap();
+    assert!(!output.contains(".hidden_file"));
+    assert!(output.contains("┌── test_dir_hidden_entries"));
+}
+
+#[test]
+pub fn test_number_of_files() {
+    // Check we can see the hidden file normally
+    let mut cmd = Command::cargo_bin("dust").unwrap();
+    let output = cmd
+        .arg("-c")
+        .arg("-f")
+        .arg("tests/test_dir")
+        .unwrap()
+        .stdout;
+    let output = str::from_utf8(&output).unwrap();
+    assert!(output.contains("1     ┌── hello_file"));
+    assert!(output.contains("1     ├── a_file "));
+    assert!(output.contains("3   ┌─┴ many"));
+    assert!(output.contains("4 ┌─┴ test_dir"));
+}

tests/tests.rs

@@ -1,387 +1 @@
-use assert_cmd::Command;
-use std::str;
-use std::sync::Once;
 
-static INIT: Once = Once::new();
-
-mod tests_symlinks;
-
-//  Warning: File sizes differ on both platform and on the format of the disk.
-/// Copy to /tmp dir - we assume that the formatting of the /tmp partition
-/// is consistent. If the tests fail your /tmp filesystem probably differs
-fn copy_test_data(dir: &str) {
-    // First remove the existing directory - just incase it is there and has incorrect data
-    let last_slash = dir.rfind('/').unwrap();
-    let last_part_of_dir = dir.chars().skip(last_slash).collect::<String>();
-    match Command::new("rm")
-        .arg("-rf")
-        .arg("/tmp/".to_owned() + &*last_part_of_dir)
-        .ok()
-    {
-        Ok(_) => {}
-        Err(_) => {}
-    };
-    match Command::new("cp").arg("-r").arg(dir).arg("/tmp/").ok() {
-        Ok(_) => {}
-        Err(err) => {
-            eprintln!("Error copying directory {:?}", err);
-        }
-    };
-}
-
-pub fn initialize() {
-    INIT.call_once(|| {
-        copy_test_data("tests/test_dir");
-        copy_test_data("tests/test_dir2");
-        copy_test_data("tests/test_dir_unicode");
-    });
-}
-
-// We can at least test the file names are there
-#[test]
-pub fn test_basic_output() {
-    let mut cmd = Command::cargo_bin("dust").unwrap();
-    let output = cmd.arg("tests/test_dir/").unwrap().stdout;
-    let output = str::from_utf8(&output).unwrap();
-
-    assert!(output.contains(" ┌─┴ "));
-    assert!(output.contains("test_dir "));
-    assert!(output.contains("  ┌─┴ "));
-    assert!(output.contains("many "));
-    assert!(output.contains("    ├── "));
-    assert!(output.contains("hello_file"));
-    assert!(output.contains("     ┌── "));
-    assert!(output.contains("a_file "));
-}
-
-#[test]
-pub fn test_output_no_bars_means_no_excess_spaces() {
-    let mut cmd = Command::cargo_bin("dust").unwrap();
-    let output = cmd.arg("-b").arg("tests/test_dir/").unwrap().stdout;
-    let output = str::from_utf8(&output).unwrap();
-    // If bars are not being shown we don't need to pad the output with spaces
-    assert!(output.contains("many"));
-    assert!(!output.contains("many    "));
-}
-
-// "windows" result data can vary by host (size seems to be variable by one byte); fix code vs test and re-enable
-#[cfg_attr(target_os = "windows", ignore)]
-#[test]
-pub fn test_main_basic() {
-    // -c is no color mode - This makes testing much simpler
-    initialize();
-    let mut cmd = Command::cargo_bin("dust").unwrap();
