1 files changed, 102 insertions, 0 deletions
diff --git a/python/mozperftest/mozperftest/tests/test_visualmetrics.py b/python/mozperftest/mozperftest/tests/test_visualmetrics.py
new file mode 100644
index 0000000000..a375ec236a
--- /dev/null
+++ b/python/mozperftest/mozperftest/tests/test_visualmetrics.py
@@ -0,0 +1,102 @@
+#!/usr/bin/env python
+import mozunit
+from unittest import mock
+import os
+import json
+import pytest
+
+from mozperftest.tests.support import (
+    get_running_env,
+    EXAMPLE_TEST,
+    temp_file,
+    BT_DATA_VIDEO,
+)
+from mozperftest.environment import METRICS
+
+VM_RES = {
+    "SpeedIndex": 1031,
+    "FirstVisualChange": 533,
+    "LastVisualChange": 3166,
+    "VisualProgress": (
+        "0=0, 533=63, 700=63, 733=63, 900=63, 933=63, 1233=54,"
+        "1333=54, 1366=56, 1500=56, 1633=96, 1800=96, 1933=96,"
+        "2133=96, 2200=96, 2366=96, 2533=96, 2566=96, 2600=96,"
+        "2733=96, 2833=96, 2933=96, 3000=96, 3133=96,3166=100"
+    ),
+    "videoRecordingStart": 0,
+}
+
+
+def get_res(*args, **kw):
+    return json.dumps(VM_RES)
+
+
+def mocked_executable():
+    return ("ok", "ok")
+
+
+@mock.patch("mozperftest.test.browsertime.runner.install_package")
+@mock.patch(
+    "mozperftest.test.noderunner.NodeRunner.verify_node_install", new=lambda x: True
+)
+@mock.patch(
+    "mozperftest.test.browsertime.runner.BrowsertimeRunner._setup_node_packages",
+    new=lambda x, y: None,
+)
+@mock.patch("mozperftest.metrics.visualmetrics.which", new=lambda path: "ok")
+@mock.patch("mozbuild.nodeutil.find_node_executable", new=mocked_executable)
+@mock.patch("subprocess.check_output", new=get_res)
+def test_visual_metrics(device):
+    os.environ["VISUALMETRICS_PY"] = ""
+    mach_cmd, metadata, env = get_running_env(
+        visualmetrics=True,
+        perfherder=True,
+        verbose=True,
+        tests=[EXAMPLE_TEST],
+    )
+    metrics = env.layers[METRICS]
+
+    metadata.add_result({"results": str(BT_DATA_VIDEO.parent), "name": "browsertime"})
+
+    with temp_file() as output:
+        env.set_arg("output", output)
+        with metrics as m:
+            metadata = m(metadata)
+
+        output_file = metadata.get_output()
+        with open(output_file) as f:
+            output = json.loads(f.read())
+
+    # Check some metadata
+    assert output["application"]["name"] == "firefox"
+    visual_metrics = [i["name"] for i in output["suites"][1]["subtests"]]
+    assert "VisualProgress96" in visual_metrics
+
+
+@mock.patch("mozperftest.test.browsertime.runner.install_package")
+@mock.patch(
+    "mozperftest.test.noderunner.NodeRunner.verify_node_install", new=lambda x: True
+)
+@mock.patch(
+    "mozperftest.test.browsertime.runner.BrowsertimeRunner._setup_node_packages",
+    new=lambda x, y: None,
+)
+@mock.patch("mozperftest.metrics.visualmetrics.which", new=lambda path: None)
+def test_visual_metrics_no_ffmpeg(device):
+    os.environ["VISUALMETRICS_PY"] = ""
+    mach_cmd, metadata, env = get_running_env(
+        visualmetrics=True,
+        perfherder=True,
+        verbose=True,
+        tests=[EXAMPLE_TEST],
+    )
+    metrics = env.layers[METRICS]
+    metadata.add_result({"results": str(BT_DATA_VIDEO.parent), "name": "browsertime"})
+
+    with pytest.raises(FileNotFoundError):
+        with metrics as m:
+            metadata = m(metadata)
+
+
+if __name__ == "__main__":
+    mozunit.main()