add block helper tests

1 files changed, 341 insertions, 11 deletions

diff --git a/t/helpers.t b/t/helpers.t
index 439f191..3cc418d 100644
--- a/t/helpers.t
+++ b/t/helpers.t
@@ -14,15 +14,131 @@ render_ok(
             },
         },
     },
-    '<h1>{{title}}</h1><p>{{#noop}}{{body}}{{/noop}}</p>',
+    <<'TEMPLATE',
+<div class="entry">
+  <h1>{{title}}</h1>
+  <div class="body">
+    {{#noop}}{{body}}{{/noop}}
+  </div>
+</div>
+TEMPLATE
     { title => 'A', body => 'the first letter' },
-    '<h1>A</h1><p>the first letter</p>',
+    <<'RENDERED',
+<div class="entry">
+  <h1>A</h1>
+  <div class="body">
+    the first letter
+  </div>
+</div>
+RENDERED
     "noop helper"
 );
 
 render_ok(
     {
         helpers => {
+            with => sub {
+                my ($context, $new_context, $options) = @_;
+                return $options->{fn}->($new_context);
+            },
+        },
+    },
+    <<'TEMPLATE',
+<div class="entry">
+  <h1>{{title}}</h1>
+  {{#with story}}
+    <div class="intro">{{{intro}}}</div>
+    <div class="body">{{{body}}}</div>
+  {{/with}}
+</div>
+TEMPLATE
+    {
+        title => 'First Post',
+        story => {
+            intro => 'Before the jump',
+            body  => 'After the jump',
+        },
+    },
+    <<'RENDERED',
+<div class="entry">
+  <h1>First Post</h1>
+    <div class="intro">Before the jump</div>
+    <div class="body">After the jump</div>
+</div>
+RENDERED
+    "with helper"
+);
+
+render_ok(
+    {
+        helpers => {
+            with => sub {
+                my ($context, $new_context, $options) = @_;
+                return $options->{fn}->($new_context);
+            },
+            each => sub {
+                my ($context, $list, $options) = @_;
+
+                my $ret = '';
+                for my $new_context (@$list) {
+                    $ret .= $options->{fn}->($new_context);
+                }
+
+                return $ret;
+            },
+        },
+    },
+    <<'TEMPLATE',
+<div class="entry">
+  <h1>{{title}}</h1>
+  {{#with story}}
+    <div class="intro">{{{intro}}}</div>
+    <div class="body">{{{body}}}</div>
+  {{/with}}
+</div>
+<div class="comments">
+  {{#each comments}}
+    <div class="comment">
+      <h2>{{subject}}</h2>
+      {{{body}}}
+    </div>
+  {{/each}}
+</div>
+TEMPLATE
+    {
+        title => 'First Post',
+        story => {
+            intro => 'Before the jump',
+            body  => 'After the jump',
+        },
+        comments => [
+            { subject => "Subject A", body => "Body A" },
+            { subject => "Subject B", body => "Body B" },
+        ],
+    },
+    <<'RENDERED',
+<div class="entry">
+  <h1>First Post</h1>
+    <div class="intro">Before the jump</div>
+    <div class="body">After the jump</div>
+</div>
+<div class="comments">
+    <div class="comment">
+      <h2>Subject A</h2>
+      Body A
+    </div>
+    <div class="comment">
+      <h2>Subject B</h2>
+      Body B
+    </div>
+</div>
+RENDERED
+    "each helper"
+);
+
+render_ok(
+    {
+        helpers => {
             list => sub {
                 my ($context, $items, $options) = @_;
                 my $out = "<ul>";
@@ -31,18 +147,232 @@ render_ok(
                     $out .= "<li>" . $options->{fn}->($item) . "</li>";
                 }
 
