Add Support for Teaspoon Runner

Teaspoon is a javascript test runner for rails apps which uses the asset
pipeline to manage dependencies.

https://github.com/modeset/teaspoon

It can be run in either CLI or the Browser.  Now you can run your javascript
tests directly from the comfort of Vim just like Rspec, Test::Unit, or Cucumber

Author: stephenprater

doc/turbux.txt

@@ -82,6 +82,7 @@ case is to use 'spec' instead of 'rspec' for older versions of RSpec.
           let g:turbux_command_test_unit = 'ruby'     " default: ruby -Itest
           let g:turbux_command_cucumber = 'cucumber'  " default: cucumber -rfeatures
           let g:turbux_command_turnip = 'rspec'       " default: rspec -rturnip
+          let g:turbux_command_teaspoon = 'teaspoon'  " default: teaspoon
 <
 
 MAPPING                                         *turbux-mappings*

plugin/turbux.vim

@@ -20,6 +20,7 @@ function! s:turbux_command_setting(name, default_value)
   endif
 endfunction
 
+call s:turbux_command_setting("teaspoon", "teaspoon")
 call s:turbux_command_setting("rspec", "rspec")
 call s:turbux_command_setting("test_unit", "ruby -Itest")
 call s:turbux_command_setting("turnip", "rspec -rturnip")
@@ -71,6 +72,8 @@ endfunction
 function! s:prefix_for_test(file)
   if a:file =~# '_spec.rb$'
     return g:turbux_command_rspec
+  elseif a:file =~# '_spec.\(coffee\|js\)$'
+    return g:turbux_command_teaspoon
   elseif a:file =~# '\(\<test_.*\|_test\)\.rb$'
     return g:turbux_command_test_unit
   elseif a:file =~# '.feature$'
@@ -197,6 +200,17 @@ function! s:find_test_name_in_quotes()
     return ""
   endif
 endfunction
+
+function! s:find_test_name_with_it()
+  let s:line_no = search('^\s*\(it\|describe\)\s*\([''"]\).*\2', 'bcnW')
+  if s:line_no
+    let line = getline(s:line_no)
+    let string = matchstr(line,'^\s*\w\+\s*\([''"]\)\zs.*\ze\1')
+    return string 
+  else
+    return ""
+  endif
+endfunction
 "}}}1
 
 " Public functions {{{1
@@ -220,6 +234,14 @@ function! SendFocusedTestToTmux(file, line) abort
     endif
   endif
 
+  if s:prefix_for_test(a:file) == g:turbux_command_teaspoon
+    let quoted_test_name = s:find_test_name_with_it()
+    if !empty(quoted_test_name)
+      let focus = " --filter=\"".quoted_test_name."\""
+    endif
+  endif
+
+
   if !empty(s:prefix_for_test(a:file))
     let executable = s:command_for_file(a:file).focus
     let g:tmux_last_focused_command = executable