1 files changed, 32 insertions, 0 deletions
diff --git a/test/util/debug-test.ts b/test/util/debug-test.ts
new file mode 100644
index 0000000..08236dd
--- /dev/null
+++ b/test/util/debug-test.ts
@@ -0,0 +1,32 @@
+import { test, describe, afterEach } from "node:test";
+import assert from "node:assert/strict";
+import { debugClicksEnabled, setDebugClicks } from "../../src/util/debug";
+
+describe("debug click overlay switch", () => {
+  afterEach(() => {
+    setDebugClicks(false);
+  });
+
+  test("off when neither the flag nor the env var is set", () => {
+    assert.equal(debugClicksEnabled({}), false);
+  });
+
+  test("the --browser-debug-clicks flag turns it on", () => {
+    setDebugClicks(true);
+    assert.equal(debugClicksEnabled({}), true);
+  });
+
+  test("BH_DEBUG_CLICKS still turns it on without the flag", () => {
+    assert.equal(debugClicksEnabled({ BH_DEBUG_CLICKS: "1" }), true);
+  });
+
+  test("an empty BH_DEBUG_CLICKS does not turn it on", () => {
+    assert.equal(debugClicksEnabled({ BH_DEBUG_CLICKS: "" }), false);
+  });
+
+  test("the flag can be turned back off", () => {
+    setDebugClicks(true);
+    setDebugClicks(false);
+    assert.equal(debugClicksEnabled({}), false);
+  });
+});