test: Use loopback pinentry

.travis.yml

@@ -22,6 +22,9 @@ before_install:
   - sudo mknod -m 0666 /dev/random c 1 9
   - echo HRNGDEVICE=/dev/urandom | sudo tee /etc/default/rng-tools
   - sudo /etc/init.d/rng-tools restart
+  - gpg --version
+  - gpg2 --version
+  - gpgconf --list-options gpg-agent
 
 script: travis_wait bundle exec rake TESTOPTS="-v"
 

test/crypto_test.rb

@@ -137,15 +137,15 @@
     it "requires a password to decrypt" do
       crypto = GPGME::Crypto.new
       encrypted_data = crypto.encrypt TEXT[:plain],
-        :symmetric => true, :password => "gpgme"
+        :symmetric => true, :password => "gpgme", :pinentry_mode => GPGME::PINENTRY_MODE_LOOPBACK
 
       assert_raises GPGME::Error::BadPassphrase do
-        crypto.decrypt encrypted_data
+        crypto.decrypt encrypted_data, :pinentry_mode => GPGME::PINENTRY_MODE_LOOPBACK
       end
     end
 
     it "can encrypt and decrypt with the same password" do
-      crypto = GPGME::Crypto.new :symmetric => true, :password => "gpgme"
+      crypto = GPGME::Crypto.new :symmetric => true, :password => "gpgme", :pinentry_mode => GPGME::PINENTRY_MODE_LOOPBACK
       encrypted_data = crypto.encrypt TEXT[:plain]
       plain = crypto.decrypt encrypted_data
 
@@ -155,10 +155,10 @@
     it "but breaks with different ones" do
       crypto = GPGME::Crypto.new
       encrypted_data = crypto.encrypt TEXT[:plain],
-        :symmetric => true, :password => "gpgme"
+        :symmetric => true, :password => "gpgme", :pinentry_mode => GPGME::PINENTRY_MODE_LOOPBACK
 
       assert_raises GPGME::Error::DecryptFailed do
-        crypto.decrypt encrypted_data, :password => "wrong one"
+        crypto.decrypt encrypted_data, :password => "wrong one", :pinentry_mode => GPGME::PINENTRY_MODE_LOOPBACK
       end
     end
   end

test/ctx_test.rb

@@ -35,7 +35,7 @@
         input  = GPGME::Data.new(TEXT[:passwored])
         output = GPGME::Data.new
 
-        GPGME::Ctx.new(:password => 'gpgme') do |ctx|
+        GPGME::Ctx.new(:password => 'gpgme', :pinentry_mode => GPGME::PINENTRY_MODE_LOOPBACK) do |ctx|
           ctx.decrypt_verify input, output
 
           output.seek 0
@@ -113,7 +113,8 @@ def checking_value(value,par2,par3,par4,fd)
 
         options = {
           :passphrase_callback => method(:checking_value),
-          :passphrase_callback_value => "superman"
+          :passphrase_callback_value => "superman",
+          :pinentry_mode => GPGME::PINENTRY_MODE_LOOPBACK
         }
 
         GPGME::Ctx.new(options) do |ctx|

test/test_helper.rb

@@ -104,6 +104,9 @@ def ensure_keys(proto)
       dir = Dir.mktmpdir
       GPGME::Engine.home_dir = dir
       DIRS.push(dir)
+      IO.popen(["gpgconf", "--change-options", "gpg-agent"]) {|io|
+        io.write("allow-loopback-pinentry:2:1\n")
+      }
       remove_all_keys
       import_keys
     end