1 files changed, 81 insertions, 0 deletions
diff --git a/python/mozversioncontrol/test/test_push_to_try.py b/python/mozversioncontrol/test/test_push_to_try.py
new file mode 100644
index 0000000000..d0a0b2d993
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+++ b/python/mozversioncontrol/test/test_push_to_try.py
@@ -0,0 +1,81 @@
+# 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 subprocess
+
+import mozunit
+import pytest
+
+from mozversioncontrol import MissingVCSExtension, get_repository_object
+
+
+def test_push_to_try(repo, monkeypatch):
+    commit_message = "commit message"
+    vcs = get_repository_object(repo.dir)
+
+    captured_commands = []
+
+    def fake_run(*args, **kwargs):
+        captured_commands.append(args[0])
+
+    monkeypatch.setattr(subprocess, "check_output", fake_run)
+    monkeypatch.setattr(subprocess, "check_call", fake_run)
+
+    vcs.push_to_try(commit_message)
+    tool = vcs._tool
+
+    if repo.vcs == "hg":
+        expected = [
+            (str(tool), "push-to-try", "-m", commit_message),
+            (str(tool), "revert", "-a"),
+        ]
+    else:
+        expected = [
+            (str(tool), "cinnabar", "--version"),
+            (
+                str(tool),
+                "-c",
+                "commit.gpgSign=false",
+                "commit",
+                "--allow-empty",
+                "-m",
+                commit_message,
+            ),
+            (
+                str(tool),
+                "push",
+                "hg::ssh://hg.mozilla.org/try",
+                "+HEAD:refs/heads/branches/default/tip",
+            ),
+            (str(tool), "reset", "HEAD~"),
+        ]
+
+    for i, value in enumerate(captured_commands):
+        assert value == expected[i]
+
+    assert len(captured_commands) == len(expected)
+
+
+def test_push_to_try_missing_extensions(repo, monkeypatch):
+    if repo.vcs != "git":
+        return
+
+    vcs = get_repository_object(repo.dir)
+
+    orig = vcs._run
+
+    def cinnabar_raises(*args, **kwargs):
+        # Simulate not having git cinnabar
+        if args[0] == "cinnabar":
+            raise subprocess.CalledProcessError(1, args)
+        return orig(*args, **kwargs)
+
+    monkeypatch.setattr(vcs, "_run", cinnabar_raises)
+
+    with pytest.raises(MissingVCSExtension):
+        vcs.push_to_try("commit message")
+
+
+if __name__ == "__main__":
+    mozunit.main()