[rust] Selenium Manager errors when browser-path is wrong (#13352)

Author: bonigarcia

rust/src/config.rs

@@ -42,6 +42,7 @@ pub const CACHE_PATH_KEY: &str = "cache-path";
 
 pub struct ManagerConfig {
     pub cache_path: String,
+    pub fallback_driver_from_cache: bool,
     pub browser_version: String,
     pub driver_version: String,
     pub browser_path: String,
@@ -97,6 +98,7 @@ impl ManagerConfig {
 
         ManagerConfig {
             cache_path,
+            fallback_driver_from_cache: true,
             browser_version: StringKey(vec!["browser-version", &browser_version_label], "")
                 .get_value(),
             driver_version: StringKey(vec!["driver-version", &driver_version_label], "")

rust/src/lib.rs

@@ -1065,6 +1065,12 @@ pub trait SeleniumManager {
             if let Some(path) = self.detect_browser_path() {
                 browser_path = path_to_string(&path);
             }
+        } else if !Path::new(&browser_path).exists() {
+            self.set_fallback_driver_from_cache(false);
+            return Err(anyhow!(format_one_arg(
+                "Browser path does not exist: {}",
+                &browser_path,
+            )));
         }
         let escaped_browser_path = self.get_escaped_path(browser_path.to_string());
 
@@ -1466,6 +1472,14 @@ pub trait SeleniumManager {
             self.get_config_mut().avoid_stats = true;
         }
     }
+
+    fn is_fallback_driver_from_cache(&self) -> bool {
+        self.get_config().fallback_driver_from_cache
+    }
+
+    fn set_fallback_driver_from_cache(&mut self, fallback_driver_from_cache: bool) {
+        self.get_config_mut().fallback_driver_from_cache = fallback_driver_from_cache;
+    }
 }
 
 // ----------------------------------------------------------

rust/src/main.rs

@@ -243,25 +243,28 @@ fn main() {
         })
         .unwrap_or_else(|err| {
             let log = selenium_manager.get_logger();
-            if let Some(best_driver_from_cache) =
-                selenium_manager.find_best_driver_from_cache().unwrap()
-            {
-                log.debug_or_warn(
-                    format!(
-                        "There was an error managing {} ({}); using driver found in the cache",
-                        selenium_manager.get_driver_name(),
-                        err
-                    ),
-                    selenium_manager.is_offline(),
-                );
-                log_driver_and_browser_path(
-                    log,
-                    &best_driver_from_cache,
-                    &selenium_manager.get_browser_path_or_latest_from_cache(),
-                    selenium_manager.get_receiver(),
-                );
-                flush_and_exit(OK, log, Some(err));
-            } else if selenium_manager.is_offline() {
+            if selenium_manager.is_fallback_driver_from_cache() {
+                if let Some(best_driver_from_cache) =
+                    selenium_manager.find_best_driver_from_cache().unwrap()
+                {
+                    log.debug_or_warn(
+                        format!(
+                            "There was an error managing {} ({}); using driver found in the cache",
+                            selenium_manager.get_driver_name(),
+                            err
+                        ),
+                        selenium_manager.is_offline(),
+                    );
+                    log_driver_and_browser_path(
+                        log,
+                        &best_driver_from_cache,
+                        &selenium_manager.get_browser_path_or_latest_from_cache(),
+                        selenium_manager.get_receiver(),
+                    );
+                    flush_and_exit(OK, log, Some(err));
+                }
+            }
+            if selenium_manager.is_offline() {
                 log.warn(&err);
                 flush_and_exit(OK, log, Some(err));
             } else {

rust/tests/browser_tests.rs

@@ -151,3 +151,17 @@ fn browser_path_test(#[case] os: String, #[case] browser: String, #[case] browse
         assert!(!stdout.contains("WARN"));
     }
 }
+
+#[test]
+fn invalid_browser_path_test() {
+    let mut cmd = get_selenium_manager();
+    cmd.args([
+        "--browser",
+        "chrome",
+        "--browser-path",
+        "/bad/path/google-chrome-wrong",
+    ])
+    .assert()
+    .code(DATAERR)
+    .failure();
+}