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config-finder.t
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config-finder.t
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#!perl -T
use strict;
use warnings;
use lib 't';
use Util;
use Cwd qw(realpath);
use File::Spec;
use File::Temp;
use Test::Builder;
use Test::More;
use App::Ack::ConfigFinder;
my $tmpdir = $ENV{'TMPDIR'};
my $home = $ENV{'HOME'};
for ( $tmpdir, $home ) {
s{/$}{} if defined;
}
if ( $tmpdir && ($tmpdir =~ /^\Q$home/) ) {
plan skip_all => "Your \$TMPDIR ($tmpdir) is set to a descendant directory of your home directory. This test is known to fail with such a setting. Please set your TMPDIR to something else to get this test to pass.";
exit;
}
plan tests => 26;
# Set HOME to a known value, so we get predictable results:
$ENV{'HOME'} = realpath('t/home');
# Clear the users ACKRC so it doesn't throw out expect_ackrcs().
delete $ENV{'ACKRC'};
{
# The tests blow up on Windows if the global files don't exist,
# so here we create them if they don't, keeping track of the ones
# we make so we can delete them later.
my @created_globals;
sub set_up_globals {
my (@files) = @_;
foreach my $path (@files) {
my $filename = $path->{path};
if ( not -e $filename ) {
touch_ackrc( $filename );
push @created_globals, $path;
}
}
return;
}
sub clean_up_globals {
foreach my $path (@created_globals) {
my $filename = $path->{path};
unlink $filename or warn "Couldn't unlink $path";
}
return;
}
}
sub no_home (&) { ## no critic (ProhibitSubroutinePrototypes)
my ( $fn ) = @_;
my $home = delete $ENV{'HOME'}; # Localized delete isn't supported in earlier Perls.
$fn->();
$ENV{'HOME'} = $home; # XXX this won't work on exceptions...
return;
}
my $finder;
sub expect_ackrcs {
local $Test::Builder::Level = $Test::Builder::Level + 1;
my $expected = shift;
my $name = shift;
my @got = $finder->find_config_files;
my @expected = @{$expected};
foreach my $element (@got, @expected) {
$element->{'path'} = realpath($element->{'path'});
}
is_deeply( \@got, \@expected, $name ) or diag(explain(\@got));
return;
}
my @global_files;
if ( is_windows() ) {
require Win32;
@global_files = map { +{ path => File::Spec->catfile($_, 'ackrc') } } (
Win32::GetFolderPath(Win32::CSIDL_COMMON_APPDATA()),
Win32::GetFolderPath(Win32::CSIDL_APPDATA()),
);
}
else {
@global_files = (
{ path => '/etc/ackrc' },
);
}
if ( is_windows() || is_cygwin() ) {
set_up_globals( @global_files );
}
my @std_files = (@global_files, { path => File::Spec->catfile($ENV{'HOME'}, '.ackrc') });
my $wd = getcwd_clean();
my $tempdir = File::Temp->newdir;
safe_chdir( $tempdir->dirname );
$finder = App::Ack::ConfigFinder->new;
expect_ackrcs \@std_files, 'having no project file should return only the top level files';
no_home {
expect_ackrcs \@global_files, 'only system-wide ackrc is returned if HOME is not defined with no project files';
};
safe_mkdir( 'foo' );
safe_mkdir( File::Spec->catdir('foo', 'bar') );
safe_mkdir( File::Spec->catdir('foo', 'bar', 'baz') );
safe_chdir( File::Spec->catdir('foo', 'bar', 'baz') );
touch_ackrc( '.ackrc' );
expect_ackrcs [ @std_files, { project => 1, path => File::Spec->rel2abs('.ackrc') }], 'a project file in the same directory should be detected';
no_home {
expect_ackrcs [ @global_files, { project => 1, path => File::Spec->rel2abs('.ackrc') } ], 'a project file in the same directory should be detected';
};
unlink '.ackrc';
my $project_file = File::Spec->catfile($tempdir->dirname, 'foo', 'bar', '.ackrc');
touch_ackrc( $project_file );
expect_ackrcs [ @std_files, { project => 1, path => $project_file } ], 'a project file in the parent directory should be detected';
no_home {
expect_ackrcs [ @global_files, { project => 1, path => $project_file } ], 'a project file in the parent directory should be detected';
};
unlink $project_file;
$project_file = File::Spec->catfile($tempdir->dirname, 'foo', '.ackrc');
