Handle build timeout comments

Homu creates a message when a try or build timeout occurs. Handle this
to keep the state properly updated.

Author: bryanburgers

homu/pull_req_state.py

@@ -880,6 +880,12 @@ def process_homu_state(self, event, command):
             self.status = 'failure'
             self.try_state = BuildState.FAILURE
 
+        elif state['type'] == 'TimedOut':
+            result.changed = True
+            self.status = 'failure'
+            # TODO: Do we need to determine if a try or a build failed?
+            self.try_state = BuildState.FAILURE
+
         return result
 
     @property

homu/tests/test_process_event.py

@@ -392,6 +392,51 @@ def test_try_failed(_):
     assert state.try_state == BuildState.FAILURE
 
 
+@unittest.mock.patch('homu.pull_req_state.assert_authorized',
+                     side_effect=return_true)
+def test_try_timed_out(_):
+    """
+    Test that a pull request that has been tried shows up as tried
+    """
+
+    state = new_state()
+    result = state.process_event(create_event({
+        'eventType': 'IssueComment',
+        'author': {
+            'login': 'bors',
+        },
+        'body': '''
+            :hourglass: Trying commit 065151f8b2c31d9e4ddd34aaf8d3263a997f5cfe with merge 330c85d9270b32d7703ebefc337eb37ae959f741...
+            <!-- homu: {"type":"TryBuildStarted","head_sha":"065151f8b2c31d9e4ddd34aaf8d3263a997f5cfe","merge_sha":"330c85d9270b32d7703ebefc337eb37ae959f741"} -->
+        ''', # noqa
+        'publishedAt': '1985-04-21T00:00:00Z',
+    }))
+
+    assert result.changed is True
+    assert state.try_ is True
+    assert state.get_status() == 'pending'
+    assert state.build_state == BuildState.NONE
+    assert state.try_state == BuildState.PENDING
+
+    result = state.process_event(create_event({
+        'eventType': 'IssueComment',
+        'author': {
+            'login': 'bors',
+        },
+        'body': '''
+            :boom: Test timed out
+            <!-- homu: {"type":"TimedOut"} -->
+        ''', # noqa
+        'publishedAt': '1985-04-21T00:01:00Z',
+    }))
+
+    assert result.changed is True
+    assert state.try_ is True
+    assert state.get_status() == 'failure'
+    assert state.build_state == BuildState.NONE
+    assert state.try_state == BuildState.FAILURE
+
+
 @unittest.mock.patch('homu.pull_req_state.assert_authorized',
                      side_effect=return_true)
 def test_try_reset_by_push(_):