complete unit test coverage

README.md

@@ -8,7 +8,10 @@
 
 [MkDocs](https://www.mkdocs.org/) plugin to display git authors of a page. Only considers authors of the current lines in the page ('surviving code' using `git blame`).
 
-If you want to display authors' github user profiles, see [mkdocs-git-committers-plugin](https://github.com/byrnereese/mkdocs-git-committers-plugin).
+Other MkDocs plugins that use information from git:
+
+- [mkdocs-git-committers-plugin](https://github.com/byrnereese/mkdocs-git-committers-plugin) for displaying authors' github user profiles
+- [mkdocs-git-revision-date-localized-plugin](https://github.com/timvink/mkdocs-git-revision-date-localized-plugin) for displaying the last revision date
 
 ## Setup
 

mkdocs_git_authors_plugin/util.py

@@ -34,7 +34,7 @@ def get_authors(self, path: str, type: str = 'authors'):
 
             # Update existing author
             if authors.get(key):
-                authors[key]['lines'] += len(lines)
+                authors[key]['lines'] = authors[key]['lines'] + len(lines)
                 current_dt = authors.get(key,{}).get('last_datetime')
                 if commit.committed_datetime > current_dt:
                     authors[key]['last_datetime'] = commit.committed_datetime 

test/basic_setup/docs/page_without_tag.md

@@ -0,0 +1,3 @@
+# test page
+
+this page has no git authors tag

test/test_util.py

@@ -2,16 +2,36 @@
 import os
 from git import Actor, Repo
 
-def test_retrieve_authors(tmp_path):
+def test_empty_file(tmp_path):
 
+    # Create empty file
+    file_name = os.path.join(tmp_path, 'new-file')
+    open(file_name, 'a').close()
+
+    # Get authors of empty, uncommitted file
     r = Repo.init(tmp_path)
+    instance = util.Util(tmp_path)
+    authors = instance.get_authors(path = file_name)
+    assert authors == ""
 
-    # Create empty file
+    # Get authors of empty, committed file
+    r.index.add([file_name])
+    author = Actor('Tim', '[email protected]')
+    r.index.commit("initial commit", author = author)
+    authors = instance.get_authors(path = file_name)
+    assert authors == "" 
+
+def test_retrieve_authors(tmp_path):
+
+    tmp_path = "/Users/ue86yw/workspace/testrepo"
+
+    # Create file
     file_name = os.path.join(tmp_path, 'new-file')
     with open(file_name, 'w') as the_file:
         the_file.write('Hello\n')
-
-    # Commit
+
+    # Create git repo and commit file
+    r = Repo.init(tmp_path)
     r.index.add([file_name])
     author = Actor('Tim', '[email protected]')
     r.index.commit("initial commit", author = author)
@@ -27,6 +47,50 @@ def test_retrieve_authors(tmp_path):
                     'lines' : 1,
                     'contribution' : '100.0%'
                 }]
+
+    # Now add a line to the file 
+    # From a second author with same email
+    with open(file_name, 'a+') as the_file:
+        the_file.write('World\n')
+    r.index.add([file_name])
+    author = Actor('Tim2', '[email protected]')
+    r.index.commit("another commit", author = author) 
+
+    authors = instance.get_authors(path = file_name)
+    authors[0]['last_datetime'] = None 
+
+    assert authors == [{
+                    'name' : "Tim",
+                    'email' : "[email protected]",
+                    'last_datetime' : None,
+                    'lines' : 2,
+                    'contribution' : '100.0%'
+                }]
+
+    # Then a third commit from a new author
+    with open(file_name, 'a+') as the_file:
+        the_file.write('A new line\n')
+    r.index.add([file_name])
+    author = Actor('John', '[email protected]')
+    r.index.commit("third commit", author = author)  
+
+    authors = instance.get_authors(path = file_name)
+    authors[0]['last_datetime'] = None 
+    authors[1]['last_datetime'] = None 
+
+    assert authors == [{
+                    'name' : "John",
+                    'email' : "[email protected]",
+                    'last_datetime' : None,
+                    'lines' : 1,
+                    'contribution' : '33.33%'
+                },{
+                    'name' : "Tim",
+                    'email' : "[email protected]",
+                    'last_datetime' : None,
+                    'lines' : 2,
+                    'contribution' : '66.67%'
+                }] 
 
 def test_summarize_authors():