1 files changed, 125 insertions, 0 deletions
diff --git a/taskcluster/test/conftest.py b/taskcluster/test/conftest.py
new file mode 100644
index 0000000000..9001958c6a
--- /dev/null
+++ b/taskcluster/test/conftest.py
@@ -0,0 +1,125 @@
+# Any copyright is dedicated to the public domain.
+# http://creativecommons.org/publicdomain/zero/1.0/
+
+import json
+import logging
+import os
+
+import pytest
+from gecko_taskgraph.util.bugbug import BUGBUG_BASE_URL
+from gecko_taskgraph.util.hg import PUSHLOG_PUSHES_TMPL
+from responses import RequestsMock
+from responses import logger as rsps_logger
+from taskgraph.generator import TaskGraphGenerator
+from taskgraph.parameters import parameters_loader
+
+here = os.path.abspath(os.path.dirname(__file__))
+
+
+@pytest.fixture(scope="session")
+def responses():
+    rsps_logger.setLevel(logging.WARNING)
+    with RequestsMock(assert_all_requests_are_fired=False) as rsps:
+        yield rsps
+
+
+@pytest.fixture(scope="session")
+def datadir():
+    return os.path.join(here, "data")
+
+
+@pytest.fixture(scope="session")
+def create_tgg(responses, datadir):
+    def inner(parameters=None, overrides=None):
+        params = parameters_loader(parameters, strict=False, overrides=overrides)
+        tgg = TaskGraphGenerator(None, params)
+
+        # Mock out certain requests as they may depend on a revision that does
+        # not exist on hg.mozilla.org.
+        mock_requests = {}
+
+        # bugbug /push/schedules
+        url = BUGBUG_BASE_URL + "/push/{project}/{head_rev}/schedules".format(
+            **tgg.parameters
+        )
+        mock_requests[url] = "bugbug-push-schedules.json"
+
+        # files changed
+        url = "{head_repository}/json-automationrelevance/{head_rev}".format(
+            **tgg.parameters
+        )
+        mock_requests[url] = "automationrelevance.json"
+
+        url = PUSHLOG_PUSHES_TMPL.format(
+            repository=tgg.parameters["head_repository"],
+            push_id_start=int(tgg.parameters["pushlog_id"]) - 2,
+            push_id_end=int(tgg.parameters["pushlog_id"]) - 1,
+        )
+        mock_requests[url] = "pushes.json"
+
+        for url, filename in mock_requests.items():
+            with open(os.path.join(datadir, filename)) as fh:
+                responses.add(
+                    responses.GET,
+                    url,
+                    json=json.load(fh),
+                    status=200,
+                )
+
+        # Still allow other real requests.
+        responses.add_passthru("https://hg.mozilla.org")
+        responses.add_passthru("https://firefox-ci-tc.services.mozilla.com")
+        return tgg
+
+    return inner
+
+
+@pytest.fixture(scope="module")
+def tgg(request, create_tgg):
+    if not hasattr(request.module, "PARAMS"):
+        pytest.fail("'tgg' fixture requires a module-level 'PARAMS' variable")
+
+    tgg = create_tgg(overrides=request.module.PARAMS)
+    return tgg
+
+
+@pytest.fixture(scope="module")
+def params(tgg):
+    return tgg.parameters
+
+
+@pytest.fixture(scope="module")
+def full_task_graph(tgg):
+    return tgg.full_task_graph
+
+
+@pytest.fixture(scope="module")
+def optimized_task_graph(full_task_graph, tgg):
+    return tgg.optimized_task_graph
+
+
+@pytest.fixture(scope="session")
+def filter_tasks():
+    def inner(graph, func):
+        return filter(func, graph.tasks.values())
+
+    return inner
+
+
+@pytest.fixture(scope="session")
+def print_dependents():
+    def inner(graph, label, indent=""):
+        if indent == "":
+            print(f"Dependent graph for {label}:")
+
+        dependents = set()
+        for task in graph.tasks.values():
+            if label in task.dependencies.values():
+                dependents.add(task.label)
+
+        print(f"{indent}{label}")
+        if dependents:
+            for dep in sorted(dependents):
+                inner(graph, dep, indent=indent + "  ")
+
+    return inner