Added Ctrl-s to open spec for any file you're looking at

Similar to rails.vim's :A and :AV command, except it knows
about fast_spec. Could be expanded in the future to add more
spec paths.

vim/plugin/settings/yadr-spec-opener.vim

@@ -0,0 +1,32 @@
+" Find the related spec for any file you open. Requires
+"  * Your specs live in spec/ or fast_spec/
+"  * Your pwd (current dir) is the project root
+"  * You use the same dir structure in your code and specs so that
+"    code living at lib/foo/bar.rb has a spec at spec/lib/foo/bar.rb
+"
+" This method handles files in fast_spec unlike the :A and :AV functions
+" that ship with rails.vim
+function! FindSpec()
+  let s:fullpath = expand("%:p")
+  let s:filepath = expand("%:h")
+  let s:fname = expand("%:t")
+
+  " Possible names for the spec/test for the file we're looking at
+  let s:test_names = [substitute(s:fname, ".rb$", "_spec.rb", ""), substitute(s:fname, ".rb$", "_test.rb", "")]
+
+  " Possible paths
+  let s:test_paths = ["spec", "fast_spec", "test"]
+  for test_name in s:test_names
+    for path in s:test_paths
+      let s:filepath_without_app = substitute(s:filepath, "app/", "", "")
+      let s:spec_path = path . "/" . s:filepath_without_app . "/" . test_name
+      let s:full_spec_path = substitute(s:fullpath, s:filepath . "/" . s:fname, s:spec_path, "")
+      if filereadable(s:full_spec_path)
+        execute ":botright vsp " . s:full_spec_path
+        return
+      endif
+    endfor
+  endfor
+endfunction
+
+nnoremap <C-s> :call FindSpec()<CR>