add simple tests

t/01-simple.t

@@ -0,0 +1,26 @@
+use strict;
+use warnings;
+use Test::More tests => 2;
+use Dancer::FileUtils 'path';
+
+use Dancer::Template::HtmlTemplate;
+
+my $engine;
+eval { $engine = Dancer::Template::HtmlTemplate->new };
+is $@, '',
+  "Dancer::Template::HtmlTemplate engine created";
+
+my $template = path('t', 'index.tt');
+my $result = $engine->render(
+    $template,
+    {   var1 => 1,
+        var2 => 2,
+        foo  => 'one',
+        bar  => 'two',
+        baz  => 'three'
+    }
+);
+
+my $expected =
+  'this is var1="1" and var2=2' . "\n\nanother line\n\none two three\n";
+is $result, $expected, "processed a template given as a file name";

t/index.tt

@@ -0,0 +1,5 @@
+this is var1="<TMPL_VAR NAME=var1 >" and var2=<TMPL_VAR NAME= var2 >
+
+another line
+
+<TMPL_VAR NAME=foo> <TMPL_VAR NAME=bar> <TMPL_VAR NAME=baz>