[ruby/irb] Add irb_info command

https://github.com/ruby/irb/commit/a6fe58e916

1 files changed, 64 insertions, 0 deletions

diff --git a/test/irb/test_cmd.rb b/test/irb/test_cmd.rb
new file mode 100644
index 0000000000..1f385512a6
--- /dev/null
+++ b/test/irb/test_cmd.rb
@@ -0,0 +1,64 @@
+# frozen_string_literal: false
+require "test/unit"
+require "irb"
+require "irb/extend-command"
+
+module TestIRB
+  class ExtendCommand < Test::Unit::TestCase
+    def setup
+      @pwd = Dir.pwd
+      @tmpdir = File.join(Dir.tmpdir, "test_reline_config_#{$$}")
+      begin
+        Dir.mkdir(@tmpdir)
+      rescue Errno::EEXIST
+        FileUtils.rm_rf(@tmpdir)
+        Dir.mkdir(@tmpdir)
+      end
+      Dir.chdir(@tmpdir)
+      @home_backup = ENV["HOME"]
+      ENV["HOME"] = @tmpdir
+    end
+
+    def teardown
+      ENV["HOME"] = @home_backup
+      Dir.chdir(@pwd)
+      FileUtils.rm_rf(@tmpdir)
+    end
+
+    def test_irb_info_multiline
+      FileUtils.touch("#{@tmpdir}/.inputrc")
+      FileUtils.touch("#{@tmpdir}/.irbrc")
+      IRB.setup(__FILE__, argv: [])
+      IRB.conf[:USE_MULTILINE] = true
+      IRB.conf[:USE_SINGLELINE] = false
+      workspace = IRB::WorkSpace.new(self)
+      irb = IRB::Irb.new(workspace)
+      IRB.conf[:MAIN_CONTEXT] = irb.context
+      expected = %r{
+        Ruby\sversion: .+\n
+        IRB\sversion:\sirb .+\n
+        InputMethod:\sReidlineInputMethod\swith\sReline .+ and .+\n
+        \.irbrc\spath: .+
+      }x
+      assert_match expected, irb.context.main.irb_info.to_s
+    end
+
+    def test_irb_info_singleline
+      FileUtils.touch("#{@tmpdir}/.inputrc")
+      FileUtils.touch("#{@tmpdir}/.irbrc")
+      IRB.setup(__FILE__, argv: [])
+      IRB.conf[:USE_MULTILINE] = false
+      IRB.conf[:USE_SINGLELINE] = true
+      workspace = IRB::WorkSpace.new(self)
+      irb = IRB::Irb.new(workspace)
+      IRB.conf[:MAIN_CONTEXT] = irb.context
+      expected = %r{
+        Ruby\sversion: .+\n
+        IRB\sversion:\sirb .+\n
+        InputMethod:\sReadlineInputMethod\swith .+ and .+\n
+        \.irbrc\spath: .+
+      }x
+      assert_match expected, irb.context.main.irb_info.to_s
+    end
+  end
+end