-    let assert = cmd.arg("-c").arg("/tmp/test_dir/").unwrap().stdout;
-    let output = str::from_utf8(&assert).unwrap();
-    assert!(output.contains(&main_output()));
-}
-
-#[cfg_attr(target_os = "windows", ignore)]
-#[test]
-pub fn test_main_multi_arg() {
-    initialize();
-    let mut cmd = Command::cargo_bin("dust").unwrap();
-    let assert = cmd
-        .arg("-c")
-        .arg("/tmp/test_dir/many/")
-        .arg("/tmp/test_dir")
-        .arg("/tmp/test_dir")
-        .unwrap()
-        .stdout;
-    let output = str::from_utf8(&assert).unwrap();
-    assert!(output.contains(&main_output()));
-}
-
-#[cfg(target_os = "macos")]
-fn main_output() -> String {
-    r#"
-   0B     ┌── a_file    │░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█ │   0%
- 4.0K     ├── hello_file│████████████████████████████████████████████████ │ 100%
- 4.0K   ┌─┴ many        │████████████████████████████████████████████████ │ 100%
- 4.0K ┌─┴ test_dir      │████████████████████████████████████████████████ │ 100%
- "#
-    .trim()
-    .to_string()
-}
-
-#[cfg(target_os = "linux")]
-fn main_output() -> String {
-    r#"
-   0B     ┌── a_file    │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█ │   0%
- 4.0K     ├── hello_file│               ░░░░░░░░░░░░░░░░█████████████████ │  33%
- 8.0K   ┌─┴ many        │               █████████████████████████████████ │  67%
-  12K ┌─┴ test_dir      │████████████████████████████████████████████████ │ 100%
-  "#
-    .trim()
-    .to_string()
-}
-
-#[cfg(target_os = "windows")]
-fn main_output() -> String {
-    "windows results vary by host".to_string()
-}
-
-#[cfg_attr(target_os = "windows", ignore)]
-#[test]
-pub fn test_main_long_paths() {
-    initialize();
-    let mut cmd = Command::cargo_bin("dust").unwrap();
-    let assert = cmd
-        .arg("-c")
-        .arg("-p")
-        .arg("/tmp/test_dir/")
-        .unwrap()
-        .stdout;
-    let output = str::from_utf8(&assert).unwrap();
-    println!("{:?}", output.trim());
-    println!("{:?}", main_output_long_paths().trim());
-    assert!(output.contains(&main_output_long_paths()));
-}
-
-#[cfg(target_os = "macos")]
-fn main_output_long_paths() -> String {
-    r#"
-   0B     ┌── /tmp/test_dir/many/a_file    │░░░░░░░░░░░░░░░░░░░░░░░░░░░░█ │   0%
- 4.0K     ├── /tmp/test_dir/many/hello_file│█████████████████████████████ │ 100%
- 4.0K   ┌─┴ /tmp/test_dir/many             │█████████████████████████████ │ 100%
- 4.0K ┌─┴ /tmp/test_dir                    │█████████████████████████████ │ 100%
-"#
-    .trim()
-    .to_string()
-}
-
-#[cfg(target_os = "linux")]
-fn main_output_long_paths() -> String {
-    r#"   
-   0B     ┌── /tmp/test_dir/many/a_file    │         ░░░░░░░░░░░░░░░░░░░█ │   0%
- 4.0K     ├── /tmp/test_dir/many/hello_file│         ░░░░░░░░░░██████████ │  33%
- 8.0K   ┌─┴ /tmp/test_dir/many             │         ████████████████████ │  67%
-  12K ┌─┴ /tmp/test_dir                    │█████████████████████████████ │ 100%
-"#
-    .trim()
-    .to_string()
-}
-
-#[cfg(target_os = "windows")]
-fn main_output_long_paths() -> String {
-    "windows results vary by host".to_string()
-}
-
-#[cfg_attr(target_os = "windows", ignore)]
