diff --git a/src/cmd_args.rs b/src/cmd_args.rs
index 28a41ec..70a8033 100644
--- a/src/cmd_args.rs
+++ b/src/cmd_args.rs
@@ -57,9 +57,7 @@ pub(crate) enum Commands {
     Check {},
 
     /// Generate completion script.
-    Completion {
-        shell: clap_complete::Shell,
-    }
+    Completion { shell: clap_complete::Shell },
 }
 
 #[derive(Args, Debug)]
diff --git a/src/cmd_backup.rs b/src/cmd_backup.rs
index bcfd42b..7ae9767 100644
--- a/src/cmd_backup.rs
+++ b/src/cmd_backup.rs
@@ -216,7 +216,7 @@ fn write_backups_list(
             None => {
                 let style = Style::new().red();
                 (style.apply_to("---".to_string()), style)
-            },
+            }
         };
         if !longprint {
             writeln!(
diff --git a/src/storages.rs b/src/storages.rs
index 7562b0e..4031d61 100644
--- a/src/storages.rs
+++ b/src/storages.rs
@@ -1,6 +1,5 @@
 //! Manipulates storages.
 
-use console::{style, Style, StyledObject};
 use crate::devices;
 use crate::storages::{
     directory::Directory, online_storage::OnlineStorage,
@@ -8,6 +7,7 @@ use crate::storages::{
 };
 use anyhow::{anyhow, Context, Result};
 use clap::ValueEnum;
+use console::{style, Style, StyledObject};
 use core::panic;
 use serde::{Deserialize, Serialize};
 use std::{collections::BTreeMap, fmt, fs, io, path};
diff --git a/src/storages/directory.rs b/src/storages/directory.rs
index 7887c7b..4cd7803 100644
--- a/src/storages/directory.rs
+++ b/src/storages/directory.rs
@@ -180,9 +180,7 @@ mod test {
             local_infos,
         );
         let mut storages = Storages::new();
-        storages
-            .add(storages::Storage::Physical(physical))
-            .unwrap();
+        storages.add(storages::Storage::Physical(physical)).unwrap();
         storages.add(Storage::SubDirectory(directory)).unwrap();
         // assert_eq!(directory.name(), "test_name");
         assert_eq!(
diff --git a/tests/cli.rs b/tests/cli.rs
index 45bc945..ae5bd81 100644
--- a/tests/cli.rs
+++ b/tests/cli.rs
@@ -5,11 +5,11 @@ mod integrated_test {
     };
 
     use anyhow::{Context, Ok, Result};
-    use assert_cmd::{assert::OutputAssertExt, Command};
+    use assert_cmd::{assert::OutputAssertExt, cargo::CommandCargoExt, Command};
     use dirs::home_dir;
     use git2::Repository;
     use log::trace;
-    use predicates::prelude::predicate;
+    use predicates::{boolean::PredicateBooleanExt, prelude::predicate};
 
     /// Setup global gitconfig if it doesn't exist.
     ///
@@ -157,7 +157,14 @@ mod integrated_test {
         // set up upstream branch
         let (mut repo_1_branch, _branch_type) = repo_1.branches(None)?.next().unwrap()?;
         println!("head {}", repo_1.head().unwrap().name().unwrap());
-        repo_1_branch.set_upstream(Some(format!("{}/{}", upstream_name, repo_1_branch.name().unwrap().unwrap()).as_str()))?;
+        repo_1_branch.set_upstream(Some(
+            format!(
+                "{}/{}",
+                upstream_name,
+                repo_1_branch.name().unwrap().unwrap()
+            )
+            .as_str(),
+        ))?;
 
         // 2nd device
         let config_dir_2 = assert_fs::TempDir::new()?;
@@ -231,7 +238,14 @@ mod integrated_test {
         println!("{:?}", bare_repo_dir.read_dir()?);
         // set up upstream branch
         let (mut repo_1_branch, _branch_type) = repo_1.branches(None)?.next().unwrap()?;
-        repo_1_branch.set_upstream(Some(format!("{}/{}", upstream_name, repo_1_branch.name().unwrap().unwrap()).as_str()))?;
+        repo_1_branch.set_upstream(Some(
+            format!(
+                "{}/{}",
+                upstream_name,
+                repo_1_branch.name().unwrap().unwrap()
+            )
+            .as_str(),
+        ))?;
 
         // 2nd device
         let config_dir_2 = assert_fs::TempDir::new()?;
@@ -358,6 +372,7 @@ mod integrated_test {
             .assert()
             .success();
 
+        // storage list
         Command::cargo_bin("xdbm")?
             .arg("-c")
             .arg(config_dir_2.path())
@@ -365,7 +380,9 @@ mod integrated_test {
             .arg("list")
             .arg("-l")
             .assert()
-            .success();
+            .success()
+            .stdout(predicate::str::contains("gdrive_docs").and(predicate::str::contains("nas")));
+
         // backup add
         let backup_src = &sample_storage_2.join("foo").join("bar");
         DirBuilder::new().recursive(true).create(backup_src)?;
@@ -387,6 +404,7 @@ mod integrated_test {
             .assert()
             .success();
 
+        // backup add but with existing name
         Command::cargo_bin("xdbm")?
             .arg("-c")
             .arg(config_dir_2.path())
@@ -404,6 +422,32 @@ mod integrated_test {
             .failure()
             .stderr(predicate::str::contains("already"));
 
+        // backup list
+        Command::cargo_bin("xdbm")?
+            .arg("-c")
+            .arg(config_dir_2.path())
+            .arg("backup")
+            .arg("list")
+            .assert()
+            .success()
+            .stdout(
+                predicate::str::contains("foodoc")
+                    .and(predicate::str::contains("nas"))
+                    .and(predicate::str::contains("gdrive_docs"))
+                    .and(predicate::str::contains("---")),
+            );
+
+        // backup done
+        Command::cargo_bin("xdbm")?
+            .arg("-c")
+            .arg(config_dir_2.path())
+            .arg("backup")
+            .arg("done")
+            .arg("foodoc")
+            .arg("0")
+            .assert()
+            .success();
+
         Ok(())
     }
 }