From: Vincent Pit <perl@profvince.com>
Date: Fri, 30 Oct 2015 14:48:37 +0000 (-0200)
Subject: Improve diagnostics when t/20-bad.t fails
X-Git-Tag: v1.15~10
X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2FTest-Valgrind.git;a=commitdiff_plain;h=eb5a898c606b10dc7ffd4038ef8fc3690bb22367

Improve diagnostics when t/20-bad.t fails

In particular, make sure it always passes/fails the right number of tests.
---

diff --git a/t/lib/Test/Valgrind/Test/Action.pm b/t/lib/Test/Valgrind/Test/Action.pm
index 369a921..c56eb03 100644
--- a/t/lib/Test/Valgrind/Test/Action.pm
+++ b/t/lib/Test/Valgrind/Test/Action.pm
@@ -16,7 +16,7 @@ BEGIN {
  if ($@) {
   $extra_tests = 0;
  } else {
-  $extra_tests = 2;
+  $extra_tests = 3;
   *report = *report_smart;
  }
 }
@@ -25,6 +25,8 @@ use Test::Builder;
 
 sub new { shift->SUPER::new(extra_tests => $extra_tests) }
 
+my @filtered_reports;
+
 sub report_smart {
  my ($self, $sess, $report) = @_;
 
@@ -39,10 +41,11 @@ sub report_smart {
   );
 
   if ($valid_trace) {
-   my $tb = Test::Builder->new;
-   $tb->diag("The subsequent report was correctly caught:\n" . $report->dump);
-   $tb->is_eq($data->{leakedbytes},  10_000, '10_000 bytes leaked');
-   $tb->is_eq($data->{leakedblocks}, 1,      '  in one block');
+   push @filtered_reports, [
+    $report->dump,
+    $data->{leakedbytes},
+    $data->{leakedblocks},
+   ];
    return;
   }
  }
@@ -50,4 +53,28 @@ sub report_smart {
  $self->SUPER::report($sess, $report);
 }
 
+sub DESTROY {
+ return unless $extra_tests;
+
+ my $tb = Test::Builder->new;
+
+ $tb->is_eq(scalar(@filtered_reports), 1, 'caught one extra leak');
+
+ if (@filtered_reports) {
+  my $first = shift @filtered_reports;
+  $tb->diag("The subsequent report was correctly caught:\n" . $first->[0]);
+  $tb->is_eq($first->[1], 10_000, '10_000 bytes leaked');
+  $tb->is_eq($first->[2], 1,      '  in one block');
+
+  for my $extra_report (@filtered_reports) {
+   $tb->diag(
+    "The subsequent report should NOT have been caught:\n" . $extra_report->[0]
+   );
+  }
+ } else {
+  $tb->ok(0, 'no extra leak caught, hence no bytes leaked');
+  $tb->ok(0, 'no extra leak caught, hence no block leaked');
+ }
+}
+
 1;