+sub find_and_slurp {
+ my ($dir, $theme, $lang) = @_;
+
+ my $filename = C4::XSLT::_get_best_default_xslt_filename($dir, $theme, $lang, 'my_file.xslt');
+ open my $fh, '<', $filename;
+ my $str = <$fh>;
+ close $fh;
+ return $str;
+}
+
+# These tests verify that we're finding the right XSLT file when present,
+# and falling back to the right XSLT file when an exact match is not present.
+is(find_and_slurp($dir, 'test', 'en' ), 'Theme test, language en', 'Found test/en');
+is(find_and_slurp($dir, 'test', 'es-ES'), 'Theme test, language es-ES', 'Found test/es-ES');
+is(find_and_slurp($dir, 'prog', 'en', ), 'Theme prog, language en', 'Found test/en');
+is(find_and_slurp($dir, 'prog', 'es-ES'), 'Theme prog, language es-ES', 'Found test/es-ES');
+is(find_and_slurp($dir, 'test', 'fr-FR'), 'Theme test, language en', 'Fell back to test/en for test/fr-FR');
+is(find_and_slurp($dir, 'nope', 'es-ES'), 'Theme prog, language es-ES', 'Fell back to prog/es-ES for nope/es-ES');
+is(find_and_slurp($dir, 'nope', 'fr-FR'), 'Theme prog, language en', 'Fell back to prog/en for nope/fr-FR');
+
+my $matching_string = q{<syspref name="singleBranchMode">0</syspref>};
+my $sysprefs_xml = C4::XSLT::get_xslt_sysprefs();
+ok( $sysprefs_xml =~ m/$matching_string/, 'singleBranchMode has a value of 0');
+