GetMatchingBrowserVersion for other browsers (#186)

Author: sarahelsaig

WebDriverManager.Tests/FirefoxConfigTests.cs

@@ -26,7 +26,10 @@ public void DriverDownloadTest()
         [Fact]
         public void GetMatchingBrowserVersionTest()
         {
-            Assert.Throws<NotImplementedException>(GetMatchingBrowserVersion);
+            var version = GetMatchingBrowserVersion();
+            var regex = new Regex(@"^\d+\.\d+(\.\d+)?$");
+            Assert.NotEmpty(version);
+            Assert.Matches(regex, version);
         }
     }
 }

WebDriverManager.Tests/InternetExplorerConfigTests.cs

@@ -26,7 +26,10 @@ public void DriverDownloadTest()
         [Fact]
         public void GetMatchingBrowserVersionTest()
         {
-            Assert.Throws<NotImplementedException>(GetMatchingBrowserVersion);
+            var version = GetMatchingBrowserVersion();
+            var regex = new Regex(@"^\d+\.\d+\.\d+(\.\d+)?$");
+            Assert.NotEmpty(version);
+            Assert.Matches(regex, version);
         }
     }
 }

WebDriverManager/DriverConfigs/Impl/ChromeConfig.cs

@@ -102,7 +102,9 @@ private string GetRawBrowserVersion()
 
             if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
             {
-                return RegistryHelper.GetInstalledBrowserVersionLinux("google-chrome", "--product-version");
+                return RegistryHelper.GetInstalledBrowserVersionLinux(
+                    "google-chrome", "--product-version",
+                    "chromium", "--version");
             }
 
             if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))

WebDriverManager/DriverConfigs/Impl/FirefoxConfig.cs

@@ -3,6 +3,7 @@
 using System.Net;
 using System.Runtime.InteropServices;
 using AngleSharp.Html.Parser;
+using WebDriverManager.Helpers;
 using Architecture = WebDriverManager.Helpers.Architecture;
 
 namespace WebDriverManager.DriverConfigs.Impl
@@ -53,7 +54,26 @@ public virtual string GetLatestVersion()
 
         public virtual string GetMatchingBrowserVersion()
         {
-            throw new NotImplementedException();
+#if NETSTANDARD
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+            {
+                return RegistryHelper.GetInstalledBrowserVersionOsx("Firefox", "--version");
+            }
+
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+            {
+                return RegistryHelper.GetInstalledBrowserVersionLinux("firefox", "--version");
+            }
+
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            {
+                return RegistryHelper.GetInstalledBrowserVersionWin("firefox.exe");
+            }
+
+            throw new PlatformNotSupportedException("Your operating system is not supported");
+#else
+            return RegistryHelper.GetInstalledBrowserVersionWin("firefox.exe");
+#endif
         }
 
         private static string GetUrl(Architecture architecture)

WebDriverManager/DriverConfigs/Impl/InternetExplorerConfig.cs

@@ -1,4 +1,6 @@
 using System;
+using System.Runtime.InteropServices;
+using Microsoft.Win32;
 
 namespace WebDriverManager.DriverConfigs.Impl
 {
@@ -31,7 +33,17 @@ public virtual string GetLatestVersion()
 
         public virtual string GetMatchingBrowserVersion()
         {
-            throw new NotImplementedException();
+#if NETSTANDARD
+            if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            {
+                throw new PlatformNotSupportedException("Your operating system is not supported");
+            }
+#endif
+
+            return (string)Registry.GetValue(
+                @"HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer",
+                "svcVersion",
+                "Latest");
         }
     }
 }

WebDriverManager/Helpers/RegistryHelper.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Diagnostics;
+using System.IO;
 using System.Threading.Tasks;
 
 namespace WebDriverManager.Helpers
@@ -22,6 +23,24 @@ public static string GetInstalledBrowserVersionLinux(string executableFileName,
             }
         }
 
+        public static string GetInstalledBrowserVersionLinux(params string[] executableAndArgumentsPairs)
+        {
+            var length = executableAndArgumentsPairs.Length;
+            if (length % 2 == 1) throw new Exception("Please provide arguments for every executable!");
+
+            for (var i = 0; i < length; i += 2)
+            {
+                var executableFileName = executableAndArgumentsPairs[i];
+                var arguments = executableAndArgumentsPairs[i + 1];
+                
+                var fullPath = GetFullPath(executableFileName);
+                if (fullPath != null) return GetInstalledBrowserVersionLinux(fullPath, arguments);
+            }
+
+            throw new Exception(
+                $"Unable to locate installed browser for runtime platform {Environment.OSVersion.Platform}");
+        }
+
         public static string GetInstalledBrowserVersionOsx(string executableFileName, string arguments)
         {
             try
@@ -62,5 +81,25 @@ public static string GetInstalledBrowserVersionWin(string executableFileName)
 
             return null;
         }
+
+        /// <summary>
+        /// Checks if a provided file name can be found in either the current working directory or the <c>PATH</c>
+        /// environment variable.
+        /// </summary>
+        /// <param name="fileName">The file name of the executable, including extension on Windows.</param>
+        /// <returns>The full path of the executable or <see langword="null"/> if it doesn't exist.</returns>
+        private static string GetFullPath(string fileName)
+        {
+            if (File.Exists(fileName)) return Path.GetFullPath(fileName);
+
+            var paths = Environment.GetEnvironmentVariable("PATH")?.Split(Path.PathSeparator) ?? Array.Empty<string>();
+            foreach (var path in paths)
+            {
+                var fullPath = Path.Combine(path, fileName);
+                if (File.Exists(fullPath)) return fullPath;
+            }
+
+            return null;
+        }
     }
 }

WebDriverManager/Helpers/VersionHelper.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Diagnostics;
+using System.Linq;
 using System.Threading.Tasks;
 
 namespace WebDriverManager.Helpers
@@ -49,7 +50,9 @@ public static async Task<string> GetVersionFromProcess(string executableFileName
                 throw new Exception(error);
             }
 
-            return output;
+            // Tries to pick out just the version string, e.g. from "Chromium 101.0.4951.64 Arch Linux" pick
+            // "101.0.4951.64" and from "Mozilla Firefox 100.0" pick "100.0".
+            return output.Split().LastOrDefault(word => Version.TryParse(word, out _)) ?? output;
         }
     }
 }