add tests for subdir symlinks

this is automagically supported by the previous rewrite

tests/functional_tests.py

@@ -139,6 +139,15 @@ def test_that_request_to_symlink_redirects_directory(client):
     assert response.status_code == 200
 
 
+def test_that_request_to_symlink_redirects_subdirectory(client):
+    """Test that a request to /foo/bar redirects to /what-foo-points-at/bar."""
+    response = client.get('/symlink-to-subdir/page-no-title')
+    assert response.status_code == 301
+    assert response.location == 'http://localhost/subdir/page-no-title'
+    response = client.get('/subdir/page-no-title')
+    assert response.status_code == 200
+
+
 def test_that_dir_request_does_not_redirect(client):
     """Test that a request to /foo/ serves the index page, if foo is a directory."""
     response = client.get('/subdir/')

tests/test_pages.py

@@ -153,6 +153,13 @@ def test_request_path_to_instance_resource_path_dir_symlink(app):
                 ('pages/subdir', 'symlink'))
 
 
+def test_request_path_to_instance_resource_path_subdir_symlink(app):
+    """Test that a request for e.g. '/foo/baz' when /foo is a symlink to /bar redirects."""
+    with app.test_request_context():
+        assert (request_path_to_instance_resource_path('symlink-to-subdir/page-no-title') ==
+                ('pages/subdir/page-no-title.md', 'symlink'))
+
+
 def test_request_path_to_instance_resource_path_nonexistant_file_errors(app):
     """Test that a request for something not on disk errors."""
     with app.test_request_context():