touch_ackrc( $project_file );
expect_ackrcs [ @std_files, { project => 1, path => $project_file } ], 'a project file in the grandparent directory should be detected';
no_home {
expect_ackrcs [ @global_files, { project => 1, path => $project_file } ], 'a project file in the grandparent directory should be detected';
};
touch_ackrc( '.ackrc' );
expect_ackrcs [ @std_files, { project => 1, path => File::Spec->rel2abs('.ackrc') } ], 'a project file in the same directory should be detected, even with another one above it';
no_home {
expect_ackrcs [ @global_files, { project => 1, path => File::Spec->rel2abs('.ackrc') } ], 'a project file in the same directory should be detected, even with another one above it';
};
unlink '.ackrc';
unlink $project_file;
touch_ackrc( '_ackrc' );
expect_ackrcs [ @std_files, { project => 1, path => File::Spec->rel2abs('_ackrc') } ], 'a project file in the same directory should be detected';
no_home {
expect_ackrcs [ @global_files, { project => 1, path => File::Spec->rel2abs('_ackrc') } ], 'a project file in the same directory should be detected';
};
unlink '_ackrc';
$project_file = File::Spec->catfile($tempdir->dirname, 'foo', '_ackrc');
touch_ackrc( $project_file );
expect_ackrcs [ @std_files, { project => 1, path => $project_file } ], 'a project file in the grandparent directory should be detected';
no_home {
expect_ackrcs [ @global_files, { project => 1, path => $project_file } ], 'a project file in the grandparent directory should be detected';
};
touch_ackrc( '_ackrc' );
expect_ackrcs [ @std_files, { project => 1, path => File::Spec->rel2abs('_ackrc') } ], 'a project file in the same directory should be detected, even with another one above it';
no_home {
expect_ackrcs [ @global_files, { project => 1, path => File::Spec->rel2abs('_ackrc') } ], 'a project file in the same directory should be detected, even with another one above it';
};
unlink $project_file;
touch_ackrc( '.ackrc' );
my $ok = eval { $finder->find_config_files };
my $err = $@;
ok( !$ok, '.ackrc + _ackrc is error' );
like( $err, qr/contains both \.ackrc and _ackrc/, 'Got the expected error' );
no_home {
$ok = eval { $finder->find_config_files };
$err = $@;
ok( !$ok, '.ackrc + _ackrc is error' );
like( $err, qr/contains both \.ackrc and _ackrc/, 'Got the expected error' );
};
unlink '.ackrc';
$project_file = File::Spec->catfile($tempdir->dirname, 'foo', '.ackrc');
touch_ackrc( $project_file );
expect_ackrcs [ @std_files, { project => 1, path => File::Spec->rel2abs('_ackrc') }], 'a lower-level _ackrc should be preferred to a higher-level .ackrc';
no_home {
expect_ackrcs [ @global_files, { project => 1, path => File::Spec->rel2abs('_ackrc') } ], 'a lower-level _ackrc should be preferred to a higher-level .ackrc';
};
unlink '_ackrc';
do {
local $ENV{'HOME'} = File::Spec->catdir($tempdir->dirname, 'foo');
my $user_file = File::Spec->catfile($tempdir->dirname, 'foo', '.ackrc');
touch_ackrc( $user_file );
expect_ackrcs [ @global_files, { path => $user_file } ], q{don't load the same ackrc file twice};
unlink($user_file);
};
do {
safe_chdir( $tempdir->dirname );
local $ENV{'HOME'} = File::Spec->catfile($tempdir->dirname, 'foo');
my $user_file = File::Spec->catfile($ENV{'HOME'}, '.ackrc');
touch_ackrc( $user_file );
my $ackrc = File::Temp->new;
close $ackrc;
local $ENV{'ACKRC'} = $ackrc->filename;
expect_ackrcs [ @global_files, { path => $ackrc->filename } ], q{ACKRC overrides user's HOME ackrc};
unlink $ackrc->filename;
expect_ackrcs [ @global_files, { path => $user_file } ], q{ACKRC doesn't override if it doesn't exist};
touch_ackrc( $ackrc->filename );
safe_chdir( 'foo' );
expect_ackrcs [ @global_files, { path => $ackrc->filename}, { project => 1, path => $user_file } ], q{~/.ackrc should still be found as a project ackrc};
unlink $ackrc->filename;
};
safe_chdir( $wd );
clean_up_globals();