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#!perl

use strict;
use warnings;

use FindBin;
use lib "$FindBin::Bin/lib";

use Test::More;
use Catalyst::Test 'TestApp';

use Text::Diff;

use FindBin;

my $root = $FindBin::Bin;

my ($stderr, $old_stderr);
BEGIN {
    no warnings 'redefine';

    *Catalyst::Test::local_request = sub {
        my ( $class, $request ) = @_;

        require HTTP::Request::AsCGI;
        my $cgi = HTTP::Request::AsCGI->new( $request, %ENV )->setup;

        $class->handle_request;

        return $cgi->restore->response;
    };
}
#local $SIG{__DIE__} = sub {
#close STDERR;
#open(STDERR, ">&SAVEERR");
#print $stderr . "\n";
#};
open(SAVEERR, ">&STDERR");
close STDERR or print "cannot close STDERR\n";
open(STDERR, ">", \$stderr) or print "CAnnot open: $!\n";

run_tests();
close STDERR;
open(STDERR, ">&SAVEERR");

sub reset_stderr {
    close STDERR or print "cannot close STDERR\n";
    print "# Current stderr: " . $stderr . "\n";
    $stderr = '';
    open(STDERR, ">", \$stderr) or print "# Cannot open: $!\n";
}

sub run_tests {

    # test first available view
    is($stderr, undef, 'empty stderr at start');
    reset_stderr();
    {
        my $expected = '200 request OK';
        my $request  =
          HTTP::Request->new( GET => 'http://localhost:3000/test_ok' );

        ok( my $response = request($request), 'Request' );
        ok( $response->is_success, 'Response Successful 2xx' );
        is( $response->header( 'Content-Type' ), 'text/html; charset=utf-8', 'Content Type' );
        is( $response->code, 200, 'Response Code' );

        is($response->content, $expected, 'Content OK' );
        is( $stderr, '', "No stderr output");
    }

    reset_stderr();
    # Lets test a dying action
    {
        my $expected = qr|500 error happened.*"Death by action at .*/lib/TestApp/Controller/Root.pm line \d+."|s;
        my $request  =
          HTTP::Request->new( GET => 'http://localhost:3000/test_die' );

        ok( my $response = request($request), 'Request' );
        ok( ! $response->is_success, 'Response Successful 2xx' );
        is( $response->header( 'Content-Type' ), 'text/html; charset=utf-8', 'Content Type' );
        is( $response->code, 500, 'Response Code' );
        my $content = $response->content;

        like( $response->content, $expected, 'Content OK' );
        like( $stderr,
            qr|^\[error\] Caught exception in TestApp::Controller::Root->test_die "Death by action at [^\n]*/lib/TestApp/Controller/Root\.pm line \d+\."$|s
        );
    }
    reset_stderr();
    # lets test a dying view
    {
        my $expected = qr|5xx error happened.*"Death by view at .*/lib/TestApp/View/Default.pm line \d+."|s;

        my $request  =
          HTTP::Request->new( GET => 'http://localhost:3000/test_view_death' );

        ok( my $response = request($request), 'Request' );
        ok( ! $response->is_success, 'Response Successful 2xx' );
        is( $response->header( 'Content-Type' ), 'text/html; charset=utf-8', 'Content Type' );
        is( $response->code, 501, 'Response Code' );

        like( $response->content, $expected, 'Content OK' );
        is( $stderr, '', "5xx erros should not be logged");
    }
    reset_stderr();

    # lets try a 4xx error to test fallback
    {
        my $expected = 'Something awfull happened';
        my $request  =
          HTTP::Request->new( GET => 'http://localhost:3000/test_4xx' );

        ok( my $response = request($request), 'Request' );
        ok( ! $response->is_success, 'Response Successful 2xx' );
        is( $response->header( 'Content-Type' ), 'text/html; charset=utf-8', 'Content Type' );
        is( $response->code, 401, 'Response Code' );

        is( $response->content, $expected, 'Content OK' );
        is( $stderr, '[error] Couldn\'t render template "file error - test_4xx: not found"' . "\n", "we cannot render the template");

    }
    reset_stderr();

    # lets try a 404 error to render template
    {
        my $expected = qq{Page not found};
        my $request  =
          HTTP::Request->new( GET => 'http://localhost:3000/test_404' );

        ok( my $response = request($request), 'Request' );
        ok( ! $response->is_success, 'Response Successful 2xx' );
        is( $response->header( 'Content-Type' ), 'text/html; charset=utf-8', 'Content Type' );
        is( $response->code, 404, 'Response Code' );
        is( $response->content, $expected, 'Content OK' );
        is( $stderr, '[error] Couldn\'t render template "file error - test_404: not found"' . "\n", "we cannot render the template");
    }
    reset_stderr();
    # lets check if die supersedes redirect
    {
        my $request = HTTP::Request->
            new( GET => 'http://localhost:3000/test_redirect_then_die' );
        ok( my $response = request($request), 'Request' );
        is( $response->code, 500, 'Should be internal server error');
        is( + $response->redirects, 0, "No redirects happened");
        is( $response->is_redirect, '', "we don't get a redirect response");
    }
    reset_stderr();
}

done_testing();