1 files changed, 60 insertions, 0 deletions
diff --git a/tests/integration/test_relative_links.py b/tests/integration/test_relative_links.py
new file mode 100644
index 0000000..3b158cf
--- /dev/null
+++ b/tests/integration/test_relative_links.py
@@ -0,0 +1,60 @@
+"""Check that SITE_URL with a path doesn't break links."""
+
+import io
+import os
+
+import lxml
+import pytest
+
+from nikola import __main__
+
+from .helper import cd, patch_config
+from .test_demo_build import prepare_demo_site
+from .test_empty_build import (  # NOQA
+    test_archive_exists,
+    test_avoid_double_slash_in_rss,
+    test_check_files,
+    test_check_links,
+)
+
+
+def test_relative_links(build, output_dir):
+    """Check that the links in output/index.html are correct"""
+    test_path = os.path.join(output_dir, "index.html")
+
+    with io.open(test_path, "rb") as inf:
+        data = inf.read()
+
+    assert not any(
+        url.startswith("..")
+        for _, _, url, _ in lxml.html.iterlinks(data)
+        if url.endswith("css")
+    )
+
+
+def test_index_in_sitemap(build, output_dir):
+    """Test that the correct path is in sitemap, and not the wrong one."""
+    sitemap_path = os.path.join(output_dir, "sitemap.xml")
+    with io.open(sitemap_path, "r", encoding="utf8") as inf:
+        sitemap_data = inf.read()
+
+    assert "<loc>https://example.com/</loc>" not in sitemap_data
+    assert "<loc>https://example.com/foo/bar/</loc>" in sitemap_data
+
+
+@pytest.fixture(scope="module")
+def build(target_dir):
+    """Fill the site with demo content and build it."""
+    prepare_demo_site(target_dir)
+
+    # Set the SITE_URL to have a path with subfolder
+    patch_config(
+        target_dir,
+        (
+            'SITE_URL = "https://example.com/"',
+            'SITE_URL = "https://example.com/foo/bar/"',
+        ),
+    )
+
+    with cd(target_dir):
+        __main__.main(["build"])