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Ovid (2709)

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Stuff with the Perl Foundation. A couple of patches in the Perl core. A few CPAN modules. That about sums it up.

Journal of Ovid (2709)

Thursday June 21, 2007
04:17 AM

Awesome Test::Class vim mapping

[ #33567 ]

In Test::Class, there is a terribly clunky way to tell it to run only one test (I can call it clunky because I submitted the patch for it). The way to do this is to create a TEST_METHOD environment variable:

package Tests::Customer;

use base 'My::Test::Class';

sub foo : Tests(12) {

sub bar : Tests {

sub baz : Tests(111) {

BEGIN { $ENV{TEST_METHOD} = 'quux' }
sub quux : Tests(no_plan) {

With the above, you will only have the 'quux' method run. This is very handy when you're focusing on a specific method and don't want to run your other long-running tests until you're done working on 'quux'. With the help of smylers (he really is a vim god, you know), I now have the following vim mapping:

noremap ,tm ?^sub.*:.*Test<cr>w"zyeOBEGIN { $ENV{TEST_METHOD} = '<c-r>z' }<esc>

It's a bit of a hack, but here's what it does. When you type ',tm', it does:

Search backwards until I find a test subroutine.
Move to the next word (w) and yank to the end of the next word into the contents of the 'z' buffer.
OBEGIN { $ENV{TEST_METHOD} = 'z' }<esc>
Open a new line above the current one and create the BEGIN block, writing the contents of the 'z' buffer as the TEST_METHOD variable.

In other words, position your cursor in a method, type ',tm' while in command mode and it will try to create insert code which will only run the test method you're currently in. This really speeds up my testing!

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  • fun! TestClassRunThisMethod()
        let save_cursor=getpos('.')

        call search('^sub \+\zs.*:.*Test','bcW')
        let $TEST_METHOD = expand('<cword>')
        exe '!printenv | sort'

        call setpos('.', save_cursor)

    nnoremap <expr> ,tm TestClassRunThisMethod()