-                return $out . "</ul>";
+                return $out . "</ul>\n";
             },
         },
     },
-    '{{#list people}}{{firstName}} {{lastName}}{{/list}}',
-    { people => [
-        { firstName => 'Jesse',  lastName => 'Luehrs' },
-        { firstName => 'Shawn',  lastName => 'Moore' },
-        { firstName => 'Stevan', lastName => 'Little' },
-    ] },
-    '<ul><li>Jesse Luehrs</li><li>Shawn Moore</li><li>Stevan Little</li></ul>',
-    "helpers with arguments"
+    <<'TEMPLATE',
+{{#list nav}}
+  <a href="{{url}}">{{title}}</a>
+{{/list}}
+TEMPLATE
+    {
+        nav => [
+            {
+                url   => 'http://www.yehudakatz.com',
+                title => 'Katz Got Your Tongue',
+            },
+            {
+                url   => 'http://www.sproutcore.com/block',
+                title => 'SproutCore Blog',
+            },
+        ],
+    },
+    <<'RENDERED',
+<ul><li>  <a href="http://www.yehudakatz.com">Katz Got Your Tongue</a>
+</li><li>  <a href="http://www.sproutcore.com/block">SproutCore Blog</a>
+</li></ul>
+RENDERED
+    "list helper"
+);
+
+render_ok(
+    {
+        helpers => {
+            if => sub {
+                my ($context, $conditional, $options) = @_;
+                if ($conditional) {
+                    return $options->{fn}->($context);
+                }
+                return '';
+            },
+        },
+    },
+    <<'TEMPLATE',
+{{#if isActive}}
+  <img src="star.gif" alt="Active">
+{{/if}}
+TEMPLATE
+    {
+        isActive => 1,
+    },
+    <<'RENDERED',
+  <img src="star.gif" alt="Active">
+RENDERED
+    "if helper (true)"
+);
+
+render_ok(
+    {
+        helpers => {
+            if => sub {
+                my ($context, $conditional, $options) = @_;
+                if ($conditional) {
+                    return $options->{fn}->($context);
+                }
+                return '';
+            },
+        },
+    },
+    <<'TEMPLATE',
+{{#if isActive}}
+  <img src="star.gif" alt="Active">
+{{/if}}
+TEMPLATE
+    {
+        isActive => 0,
+    },
+    <<'RENDERED',
+RENDERED
+    "if helper (false)"
+);
+
+{ local $TODO = "unimplemented"; local $SIG{__WARN__} = sub { };
+render_ok(
+    {
+        helpers => {
+            if => sub {
+                my ($context, $conditional, $options) = @_;
+                if ($conditional) {
+                    return $options->{fn}->($context);
+                }
+                else {
+                    return $options->{inverse}->($context);
+                }
+            },
+        },
+    },
+    <<'TEMPLATE',
+{{#if isActive}}
+  <img src="star.gif" alt="Active">
+{{else}}
+  <img src="cry.gif" alt="Inactive">
+{{/if}}
+TEMPLATE
+    {
+        isActive => 1,
+    },
+    <<'RENDERED',
+  <img src="star.gif" alt="Active">
+RENDERED
+    "if/else helper (true)"
+);
+
+render_ok(
+    {
+        helpers => {
+            if => sub {
+                my ($context, $conditional, $options) = @_;
+                if ($conditional) {
+                    return $options->{fn}->($context);
+                }
+                else {
+                    return $options->{inverse}->($context);
+                }
+            },
+        },
+    },
+    <<'TEMPLATE',
+{{#if isActive}}
+  <img src="star.gif" alt="Active">
+{{else}}
+  <img src="cry.gif" alt="Inactive">
+{{/if}}
+TEMPLATE
+    {
+        isActive => 0,
+    },
+    <<'RENDERED',
+  <img src="cry.gif" alt="Inactive">
+RENDERED
+    "if/else helper (false)"
+);
+
+render_ok(
+    {
+        helpers => {
+            list => sub {
+                my ($context, $items, $options) = @_;
+
+                my $attrs = join ' ', map { $_ => $options->{hash}{$_} }
+                                          sort keys %{ $options->{hash} };
+
+                return "<ul $attrs>"
+                     . join("\n", map {
+                           "<li>" . $options->{fn}->($_) . "</li>"
+                       } @$items)
+                     . "</ul>";
+            },
+        },
+    },
+    <<'TEMPLATE',
+{{list nav id="nav-bar" class="top"}}
+  <a href="{{url}}">{{title}}</a>
+{{/list}}
+TEMPLATE
+    {
+        nav => [
+            {
+                url   => 'http://www.yehudakatz.com',
+                title => 'Katz Got Your Tongue',
+            },
+            {
+                url   => 'http://www.sproutcore.com/block',
+                title => 'SproutCore Blog',
+            },
+        ],
+    },
+    <<'RENDERED',
+<ul class="top" id="nav-bar"><li>  <a href="http://www.yehudakatz.com">Katz Got Your Tongue</a>
+</li>
+  <a href="http://www.sproutcore.com/block">SproutCore Blog</a>
+</li></ul>
+RENDERED
+    "helper arguments"
+);
+
+render_ok(
+    {
+        helpers => {
+            list => sub {
+                my ($context, $items, $options) = @_;
+
+                my $out = "<ul>";
+                for my $item (@$items) {
+                    my $data;
+                    if ($options->{data}) {
+                        $data = $options->{create_frame}->($options->{data});
+                    }
+                    $out .= "<li>"
+                          . $options->{fn}->($item, {data => $data})
+                          . "</li>";
+                }
+
+                $out .= "</ul>";
+                return $out;
+            },
+        },
+    },
+    <<'TEMPLATE',
+{{#list array}}
+  {{@index}}. {{title}}
+{{/list}}
+TEMPLATE
+    {
+        array => [
+            "Foo",
+            "Bar",
+            "Baz",
+        ],
+    },
+    <<'RENDERED',
+<ul><li>  1. Foo
+</li><li>  2. Bar
+</li><li>  3. Baz
+</li></ul>
+RENDERED
+    "helper private variables"
 );
+}
 
 done_testing;