def test_previewing_page_with_format_works():
    """Test that pages can be previewed properly"""
    app = create_ctfd()
    with app.app_context():
        client = login_as_user(app, name="admin", password="password")

        with client.session_transaction() as sess:
            data = {
                "title": "title",
                "route": "route",
                "content": "# content_testing",
                "format": "markdown",
                "nonce": sess.get("nonce"),
                "draft": "y",
                "hidden": "y",
                "auth_required": "y",
            }

        r = client.post("/admin/pages/preview", data=data)
        assert r.status_code == 200
        resp = r.get_data(as_text=True)
        assert "<h1>content_testing</h1>" in resp

        with client.session_transaction() as sess:
            data = {
                "title": "title",
                "route": "route",
                "content": "<h1>content_testing</h1>",
                "format": "html",
                "nonce": sess.get("nonce"),
                "draft": "y",
                "hidden": "y",
                "auth_required": "y",
            }

        r = client.post("/admin/pages/preview", data=data)
        assert r.status_code == 200
        resp = r.get_data(as_text=True)
        assert "<h1>content_testing</h1>" in resp

    destroy_ctfd(app)
Test that pages can be previewed properly
tests/admin/test_pages.py