Further improvements to tests

- focus on wrapper cases
- divs and sections
- extra case for <div><b></b></div>

tests/unit/parsers/dom-test.js

@@ -67,12 +67,15 @@ let expectations = [
 
   // See https://github.com/bustle/mobiledoc-kit/issues/333
   ['abc\ndef', ['abc def']],
+];
 
+let structures = [
   // See https://github.com/bustle/mobiledoc-kit/issues/648
-  ['<div><p>first</p><p>second</p></div>', ['first', 'second']],
-  ['<div><div><p>first</p><p>second</p></div></div>', ['first', 'second']],
-  ['<div><div><p>first</p></div><p>second</p></div>', ['first', 'second']],
-  ['<div><p>first</p><div><p>second</p></div></div>', ['first', 'second']]
+  ['<section><p>first</p><p>second</p></section>', ['first','second'], 'one level'],
+  ['<section><div><p>first</p><p>second</p></div></section>', ['first', 'second'], 'two levels'],
+  ['<section><div><div><p>first</p><p>second</p></div></div></section>', ['first', 'second'], 'three levels'],
+  ['<section><div><p>first</p></div><p>second</p></section>', ['first', 'second'], 'offset left'],
+  ['<section><p>first</p><div><p>second</p></div></section>', ['first', 'second'], 'offset right']
 ];
 
 expectations.forEach(([html, dslText]) => {
@@ -84,6 +87,15 @@ expectations.forEach(([html, dslText]) => {
   });
 });
 
+structures.forEach(([html, dslText, name]) => {
+  test(`wrapped#parse ${html} -> ${dslText} (${name})`, (assert) => {
+    let post = parser.parse(buildDOM(html));
+    let { post: expected } = buildFromText(dslText);
+
+    assert.postIsSimilar(post, expected);
+  });
+});
+
 test('editor#parse fixes text in atom headTextNode when atom is at start of section', (assert) => {
   let done = assert.async();
   let {post: expected} = buildFromText(['X@("name": "mention", "value": "bob")']);
@@ -221,6 +233,28 @@ test('strong tag + em + text node creates section', (assert) => {
   assert.ok(!m2.hasMarkup('em'), 'm1 is not em');
 });
 
+test('wrapped strong tag + em + text node creates section', (assert) => {
+  let element = buildDOM('<div><b><em>stray</em> markup tags</b></div>');
+  const post = parser.parse(element);
+
+  assert.equal(post.sections.length, 1, 'parse 1 section');
+  assert.equal(post.sections.objectAt(0).text, 'stray markup tags');
+
+  let markers = post.sections.objectAt(0).markers.toArray();
+  assert.equal(markers.length, 2, '2 markers');
+
+  let [m1, m2] = markers;
+
+  assert.equal(m1.value, 'stray');
+  assert.equal(m2.value, ' markup tags');
+
+  assert.ok(m1.hasMarkup('b'), 'm1 is b');
+  assert.ok(m1.hasMarkup('em'), 'm1 is em');
+
+  assert.ok(m2.hasMarkup('b'), 'm2 is b');
+  assert.ok(!m2.hasMarkup('em'), 'm1 is not em');
+});
+
 test('link (A tag) is parsed', (assert) => {
   let url = 'http://bustle.com',
       rel = 'nofollow';