HTML producer test. Uses HTML::Parser.

[dbsrgits/SQL-Translator.git] / t / 29html.t

diff --git a/t/29html.t b/t/29html.t
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+#!/usr/local/bin/perl -w
+# vim: set ft=perl:
+
+# This test creates an HTML::Parser instance and uses it to selectively
+# parse the output of the HTML producer.  Rather than try to ensure
+# that the produced HTML turns into a particular parse tree or anything
+# like that, it performs some heuristics on the output.
+
+use strict;
+use vars qw(%HANDLERS);
+use Test::More;
+use SQL::Translator;
+use Data::Dump qw(dump);
+
+my ($p, $tables, $classes);
+eval {
+    require HTML::Parser;
+    $p = HTML::Parser->new(api_version => 3);
+    $p->strict_names(1); 
+};
+if ($@) {
+    plan skip_all => "Missing HTML::Parser";
+}
+
+my $create = q|
+CREATE TABLE foo (
+    int id PRIMARY KEY AUTO_INCREMENT NOT NULL,
+    name VARCHAR(255)
+);
+|;
+
+my $tr = SQL::Translator->new(parser => 'MySQL', producer => 'HTML');
+my $parsed = $tr->translate(data => $create);
+my $status;
+
+eval {
+    $status = $p->parse($parsed);    
+};
+if ($@) {
+    plan tests => 1;
+    fail("Unable to parse the output!");
+    exit 1;
+}
+
+plan tests => 5;
+
+# General
+ok($parsed, "Parsed table OK");
+ok($status, "Parsed HTML OK");
+
+$p->handler(start => @{$HANDLERS{count_tables}});
+$p->parse($parsed);
+
+is($tables, 2, "One table in the SQL produces 2 <table> tags");
+$tables = $classes = 0;
+
+$p->handler(start => @{$HANDLERS{count_classes}});
+$p->parse($parsed);
+
+is($classes, 1, "One 'LinkTable' class");
+$tables = $classes = 0;
+
+$p->handler(start => @{$HANDLERS{sqlfairy}});
+$p->parse($parsed);
+
+is($classes, 1, "SQLfairy plug is alive and well ");
+$tables = $classes = 0;
+
+# Handler functions for the parser
+BEGIN {
+    %HANDLERS = (
+        count_tables => [
+            sub {
+                my $tagname = shift;
+                $tables++ if ($tagname eq 'table');
+            }, 'tagname',
+        ],
+
+        count_classes => [
+            sub {
+                my ($tagname, $attr) = @_;
+                if ($tagname eq 'table' &&
+                    $attr->{'class'} &&
+                    $attr->{'class'} eq 'LinkTable') {
+                    $classes++;
+                }
+            }, 'tagname,attr',
+        ],
+
+        sqlfairy => [
+            sub {
+                my ($tagname, $attr) = @_;
+                if ($tagname eq 'a' &&
+                    $attr->{'href'} &&
+                    $attr->{'href'} =~ /sqlfairy/i) {
+                    $classes++;
+                }
+            }, 'tagname,attr',
+        ], 
+    );
+}