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-rw-r--r--src/test/perl/TestLib.pm31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/perl/TestLib.pm b/src/test/perl/TestLib.pm
index f94a71cd8e3..541c2108481 100644
--- a/src/test/perl/TestLib.pm
+++ b/src/test/perl/TestLib.pm
@@ -31,6 +31,7 @@ our @EXPORT = qw(
system_or_bail
system_log
run_log
+ pump_until
command_ok
command_fails
@@ -232,6 +233,36 @@ sub run_log
return IPC::Run::run(@_);
}
+=pod
+
+=item pump_until(proc, timeout, stream, until)
+
+Pump until string is matched on the specified stream, or timeout occurs.
+
+=cut
+
+sub pump_until
+{
+ my ($proc, $timeout, $stream, $until) = @_;
+ $proc->pump_nb();
+ while (1)
+ {
+ last if $$stream =~ /$until/;
+ if ($timeout->is_expired)
+ {
+ diag("pump_until: timeout expired when searching for \"$until\" with stream: \"$$stream\"");
+ return 0;
+ }
+ if (not $proc->pumpable())
+ {
+ diag("pump_until: process terminated unexpectedly when searching for \"$until\" with stream: \"$$stream\"");
+ return 0;
+ }
+ $proc->pump();
+ }
+ return 1;
+}
+
# Generate a string made of the given range of ASCII characters
sub generate_ascii_string
{