--- /dev/null
+use strict;
+use warnings FATAL => 'all';
+no warnings::illegalproto;
+
+use Test::More;
+
+use HTTP::Request::Common qw(GET POST);
+use Web::Dispatch;
+use HTTP::Response;
+
+my @dispatch;
+
+{
+ use Web::Simple 'MiscTest';
+
+ package MiscTest;
+ sub dispatch_request { @dispatch }
+}
+
+my $app = MiscTest->new;
+sub run_request { $app->run_test_request( @_ ); }
+
+app_is_non_plack();
+plack_app_return();
+broken_route_def();
+array_with_sub();
+array_with_no_sub();
+middleware_as_only_route();
+route_returns_middleware_plus_extra();
+route_returns_undef();
+
+done_testing();
+
+sub app_is_non_plack {
+
+ my $r = HTTP::Response->new( 999 );
+
+ my $d = Web::Dispatch->new( app => $r );
+ eval { $d->call };
+
+ like $@, qr/No idea how we got here with HTTP::Response/,
+ "Web::Dispatch dies when run with an app() that is a non-PSGI object";
+ undef $@;
+}
+
+sub plack_app_return {
+ {
+
+ package FauxPlackApp;
+ sub new { bless {}, $_[0] }
+
+ sub to_app {
+ return sub {
+ [ 999, [], [""] ];
+ };
+ }
+ }
+
+ @dispatch = (
+ sub (/) {
+ FauxPlackApp->new;
+ }
+ );
+
+ my $get = run_request( GET => 'http://localhost/' );
+
+ cmp_ok $get->code, '==', 999,
+ "when a route returns a thing that look like a Plack app, the web app redispatches to that thing";
+}
+
+sub broken_route_def {
+
+ @dispatch = ( '/' => "" );
+
+ my $get = run_request( GET => 'http://localhost/' );
+
+ cmp_ok $get->code, '==', 500, "a route definition by hash that doesn't pair a sub with a route dies";
+ like $get->content, qr[No idea how we got here with /], "the error message points out the broken definition";
+}
+
+sub array_with_sub {
+ @dispatch = (
+ sub (/) {
+ [
+ sub {
+ [ 999, [], [""] ];
+ },
+ ];
+ }
+ );
+
+ my $get = run_request( GET => 'http://localhost/' );
+
+ cmp_ok $get->code, '==', 999,
+ "if a route returns an arrayref with a single sub in it, then WD redispatches to that sub";
+}
+
+sub array_with_no_sub {
+ @dispatch = (
+ sub (/) {
+ ["moo"];
+ }
+ );
+
+ eval { run_request( GET => 'http://localhost/' ) };
+
+ like $@, qr/Can't call method "request" on an undefined value .*MockHTTP/,
+"if a route returns an arrayref with a scalar that is not a sub, then WD returns that array out of the PSGI app (and causes HTTP::Message::PSGI to choke)";
+ undef $@;
+}
+
+sub middleware_as_only_route {
+ @dispatch = ( bless {}, "Plack::Middleware" );
+
+ my $get = run_request( GET => 'http://localhost/' );
+
+ cmp_ok $get->code, '==', 500, "a route definition consisting of only a middleware causes a bail";
+ like $get->content, qr[Multiple results but first one is a middleware \(Plack::Middleware=],
+ "the error message mentions the middleware class";
+}
+
+sub route_returns_middleware_plus_extra {
+ @dispatch = (
+ sub (/) {
+ return ( bless( {}, "Plack::Middleware" ), "" );
+ }
+ );
+
+ my $get = run_request( GET => 'http://localhost/' );
+
+ cmp_ok $get->code, '==', 500, "a route returning a middleware and at least one other variable causes a bail";
+ like $get->content,
+ qr[Multiple results but first one is a middleware \(Plack::Middleware=],
+ "the error message mentions the middleware class";
+}
+
+sub route_returns_undef {
+ @dispatch = (
+ sub (/) {
+ (
+ sub(/) {
+ undef;
+ },
+ sub(/) {
+ [ 900, [], [""] ];
+ }
+ );
+ },
+ sub () {
+ [ 400, [], [""] ];
+ }
+ );
+
+ my $get = run_request( GET => 'http://localhost/' );
+
+ cmp_ok $get->code, '==', 900, "a route that returns undef causes WD to ignore it and resume dispatching";
+}