Add tests + Travis

.travis.yml

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+language: dart
+dart:
+  - dev
+  - stable

README.md

@@ -1,4 +1,7 @@
 # seo
+[![Pub](https://img.shields.io/pub/v/angel_seo.svg)](https://pub.dartlang.org/packages/angel_seo)
+[![build status](https://travis-ci.org/angel-dart/seo.svg?branch=master)](https://travis-ci.org/angel-dart/seo)
+
 Helpers for building SEO-friendly Web pages in Angel. The goal of
 `package:angel_seo` is to speed up perceived client page loads, prevent
 the infamous

pubspec.yaml

@@ -1,9 +1,17 @@
 name: angel_seo
+description: Helpers for building SEO-friendly Web pages in Angel.
+author: Tobe O <thosakwe@gmail.com>
+homepage: https://github.com/angel-dart/seo
+version: 1.0.0
+environment:
+  sdk: ">=1.8.0 <3.0.0"
 dependencies:
   angel_framework: ^1.0.0-dev
+  angel_static: ^1.3.0
   dart2_constant: ^1.0.0
   file: ^2.0.0
   html: ^0.13.0
   path: ^1.0.0
 dev_dependencies:
-  angel_static: ^1.3.0
+  angel_test: ^1.0.0
+  test: ^0.12.0

test/inline_assets_test.dart

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+import 'package:angel_framework/angel_framework.dart';
+import 'package:angel_seo/angel_seo.dart';
+import 'package:angel_static/angel_static.dart';
+import 'package:angel_test/angel_test.dart';
+import 'package:dart2_constant/convert.dart';
+import 'package:file/file.dart';
+import 'package:file/memory.dart';
+import 'package:html/dom.dart' as html;
+import 'package:html/parser.dart' as html;
+import 'package:test/test.dart';
+
+void main() {
+  group('inlineAssets', () {
+    group('buffer', inlineAssetsTests((app, dir) {
+      app.get('/', (ResponseContext res) async {
+        var indexHtml = dir.childFile('index.html');
+        var contents = await indexHtml.readAsString();
+        res
+          ..headers['content-type'] = 'text/html; charset=utf-8'
+          ..buffer.add(utf8.encode(contents));
+      });
+
+      app.responseFinalizers.add(inlineAssets(dir));
+    }));
+
+    group('virtual_directory', inlineAssetsTests((app, dir) {
+      var vDir = inlineAssetsFromVirtualDirectory(
+          new VirtualDirectory(app, dir.fileSystem, source: dir));
+      app.use(vDir.handleRequest);
+    }));
+  });
+}
+
+void Function() inlineAssetsTests(void Function(Angel, Directory) f) {
+  return () {
+    TestClient client;
+
+    setUp(() async {
+      var app = new Angel();
+      var fs = new MemoryFileSystem();
+      var dir = fs.currentDirectory;
+      f(app, dir);
+      client = await connectTo(app);
+
+      for (var path in contents.keys) {
+        var file = fs.file(path);
+        await file.writeAsString(contents[path].trim());
+      }
+    });
+
+    tearDown(() => client.close());
+
+    group('sends html', () {
+      html.Document doc;
+
+      setUp(() async {
+        var res = await client.get('/', headers: {'accept': 'text/html'});
+        doc = html.parse(res.body);
+      });
+
+      group('stylesheets', () {
+        test('replaces <link> with <style>', () {
+          expect(doc.querySelectorAll('link'), hasLength(1));
+        });
+
+        test('populates a <style>', () {
+          var style = doc.querySelector('style');
+          expect(style.innerHtml.trim(), contents['site.css']);
+        });
+
+        test('heeds data-no-inline', () {
+          var link = doc.querySelector('link');
+          expect(link.attributes, containsPair('rel', 'stylesheet'));
+          expect(link.attributes, containsPair('href', 'not-inlined.css'));
+          expect(link.attributes.keys, isNot(contains('data-no-inline')));
+        });
+
+        test('preserves other attributes', () {
+          var link = doc.querySelector('link');
+          expect(link.attributes, containsPair('data-foo', 'bar'));
+        });
+      });
+
+      group('scripts', () {
+        test('does not replace <script> with anything', () {
+          expect(doc.querySelectorAll('script'), hasLength(2));
+        });
+
+        test('populates innerHtml', () {
+          var script0 = doc.querySelectorAll('script')[0];
+          expect(script0.innerHtml.trim(), contents['site.js']);
+        });
+
+        test('heeds data-no-inline', () {
+          var script1 = doc.querySelectorAll('script')[1];
+          expect(script1.attributes, containsPair('src', 'not-inlined.js'));
+          expect(script1.attributes.keys, isNot(contains('data-no-inline')));
+        });
+
+        test('preserves other attributes', () {
+          var script0 = doc.querySelectorAll('script')[0];
+          var script1 = doc.querySelectorAll('script')[1];
+          expect(script0.attributes, containsPair('data-foo', 'bar'));
+          expect(script1.attributes, containsPair('type', 'text/javascript'));
+        });
+      });
+    });
+  };
+}
+
+var contents = <String, String>{
+  'index.html': '''<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport"
+          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <link rel="stylesheet" href="site.css">
+    <link data-foo="bar" rel="stylesheet" href="not-inlined.css" data-no-inline>
+    <script data-foo="bar" src="site.js"></script>
+    <script type="text/javascript" src="not-inlined.js" data-no-inline></script>
+    <title>Angel SEO</title>
+</head>
+<body>
+<h1>Angel SEO</h1>
+<p>Embrace the power of inlined styles, etc.</p>
+</body>
+</html>''',
+  'not-inlined.css': '''p {
+    font-style: italic;
+}''',
+  'not-inlined.js': '''window.addEventListener('load', function() {
+  console.log('THIS message was not from an inlined file.');
+});''',
+  'site.css': '''h1 {
+    color: pink;
+}''',
+  'site.js': '''window.addEventListener('load', function() {
+  console.log('Hello, inline world!');
+});'''
+};