1 files changed, 93 insertions, 0 deletions
diff --git a/tools/tryselect/test/test_tasks.py b/tools/tryselect/test/test_tasks.py
new file mode 100644
index 0000000000..cdf8cf84c1
--- /dev/null
+++ b/tools/tryselect/test/test_tasks.py
@@ -0,0 +1,93 @@
+# 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 tryselect.tasks import cache_key, filter_tasks_by_paths, resolve_tests_by_suite
+
+
+def test_filter_tasks_by_paths(patch_resolver):
+    tasks = ["foobar/xpcshell-1", "foobar/mochitest", "foobar/xpcshell"]
+
+    patch_resolver(["xpcshell"], {})
+    assert list(filter_tasks_by_paths(tasks, "dummy")) == []
+
+    patch_resolver([], [{"flavor": "xpcshell"}])
+    assert list(filter_tasks_by_paths(tasks, "dummy")) == [
+        "foobar/xpcshell-1",
+        "foobar/xpcshell",
+    ]
+
+
+@pytest.mark.parametrize(
+    "input, tests, expected",
+    (
+        pytest.param(
+            ["xpcshell.js"],
+            [{"flavor": "xpcshell", "srcdir_relpath": "xpcshell.js"}],
+            {"xpcshell": ["xpcshell.js"]},
+            id="single test",
+        ),
+        pytest.param(
+            ["xpcshell.ini"],
+            [
+                {
+                    "flavor": "xpcshell",
+                    "srcdir_relpath": "xpcshell.js",
+                    "manifest_relpath": "xpcshell.ini",
+                },
+            ],
+            {"xpcshell": ["xpcshell.ini"]},
+            id="single manifest",
+        ),
+        pytest.param(
+            ["xpcshell.js", "mochitest.js"],
+            [
+                {"flavor": "xpcshell", "srcdir_relpath": "xpcshell.js"},
+                {"flavor": "mochitest", "srcdir_relpath": "mochitest.js"},
+            ],
+            {
+                "xpcshell": ["xpcshell.js"],
+                "mochitest-plain": ["mochitest.js"],
+            },
+            id="two tests",
+        ),
+        pytest.param(
+            ["test/xpcshell.ini"],
+            [
+                {
+                    "flavor": "xpcshell",
+                    "srcdir_relpath": "test/xpcshell.js",
+                    "manifest_relpath": os.path.join("test", "xpcshell.ini"),
+                },
+            ],
+            {"xpcshell": ["test/xpcshell.ini"]},
+            id="mismatched path separators",
+        ),
+    ),
+)
+def test_resolve_tests_by_suite(patch_resolver, input, tests, expected):
+    patch_resolver([], tests)
+    assert resolve_tests_by_suite(input) == expected
+
+
+@pytest.mark.parametrize(
+    "attr,params,disable_target_task_filter,expected",
+    (
+        ("target_task_set", None, False, "target_task_set"),
+        ("target_task_set", {"project": "autoland"}, False, "target_task_set"),
+        ("target_task_set", {"project": "mozilla-central"}, False, "target_task_set"),
+        ("target_task_set", None, True, "target_task_set-uncommon"),
+        ("full_task_set", {"project": "pine"}, False, "full_task_set-pine"),
+        ("full_task_set", None, True, "full_task_set"),
+    ),
+)
+def test_cache_key(attr, params, disable_target_task_filter, expected):
+    assert cache_key(attr, params, disable_target_task_filter) == expected
+
+
+if __name__ == "__main__":
+    mozunit.main()