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comp.lang.ruby

Using assert() in a loop

Toby

2/28/2006 2:22:00 PM

Hello everybody

I hope this question isn't answered somewhere else, but the search was
disabled so i hope that excuses me.

I have been introducted to Ruby thorugh the need to write Watir tests to
do functional testing. I have an array of URLs that i wish to check and
a loop to go through them. I use the assert() function to find out
whether a particular link has scrolled to the correct position. If the
test fails (ie assert(false)) ruby breaks out of the loop and doesn't
check the rest of the urls.

I have added a begin/rescue statement which stops ruby breaking out the
loops but Watir then reports zero failures.

Code looks like this:

[code]
def test_href_Exists

href_start =
"http://localhost/fc_codebase/_web/?urn=com.firstconsult/1/101/1010022"

link_arr = {
"Description" => "198"
}

href_addr = [
"%23ah_70002::th_unused",
"%23ah_70089::th_",
"#ah_70002::th_unused",
"%23ah_70002::",
"#ah_70002::",
"%23ah_70002::",
"#ah_70002::",
"%23ah_70002::t)(*&^%$",
"#ah_70002::t)(*&^%$",
"%23ah_70002::%23tyh_888",
"#ah_70002::#tyh_888",
"%23ah_70567::th_unsed",
"%23ah_70567::th_70002",
"%23ah_70567::th_unused",
"%23ah_unused::th_unused",
"#ah_unused::th_unused",
"#ah_70567::th_",
"%23ah_70567::th_",
"%23ah_70567::th_70002&%",
"#ah_70567::th_70002%%",
]

$ie.goto(href_start)

link_arr.each do |key, value|
href_addr.each do |href_arr_val|

href_complete = href_start + href_arr_val
$ie.text_field(:name, "id_href").set(href_complete)
$ie.link(:text, key).click
puts $ie.text_field(:name, "id_href").getContents() + " " +
href_arr_val

begin

assert(result);

rescue => e

puts "*FAILED*." + e.message
end

end
end
[/code]

I am fairly sure there is a simple explaination but nothing i have tried
works so far this week.

Any help would be gratfully recieved

thanks loads
toby

--
Posted via http://www.ruby-....
2 Answers

Robert Klemme

2/28/2006 3:57:00 PM

0

Toby wrote:
> Hello everybody
>
> I hope this question isn't answered somewhere else, but the search was
> disabled so i hope that excuses me.
>
> I have been introducted to Ruby thorugh the need to write Watir tests
> to do functional testing. I have an array of URLs that i wish to
> check and a loop to go through them. I use the assert() function to
> find out whether a particular link has scrolled to the correct
> position. If the test fails (ie assert(false)) ruby breaks out of the
> loop and doesn't check the rest of the urls.
>
> I have added a begin/rescue statement which stops ruby breaking out
> the loops but Watir then reports zero failures.
>
> Code looks like this:
>
> [code]
> def test_href_Exists
>
> href_start =
> "http://localhost/fc_codebase/_web/?urn=com.firstconsult/1/101/1010022"
>
> link_arr = {
> "Description" => "198"
> }
>
> href_addr = [
> "%23ah_70002::th_unused",
> "%23ah_70089::th_",
> "#ah_70002::th_unused",
> "%23ah_70002::",
> "#ah_70002::",
> "%23ah_70002::",
> "#ah_70002::",
> "%23ah_70002::t)(*&^%$",
> "#ah_70002::t)(*&^%$",
> "%23ah_70002::%23tyh_888",
> "#ah_70002::#tyh_888",
> "%23ah_70567::th_unsed",
> "%23ah_70567::th_70002",
> "%23ah_70567::th_unused",
> "%23ah_unused::th_unused",
> "#ah_unused::th_unused",
> "#ah_70567::th_",
> "%23ah_70567::th_",
> "%23ah_70567::th_70002&%",
> "#ah_70567::th_70002%%",
> ]
>
> $ie.goto(href_start)
>
> link_arr.each do |key, value|
> href_addr.each do |href_arr_val|
>
> href_complete = href_start + href_arr_val
> $ie.text_field(:name, "id_href").set(href_complete)
> $ie.link(:text, key).click
> puts $ie.text_field(:name, "id_href").getContents() + " " +
> href_arr_val
>
> begin
>
> assert(result);
>
> rescue => e
>
> puts "*FAILED*." + e.message
> end
>
> end
> end
> [/code]
>
> I am fairly sure there is a simple explaination but nothing i have
> tried works so far this week.
>
> Any help would be gratfully recieved

Well, the test fails as soon as a single URL fails. That's the reason for
the behavior you're seeing. If you want a single error message that lists
all failues the way to go is to collect all failures somehow (Array, Hash)
and have it fail only if there is at least one error.

HTH

Kind regards

robert

Toby

3/1/2006 2:47:00 AM

0

As with many of these problems, hours of head banging are solved with a
single line.

i used the begin/rescue code but added a watir function call that
updates the failures. this works perfectly and returns a full list of
everything that has failed back to the ci server.

begin
assert(result);
rescue => e
add_failure(1)
puts "*FAILED*." + e.message
end


I can see the logic in 'if one fails the whole thing fails', i just
think it's good practice to see exactly what has failed rather than just
the tip of the iceberg. I'd forgotten how frustrating it is to learn a
new language, loving the challenge tho and getting to love ruby.

--
Posted via http://www.ruby-....