#!/usr/bin/perl

#

# Test Perl code for test coverage.

#

# The canonical version of this file is maintained in the rra-c-util package,

# which can be found at <https://www.eyrie.org/~eagle/software/rra-c-util/>.

#

# Written by Russ Allbery <eagle@eyrie.org>

# Copyright 2013, 2014

#     The Board of Trustees of the Leland Stanford Junior University

#

# Permission is hereby granted, free of charge, to any person obtaining a

# copy of this software and associated documentation files (the "Software"),

# to deal in the Software without restriction, including without limitation

# the rights to use, copy, modify, merge, publish, distribute, sublicense,

# and/or sell copies of the Software, and to permit persons to whom the

# Software is furnished to do so, subject to the following conditions:

#

# The above copyright notice and this permission notice shall be included in

# all copies or substantial portions of the Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

# DEALINGS IN THE SOFTWARE.

use 5.006;

use strict;

use warnings;

use lib 't/lib';

use File::Spec;

use Test::More;

use Test::RRA qw(skip_unless_author use_prereq);

use Test::RRA::Config qw($COVERAGE_LEVEL @COVERAGE_SKIP_TESTS);

# Skip code coverage unless author tests are enabled since it takes a long

# time, is sensitive to versions of various libraries, and does not detect

# functionality problems.

skip_unless_author('Coverage tests');

# Load prerequisite modules.

use_prereq('Devel::Cover');

use_prereq('Test::Strict');

# Build a list of test directories to use for coverage.

my %ignore = map { $_ => 1 } qw(data docs style), @COVERAGE_SKIP_TESTS;

opendir(my $testdir, 't') or BAIL_OUT("cannot open t: $!");

my @t_dirs = readdir($testdir) or BAIL_OUT("cannot read t: $!");

closedir($testdir) or BAIL_OUT("cannot close t: $!");

# Filter out ignored and system directories.

@t_dirs = grep { !$ignore{$_} } File::Spec->no_upwards(@t_dirs);

# Prepend the t directory name to the directories.

@t_dirs = map { File::Spec->catfile('t', $_) } @t_dirs;

# Disable POD coverage; that's handled separately and is confused by

# autoloading.

$Test::Strict::DEVEL_COVER_OPTIONS

  = '-coverage,statement,branch,condition,subroutine';

# Do the coverage analysis.

all_cover_ok($COVERAGE_LEVEL, @t_dirs);

# Hack to suppress "used only once" warnings.

END { $Test::Strict::DEVEL_COVER_OPTIONS = q{} }