Add `wiki_page_path` function.

* gd_diff.py (wiki_page_path): New function.
(write_wiki_page): Update function; use `wiki_page_path` function.
* tests/test_gd_diff.py (TestGdDiff.test_wiki_page_path): Test for
  `wiki_page_path`.
(test_write_wiki_page): Update test.

2 files changed, 18 insertions, 3 deletions

diff --git a/gd_diff.py b/gd_diff.py
index b8e968a..19b71a5 100644
--- a/gd_diff.py
+++ b/gd_diff.py
@@ -212,6 +212,14 @@ def wiki_page_dir(release):
     return wd_release
 
 
+def wiki_page_path(release):
+    """Returns the path to file that contains wiki page for `release`.
+
+    """
+    wd_release = wiki_page_dir(release)
+    return os.path.join(wd_release, 'wiki.page')
+
+
 def configured_p():
     """Returns True if gns-deb-diff is configured; False otherwise.
     """
@@ -398,8 +406,7 @@ def write_wiki_page(release, content):
     """Write wiki page `content` to `release`' last.rev file.
 
     """
-    wd_release = wiki_page_dir(release)
-    wp_file = os.path.join(wd_release, 'last.rev')
+    wp_file = wiki_page_path(release)
     write_file(wp_file, content)
 
 
diff --git a/tests/test_gd_diff.py b/tests/test_gd_diff.py
index 86b6659..22f8a48 100644
--- a/tests/test_gd_diff.py
+++ b/tests/test_gd_diff.py
@@ -179,11 +179,19 @@ class TestGdDiff(object):
             assert_equal(os.path.isdir(wd_parkes), True)
 
 
+    def test_wiki_page_path(self):
+        with mock.patch('os.getenv', new=self.env_func):
+            assert_equal(wiki_page_path('parkes'),
+                         path.join(os.getenv('HOME'), '.config',
+                                             'gns-deb-diff', 'wiki-page',
+                                             'parkes', 'wiki.page'))
+
+
     def test_write_wiki_page(self):
         with mock.patch('os.getenv', new=self.env_func):
             release = 'parkes'
             write_wiki_page(release, 'wiki content')
-            wp_file = os.path.join(wiki_page_dir(release), 'last.rev')
+            wp_file = os.path.join(wiki_page_dir(release), 'wiki.page')
             assert_equal(read_file(wp_file), 'wiki content')