1 files changed, 82 insertions, 0 deletions
diff --git a/toolkit/components/nimbus/test/unit/test_NimbusTestUtils.js b/toolkit/components/nimbus/test/unit/test_NimbusTestUtils.js
new file mode 100644
index 0000000000..5b9aa301d0
--- /dev/null
+++ b/toolkit/components/nimbus/test/unit/test_NimbusTestUtils.js
@@ -0,0 +1,82 @@
+"use strict";
+
+const { ExperimentFakes, ExperimentTestUtils } = ChromeUtils.importESModule(
+  "resource://testing-common/NimbusTestUtils.sys.mjs"
+);
+
+add_task(async function test_recipe_fake_validates() {
+  const recipe = ExperimentFakes.recipe("foo");
+  Assert.ok(
+    await ExperimentTestUtils.validateExperiment(recipe),
+    "should produce a valid experiment recipe"
+  );
+});
+
+add_task(async function test_enrollmentHelper() {
+  let recipe = ExperimentFakes.recipe("bar", {
+    branches: [
+      {
+        slug: "control",
+        ratio: 1,
+        features: [{ featureId: "aboutwelcome", value: {} }],
+      },
+    ],
+  });
+  let manager = ExperimentFakes.manager();
+
+  Assert.deepEqual(
+    recipe.featureIds,
+    ["aboutwelcome"],
+    "Helper sets correct featureIds"
+  );
+
+  await manager.onStartup();
+
+  let { enrollmentPromise, doExperimentCleanup } =
+    ExperimentFakes.enrollmentHelper(recipe, { manager });
+
+  await enrollmentPromise;
+
+  Assert.ok(manager.store.getAllActiveExperiments().length === 1, "Enrolled");
+  Assert.equal(
+    manager.store.getAllActiveExperiments()[0].slug,
+    recipe.slug,
+    "Has expected slug"
+  );
+  Assert.ok(
+    Services.prefs.prefHasUserValue("nimbus.syncdatastore.aboutwelcome"),
+    "Sync pref cache set"
+  );
+
+  await doExperimentCleanup();
+
+  Assert.ok(manager.store.getAll().length === 0, "Cleanup done");
+  Assert.ok(
+    !Services.prefs.prefHasUserValue("nimbus.syncdatastore.aboutwelcome"),
+    "Sync pref cache is cleared"
+  );
+});
+
+add_task(async function test_enrollWithFeatureConfig() {
+  let manager = ExperimentFakes.manager();
+  await manager.onStartup();
+  let doExperimentCleanup = await ExperimentFakes.enrollWithFeatureConfig(
+    {
+      featureId: "enrollWithFeatureConfig",
+      value: { enabled: true },
+    },
+    { manager }
+  );
+
+  Assert.ok(
+    manager.store.hasExperimentForFeature("enrollWithFeatureConfig"),
+    "Enrolled successfully"
+  );
+
+  await doExperimentCleanup();
+
+  Assert.ok(
+    !manager.store.hasExperimentForFeature("enrollWithFeatureConfig"),
+    "Unenrolled successfully"
+  );
+});