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+title: Jump to Jasmine Specs with Rinari
+date: 2013-12-17 13:00
+tags: emacs, javascript, wsu
+summary: I hacked rinari mode to jump between JS sources and jasmine tests
+---
+
+I use the [rinari](https://github.com/eschulte/rinari) Emacs mode to
+assist me when working on rails projects.  One of rinari’s most useful
+features is the ability to quickly jump from one file to another
+related file.  I use this feature almost exclusively for jumping
+between a ruby class file and its associated rspec file, but lately
+I’ve been spending most of my time writing javascript.  At VHL, we use
+[jasmine](http://pivotal.github.io/jasmine/) for our unit testing
+framework and the
+[jasmine ruby gem](https://github.com/pivotal/jasmine-gem) to
+integrate it with our rails projects.  Rinari doesn’t have any
+built-in jump settings for jasmine test files, so I wrote this quick
+hack to make it work:
+
+```elisp
+;; Make rinari jump to/from javascript source files and specs.
+(setcdr (assoc 'javascript rinari-jump-schema)
+        '("j"
+          (("app/assets/javascripts/\\1.js" . "spec/javascripts/\\1_spec.js")
+           ("spec/javascripts/\\1_spec.js"  . "app/assets/javascripts/\\1.js")
+           (t . "spec/javascripts/.*")
+           (t . "app/javascripts/.*"))
+          t))
+(rinari-apply-jump-schema rinari-jump-schema)
+```
+
+Now I can press `C-c ; f j` to jump between a javascript file in
+`app/assets/javascripts/` and its jasmine test file in
+`spec/javascripts/`.  Perhaps I shouldn’t be overwriting the
+predefined (but not very useful) javascript jump settings, but I
+really wanted to use the `j` key.