[rb] Allow driver path to be set using ENV variables

rb/lib/selenium/webdriver/chrome/service.rb

@@ -24,6 +24,7 @@ class Service < WebDriver::Service
         DEFAULT_PORT = 9515
         EXECUTABLE = 'chromedriver'
         SHUTDOWN_SUPPORTED = true
+        DRIVER_PATH_ENV_KEY = 'SE_CHROMEDRIVER'
 
         def log
           return @log unless @log.is_a? String

rb/lib/selenium/webdriver/common/service.rb

@@ -69,6 +69,7 @@ def driver_path=(path)
       def initialize(path: nil, port: nil, log: nil, args: nil)
         port ||= self.class::DEFAULT_PORT
         args ||= []
+        path ||= env_path
 
         @executable_path = path
         @host = Platform.localhost
@@ -87,16 +88,22 @@ def initialize(path: nil, port: nil, log: nil, args: nil)
       end
 
       def launch
-        @executable_path ||= begin
-          default_options = WebDriver.const_get("#{self.class.name&.split('::')&.[](2)}::Options").new
-          DriverFinder.new(default_options, self).driver_path
-        end
+        @executable_path ||= env_path || find_driver_path
         ServiceManager.new(self).tap(&:start)
       end
 
       def shutdown_supported
         self.class::SHUTDOWN_SUPPORTED
       end
+
+      def find_driver_path
+        default_options = WebDriver.const_get("#{self.class.name&.split('::')&.[](2)}::Options").new
+        DriverFinder.new(default_options, self).driver_path
+      end
+
+      def env_path
+        ENV.fetch(self.class::DRIVER_PATH_ENV_KEY, nil)
+      end
     end # Service
   end # WebDriver
 end # Selenium

rb/lib/selenium/webdriver/edge/service.rb

@@ -24,7 +24,7 @@ class Service < WebDriver::Service
         DEFAULT_PORT = 9515
         EXECUTABLE = 'msedgedriver'
         SHUTDOWN_SUPPORTED = true
-
+        DRIVER_PATH_ENV_KEY = 'SE_EDGEDRIVER'
         def log
           return @log unless @log.is_a? String
 

rb/lib/selenium/webdriver/firefox/service.rb

@@ -24,6 +24,7 @@ class Service < WebDriver::Service
         DEFAULT_PORT = 4444
         EXECUTABLE = 'geckodriver'
         SHUTDOWN_SUPPORTED = false
+        DRIVER_PATH_ENV_KEY = 'SE_GECKODRIVER'
       end # Service
     end # Firefox
   end # WebDriver

rb/lib/selenium/webdriver/ie/service.rb

@@ -24,6 +24,7 @@ class Service < WebDriver::Service
         DEFAULT_PORT = 5555
         EXECUTABLE = 'IEDriverServer'
         SHUTDOWN_SUPPORTED = true
+        DRIVER_PATH_ENV_KEY = 'SE_IEDRIVER'
       end # Server
     end # IE
   end # WebDriver

rb/lib/selenium/webdriver/safari/service.rb

@@ -24,7 +24,7 @@ class Service < WebDriver::Service
         DEFAULT_PORT = 7050
         EXECUTABLE = 'safaridriver'
         SHUTDOWN_SUPPORTED = false
-
+        DRIVER_PATH_ENV_KEY = 'SE_SAFARIDRIVER'
         def initialize(path: nil, port: nil, log: nil, args: nil)
           raise Error::WebDriverError, 'Safari Service does not support setting log output' if log
 

rb/sig/lib/selenium/webdriver/chrome/service.rbs

@@ -2,6 +2,8 @@ module Selenium
   module WebDriver
     module Chrome
       class Service < WebDriver::Service
+        DRIVER_PATH_ENV_KEY: String
+
         @log: untyped
 
