tests: favor 3 argument `open' with interopolation

[public-inbox.git] / t / lei_to_mail.t

diff --git a/t/lei_to_mail.t b/t/lei_to_mail.t
index e8958c64c46c73b6ae38feeef8718c2b7bd9e2f3..d692751c69acd4f8b2e5f8e7833e32a59978a436 100644 (file)
--- a/t/lei_to_mail.t
+++ b/t/lei_to_mail.t
@@ -1,5 +1,5 @@
 #!perl -w
-# Copyright (C) 2020-2021 all contributors <meta@public-inbox.org>
+# Copyright (C) all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 use strict;
 use v5.10.1;
@@ -260,7 +260,7 @@ SKIP: { # FIFO support
 
        my @f;
        $mdr->maildir_each_file($md, sub { push @f, shift });
-       open my $fh, $f[0] or BAIL_OUT $!;
+       open my $fh, '<', $f[0] or BAIL_OUT $!;
        is(do { local $/; <$fh> }, $buf, 'wrote to Maildir');
 
        $wcb = $wcb_get->('maildir', $md);
@@ -271,7 +271,7 @@ SKIP: { # FIFO support
        $mdr->maildir_each_file($md, sub { push @x, shift });
        is(scalar(@x), 1, 'wrote one new file');
        ok(!-f $f[0], 'old file clobbered');
-       open $fh, $x[0] or BAIL_OUT $!;
+       open $fh, '<', $x[0] or BAIL_OUT $!;
        is(do { local $/; <$fh> }, $buf."\nx\n", 'wrote new file to Maildir');
 
        local $lei->{opt}->{augment} = 1;
@@ -283,9 +283,9 @@ SKIP: { # FIFO support
        is(scalar grep(/\A\Q$x[0]\E\z/, @f), 1, 'old file still there');
        my @new = grep(!/\A\Q$x[0]\E\z/, @f);
        is(scalar @new, 1, '1 new file written (b4dc0ffee skipped)');
-       open $fh, $x[0] or BAIL_OUT $!;
+       open $fh, '<', $x[0] or BAIL_OUT $!;
        is(do { local $/; <$fh> }, $buf."\nx\n", 'old file untouched');
-       open $fh, $new[0] or BAIL_OUT $!;
+       open $fh, '<', $new[0] or BAIL_OUT $!;
        is(do { local $/; <$fh> }, $buf."\ny\n", 'new file written');
 }