IdeaConcordionSupport 
This plugin provides support for concordion framework.
It can be installed from Intellij IDEA plugins repository
Settings > Plugins > Browse repositories... > search for Concordion support
It is built by gradle so it does not require to have intellij idea plugin sdk set up to start development.
Requirements
- idea 14.1+ with JUnit plugin running on jdk 8 (project may use any jdk)
Supported features
- Autocompletion
- concordion commands in HTML and MD specs
- test fixture members in concordion expressions
- spec variables
- Navigation between spec and test fixture
- with Navigate between concordion spec and fixture (Ctrl + Shift + s)
- clicking concordion icon in test fixture and spec
- using go to declaration (Ctrl + left click on concordion expression)
- Find usages (Ctrl + F7) list will include usages of methods and properties in concordion spec (for HTML specs only)
- Renaming support (for HTML specs only)
- it is possible to rename method/field from its usage in spec
- after renaming method/field corresponding usage in spec will be renamed as well
- concordion variable will be renamed in spec along with all its usages
- Run configuration (Ctrl + Shift + F10) from HTML or MD spec. JUnit for corresponding test fixture will be created and started
- Inspections
- error out using concordion without proper runner in @RunWith annotation
- error out using too complex expressions without @FullOGNL annotation
- warn using maps in specs
- warn using of undeclared concordion spec variable
- warn using commands in CamelCase if spinal-case configured (and vice versa, quick fix available)
- Intentions/Quick fixes (Alt + Enter)
- use method/field in concordion spec and then create its declaration (field type/return type/arguments types will be inferred from context) (Alt + Enter over usage)
- surround word/selection with concordion expression (Alt + Enter any place in spec)
- fix misused concordion command case (CamelCase <-> spinal-case) (Alt + Enter over warned command)
- Manipulating spec and fixture pairs
- creation of specs or fixtures from templates via new menu
- creation of spec and fixture pair via new menu
- rename spec and fixture at the same time