         DEFAULT_PORT: Integer

rb/sig/lib/selenium/webdriver/common/service.rbs

@@ -47,6 +47,8 @@ module Selenium
 
       attr_accessor args: untyped
 
+      def env_path: -> String
+
       alias extra_args args
 
       def initialize: (?path: untyped?, ?port: untyped?, ?log: untyped?, ?args: untyped?) -> void

rb/sig/lib/selenium/webdriver/edge/service.rbs

@@ -2,6 +2,8 @@ module Selenium
   module WebDriver
     module Edge
       class Service < WebDriver::Service
+        DRIVER_PATH_ENV_KEY: String
+
         @log: untyped
 
         DEFAULT_PORT: Integer

rb/sig/lib/selenium/webdriver/firefox/service.rbs

@@ -4,6 +4,7 @@ module Selenium
       class Service < WebDriver::Service
         DEFAULT_PORT: 4444
 
+        DRIVER_PATH_ENV_KEY: String
         EXECUTABLE: "geckodriver"
 
         SHUTDOWN_SUPPORTED: false

rb/sig/lib/selenium/webdriver/ie/service.rbs

@@ -4,6 +4,7 @@ module Selenium
       class Service < WebDriver::Service
         DEFAULT_PORT: Integer
 
+        DRIVER_PATH_ENV_KEY: String
         EXECUTABLE: String
 
         SHUTDOWN_SUPPORTED: bool

rb/sig/lib/selenium/webdriver/safari/service.rbs

@@ -4,6 +4,7 @@ module Selenium
       class Service < WebDriver::Service
         DEFAULT_PORT: Integer
 
+        DRIVER_PATH_ENV_KEY: String
         EXECUTABLE: String
 
         SHUTDOWN_SUPPORTED: bool

rb/spec/integration/selenium/webdriver/ie/service_spec.rb

@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+# Licensed to the Software Freedom Conservancy (SFC) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The SFC licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require_relative '../spec_helper'
+
+module Selenium
+  module WebDriver
+    module IE
+      describe Service, exclusive: [{bidi: false, reason: 'Not yet implemented with BiDi'}, {browser: :ie}] do
+        let(:service) { described_class.new }
+        let(:service_manager) { service.launch }
+
+        after { service_manager.stop }
+
+        it 'auto uses iedriver' do
+          service.executable_path = DriverFinder.new(Options.new, described_class.new).driver_path
+
+          expect(service_manager.uri).to be_a(URI)
+        end
+
+        it 'can be started outside driver' do
+          expect(service_manager.uri).to be_a(URI)
+        end
+      end
+    end # IE
+  end # WebDriver
+end # Selenium

rb/spec/integration/selenium/webdriver/safari/service_spec.rb

@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+# Licensed to the Software Freedom Conservancy (SFC) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The SFC licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require_relative '../spec_helper'
+
+module Selenium
+  module WebDriver
+    module Safari
+      describe Service, exclusive: [{bidi: false, reason: 'Not yet implemented with BiDi'}, {browser: :safari}] do
+        let(:service) { described_class.new }
+        let(:service_manager) { service.launch }
+
+        after { service_manager.stop }
+
+        it 'auto uses safaridriver' do
+          service.executable_path = DriverFinder.new(Options.new, described_class.new).driver_path
+
+          expect(service_manager.uri).to be_a(URI)
+        end
+
+        it 'can be started outside driver' do
+          expect(service_manager.uri).to be_a(URI)
+        end
+      end
+    end # Safari
+  end # WebDriver
+end # Selenium

rb/spec/unit/selenium/webdriver/chrome/service_spec.rb

@@ -119,6 +119,28 @@ module Chrome
             driver.new(service: service)
             expect(described_class).not_to have_received(:new)
           end
+
+          context 'with a path env variable' do
+            let(:service) { described_class.new }
+            let(:service_path) { "/path/to/#{Service::EXECUTABLE}" }
+
+            before do
+              ENV['SE_CHROMEDRIVER'] = service_path
+            end
+
+            after { ENV.delete('SE_CHROMEDRIVER') }
+
+            it 'uses the path from the environment' do
+              expect(service.executable_path).to match(/chromedriver/)
+            end
+
+            it 'updates the path after setting the environment variable' do
+              ENV['SE_CHROMEDRIVER'] = '/foo/bar'
+              service.executable_path = service_path
+
+              expect(service.executable_path).to match(/chromedriver/)
+            end
+          end
         end
       end
     end # Chrome

