[ruby/irb] Check existence of rc files in irb_info command

https://github.com/ruby/irb/commit/cdbb9dfc9f

1 files changed, 50 insertions, 0 deletions

diff --git a/test/irb/test_cmd.rb b/test/irb/test_cmd.rb
index 1f385512a6..7a9e7d79e1 100644
--- a/test/irb/test_cmd.rb
+++ b/test/irb/test_cmd.rb
@@ -60,5 +60,55 @@ module TestIRB
       }x
       assert_match expected, irb.context.main.irb_info.to_s
     end
+
+    def test_irb_info_multiline_without_rc_files
+      inputrc_backup = ENV["INPUTRC"]
+      ENV["INPUTRC"] = "unkown_inpurc"
+      ext_backup = IRB::IRBRC_EXT
+      IRB.__send__(:remove_const, :IRBRC_EXT)
+      IRB.const_set(:IRBRC_EXT, "unkown_ext")
+      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\s[^ ]+(?!\sand\s.+)\n
+        \z
+      }x
+      assert_match expected, irb.context.main.irb_info.to_s
+    ensure
+      ENV["INPUTRC"] = inputrc_backup
+      IRB.__send__(:remove_const, :IRBRC_EXT)
+      IRB.const_set(:IRBRC_EXT, ext_backup)
+    end
+
+    def test_irb_info_singleline_without_rc_files
+      inputrc_backup = ENV["INPUTRC"]
+      ENV["INPUTRC"] = "unkown_inpurc"
+      ext_backup = IRB::IRBRC_EXT
+      IRB.__send__(:remove_const, :IRBRC_EXT)
+      IRB.const_set(:IRBRC_EXT, "unkown_ext")
+      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\s[^ ]+\s[^ ]+(?!\sand\s.+)\n
+        \z
+      }x
+      assert_match expected, irb.context.main.irb_info.to_s
+    ensure
+      ENV["INPUTRC"] = inputrc_backup
+      IRB.__send__(:remove_const, :IRBRC_EXT)
+      IRB.const_set(:IRBRC_EXT, ext_backup)
+    end
   end
 end