Remove remote for re-creating it if url has changed

We're adding the possibility to remove the remote.
This, with the addition of names_url_dict, makes the posibility
of checking the remote url, and if it's updated, then remove it
for re-creating.

Author: evallesp

git_wrapper/remote.py

@@ -24,6 +24,14 @@ def names(self):
         """
         return [x.name for x in self.git_repo.repo.remotes]
 
+    def names_url_dict(self):
+        """Returns a dict of remotes for a given repo with its url
+
+            :return dict: A dict of utf-8 encoded remote names with
+                          url as its value
+        """
+        return {x.name: x.url for x in self.git_repo.repo.remotes}
+
     def add(self, name, url):
         """Adds a remote to the given repo
 
@@ -111,3 +119,28 @@ def fetch_all(self, prune=False, prune_tags=False):
         if errors:
             msg = f"Error fetching these remotes: {', '.join(errors)}"
             raise exceptions.RemoteException(msg)
+
+    def remove(self, name):
+        """Remove the specified remote to the given repo
+
+           :param str name: Remote name to remove
+           :return bool: True if the remote was removed, False otherwise
+        """
+        working_dir = self.git_repo.repo.working_dir
+        self.logger.debug(f"Removing remote {name} to repo {working_dir}")
+        ret_status = False
+
+        try:
+            remote = self.git_repo.repo.remote(name)
+        except ValueError:
+            repo = self.git_repo.repo.working_dir
+            msg = f"Remote {name} does not exist on repo {repo}"
+            raise exceptions.ReferenceNotFoundException(msg)
+
+        try:
+            self.git_repo.repo.delete_remote(remote)
+            ret_status = True
+        except git.CommandError:
+            return ret_status
+
+        return ret_status

tests/test_remote.py

@@ -21,6 +21,17 @@ def remote_generator(names):
     return ret_data
 
 
+def remote_generator_url(remotes):
+    """Generates objects to be used with git.Repo.remotes call"""
+    ret_data = []
+    for name, url in remotes.items():
+        obj = type('', (), {})()
+        obj.name = name
+        obj.url = url
+        ret_data.append(obj)
+    return ret_data
+
+
 def test_get_remotes_returns_list(mock_repo):
     """
     GIVEN GitRepo is initialized with a path and repo
@@ -36,6 +47,21 @@ def test_get_remotes_returns_list(mock_repo):
     assert expected == git_util.remote.names()
 
 
+def test_get_remotes_returns_dict(mock_repo):
+    """
+    GIVEN GitRepo is initialized with a path and repo
+    WHEN remote.names_url_dict is called
+    THEN a dict of remote names with its url is returned
+    """
+    expected = {'a': 1, 'b': 2, 'c': 3}
+    attrs = {'remotes': remote_generator_url(expected)}
+    mock_repo.configure_mock(**attrs)
+
+    git_util = GitRepo('./', mock_repo)
+
+    assert expected == git_util.remote.names_url_dict()
+
+
 def test_add_remote_adds(mock_repo):
     """
     GIVEN GitRepo initialized with a path and repo
@@ -89,6 +115,47 @@ def test_add_remote_update_fails(mock_repo):
     delete_mock.assert_called_once_with(remote_mock)
 
 
+def test_remove_remote_removes(mock_repo):
+    """
+    GIVEN GitRepo initialized with a path and repo
+    WHEN remote.add is called with a name and url
+    THEN a TRUE status is returned
+    WITH update called
+    """
+    git_util = GitRepo('./', mock_repo)
+
+    assert git_util.remote.remove('origin') is True
+
+
+def test_remove_remote_remote_fails(mock_repo):
+    """
+    GIVEN GitRepo initialized with a path and repo
+    WHEN remote.add is called with a name and url
+    AND the remote create fails with an exception
+    THEN a False status is returned
+    """
+    mock_repo.remote.side_effect = ValueError
+
+    repo = GitRepo(repo=mock_repo)
+    with pytest.raises(exceptions.ReferenceNotFoundException):
+        repo.remote.remove("doesntExist")
+
+    mock_repo.remote.assert_called_with("doesntExist")
+
+
+def test_remove_remote_remove_fails(mock_repo):
+    """
+    GIVEN GitRepo initialized with a path and repo
+    WHEN remote.add is called with a name and url
+    AND the remote create fails with an exception
+    THEN a False status is returned
+    """
+    mock_repo.delete_remote.side_effect = git.CommandError('remove')
+    git_util = GitRepo('./', mock_repo)
+
+    assert git_util.remote.remove('rdo') is False
+
+
 def test_fetch(mock_repo):
     """
     GIVEN GitRepo is initialized with a path and repo