rb/spec/unit/selenium/webdriver/edge/service_spec.rb

@@ -129,6 +129,28 @@ module Edge
             expect(service.log).to be_nil
             expect(service.args).to eq ['--log-path=/path/to/log.txt']
           end
+
+          context 'with a path env variable' do
+            let(:service) { described_class.new }
+            let(:service_path) { "/path/to/#{Service::EXECUTABLE}" }
+
+            before do
+              ENV['SE_EDGEDRIVER'] = service_path
+            end
+
+            after { ENV.delete('SE_EDGEDRIVER') }
+
+            it 'uses the path from the environment' do
+              expect(service.executable_path).to match(/edgedriver/)
+            end
+
+            it 'updates the path after setting the environment variable' do
+              ENV['SE_EDGEDRIVER'] = '/foo/bar'
+              service.executable_path = service_path
+
+              expect(service.executable_path).to match(/edgedriver/)
+            end
+          end
         end
       end
     end # Edge

rb/spec/unit/selenium/webdriver/firefox/service_spec.rb

@@ -117,6 +117,28 @@ module Firefox
 
             expect(described_class).not_to have_received(:new)
           end
+
+          context 'with a path env variable' do
+            let(:service) { described_class.new }
+            let(:service_path) { "/path/to/#{Service::EXECUTABLE}" }
+
+            before do
+              ENV['SE_GECKODRIVER'] = service_path
+            end
+
+            after { ENV.delete('SE_GECKODRIVER') }
+
+            it 'uses the path from the environment' do
+              expect(service.executable_path).to match(/geckodriver/)
+            end
+
+            it 'updates the path after setting the environment variable' do
+              ENV['SE_GECKODRIVER'] = '/foo/bar'
+              service.executable_path = service_path
+
+              expect(service.executable_path).to match(/geckodriver/)
+            end
+          end
         end
       end
     end # Firefox

rb/spec/unit/selenium/webdriver/ie/service_spec.rb

@@ -119,6 +119,28 @@ module IE
 
             expect(described_class).not_to have_received(:new)
           end
+
+          context 'with a path env variable' do
+            let(:service) { described_class.new }
+            let(:service_path) { "/path/to/#{Service::EXECUTABLE}" }
+
+            before do
+              ENV['SE_IEDRIVER'] = service_path
+            end
+
+            after { ENV.delete('SE_IEDRIVER') }
+
+            it 'uses the path from the environment' do
+              expect(service.executable_path).to match(/IEDriver/)
+            end
+
+            it 'updates the path after setting the environment variable' do
+              ENV['SE_IEDRIVER'] = '/foo/bar'
+              service.executable_path = service_path
+
+              expect(service.executable_path).to match(/IEDriver/)
+            end
+          end
         end
       end
     end # IE

rb/spec/unit/selenium/webdriver/safari/service_spec.rb

@@ -114,6 +114,28 @@ module Safari
 
             expect(described_class).not_to have_received(:new)
           end
+
+          context 'with a path env variable' do
+            let(:service) { described_class.new }
+            let(:service_path) { "/path/to/#{Service::EXECUTABLE}" }
+
+            before do
+              ENV['SE_SAFARIDRIVER'] = service_path
+            end
+
+            after { ENV.delete('SE_SAFARIDRIVER') }
+
+            it 'uses the path from the environment' do
+              expect(service.executable_path).to match(/safaridriver/)
+            end
+
+            it 'updates the path after setting the environment variable' do
+              ENV['SE_SAFARIDRIVER'] = '/foo/bar'
+              service.executable_path = service_path
+
+              expect(service.executable_path).to match(/safaridriver/)
+            end
+          end
         end
       end
     end # Safari