-#[test]
-pub fn test_apparent_size() {
-    initialize();
-    let mut cmd = Command::cargo_bin("dust").unwrap();
-    let assert = cmd.arg("-c").arg("-s").arg("/tmp/test_dir").unwrap().stdout;
-    let output = str::from_utf8(&assert).unwrap();
-    assert!(output.contains(&output_apparent_size()));
-}
-
-#[cfg(target_os = "linux")]
-fn output_apparent_size() -> String {
-    r#"
-   0B     ┌── a_file    │                       ░░░░░░░░░░░░░░░░░░░░░░░░█ │   0%
-   6B     ├── hello_file│                       ░░░░░░░░░░░░░░░░░░░░░░░░█ │   0%
- 4.0K   ┌─┴ many        │                       █████████████████████████ │  50%
- 8.0K ┌─┴ test_dir      │████████████████████████████████████████████████ │ 100%     
-"#
-    .trim()
-    .to_string()
-}
-
-#[cfg(target_os = "macos")]
-fn output_apparent_size() -> String {
-    r#"
-   0B     ┌── a_file    │                    ░░░░░░░░░░░░░░░░░░░░░░░░░░░█ │   0%
-   6B     ├── hello_file│                    ░░░░░░░░░░░░░░░░░░░░░░░░░░██ │   3%
- 134B   ┌─┴ many        │                    ████████████████████████████ │  58%
- 230B ┌─┴ test_dir      │████████████████████████████████████████████████ │ 100%
-"#
-    .trim()
-    .to_string()
-}
-
-#[cfg(target_os = "windows")]
-fn output_apparent_size() -> String {
-    "windows results vary by host".to_string()
-}
-
-#[test]
-pub fn test_reverse_flag() {
-    let mut cmd = Command::cargo_bin("dust").unwrap();
-    let output = cmd
-        .arg("-c")
-        .arg("-r")
-        .arg("tests/test_dir/")
-        .unwrap()
-        .stdout;
-    let output = str::from_utf8(&output).unwrap();
-
-    assert!(output.contains(" └─┬ test_dir "));
-    assert!(output.contains("  └─┬ many "));
-    assert!(output.contains("    ├── hello_file"));
-    assert!(output.contains("    └── a_file "));
-}
-
-#[test]
-pub fn test_d_flag_works() {
-    // We should see the top level directory but not the sub dirs / files:
-    let mut cmd = Command::cargo_bin("dust").unwrap();
-    let output = cmd
-        .arg("-d")
-        .arg("1")
-        .arg("-s")
-        .arg("tests/test_dir/")
-        .unwrap()
-        .stdout;
-    let output = str::from_utf8(&output).unwrap();
-    assert!(!output.contains("hello_file"));
-}
-
-// Check against directories and files whos names are substrings of each other
-#[cfg_attr(target_os = "windows", ignore)]
-#[test]
-pub fn test_substring_of_names_and_long_names() {
-    initialize();
-    let mut cmd = Command::cargo_bin("dust").unwrap();
-    let output = cmd.arg("-c").arg("/tmp/test_dir2").unwrap().stdout;
-    let output = str::from_utf8(&output).unwrap();
-    assert!(output.contains(&no_substring_of_names_output()));
-}
-
-#[cfg(target_os = "linux")]
-fn no_substring_of_names_output() -> String {
-    "
-   0B   ┌── long_dir_name_what_a_very_long_dir_name_what_happens_when_this_g..
- 4.0K   ├── dir_name_clash
- 4.0K   │ ┌── hello
- 8.0K   ├─┴ dir_substring
- 4.0K   │ ┌── hello
- 8.0K   ├─┴ dir
-  24K ┌─┴ test_dir2
-    "
-    .trim()
-    .into()
-}
-
-#[cfg(target_os = "macos")]
-fn no_substring_of_names_output() -> String {
-    "
-   0B   ┌── long_dir_name_what_a_very_long_dir_name_what_happens_when_this_g..
