Automatically test downloading files in Tor Browser.

Per the discussion on ticket #9285 we should exchange the scenario
that tries to open a downloaded file in an external application (which
we now do not allow) with a scenario where we just downloads a file.

Refs: #9285

features/step_definitions/browser.rb

@@ -159,3 +159,25 @@ Then /^the (.*) runs as the expected user$/ do |browser|
     "pgrep --uid #{info[:user]} --full --exact '#{info[:cmd_regex]}'"),
     "The #{browser} is not running as the #{info[:user]} user")
 end
+
+When /^I download some file in the Tor Browser$/ do
+  @some_file = 'tails-signing.key'
+  some_url = "https://tails.boum.org/#{@some_file}"
+  step "I open the address \"#{some_url}\" in the Tor Browser"
+end
+
+Then /^I get the browser download dialog$/ do
+  @screen.wait('BrowserDownloadDialog.png', 60)
+end
+
+When /^I save the file to the default Tor Browser download directory$/ do
+  @screen.click('BrowserDownloadDialogSaveAsButton.png')
+  @screen.wait('BrowserDownloadFileToDialog.png', 10)
+  @screen.type(Sikuli::Key.ENTER)
+end
+
+Then /^the file is saved to the default Tor Browser download directory$/ do
+  assert_not_nil(@some_file)
+  expected_path = "/home/#{LIVE_USER}/Tor Browser/#{@some_file}"
+  try_for(10) { $vm.file_exist?(expected_path) }
+end

features/torified_browsing.feature

@@ -37,6 +37,16 @@ Feature: Browsing the web using the Tor Browser
     When I accept to import the key with Seahorse
     Then I see "KeyImportedNotification.png" after at most 10 seconds
 
+  @check_tor_leaks @fragile
+  Scenario: Downloading files with the Tor Browser
+    Given I have started Tails from DVD and logged in and the network is connected
+    When I start the Tor Browser
+    Then the Tor Browser has started and loaded the startup page
+    When I download some file in the Tor Browser
+    Then I get the browser download dialog
+    When I save the file to the default Tor Browser download directory
+    Then the file is saved to the default Tor Browser download directory
+
   @check_tor_leaks @fragile
   Scenario: Playing HTML5 audio
     Given I have started Tails from DVD and logged in and the network is connected