1 files changed, 73 insertions, 0 deletions
diff --git a/tools/tryselect/test/test_again.py b/tools/tryselect/test/test_again.py
new file mode 100644
index 0000000000..0e5d9d6b6d
--- /dev/null
+++ b/tools/tryselect/test/test_again.py
@@ -0,0 +1,73 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+import mozunit
+import pytest
+from six.moves import reload_module as reload
+from tryselect import push
+from tryselect.selectors import again
+
+
+@pytest.fixture(autouse=True)
+def patch_history_path(tmpdir, monkeypatch):
+    monkeypatch.setattr(push, "history_path", tmpdir.join("history.json").strpath)
+    reload(again)
+
+
+def test_try_again(monkeypatch):
+    push.push_to_try(
+        "fuzzy",
+        "Fuzzy message",
+        try_task_config=push.generate_try_task_config(
+            "fuzzy",
+            ["foo", "bar"],
+            {"use-artifact-builds": True},
+        ),
+    )
+
+    assert os.path.isfile(push.history_path)
+    with open(push.history_path, "r") as fh:
+        assert len(fh.readlines()) == 1
+
+    def fake_push_to_try(*args, **kwargs):
+        return args, kwargs
+
+    monkeypatch.setattr(push, "push_to_try", fake_push_to_try)
+    reload(again)
+
+    args, kwargs = again.run()
+
+    assert args[0] == "again"
+    assert args[1] == "Fuzzy message"
+
+    try_task_config = kwargs.pop("try_task_config")
+    assert sorted(try_task_config.get("tasks")) == sorted(["foo", "bar"])
+    assert try_task_config.get("env") == {"TRY_SELECTOR": "fuzzy"}
+    assert try_task_config.get("use-artifact-builds")
+
+    with open(push.history_path, "r") as fh:
+        assert len(fh.readlines()) == 1
+
+
+def test_no_push_does_not_generate_history(tmpdir):
+    assert not os.path.isfile(push.history_path)
+
+    push.push_to_try(
+        "fuzzy",
+        "Fuzzy",
+        try_task_config=push.generate_try_task_config(
+            "fuzzy",
+            ["foo", "bar"],
+            {"use-artifact-builds": True},
+        ),
+        dry_run=True,
+    )
+    assert not os.path.isfile(push.history_path)
+    assert again.run() == 1
+
+
+if __name__ == "__main__":
+    mozunit.main()