treat symlinks as redirects

closes #7

tests/functional_tests.py

@@ -108,6 +108,21 @@ def test_that_page_request_redirects_to_directory(client):
     """
     response = client.get('/subdir')
     assert response.status_code == 301
+    assert response.location == 'http://localhost/subdir/'
+
+
+def test_that_request_to_symlink_redirects_markdown(client):
+    """Test that a request to /foo redirects to /what-foo-points-at."""
+    response = client.get('/symlink-to-no-title')
+    assert response.status_code == 301
+    assert response.location == 'http://localhost/no-title'
+
+
+def test_that_request_to_symlink_redirects_file(client):
+    """Test that a request to /foo.txt redirects to /what-foo-points-at.txt."""
+    response = client.get('/symlink-to-foo.txt')
+    assert response.status_code == 301
+    assert response.location == 'http://localhost/foo.txt'
 
 
 def test_that_dir_request_does_not_redirect(client):

tests/instance/pages/symlink-to-foo.txt

@@ -0,0 +1 @@
+foo.txt

tests/instance/pages/symlink-to-no-title.md

@@ -0,0 +1 @@
+no-title.md

tests/test_pages.py

@@ -132,6 +132,20 @@ def test_request_path_to_instance_resource_path_actual_file(app):
                 ('pages/bss-square-no-bg.png', 'file'))
 
 
+def test_request_path_to_instance_resource_path_markdown_symlink(app):
+    """Test that a request for e.g. '/foo' when foo.md is a symlink to another .md file redirects."""
+    with app.test_request_context():
+        assert (request_path_to_instance_resource_path('symlink-to-no-title') ==
+                ('pages/no-title.md', 'symlink'))
+
+
+def test_request_path_to_instance_resource_path_file_symlink(app):
+    """Test that a request for e.g. '/foo' when foo.txt is a symlink to another .txt file redirects."""
+    with app.test_request_context():
+        assert (request_path_to_instance_resource_path('symlink-to-foo.txt') ==
+                ('pages/foo.txt', '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():