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Re^2: Testing test function

by sedusedan (Monk)
on Sep 26, 2013 at 11:22 UTC ( #1055819=note: print w/ replies, xml ) Need Help??


in reply to Re: Testing test function
in thread Testing test function

I'm referring to Test-Simple's tests (yes, like the file you mentioned, t/More.t). Basically I have this test_foo() function that uses Test::More and does several calls to ok(), is(), is_deeply() and subtest() inside it. I want to test that test_foo() works. Specifically, aside from making sure that test_foo() can pass a test, I need to test that test_foo() can also fail a test. Something like:

#test_test_foo.t
#!perl
use Test::More;
ok( test_foo(a=>1), 'test_foo() should succeed if given a=1'); #1
ok(!test_foo(a=>2), 'test_foo() should fail if given a=2'); #2
done_testing;

That's the tricky part for me, since doing #2 will fail test_test_foo.t.

BTW, after looking at t/More.t, I also don't see that it tests failures like #2.


Comment on Re^2: Testing test function
Re^3: Testing test function
by choroba (Abbot) on Sep 26, 2013 at 11:32 UTC
    Untested: What about
    ok(! eval { test_foo(a=>2) ; 1}, 'test_foo() should fail for a=2'); is($@, 'invalid argument', 'expected error');
    لսႽ ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ
      I'm afraid that wouldn't work, because test_foo() emits TAP as well as uses the same Test::Builder instance (since it uses Test::More also) and will interfere with the test script.

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