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hypenv/lib/python3.11/site-packages/tests/integration/app.py

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+from flask import Flask
+
+from .ext import nav
+from .views import bp
+
+
+def create_app():
+    app = Flask(__name__)
+    app.config.from_object(Config)
+    nav.init_app(app)
+    app.register_blueprint(bp)
+    return app
+
+
+class Config(object):
+    DEBUG = True
+    NEWS_SPECIAL_PAGE = 42

hypenv/lib/python3.11/site-packages/tests/integration/ext.py

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+from flask.ext.navigation import Navigation
+
+
+nav = Navigation()

hypenv/lib/python3.11/site-packages/tests/integration/test_app.py

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+from pytest import fixture
+from webtest import TestApp
+
+from .app import create_app
+
+
+@fixture
+def app():
+    app = create_app()
+    return TestApp(app)
+
+
+def test_app(app):
+    r = app.get('/')
+    assert r.status == '200 OK'
+    assert 'Welcome' in r
+    assert_navbar_exists(r)
+    assert_active(r, 'Home')
+
+    r = r.click('Latest News')
+    assert r.status == '200 OK'
+    assert 'News :: Page - 1' in r
+    assert_navbar_exists(r)
+    assert_active(r, 'Latest News')
+
+    r = r.click('Special News')
+    assert r.status == '200 OK'
+    assert 'News :: Page - 42' in r
+    assert_navbar_exists(r)
+    assert_active(r, 'Special News')
+
+    r = r.click('Home')
+    assert r.status == '200 OK'
+    assert 'Welcome' in r
+    assert_navbar_exists(r)
+    assert_active(r, 'Home')
+
+
+def test_alias(app):
+    r = app.get('/news/1024')
+    assert r.status == '200 OK'
+    assert 'News :: Page - 1024' in r
+    assert_navbar_exists(r)
+    assert_active(r, '')
+
+    r = r.click('Back')
+    assert r.status == '200 OK'
+    assert 'Welcome' in r
+    assert_navbar_exists(r)
+    assert_active(r, 'Home')
+
+
+def assert_navbar_exists(r):
+    assert 'Home' in r
+    assert 'Latest News' in r
+    assert 'Special News' in r
+
+
+def assert_active(r, text):
+    assert r.pyquery('li.active > a').text().strip() == text

hypenv/lib/python3.11/site-packages/tests/integration/views.py

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+from flask import Blueprint, current_app, render_template
+
+from .ext import nav
+
+
+bp = Blueprint('main', __name__)
+
+navbar_top = nav.Bar('top', [
+    nav.Item('Home', 'main.index'),
+    nav.Item('Latest News', 'main.news', {'page': 1}),
+], alias={'index': nav.ItemReference('main.index')})
+
+
+@navbar_top.initializer
+def initialize_navbar_top(nav):
+    top = nav['top']
+    if len(top.items) > 2:
+        return
+    args = {'page': current_app.config['NEWS_SPECIAL_PAGE']}
+    item = nav.Item('Special News', 'main.news', args)
+    top.items.append(item)
+
+
+@bp.route('/')
+def index():
+    return render_template('index.html')
+
+
+@bp.route('/news/<int:page>')
+def news(page):
+    return render_template('news.html', page=page)