- 4.0K   │ ┌── hello
- 4.0K   ├─┴ dir_substring
- 4.0K   ├── dir_name_clash
- 4.0K   │ ┌── hello
- 4.0K   ├─┴ dir
-  12K ┌─┴ test_dir2
-  "
-    .trim()
-    .into()
-}
-
-#[cfg(target_os = "windows")]
-fn no_substring_of_names_output() -> String {
-    "PRs".into()
-}
-
-#[cfg_attr(target_os = "windows", ignore)]
-#[test]
-pub fn test_unicode_directories() {
-    initialize();
-    let mut cmd = Command::cargo_bin("dust").unwrap();
-    let output = cmd.arg("-c").arg("/tmp/test_dir_unicode").unwrap().stdout;
-    let output = str::from_utf8(&output).unwrap();
-    assert!(output.contains(&unicode_dir()));
-}
-
-#[cfg(target_os = "linux")]
-fn unicode_dir() -> String {
-    // The way unicode & asian characters are rendered on the terminal should make this line up
-    "
-   0B   ┌── 👩.unicode                │                                 █ │   0%
-   0B   ├── ラウトは難しいです！.japan│                                 █ │   0%
- 4.0K ┌─┴ test_dir_unicode            │██████████████████████████████████ │ 100%
-    "
-    .trim()
-    .into()
-}
-
-#[cfg(target_os = "macos")]
-fn unicode_dir() -> String {
-    "
-   0B   ┌── 👩.unicode                │                                 █ │   0%
-   0B   ├── ラウトは難しいです！.japan│                                 █ │   0%
-   0B ┌─┴ test_dir_unicode            │                                 █ │   0%
-    "
-    .trim()
-    .into()
-}
-
-#[cfg(target_os = "windows")]
-fn unicode_dir() -> String {
-    "".into()
-}
-
-// Check against directories and files whos names are substrings of each other
-#[test]
-pub fn test_ignore_dir() {
-    let mut cmd = Command::cargo_bin("dust").unwrap();
-    let output = cmd
-        .arg("-c")
-        .arg("-X")
-        .arg("dir_substring")
-        .arg("tests/test_dir2")
-        .unwrap()
-        .stdout;
-    let output = str::from_utf8(&output).unwrap();
-    assert!(!output.contains("dir_substring"));
-}
-
-#[test]
-pub fn test_with_bad_param() {
-    let mut cmd = Command::cargo_bin("dust").unwrap();
-    let stderr = cmd.arg("-").unwrap().stderr;
-    let stderr = str::from_utf8(&stderr).unwrap();
-    assert!(stderr.contains("Did not have permissions for all directories"));
-}
-
-#[test]
-pub fn test_hidden_flag() {
-    // Check we can see the hidden file normally
-    let mut cmd = Command::cargo_bin("dust").unwrap();
-    let output = cmd
-        .arg("-c")
-        .arg("tests/test_dir_hidden_entries")
-        .unwrap()
-        .stdout;
-    let output = str::from_utf8(&output).unwrap();
-    assert!(output.contains(".hidden_file"));
-
-    // Check that adding the '-h' flag causes us to not see hidden files
-    let mut cmd = Command::cargo_bin("dust").unwrap();
-    let output = cmd
-        .arg("-c")
-        .arg("-h")
-        .arg("tests/test_dir_hidden_entries")
-        .unwrap()
-        .stdout;
-    let output = str::from_utf8(&output).unwrap();
-    assert!(!output.contains(".hidden_file"));
-}
-
-#[test]
-pub fn test_number_of_files() {
-    // Check we can see the hidden file normally
-    let mut cmd = Command::cargo_bin("dust").unwrap();
-    let output = cmd
-        .arg("-c")
-        .arg("-f")
-        .arg("tests/test_dir")
-        .unwrap()
-        .stdout;
-    let output = str::from_utf8(&output).unwrap();
-    assert!(output.contains("1     ┌── hello_file"));
-    assert!(output.contains("1     ├── a_file "));
-    assert!(output.contains("3   ┌─┴ many"));
-    assert!(output.contains("4 ┌─┴ test_dir"));
-}