Test match using regular expressions

Cargo.toml

@@ -40,3 +40,4 @@ features = [
 assert_cmd = "2.0.14"
 tempfile = "3.10.1"
 mockall = "0.12.1"
+regex = "1.10.4"

tests/integration_test.rs

@@ -4,6 +4,8 @@ use utils::start_listener_process;
 use assert_cmd::Command;
 use tempfile::tempdir;
 
+use regex::bytes::Regex;
+
 #[test]
 fn test_basic_kill_no_process() {
     let mut cmd = Command::cargo_bin("killport").unwrap();
@@ -21,12 +23,12 @@ fn test_basic_kill_process() {
     let mut child = start_listener_process(tempdir_path, 8080);
 
     let mut cmd = Command::cargo_bin("killport").unwrap();
-    cmd.args(&["8080"])
-        .assert()
-        .success()
-        .stdout("Successfully killed process 'mock_process' listening on port 8080\n");
-
-    // Clean up
+    let command = cmd.args(&["8080"]).assert().success();
+    let re = Regex::new(
+        r"Successfully killed process '(\/tmp\/\.tmp\w+\/)?mock_process' listening on port 8080\n",
+    )
+    .unwrap();
+    assert!(re.is_match(&command.get_output().stdout));
     let _ = child.kill();
     let _ = child.wait();
 }
@@ -40,13 +42,9 @@ fn test_signal_handling() {
     for signal in ["sighup", "sigint", "sigkill"].iter() {
         let mut child = start_listener_process(tempdir_path, 8081);
         let mut cmd = Command::cargo_bin("killport").unwrap();
-        cmd.args(&["8081", "-s", signal])
-            .assert()
-            .success()
-            .stdout(format!(
-                "Successfully killed process 'mock_process' listening on port 8081\n"
-            ));
-
+        let command = cmd.args(&["8081", "-s", signal]).assert().success();
+        let re=Regex::new(r"Successfully killed process '(\/tmp\/\.tmp\w+\/)?mock_process' listening on port 8081\n").unwrap();
+        assert!(re.is_match(&command.get_output().stdout));
         // Clean up
         let _ = child.kill();
         let _ = child.wait();
@@ -62,12 +60,9 @@ fn test_mode_option() {
     for mode in ["auto", "process"].iter() {
         let mut child = start_listener_process(tempdir_path, 8082);
         let mut cmd = Command::cargo_bin("killport").unwrap();
-        cmd.args(&["8082", "--mode", mode])
-            .assert()
-            .success()
-            .stdout(format!(
-                "Successfully killed process 'mock_process' listening on port 8082\n"
-            ));
+        let command = cmd.args(&["8082", "--mode", mode]).assert().success();
+        let re=Regex::new(r"Successfully killed process '(\/tmp\/\.tmp\w+\/)?mock_process' listening on port 8082\n").unwrap();
+        assert!(re.is_match(&command.get_output().stdout));
         // Clean up
         let _ = child.kill();
         let _ = child.wait();
@@ -100,11 +95,12 @@ fn test_dry_run_option() {
     let mut child = start_listener_process(tempdir_path, 8083);
 
     let mut cmd = Command::cargo_bin("killport").unwrap();
-    cmd.args(&["8083", "--dry-run"])
-        .assert()
-        .success()
-        .stdout("Would kill process 'mock_process' listening on port 8083\n");
-
+    let command = cmd.args(&["8083", "--dry-run"]).assert().success();
+    let re = Regex::new(
+        r"Would kill process '(\/tmp\/\.tmp\w+\/)?mock_process' listening on port 8083\n",
+    )
+    .unwrap();
+    assert!(re.is_match(&command.get_output().stdout));
     // Clean up
     let _ = child.kill();
     let _ = child.wait();