implement the built-in block helpers

1 files changed, 178 insertions, 0 deletions

diff --git a/t/block-helper-builtins.t b/t/block-helper-builtins.t
new file mode 100644
index 0000000..338e067
--- /dev/null
+++ b/t/block-helper-builtins.t
@@ -0,0 +1,178 @@
+#!/usr/bin/env perl
+use strict;
+use warnings;
+use lib 't/lib';
+use Test::More;
+use Test::Handlebars;
+
+render_ok(
+    <<'TEMPLATE',
+<div class="entry">
+  <h1>{{title}}</h1>
+
+  {{#with author}}
+  <h2>By {{firstName}} {{lastName}}</h2>
+  {{/with}}
+</div>
+TEMPLATE
+    {
+        title  => 'My first post!',
+        author => {
+            firstName => 'Charles',
+            lastName  => 'Jolley',
+        },
+    },
+    <<'RENDERED',
+<div class="entry">
+  <h1>My first post!</h1>
+
+  <h2>By Charles Jolley</h2>
+</div>
+RENDERED
+    "with helper"
+);
+
+{ local $TODO = "unimplemented"; local $SIG{__WARN__} = sub { };
+render_ok(
+    <<'TEMPLATE',
+<ul class="people_list">
+  {{#each people}}
+  <li>{{this}}</li>
+  {{/each}}
+</ul>
+TEMPLATE
+    {
+        people => [
+            "Yehuda Katz",
+            "Alan Johnson",
+            "Charles Jolley",
+        ],
+    },
+    <<'RENDERED',
+<ul class="people_list">
+  <li>Yehuda Katz</li>
+  <li>Alan Johnson</li>
+  <li>Charles Jolley</li>
+</ul>
+RENDERED
+    "each helper"
+);
+}
+
+render_ok(
+    <<'TEMPLATE',
+<div class="entry">
+  {{#if author}}
+  <h1>{{firstName}} {{lastName}}</h1>
+  {{/if}}
+</div>
+TEMPLATE
+    {},
+    <<'RENDERED',
+<div class="entry">
+</div>
+RENDERED
+    "if helper (false)"
+);
+
+render_ok(
+    <<'TEMPLATE',
+<div class="entry">
+  {{#if author}}
+  <h1>{{firstName}} {{lastName}}</h1>
+  {{/if}}
+</div>
+TEMPLATE
+    {
+        author    => 1,
+        firstName => "Yehuda",
+        lastName  => "Katz",
+    },
+    <<'RENDERED',
+<div class="entry">
+  <h1>Yehuda Katz</h1>
+</div>
+RENDERED
+    "if helper (true)"
+);
+
+{ local $TODO = "unimplemented";
+render_ok(
+    <<'TEMPLATE',
+<div class="entry">
+  {{#if author}}
+    <h1>{{firstName}} {{lastName}}</h1>
+  {{else}}
+    <h1>Unknown Author</h1>
+  {{/if}}
+</div>
+TEMPLATE
+    {},
+    <<'RENDERED',
+<div class="entry">
+    <h1>Unknown Author</h1>
+</div>
+RENDERED
+    "if/else helper (false)"
+);
+
+render_ok(
+    <<'TEMPLATE',
+<div class="entry">
+  {{#if author}}
+    <h1>{{firstName}} {{lastName}}</h1>
+  {{else}}
+    <h1>Unknown Author</h1>
+  {{/if}}
+</div>
+TEMPLATE
+    {
+        author    => 1,
+        firstName => "Yehuda",
+        lastName  => "Katz",
+    },
+    <<'RENDERED',
+<div class="entry">
+    <h1>Yehuda Katz</h1>
+</div>
+RENDERED
+    "if/else helper (true)"
+);
+}
+
+render_ok(
+    <<'TEMPLATE',
+<div class="entry">
+  {{#unless license}}
+  <h3 class="warning">WARNING: This entry does not have a license!</h3>
+  {{/unless}}
+</div>
+TEMPLATE
+    {},
+    <<'RENDERED',
+<div class="entry">
+  <h3 class="warning">WARNING: This entry does not have a license!</h3>
+</div>
+RENDERED
+    "unless helper (false)"
+);
+
+render_ok(
+    <<'TEMPLATE',
+<div class="entry">
+  {{#unless license}}
+  <h3 class="warning">WARNING: This entry does not have a license!</h3>
+  {{/unless}}
+</div>
+TEMPLATE
+    {
+        license => 1,
+    },
+    <<'RENDERED',
+<div class="entry">
+</div>
+RENDERED
+    "unless helper (true)"
+);
+
+done_testing;