Conditionalize t/load_core.t for optional deps

Tests for various components are now skipped if the required
dependency is not installed.

diff --git a/t/load_core.t b/t/load_core.t
index 945600b..77bd5dc 100755 (executable)
--- a/t/load_core.t
+++ b/t/load_core.t
@@ -6,30 +6,78 @@ use_ok('Devel::REPL');
 use_ok('Devel::REPL::Script');
 use_ok('Devel::REPL::Plugin::Colors');
 use_ok('Devel::REPL::Plugin::Commands');
-use_ok('Devel::REPL::Plugin::Completion');
+
+eval 'use PPI';
+unless ($@) {
+   use_ok('Devel::REPL::Plugin::Completion');
+}
+
+eval 'use File::Next';
+unless ($@) {
+   use_ok('Devel::REPL::Plugin::CompletionDriver::INC');
+}
+
+eval 'use B::Keywords';
+unless ($@) {
+   use_ok('Devel::REPL::Plugin::CompletionDriver::Keywords');
+}
+
+eval 'use Lexical::Persistence';
+unless ($@) {
+   use_ok('Devel::REPL::Plugin::CompletionDriver::LexEnv');
+}
+
 use_ok('Devel::REPL::Plugin::CompletionDriver::Globals');
-use_ok('Devel::REPL::Plugin::CompletionDriver::INC');
-use_ok('Devel::REPL::Plugin::CompletionDriver::Keywords');
-use_ok('Devel::REPL::Plugin::CompletionDriver::LexEnv');
 use_ok('Devel::REPL::Plugin::CompletionDriver::Methods');
-use_ok('Devel::REPL::Plugin::DDC');
-use_ok('Devel::REPL::Plugin::DDS');
+
+eval 'use Data::Dump::Concise';
+unless ($@) {
+   use_ok('Devel::REPL::Plugin::DDC');
+}
+
+eval 'use Data::Dump::Streamer';
+unless ($@) {
+   use_ok('Devel::REPL::Plugin::DDS');
+}
+
 use_ok('Devel::REPL::Plugin::DumpHistory');
 use_ok('Devel::REPL::Plugin::FancyPrompt');
 use_ok('Devel::REPL::Plugin::FindVariable');
 use_ok('Devel::REPL::Plugin::History');
-# Interrupt depends on Sys::SigAction which
-# is not available on win32 so we skip the
-# test there
-use_ok('Devel::REPL::Plugin::Interrupt') unless $^O eq 'MSWin32';
+
+eval 'use Sys::SigAction';
+unless ($@) {
+   use_ok('Devel::REPL::Plugin::Interrupt');
+}
+
+# use_ok('Devel::REPL::Plugin::Interrupt') unless $^O eq 'MSWin32';
 use_ok('Devel::REPL::Plugin::LexEnv');
-use_ok('Devel::REPL::Plugin::Nopaste');
+
+eval 'use PPI';
+unless ($@) {
+   use_ok('Devel::REPL::Plugin::MultiLine::PPI');
+}
+
+eval 'use App::Nopaste';
+unless ($@) {
+   use_ok('Devel::REPL::Plugin::Nopaste');
+}
+
 use_ok('Devel::REPL::Plugin::OutputCache');
-use_ok('Devel::REPL::Plugin::PPI');
 use_ok('Devel::REPL::Plugin::Packages');
 use_ok('Devel::REPL::Plugin::Peek');
+eval 'use PPI';
+unless ($@) {
+   use_ok('Devel::REPL::Plugin::PPI');
+}
+
 use_ok('Devel::REPL::Plugin::ReadLineHistory');
-use_ok('Devel::REPL::Plugin::Refresh');
+
+eval 'use Module::Refresh';
+unless ($@) {
+   use_ok('Devel::REPL::Plugin::Refresh');
+}
+
 use_ok('Devel::REPL::Plugin::ShowClass');
 use_ok('Devel::REPL::Plugin::Timing');
 use_ok('Devel::REPL::Plugin::Turtles');