add tests for config, fix failing test on Site

tests/unit/test_site.py

@@ -3,21 +3,6 @@ import pytest
 from omicron.ssg.output import ContentError, Directory, OutputError
 from omicron.ssg.site import ConfigError, Site
 
-# @pytest.mark.parametrize(
-#    "value, expected_origin, expected_path",
-#    [
-#        (None, "", Path("/")),
-#        ("http://example.com/blog", "http://example.com", Path("/blog")),
-#        ("http://example.com", "http://example.com", Path("/")),
-#        ("//example.com/blog", "//example.com", Path("/blog")),
-#        ("/blog", "", Path("/blog")),
-#    ],
-# )
-# def test_parse_base_url(value, expected_origin, expected_path):
-#    origin, path = Site.parse_base_url(value)
-#    assert origin == expected_origin
-#    assert path == expected_path
-
 
 def test_discover_raises_on_duplicate_destination(make_site):
     site = make_site("duplicate_slug")
@@ -58,13 +43,12 @@ def test_read_config_errors(site_dir):
         Site(path)
 
 
-def test_build_raises_for_relative_base_url(site_dir):
+def test_site_relative_base_url(site_dir):
     path = site_dir("thin_site")
     (path / "config.yml").write_text("name: test\ntemplate: plain\nbase_url: blog\n")
 
-    site = Site(path)
-    with pytest.raises(ConfigError, match="absolute path"):
-        site.build()
+    with pytest.raises(ConfigError, match="relative path"):
+        site = Site(path)
 
 
 def test_discover_skips_drafts_by_default(make_site):