Evaluate TodaysDate and expresions inside Preformatted blocks

[jaruzafa]

Hi!
Please, take into consideration this pull request.
It enables the evaluation of TodaysDate and expressions inside Preformatted blocks.

Context:
Currently, preformated (blocks enclosed by {{{ foo }}} ) allow variables in them.
Example:

!define FOO {bar}
{{{
 Hi ${FOO} !
}}}

Will be rendered as:
Hi bar !

Just variables are evaluated, so this:
Example 2:

!define FOO {bar}
!define SUM {5+1}
{{{
 Hi ${FOO} !
 Today is !today
 ${=${SUM}=}
}}}

Will be rendered as:

 Hi bar !
 Today is !today
 Sum is ${=5+1=}

New behaviour
With my change, example 2 will be rendered as:

 Hi bar !
 Today is 1 Jan, 2017
 Sum is 6

This is useful for parametrizing tests. I use it in conjunction with hsac fixtures to parametrize XML requests and show them properly in a table.

Example:

!define REQ { {{{
<?xml version="1.0"?>
<GetSomething>
            <Pick>
                <Date>!today (yyyy-MM-dd) +1</Date>
                <Time>10:00</Time>
            </Pick>
            <Drop>
                <Date>!today (yyyy-MM-dd) +15</Date>
                <Time>10:00</Time>
            </Drop>
</GetSomething>
}}} }

|script  |xml http test                                                      |
|post    |${REQ}                  |to     |htttp://testsite.com    |
|check  |response status    |200                             |
|show   |response                                                  |
|check  |xPath                    |!-//result/text()-! |ok   |

Cheers!

[amolenaar]

This looks like a nice addition. Can you add an (acceptance) test? That way this behaviour will not change by accident.

[jaruzafa]

Hi @amolenaar,
As requested, I added an acceptance test to my pull request.

Regards!